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SP 2000-042 La Quinta Arts FoundationJUL 2g 2aM A Qu[n TA.A. FOUNDATION LAQUINTAARTS FOUNDATION SPECIFIC FLAN PREPARED BY: MVftrner engineering CIV4 ENGINEEFUN43 / PLANNING / LAND SL4WEYINQ 73-185 Highway 111, Suite "A" l Palm Desert, California 92260 (760) 341-3101 l_ 1. Approved by the City Council on June 20, 2000 a PREPARED FOR: Q La Quinta Arts Foundation Post Office Box 777 E 0 La Quinta, California 92253 > ?,E N z a i (Warner Engineering Project No. C8282MS2) ` a 0 U a � XC 3: (Warner w VLZ9 February 1, 2000 Jerry Herman L A Q U I N TA Director of Community Development City of La Quinta P. 0. Box 1504 FOUNDATION La Quinta, CA 92253-1504 Subject: La Quinta Arts Foundation Specific Plan; NWC Avenue 48/Washington St. (APN 643-090-024), La Quinta Arts Foundation, Applicant (Warner Engineering File No. C8282MS2) Dear Mr. Herman: We are pleased to submit the Specific Plan and Conditional Use Permit Application for La Quinta Arts Foundation's proposed arts education facility. LOAF conducted extensive research and compiled information from several community forums, numerous meetings and correspondence with neighbors, needs assessments surveys, many commissioned studies, input and invaluable assistance from City of La Quinta Staff. With the support of all of this work and research LOAF reached the conclusion that 1.) a need exists, and 2.) there is wide- spread community support for the facility LOAF proposes. The Specific Plan is the culmination of over two year effort to conceptualize a project that will be a valuable resource for education and cultural enrichment for the citizens of the Coachella Valley and beyond, and in turn promote and benefit the City of La Quinta. A great deal of effort was expended to plan a facility with reverence for the surrounding landscape, neighboring community developments and the City's general plan. We look forward to seeing our vision become reality with the City's assistance and guidance, and we thank you in advance for your effort in this regard. Sincerely, LA QUINTA ARTS FOUNDATION Susan Francis Executive Director Cc: The Honorable John Pena, Mayor Council Members, City of La Quinta Tom Genovese, City Manager Mike Smith, Warner Engineering W v Kay Wkoirectors Presiden Board POST OFFICE BOX 777 LA QUI NTA, CA 92253 760 564 1244 FAX 760 564 6884 La Quinta Arts Foundation Specific Plan CITY OF LA QUINTA City of La Quinta, P.O. Box 1504, La Quinta, CA 92253-1504 City Council John Pefia, Mayor Stanley Sniff, Mayor Pro Tem Terry Henderson, Council Member Don Adolph, Council Member Ron Perkins, Council Member Planning Commission Tom Kirk, Chairperson Steve Robbins, Vice Chairperson Jacques Abels, Commissioner Richard Butler, Commissioner Robert Tyler, Commissioner City Staff Tom Genovese, City Manager Mark Weiss, Assistant City Manager Jerry Herman, Director of Community Development Christine di lorio, Planning Manager PROJECT TECHNICAL TEAM La Quinta Chamber of Commerce - 51-351 Avenida Bermudas - La Quinta, CA 92253 Riverside County Health Department - 46209 Oasis, Room 209 - Indio, CA 92201 Riverside County Fire Department - 82-675 Highway III, #209 - Indio, CA 92201 Earth Systems Consultants - 79811 Country Club Drive - Indio, CA 92201 ASM Affiliates, Inc. - 543 Encinitas Blvd, Suite 114 - Encinitas, CA 92024 Douglas Eilar & Associates - 321 N. Willowspring Drive - Encinitas, CA 92024 James W. Cornett, Ecological Consultants - P.O. Box 846 - Palm Springs, CA 92263 Korve Engineering, Inc. - 78-120 Calle Estado, Suite 201 - La Quinta, CA 92253 June 20, 2000 1Naxi�r V engirxenng La Quinta Arts Foundation Specific Plan TABLE OF CONTENTS Section Pale TABLE OF CONTENTS i LIST OF APPENDICES iv LIST OF TABLES v LIST OF EXHIBITS i 1.0 INTRODUCTION/SUMMARY 1 1.1 Introduction 1 1.2 Executive Summa ..... 1.2.1 Current General Plan and Zoning Designations .........................1 1.2.2 Uses Permitted with Specific Plan Adoption...............................1 Uses Permitted with approval of a Minor Use Permit .... 2 Uses Permitted with a Conditional Use Permit ---------------- 2 Uses Requiring a Site Development Permit ............ ......2 1.2.2.1 Proposed Specific Plan Deviations from Zoning Code Standards ----------------------------3 1.2.2.2 Procedures for Specific Plan Adoption .....................3 1.2.2.3 Site Development Permit ("SDP") Process _------------- 4 1.2.2.4 Conditional Use Permit and Minor Use Permit -- 4 1.2.3 Project History ................................... ...................--- 1.2.4 The Project...........................................................................................7 1.2.5 Summary of Preparation Process .............. ................ .................8 1.2.6 The Process 1.2.6.1 Consistency with General Plan...... . ......................9 Element 9 - Land Use 9 Element 2 - Circulation 10 Element 3 - Open Space ------------------------------------------------------11 Element 4 - Park and Recreation 12 Element 5 - Environmental Conservation 12 Element 6 - Infrastructure and Public Services 13 Element 7 - Environmental Hazards .................................. 14 Element 8 - Air Qualit......................................................... Element 9 - Housing .......................... -14 1.2.6.2 Relationship with Zoning and Development..............16 1.2.6.3 Relationship to Other Agencies....................................19 2.0 DEVELOPMENT PLAN .......................................... ............... ................ 20 2.1 Project Description ............. ........... ....................................... ......................-.,. 20 June 20, 2000 1�af'flt'f' engirneermg La Quinta Arts Foundation Specific Plan TABLE OF CONTENTS (Continued) Section _ Page Outdoor Museums and Sculpture Galleries. ................... 20 Foundation Building---------------------------------------------------------------20 Outdoor Festival Grounds 20 The "Terraces" 21 Native American Memorial 21 2.1.1 The Site 21 2.1.2 Site Plan 21 View of the Site from Washington Street22 Main Drive Approach__.._ .• ............................................... 22 Secondary Drive Approach..............................................23 Internal Circulation 24 General Parking Lot..............................................................25 Festival Grounds 28 Artists' Parking Lot .................. ........................... .....•.............. 31 Outdoor Performance Venue (the "Terraces') .. ,.,_..._.32 Valet Drop -Off Area and VIP Parking Lot ............. .........33 "Terraces" Loading/Unloading Area...................................33 Outdoor Sculpture Gallery .................................................. Main Entry Area -------------------- ---......................................... -34 34 Native American Memorial •.,_,_,.,,35 Future Foundation Building and Adjacent Parking Area .............................................. Integration with the Laguna de la Paz Res. Dev.............35 Summary of Maximum Building and Proposed Parking for LQAF Site by Area ......................... 37 Summary of Proposed Verses Required Parking for LQAF Site by Area .......................... 38 2.1.3 Architecture, Landscape and Irrigation ..................... ................40 2.1.3.1 Architecture ................ -------- - -----------------------• 41 ..,....... Acceptable Architectural Elements, Building Materials and Finishes 41 Undesirable Architectural Elements Building Materials and Finishes 43 2.1.3.2 Landscape .......................... ........_..._......,,._44 2.1.3.3 Irrigation ............. 47 2.1.4 Utilities ........................................___.._.._... -----........48 2.1.5 Specific Plan Boundary Adjustments__...... 48 2.2 Land Use 2.2.1 Land Use Plan._ . 48 2.2.2 Development Standards 48 2.2.3 Grading, Erosion Control, SWPPP/NPDES/PM10 .................... 49 2.2.3.1 Grading Plan ........................•--....... ......------........._.......49 11 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan TABLE OF CONTENTS (Continued) Section Page 2.2.3.2 Erosion Control ...................................................... . ....49 2.2.3.3 SWPPP/NPDES/PM10 50 3.0 CIRCULATION 51 3.1 Overview . .... ....... 3.2 Off -Site Circulation Plan 3.3 Public Transportation/Transportation Demand Management...............54 4.0 DRAINAGE/FLOOD CONTROL 55 4.1 Hydrology.-------- .............. .................... -- ...... 55 4.2 Flood Control Master Plan ............ ............................................................... .55 4.3 On -Site Storm Water Retention 56 Basin"A................................................................................................58 Basin«B,' .... .................... ......................................... 58 Basin "C.. Basin "D" 59 4.4 Nuisance Water 59 5.0 UTILITIES ...................................... ................................................................... .............61 5.1 Sewer Plan 5.2 Water Plan,...................................................._,....................... 61 5.3 _...............--- Well Site ... 61 5.4 Electrical Plan .......................................... ............. ..,............,.... 61 5.5 Other Utilities...................................................................................... 62 6.0 PHASING AND IMPLEMENTATION ........ .... ...................................... 6.1 Phasing Description .............. 63 6.2 Grading and Infrastructure 63 7.0 DESIGN AND SUSTAINABILITY GUIDELINES 64 7.1 General Architectural and Landscape Theme.,..., ----- . 64 7.2 Project Identification Signage Option "A"— Freestanding Monument Signage Option "B"— Wall -Mounted Signage ............................. 7.3 Design and Sustainability Guidelines 65 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Pian LIST OF APPENDICES Appendix Title A... City of La Quinta City Council Resolution 2000-70 approving Environmental Assessment 2000-394 City of La Quinta City Council Resolution 2000-71 approving Conditional Use Permit 2000-048 City of La Quinta Council Resolution approving Specific Plan 2000-042 including the Findings and Conditions of Approval - Final B .......... .................... City of La Quinta Addendum to Environmental Checklist Environment Assessment 2000-394 with approved Measures for Mitigation Monitoring in Connection with the Mitigated Negative Declaration for Specific Plan 2000-042 La Quinta Arts Foundation, Applicant C ................................... Manufacturer's Specifications for Soil Stabilizer For General Parking Lot and Artists' Parking Lot Stabilizer Solutions, Inc., 205 South 28th Street Phoenix, Arizona 85034 IV June 20, 2000 Warner enaineerina La Quinta Arts Foundation Specific Plan LIST OF TABLES Table Title Page 1 Proposed Specific Plan Deviations from Zoning Code Standards ........................................................... 3 2 Temporary Sign Standards 6 3 La Quinta Zoning Ordinance Development Standards for the RL Zone and Standards Proposed for LQAF Specific Plan 18 4 Maximum Building and Proposed Parking by Area....................37 5 LQAF Site Parking Availability.......... ............. 38 6 Attendance Levels and Transportation Modes to LQAF Site 7 Annual LQAF Arts Festival — Hourly Number of Guests .......... 40 8 Acceptable Architectural Elements, Building Materials and Finishes 9 Conceptual Landscape Palette 45 10 Summary of Retention Basin Capacities and Values for 100 -Year Storm 58 11 Proposed Phases of Development of LQAF Site 63 12 Guidelines for Sustainability.... . ............ v June 20, 2000 Warner engineennca La Quinta Arts Foundation Specific Plan LIST OF EXHIBITS Exhibit Title 1-A Aerial Photo 1-13 ,............................ USGS Location Map (NWC Washington Street & Avenue 48) 1-C _____ Vicinity Map 1-D...............................Photographs of Site and Immediate Vicinity 2-A..,......................... Conceptual Site Plan 2-8,,,,,, ........ ................. Conceptual Landscape Plan 3.................................... Current City Zoning and General Plan Designation of Subject Site and Surrounding Parcels 4-A .. Conceptual Grading Plan 4-B............................... Conceptual Hydrology Plan 5..................................... Washington Street Cross Section Adjacent LQAF Site 6 .................................. Line of Sight Cross -Sections from the Adjacent Laguna de la Paz Residential Development Line of Sight from Artists' Parking Lot to The Terraces Line of Sight at Festival Grounds Line of Sight at Artists' Parking Lot V1 June 20, 2000 llii7t'tl+F't' engineering La Quinta Arts Foundation Specific Plan 1.0 INTRODUCTION/SUMMARY 1.1 Introduction La Quinta Arts Foundation ("LQAF") secured approval for a proposed arts and education facility to be located on the northwest corner of Washington Street and Avenue 48 (Reference Exhibits 1-A through 1-D). On June 20, 2000, this Specific Plan was approved by the City Council. City Council Resolution 2000-72 approving Specific Plan 2000-042 ("SP Resolution"), as well as the mitigation measures contained with the Addendum to Environmental Checklist (the "Environmental Addendum") attached to Environmental Assessment 2000-394 are attached as Appendices "A" and "B" respectively and incorporated herein by this reference. In the event of any inconsistency between the provisions of this Specific Plan and the SP Resolution and/or Environmental Addendum, the provisions of the SP Resolution and the Environmental Addendum shall prevail. This Specific Plan will comply with all the conditions of approval as contained within the SP Resolution and the mitigation measures of the Environmental Addendum. 1.2 Executive Summary The facility will support the mission of La Quinta Arts Foundation, a non-profit public benefits corporation, in promoting the visual and performing arts through education. LQAF has concluded that, because of the population growth in the Coachella Valley, there is significant community need and support for expansion of the services LQAF provides. The project is planned as a phased development of the 28.33 acre site consisting of indoor and outdoor art museums and galleries, administrative offices, classrooms, artists' studios, a performing arts venue, and other public use amenities. 1.2.1 Current General Plan and Zoning Designations The project location is designated by the City's General Plan as "Low Density Residential", with a concurrent zoning designation ("RL"). The predominant uses with these designations are "... general residential product type characterized by one to two-story, single-family detached homes on large or medium size lots and/or clustered one to two-story, single-family attached units in projects with generous amounts of open space ...- 1.2.2" 1.2.2 Uses Permitted with Specific Plan Adoption The following uses shall be permitted under this Specific Plan: June 20, 2000 Warner enginMing t -A Warner 't® engineering ` f+4 Trailer1 #+. ` ' C 2, + •• • ����• • _• La Quinta Arts Foundation Specific an x� 74 { �� ndia 1 ElY8.. l ?rr Edi} •— Falrif e0 PIP o r ' CHS Et -2 02 li iE O .. . * .. G1* 4 0 60 r _ 29. ern ;61 l -Jo ' .C) j Traver .s PROJECT MN SITE •f C D ` W Wo11 O . ,�o • 0 ty _ C 31 �F 44 .. Water y y 6� ✓✓ ll aq 9 tet Water Well O 2U Well o n 6 n o a n 1 4 O n 4 a p n 91 u wl tier T 3 we _ ga p.:- ry W V O 0 C/00 40 u k h O 4 h it M Waley :r 4 I.-eference: EXHIBIT 1-BLocation: Northwest corner of Washington Street and Avenue 48 USGS La Quinta Quadrangle 7.5 minutes series (Topographic) Rev. 1980 veli 'Warner QaO. + engineering La Quinta �i" �) La Quinta Arts Foundation Specific Plan to BERMUDA M - DUNES COUNTRY a CO AIRPORT 40th AVE CLUB DR FIRE sT�% STATION J® HOVLV LN 42nd AVE A',Q,�,� PALM DESERT FRED WARING DRIVE �- FMRE EifldENTARY �4 3 MILES I0°L AVE P� PROJECT` ,T IA QUINTA S T E I` WD HIGH SCHOOL p ELEMENTARY / / HWY 111 SCHOOL N FIRE NTA C WTRY OUCLUB to � srnnoN48th AVE RANCHO LA QUINTA mcc Z a D.S.U.S.D. 'COUNTRY CLUB N ADMIN. FACILITIES / LA QUINTA 0 Ld -HOTEL do GOLF Z z LA QUINTA RE50RT 2 o MIDDLE SCHOOL ,( Q 50th AVE LA QUINTA ELEMENTARY _:U LA QUINTA LA QUIWk a SCHOOL CITY HALL COUNR CLUB tr LA QUINTA CITRUS OURSE z POST OFFICE w N >_ z 52nd AVE LA QUINTA Z Q ,fCOMMUNTIY U1 0 / CENTER w LLJ LA_ 0� W � 1 Uj = m a z N LJ N 7 w w - I— < o�(n (10 I EXHIBIT 1-C Vicinity Map (Not to scale) INDIO'(Z MIDDLE A SCHOOLk INDIO HIGH I SCHOOL INDIO JFK 3 BUS STATION HOSPITAL U Z O Y U Q 54th I AVE AIRPORT l BLVD 56th I AVE Warner -Z == engineering La Quinta Arts Foundation Specific Plan -Job- - -- A WASHINGTON STREET LOOKING NORTH (PROJECT SITE ON LEFT) i LOOKING NORTHWEST FROM THE INTERSECTION OF WASHINGTON STREET AND AVENUE 48 NORTH V E, ST - - — - - SOUTH y.a��•.. ZS .l�v'�-.ice' A PANORAMIC VIEW OF SITE FACING EAST PANORAMA OF SIT' EXHIBIT 1-13 Photographs of Site and Immediate Vicinity Warner engineering La Quinta Arts Foundation Specific Plan Uses Permitted with approval of a Minor Use Permit: • Festival Grounds events for 50 or more not listed in Section 2.1 • Banners in excess of those specifically described in this Specific Plan • Other uses as permitted in Section 9.40, Residential Development Standards of the La Quinta Zoning Ordinance. Uses Permitted with a Conditional Use Permit: • Educational facilities and classrooms • Art galleries • Administrative offices • Amphitheatre • Other uses as permitted in Section 9.40, Residential Development Standards of the La Quinta Zoning Ordinance Uses Requiring a Site Development Permit: • Foundation building • Parking lots (except the General Artists' Parking Lots) • Amphitheatre • Outdoor Sculpture Gallery • Box office building • Headquarters events building • Restroom buildings • Native American Memorial • Permanent Signage The following may be undertaken on the site, without a Site Development Permit, but with approval of the City Engineer and Community Development Department: • Rough grading • Perimeter and General Parking Lot landscaping • Construction of the general parking areas (collectively the "General Parking Lot"), Artists' Parking Lot, and installation of parking lot lighting • Construction of the Festival Grounds 2 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan 1.2.2.1 Proposed Specific Plan Deviations from Zoning Code Standards The following table presents development standards to apply to this Specific Plan - 1.2.2.2 Procedures for Specific Plan Adoption Specific plan proposals, associated environmental documents, and special studies are subject to review and approval by the City Planning Commission as recommended by the City staff with modifications, if any. The Planning Commission submits their recommendations, based on "findings of fact" to the City Council for action. City Council approval of specific plans may be in the form of Council resolution or ordinance. If there are any modifications required by the City Council, these modifications are incorporated into a "Final Specific Plan" which serves as the guidelines to direct future implementation of all successive plans submitted to the City for the project. On June 20, 2000, by the Specific Plan Resolution, the City Council- (a) approved this Specific Plan and the companion application for conditional use permit, and (b) certified the related mitigated negative declaration of environmental impact including the Environmental Addendum. 3 June 20, 2000 Warner engineering TABLE 1 • Proposed Specific Plan Deviations from Zoning Code Standards CATEGORY RL ZONE PROPOSED SPECIFIC PLAN (Except temporary signs.) 1 or 2 story attached or detached, Land Use (1) Art museums and galleries, or clustered single family homes classrooms, artists' studios, an Outdoor Sculpture Gallery, perform- ing arts venue, and other amenities. (2) Public flood control facilities and 28 feet. devices. 50 feet for campanile or other Maximum Structure Height architectural feature not exceed-ing 20% of the total ground floor square footage of the Foundation building, subject to City analysis of bulk and mass, and a line of sight study through the City's site development permit process. Common Open Space Not applicable. Substantial o22.Espace. Vehicle Parking 2 spaces per unit within a garage. 1,700+/- on-site, uncovered_ Garage Minimum to satisfy 2 spaces. Not proposed. Driveway & Parking Paved. Driveway approaches paved, but portions of parking lots with DG Permitted as per LQZC Table 1669 (unpaved) surface. Same. Permanent Signs for residential zones): 1.2.2.2 Procedures for Specific Plan Adoption Specific plan proposals, associated environmental documents, and special studies are subject to review and approval by the City Planning Commission as recommended by the City staff with modifications, if any. The Planning Commission submits their recommendations, based on "findings of fact" to the City Council for action. City Council approval of specific plans may be in the form of Council resolution or ordinance. If there are any modifications required by the City Council, these modifications are incorporated into a "Final Specific Plan" which serves as the guidelines to direct future implementation of all successive plans submitted to the City for the project. On June 20, 2000, by the Specific Plan Resolution, the City Council- (a) approved this Specific Plan and the companion application for conditional use permit, and (b) certified the related mitigated negative declaration of environmental impact including the Environmental Addendum. 3 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan 1.2.2.3 Site Development Permit ("SDP") Process Specific development plans that implement portions of this Specific Plan will be subject to review and approval by the City Community Development Department, other involved City departments, and other affected public entities (i.e., utility companies) through the City's site development permit process. The City Community Development Department coordinates distribution of specific building designs for review by various City departments and public utility companies. The review process assures that the building designs, colors, materials, finishes, proposed locations, and other related details substantially comply with the Final Specific Plan and as per the phasing plan as approved within this Specific Plan. Recommendations are made by the City staff to the Planning Commission to approve, deny, or to amend the submitted plans subject to the development and approval of "findings" of substantial compliance, also accompanied by any specific conditions of approval to assure compliance with the development plan. Any plan amendments as required by the City Council are then incorporated into the revised plans prior to submittal to the Building Department for customary plan checking. The Building Department notifies the applicant of any required corrections needed, with the working drawings substantially reflective of the prior approvals made by the City's legislative body and participating public entities. LQAF will comply with all Conditions of Approval attached as Appendix "A." To execute the approved plans, construction quality assurance measures meeting approval of the City Engineer will be employed by LQAF. Which measures include utilizing qualified civil engineers, geotechnical engineers, surveyors, and other appropriate professionals to assure sufficient construction supervision to furnish and sign accurate record drawings. LQAF will arrange and bear the cost of measurement, sampling and testing procedures not included in the City's inspection program, but required by the City as evidence that construction materials and methods comply with the approved plans, specifications, and applicable regulations. Upon completion of construction, LQAF will furnish the City reproducible record drawings of all improvement plans which were signed by the City. Individual sheets will be clearly marked "Record Drawings", "As - Built", or "As -Constructed" and will be stamped and signed by the engineer or surveyor of record certifying the accuracy of the drawings, with LQAF furnishing the City revised computer aided drafting ("CAD") or raster -image files previously submitted to the City, reflective of the as -constructed conditions. Additionally, all development plans shall be routed to the Fire and Police Departments for review and comment. Upon project completion, the final "As -Built" site plan will be provided to both agencies for their files. 1.2.2.4 Conditional Use Permit and Minor Use Permit According to Zoning Code, Table 401, aspects of this Specific Plan proposal also entail requirements for a conditional use permit ("CUP") and minor use permits ("MUP"). For conditional use permits, Section 9.210.020 specifies: "Uses requiring a conditional use permit have moderate to significant potential for adverse impacts on surrounding properties, residents, or businesses ... For the RL Zone, Table 401 specifies a CUP for "Museum or gallery displaying sculpture, artwork, or crafts, including schools for above, 4 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan on 20 acres or more." CUP 2000-048, allowing for the construction of the amphitheater, the Foundation building, galleries, museums, and restrooms were approved concurrent with this Specific Plan. LQAF will obtain CUP approval from the City for future proposals that are not addressed within this Specific Plan. Section 9.210.020132 of the City Zoning Code specifies: "Uses requiring a minor use permit have low to moderate potential for adverse impacts on surrounding properties, residents, or businesses. In most cases, such uses are accessory to a main or principal use on the property . . ." This Specific Plan proposes special (temporary) outdoor events in the RL Zone subject to minor use permit approval; provided, however, that the events listed in Section 2.1 of this Specific Plan may be conducted without a Minor Use Permit. All events on Festival Grounds will be transmitted to the Fire and Police Departments for review, comment, and conditions of approval. Section 2.0 of this Specific Plan presents the types of activities proposed, the projected time durations per activity, and the approximate number of attendees. Due to the size of LQAF site, larger banners than otherwise permitted by the Zoning Code are proposed. A "Banner Plan" which identifies the ultimate location of the 37 on- site banners will be submitted by LQAF to the City for review and approval with the grading plan. All events for the project shall be consistent with the Banner Plan. In addition, LQAF signage program, as permitted by this Specific Plan, shall be subject to any future amendments to the City's Sign Ordinance. Additionally, with exception of locations within the Washington Street right-of-way landscaped parkway, some banners are proposed for attachment to trees, which is also otherwise prohibited. The following Table 2 compares temporary sign standards for the RL Zone as specified in the Zoning Code (both Sections 9.60.170 — Special Outdoor Events and 9.160.060 — Permitted Temporary Signs whichever is more restrictive) and as proposed in this Specific Plan. 5 June 20, 2000 Warner engineering CRITERIA Posting Time Time for Removal Maximum Sign Area La Quinta Arts Foundation Specific Plan T . TABLE 2 • rary Sign Standards RL ZONE As approved by the City in the minor use permit for the event (60 consecutive dais otherwise stated)_ Within 7 days following an event. Maximum of one temporary banner per street frontage, not to exceed 32 square feet. Maximum of one temporary portable sign on- or off-site on private property, not to exceed 55 square feet. Freestanding —Maximum 16 feet Building -mounted — Maximum Height No. of On -Site Signs Maximum Signs Distance from Interior Paved Road or Street Placement Restrictions Distance Separation June 20, 2000 For multi -floor buildings, no higher than 8 feet or the finish floor line of the second floor For single -floor buildings, no higher than the eave line or top of wall of Maximum of one temporary banner per street frontage, not to exceed 32 square feet. Maximum of one temporary portable sign on- or off-site on private property, not to exceed 55 square feet. Maximum 15 bunting signs, with maximum size to be approved by the Director of Community 30 temporary directional signs, 9 square feet in area, subject to the provisions of LQZC Section 9.160.060, Paragraph C through H with the exception of Paragraph E. 5 feet minimum from edge of Prohibits attaching to trees. 200 feet minimum apart for identical or substantially similar siqns. N PROPOSED SPECIFIC PLAN Same. Same. (Per event) 10 large banners — 4 feet wide by distance between palm tree they are attached to; 20 small banners — no larger than 16 square feet each to be freestanding or attached to buildings. Vertical hung banners (pennants) attached to perimeter festival poles adjacent the Washington Street frontage 20 square feet each no closer than 200 feet apart. Banners attached to tops of palm trees and 30 foot tall festival poles. Same. 37 banners on-site. Same. Same. Some "freestanding" banners proposed for attachment to palm trees, except that no banners shall be located within the landscaped parkway within the Washington Street right-of_way_ Same. Warner engineering La Quinta Arts Foundation Specific Plan 1.2.3 Project History La Quinta Arts Foundation has served the Coachella Valley for 18 years. The Foundation receives funding primarily from donations, and from operation of La Quinta Arts Festival and other arts -related events. • Awarded nearly $300,000 in scholarships to students pursuing higher education in the arts. • Conducts the award winning art education program involving over 4,000 4th and 5th grade students annually. Provides hands-on art instruction to children of all ages and culturally under- served groups through partnerships with other social service agencies. O Conducts museum tours, lectures, and educational workshops for children and adults. In support of its mission, LQAF produces fund raising events including an annual art festival. It has the support of a current membership base of 650, along with a very large volunteer corps numbering over 500. LQAF enjoys a high level of community recognition, participation and support for the services it provides. 1.2.4 The Project Development of the proposed phasing plan will be primarily dependent upon the level of fundraising efforts by LQAF. At maturity, the project will offer a number of well-planned and versatile areas that will serve as a destination for students, educators, families, artists, tourists and all that seek knowledge and enrichment (Reference Exhibit 2-A) as per the following: • A future Foundation building housing museums, galleries, lecture and classroom spaces, an art library, artists' studios, volunteer workspace, staff offices, and office and meeting space for local non-profit agencies. The building, containing not more than a total of 60,000 square feet in gross floor area, may be constructed in phases. When constructed, the building will occupy the area shown on the conceptual site/grading plan identified as the "Building Pad." Festival Grounds. • Outdoor amphitheatre (the "Terraces") with a seating capacity of 2,400. • Outdoor Sculpture Gallery. A 1,300 square foot box office building/ticket gate. • A 1,500 square foot headquarters events building. • Two (2) 1,500 square foot restroom buildings. • General parking for approximately 968 cars (619 in the north portion and 349 in the south portion), with provisions for tour buses. • VIP and handicap parking with available valet service for approximately 140 cars adjacent to the Outdoor Sculpture Gallery and box office building. • Artists' parking areas (collectively the "Artist Lot") for approximately 261 vehicles, including on -street parking along the 36 foot wide rear access drive. 7 June 20, 2000 Warr+er engireenng La Quinta Arts Foundation Specific Plan t I�Oil •" Ir • rkk)l `i,i` V A C A N T ( O P E N S P A C E) A R T I S T S' �'` FUTURE NATIVE AMERICAN MEMORIAL P A R K I N G L 0 T / r 1 (RETENTION BASIN 'C-) / it P r 1' rl RETAINING HALL 2' i0 5't 1 — _ _ � _ _ � - � --•„l (RETENTION AND DEBRIS .{ -+ --- BASIN 'A•UJ. Q AC EVENTS wawRTERs a- '� I I Cn Wz ..EFE1 TE L J Y..E R R- AC E S ecNICEE auNO '1 f I �T y�4I If Ili 16 ANES F_ - 4 17+1�r MAIN ENTRY AREA . I F—RE eox OFF— BUILDING PAD Q A T +p .1 I frT a ORG (FOR FUTURE FOUNDATION BUILDING # Uw AND nDJACACR PARKING) # UQ y I 1 )I P4 j, ,,•t���!!7 RRR i,5 ACRES < I4..F FES TIVAL GROUNDS 5.1 a RETENTION BASIN "D•) ;'•� $ I 1 ' { 'cR4751 \ 21� f O 9 i1. rP .: ACRES err 13 ...4-ac.^.w..w-�++: w LIMITS OF PAD—"""' AD �. III r��P // L� ` •��' IeC: v�luuNa ? I I a �{ O VALE. DROP-OFF AREA ils } �:�_ f � i P F A o Irf II .I I, 1 f T7 iF ..• - BUS TURNOUT Q J GRAPHIC SCALE ♦ 1- K } -,. Y �-{-rvo - -4�o �- . c sw++E•,uI..� ^ } p •-1-- A c oRrvEw.r ; i �u 5G Tip 1]G _ - - -- LL SCALE. 1 INCH 50 FEET CONCEPTUAL SITE PLAN �--• - -� % I� G N F R- L 13- R K t .0 0 T tl C� W E R�- -i R K•i C O T - _�_- -- -- ��` CRETE IOW (R ON -B—JW FOR LA pUINTA ARTS FOUNDATION ?,ti Iia S x r - - [ i Cn PREPARED BY: 7 Vlferner engineenng — - '-- - WF...�.AA..r xrs i• n ■ anent ..m.xnrt �rON ru .sEo. " E p�yE� W t e :. Aao)i{•1w. e:xso riKq iss 6',e sxze. �.. W. A. S H I N G T 0 N S.. T EXHIBIT 2 -A -=Warner Conceptual Site Plan engineering La Quinta Arts Foundation Specific Plan 43 marked/paved perpendicular parking spaces located along the west side of the Festival Grounds. • Concurrent with construction of the Foundation building, the addition of approximately 110 parking spaces adjacent to the building to serve student, staff and individuals with physical handicaps. • Additional 178 paved parallel parking spaces off of the internal and perimeter roadways. • Landscape theme incorporating native and desert tolerant plants and trees surrounding the lush green lawns of the Festival Grounds and the Terraces performing arts venue. Decorative project entry identification signage conveying a sense of arrival and celebration. • Native American Memorial: a plot set aside for recognition of native inhabitants. • Public flood control facilities and devices. 1.2.5 Summary of Preparation Process Preparation of this Specific Plan for LQAF was conducted in a manner that studied the impacts on the subject land and surrounding properties derived from the different aspects of the proposed development. Information was compiled with the assistance of sources such as the City, the La Quinta Chamber of Commerce, the Riverside County Fire Department, Riverside County Health Department, and various consulting agencies. Studies of the site were conducted by Earth Systems Consultants in preparation of the soils report, a cultural resources inventory and evaluation of the site prepared by ASM Affiliates, Inc., the acoustical study prepared by Douglas Eilar & Associates, the biological assessment and impact analysis prepared by James W. Cornett Ecological Consultants, the traffic study prepared by Korve Engineering, Inc., with Warner Engineering preparing the hydrology study. To accommodate a more specific analysis of noise generation originating from LQAF events, noise levels at select locations were monitored during the March, 2000 LQAF Arts Festival. This analysis focused on noise generated by musical entertainment, public address systems, the gathering of large crowds, and from on-site traffic noise and noise from parking. The analysis further applied these results to the proposed project site, and after reviewing the results, it determined that, subject to implementation of the mitigation measures required by the Environmental Addendum, the noise impacts of the project would be insignificant. 1.2.6 The Process California Government Code sections 65450 and 65451 authorize local governmental agencies to prepare specific plans, and set forth the requirements with respect to form and content. Section 65450.1 of the Code states that "The legislative body or planning agency may designate areas within a city or county for which the development of a specific plan will be necessary or convenient to the implementation of the general plan." A specific plan is a tool for the systematic implementation of the City's General Plan 8 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan within a defined geographic area. It allows for the development of unique and special characteristics within the defined area to be recognized and specifically addressed in the planning and development process. This Specific Plan establishes land use and development guidelines for the project area and in its implementation, assures consistency with applicable state laws and local ordinances, conformity with the City's General Plan, compatibility with adjacent development, and availability of public services and facilities adequate to serve the development. 1.2.6.1 Consistency with General Plan The proposed project site selected by La Quinta Arts Foundation is categorized on the City's Land Use Map as "Low Density Residential" ("LDR"). This category permits a density standard ranging from 2 to 4 dwelling units per acre (Maximum density of 4 dwelling units per acre). The General Plan describes this category with a "general residential product type characterized by one to two-story, single-family detached homes on large or medium size lots and/or clustered one to two-story, single-family attached units in projects with generous amounts of open space, subject to conditions for varying residential use guidelines as specified in Policy 2-1.1.9" (This policy specifies conditions for varying residential use guidelines). The development proposed by La Quinta Arts Foundation will implement the goals and policies contained within the City's General Plan, specifically addressing the nine elements outlined in the General Plan as follows. Specific responses that present proposed implementation measures demonstrating consistency with the General Plan follow the General Plan objective ("vision statements") for each of the nine (9) elements listed in the current General Plan (with exception of the Housing Element). Element 1 - Land Use General Plan land use vision statement: "The City of La Quinta's vision of the future for land use focuses on preserving, maintaining and enhancing the City's high quality of life for its residents. This is currently exhibited in the City's unique and attractive environmental setting at the foot of the Coral Reef and Santa Rosa Mountains, the City's low-density residential character and resort image, the ethnic diversity of the Cove and the culturally -oriented attitude of its residents. The vision also focuses on facilitating and integrating, through appropriate location, desirable character and sensitive design, a mixture of commercial, resort, residential and community facility uses to enhance the existing high quality of life. " 9 June 20, 2000 Warmer engmeenng La Quinta Arts Foundation Specific Plan Proposed land use vision implementation measures demonstrating consistency with the General Plan: • Provides community facilities and opportunities for education, cultural enrichment, and appreciation of the history and contributions of Native Americans in the Coachella Valley. • Incorporates unique and attractive site development criteria reflective of the resort image of the City. • Incorporates a design and themes sensitive to the natural surroundings. • Incorporates a design that buffers, screens, and mitigates proposed functions to minimize impacts on adjoining properties, and as required in Environmental Assessment 2000-394, incorporates mitigation measures to reduce impacts to an insignificant level. • Provides a streetscape design consistent with a continuous appearance throughout the City. • Site development that is respectful of the adjacent hillside areas in protecting them as a scenic resource of the City. • Incorporates substantial open spaces that respect historical and cultural resources. To assure that any previously deeply buried sites (under the sand dunes) may be identified, LQAF will station an archaeological monitor on the site during any grubbing, earth moving, or excavating activity. Should the monitor identify a resource, the monitor will be empowered to halt or redirect grading activities while the resource is properly identified and studied. The monitor will be required to file a report with the City of La Quinta of said findings, including disposition of any identified resources. Element 2 - Circulation General Plan circulation system vision statement: "The City of La Quinta's vision of the future for circulation focuses on serving increasing travel demands while maintaining safety and efficiency and preserving and enhancing the City's high quality of life for its residents. Circulation system improvements will be implemented that are appropriate to travel demand and that incorporate design elements that preserve and enhance the City's unique character. The vision focuses on continuing to provide roadway improvements to serve automobile travel while developing transit, pedestrian and bicycle systems which establish these modes as viable alternative to automobile travel." Proposed circulation system vision implementation measures demonstrating consistency with the General Plan: • A site design that reflects and enhances the entrance to the City and the vision of the City's resort image incorporating public safety standards. • Design standards that are consistent with the land use and traffic projections for the area. 10 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan • Incorporation of City development standards with the installation of new curbs, gutters, and roadway improvements across the entire lot frontage adjacent to Washington Street. • As an alternative to individual automotive travel, incorporates a Sunline Transit bus turnout within the public right-of-way, with the option of building in the future a covered bus shelter for protecting bus riders from inclement elements. • A site designed with private roadways designed to accommodate large private and public buses, with larger turning radii, and the availability of oversized on-site parking opportunities for the buses. • Provides pedestrian and bicycle access to the site, across the site frontage via a meandering public sidewalk, and on the site as part of the community's efforts to establish non -automotive transportation. Consistent with LQAF's efforts to accommodate transportation alternatives, conveniently located bicycle parking spaces, designed with security provisions in mind, will be integrated into the site. • Pedestrian access is planned to all portions of the site, with accessibility as per ADA (Americans with Disabilities Act) requirements for individuals with physical disabilities. Element 3 - Open Space General Plan open space vision statement.- "The tatement: "The City of La Quinta's vision of the future for open space focuses on the protection, preservation and enhancement of the different types of natural and manmade open spaces in the City. La Quinta's attractive and unique character stems in part from its dramatic setting at the foot of the Santa Rosa and Coral Reef Mountains, its agrarian character of the numerous citrus orchards and date palm groves, and the sophisticated image of its resort golf courses. These different, but equally important types of open spaces should be preserved and protected to retain the unique character of La Quinta. " Proposed open space vision implementation measures demonstrating consistency with the General Plan: • A site design that is sensitive to the scenic and natural topography of the area. Steep hillsides rise from the property's western boundary, and represent an important geologic feature for the City. LQAF proposal does not, however, propose disturbance of any area within the toe -of -slope, as defined within the City's Hillside Preservation Ordinance. Since no development will occur within this area, the significant geological feature will be preserved, with no expected significant impacts. • A site design that is respectful of the cultural resources of the City. • A site design reflective of the area's sophisticated image as a destination resort. • A majority of the 28.33 acre site dedicated to open spaces that generously incorporate native and non-native plant species. • A site design that incorporates many places on site for enjoyment of surrounding scenic vistas. 11 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan • The current General Plan shows a pedestrian hiking trail along the southern perimeter of LQAF site with a destination point leading to a nearby "proposed park facility" westerly in the Santa Rosa Mountains. Within the parameters of the 10 year General Plan Update, which may delete this trail to minimize access to the Santa Rosa Mountains, alternatively the Outdoor Sculpture Gallery (that the main drive approach connects to) will serve as a passive neighborhood park that will remain accessible as a logical destination point to the pedestrian hiking trail. Element 4 - Park and Recreation General Plan park and recreation vision statement: "The City of La Quinta's vision of the future for improved parks and recreation acreage and facilities focuses on providing a wide variety of parks for all City residents to enhance the quality of life through the provision of a community -wide, conveniently accessed network of facilities and activities sensitive to the recreational needs and desires of the citizens of La Quinta. It is essential that park and recreational opportunities are integrated, both physically and visually, with the City's open space areas, historic and archaeologic resources and areas which are site for designated cultural activities to maintain and enhance the desirability of La Quinta as a place in which to live, work and play." Proposed park and recreation vision implementation measures demonstrating consistency with the General Plan (Reference Exhibit 2-13): • A site designed exclusively for cultural and educational activities consistent with the City's vision. • Project objectives that provide leisure activities for area residents. • A site layout that provides a park -like setting. • Historic and archaeological resources embodied by the Native American Memorial. • A site centrally located for convenient access from all parts of the City. • An Outdoor Sculpture Gallery, park, and rest area to serve as a passive public neighborhood park. • A project design that is supportive of the City's bicycle path network. Element a - Environmental Conservation General Plan environmental conservation vision statement: "The City of La Quinta's vision of the future for Environmental Conservation focuses on the protection and stewardship of the natural environment as a major community asset for the future quality of life in La Quinta. Conserving and protecting the quantity and quality of all water resources, clean air, natural topography, habitat of native plants and wildlife species, scenic vistas and energy resources are a significant ingredient in the well-being of La Quinta. These resources should be perpetuated at their visual, functional, environmental and aesthetic qualities. " 12 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan Proposed environmental conservation vision implementation measures demonstrating consistency with the General Plan: • A site design that enhances the City's scenic and topographical resources. • Consistent with City requirements, a site design that incorporates 20 feet or more of landscape setbacks along the Washington Street right-of-way to facilitate scenic vistas of the nearby Santa Rosa Mountains. • Provides on-site debris and storm water retention basins to facilitate recharge of the groundwater aquifer and mitigate storm water runoff and rock debris concerns. • A drainage plan for the site that alleviates storm drainage overflowing onto Washington Street. • A site design that does not impact the quality of groundwater. • A site design and proposed use of the site that is compatible with and sensitive to conserving and protecting the habitat of native plants and wildlife species. Element 6 - Infrastructure and Public Services General Plan infrastructure and public services vision statement: "The City of La Quinta's vision of the future for infrastructure and public services recognizes the importance of a functional, efficient and cost effective system of infrastructure and public services and its linkage to a high quality of life. These infrastructure facilities and public services including potable water, sanitary sewage and storm water collection, electrical, natural gas and telephone, law enforcement, fire protection, health services, educational facilities, government services, and solid waste collection and disposal must be provided and maintained at adequate levels to meet the needs and desires of La Quinta citizens. " Proposed infrastructure and public services vision implementation measures demonstrating consistency with the General Plan: • Providing educational facilities devoted to promoting visual and performing arts in the form of classes, lectures, workshops, and seminars. • Connection to the community's sanitary sewer system. • The undergrounding of utilities as per City infrastructure planning. • A site design and use that does not significantly intensify the need for greater law enforcement and fire protection. • Provides on-site debris and storm water retention basins to facilitate recharge of the groundwater aquifer and mitigate storm water runoff and rock debris concerns. 13 June 20, 2000 Warmer engineering La Quinta Arts Foundation Specific Plan Element T - Environmental Hazards General Plan environmental hazards vision statement: "The City of La Quinta's vision of the future for environmental hazards focuses on protecting the public from natural and manmade hazards. In order to maintain a high quality of life, existing and future residents must be protected from natural hazards, such as geologic and seismic activities, as well as manmade hazards, such as excessive noise and hazardous waste. Only when these hazards are reduced and mitigated can the citizens of La Quinta be assured of a safe future. " Proposed mitigation of environmental hazards vision implementation measures demonstrating consistency with the General Plan: • Incorporates energy conservation and safety technology in all future buildings. • Setbacks and sound buffers designed to mitigate traffic noise from Washington Street, and ambient sound from on-site uses. • Nighttime illumination of the development incorporates low intensity lighting fixtures with prismatic lenses and or other devices which angle light downward at levels that are compliant with the City of La Quinta "Dark Sky" Ordinance. Said fixtures will consistently be utilized within all portions of the development, including building lighting, parking lot lighting, temporary or permanent, and outdoor festival and Terraces events with the objective of minimizing transient lighting from illuminating the adjacent Laguna de la Paz residential development and the nearby hillsides. Element 8 - Air Quality General Plan air quality vision statement: "The City of La Quinta's vision of the future for air quality focuses on achieving and maintaining a high level of air quality in order to protect the health of the City's residents and visitors and preserve the City's high quality of life. Air quality measures will be implemented which help to control existing sources of air pollution and which insure emissions do not exceed a level which would exceed air quality standards or otherwise adversely affect the health and property of the community's residents. The vision focuses on integrating land use, circulation and air quality policies and decisions in order to accommodate the City's desire for growth and demand for mobility while preserving local air quality as well as complying with and supporting regional, state and federal air quality requirements." 14 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan Proposed air quality vision implementation measures demonstrating consistency with the General Plan: • The proposed use of the site generates a level of traffic consistent with General Plan projections (see Traffic Study). • RUNNING EXHAUST EMISSIONS • (pounds/day) _ CO ROC NOx PM10 PM10 PM10 Exhaust Brakes _ Tires 50 mph 351.3 13.5 72.1 0.0 1.5 15 Daily 550 75 100 150 Threshold" Based on 8,500 trips/day and average trip length of 8.0 miles, using EMFAC7G Model provided by California Air Resources Board. Assumes catalytic light autos at 750F.* Operational thresholds provided by SCAQMD for assistance in determining the significance of a project. The above table demonstrates that the emissions from a major event at LQAF site will not exceed thresholds for significance. Therefore, it is assumed that medium (5,000 people) events are not expected to exceed the SCAQMD standards. • Apart from short-term site development construction activities, no increased pollutant levels or particulate emissions are anticipated. The single phase grading process is expected to take approximately 30 working days. The process will require two scrapers, one wheeled bulldozer, and one water truck, each of which will operate for approximately eight hours per day. The following table describes the PM10 emissions expected to occur during the grading process, and demonstrates that grading is not expected to generate PM10 emissions which exceed SCAQMD's construction emissions thresholds. • CONSTRUCTION -RELATED PM10 EMISSIONS (pounds) Project Generated Emissions SCAQMD Thresholds Daily _ 9.96 150 Quarterly 298.8 13,500 Source: Table A9 -8-A, and page 6-4, "CEQA Air Quality Handbook," South Coast Air Quality Management District, 1993. Methods to minimize ambient dust, water, and erosion during and after grading activities in the development of the site will be integrated in the construction plans in compliance with local and regional air quality requirements. The Coachella Valley has in the past been a non -attainment area for PM10 (particulate matter of 10 microns or smaller). Recent analysis by SCAQMD has determined that the Valley has reached attainment, and a redesignation is pending. In order to control PM10, LQAF will implement the standards as 15 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan adopted by the City of La Quinta to control dust during periods of development of LQAF site. LQAF will also comply with SCAQMD suggestions recommended measures to mitigate vehicular emissions. As noted above, soils stabilizers to be added to the decomposed granite ("DG") parking lot surfaces as required to solidify and stabilize the underlying base grade without affecting the storm water retention and percolation purposes of the DG parking lots (Consistent with policies to be developed and implemented, the state of the DG parking lot surfaces will be checked in a timely manner following major LQAF events and for the accumulation of any debris following a major storm). Element 9 - Housing This Specific Plan does not propose the construction of housing, except to note that the project proposal will positively enhance the quality of life for area residents with the addition of the proposed community arts, cultural and education center. In addition, significant economic benefit can be anticipated by the City in the form of newly generated revenues derived from hotels, restaurants and related businesses. 1.2.6.2 Relationship with Zoning and Development The City's official Zone Map designates the project site area within the "Low Density Residential" ("RL") Zone. Section 9.40, Table 401 of City of La Quinta Zoning Ordinance enumerates activities principally permitted within the RL Zone, those subject to City approval of an application for conditional use permit (Section 9.210.020), for accessory uses, minor use permits, home occupations, uses requiring specific plans, and prohibited uses. Principally permitted uses listed in Table 401 include public flood control facilities and devices, which this Specific Plan proposes as an accessory to the major objective of the site development. Other principally permitted uses listed in the RL Zone include single-family detached dwellings, mobile home subdivisions and manufactured homes on individual lots, congregate living, senior and residential care facilities, public parks, playfields, open space, bicycle, equestrian, and hiking trails, clubhouses, and community pools. Uses permitted in residential districts subject to conditional use permit approval in the RL Zone include mobile home parks, timeshare facilities, bed and breakfast inns, driving ranges, and museums or galleries displaying sculpture, artwork, or crafts, including schools for the same on 20 acres or more. Accordingly, this Specific Plan is intended to incorporate criteria and standards for a conditional use permit for this project as per "Museum or gallery displaying sculpture, artwork, or crafts, including schools for above, on 20 acres or more." As per Section 9.210.050 of the Zoning Ordinance, this Specific Plan also incorporates criteria and standards for minor use permit that pertains to those occasional uses as proposed that are subject to separate approval of a minor use permit. 16 June 20, 2000 Warner engineenng La Quinta Arts Foundation Specific Plan This Specific Plan proposes varied uses incorporating development standards for the entire site that may be a departure from standards otherwise applicable in the RL Zone. Significant aspects of this Specific Plan incorporate uses normally subject to separate conditional use and minor use permit. Due to the variety of uses proposed, in which some involve items typically requiring CUP and MUP approval, LQAF accepted the City's staffs recommendation that development of a specific plan for this proposal would be most appropriate. Accordingly, no uses are proposed within this Specific Plan, nor are any uses proposed on the subject site unless they meet certain criteria and other guidelines as approved by the City. Sections 1.2.2.3 and 1.2.2.4 of this Specific Plan enumerates the review and approval process for specific plan applications inclusive of conditional use and minor use permit requirements, and references the site development permit process. As derived from the list appearing in Section 9.30.030 of the City Zoning Ordinance, the following Table 3 lists RL Zone development standards and the standards of development as proposed in this Specific Plan. Since the nature of the proposal contrasts substantially with the intent of the development standards devoted towards single family residential uses, a number of RL Zone development standards will not necessarily correspond or will not be applicable to the standards as proposed by this Specific Plan. 17 June 20, 2000 Warner 1 engineering La Quinta Arts Foundation Specific Plan Consistent with the standards and criteria as presented within this Specific Plan, precise development plans that implement this Specific Plan will, except as otherwise provided herein, be required by the City under the City's site development permit process. This process permits City departmental review of more precise plans that must demonstrate substantial compliance with this Specific Plan. Following the City's comprehensive review process, the working drawings will then be subject to plan checking by various City departments and other public agencies to assure compliance with previous City approvals, subject to various adopted building codes prior to issuance of building permits. Exhibit 3 depicts the zoning on and around properties surrounding the project area. 1.2.6.3 Relationship to Other Agencies The City of La Quinta has indicated that they will process this proposal as a Specific Plan to serve as the general site development document incorporating the standards and criteria normally treated separately as applications for conditional use permil ("CUP") and minor use permit ("MUP"). Additional details for this proposal will be presented for City review in the City's site development permit ("SDP") process. In addition to City approvals, consistent with the plans as approved by the City, LQAF will need to obtain separate permits with payment of any permitting fees and installation costs as required for future work by the Coachella Valley Water District ("CVWD") for extensions of water and sewer lines, infrastructure extensions required by the Imperial Irrigation District ("IID"), General Telephone and Electric ("GTE") for telephone service, the Gas Company, and Time Warner Cable TV service. 19 June 20, 2000 = {Nang engineering La Quinta Arts Foundation Specific Plan Northwest OPEN SPACE LOW DENSITY RESIDENTIAL North LOW DENSITY RESIDENTIAL Northeast REGIONAL COMMERCIAL West Subject Site East OPEN SPACE LA QUINTA REGIONAL LOW DENSITY ARTS FOUNDATION COMMERCIAL RESIDENTIAL (APN 643-090-024) LOW DENSITY LOW DENSITY RESIDENTIAL RESIDENTIAL Southeast Southwest South LOW DENSITY LOW DENSITY GOLF COURSE RESIDENTIAL RESIDENTIAL LOW DENSITY LOW DENSITY RESIDENTIAL RESIDENTIAL A CURRENT ZONING Northwest OPEN SPACE LOW DENSITY RESIDENTIAL North LOW DENSITY RESIDENTIAL Northeast MIXED/REGIONAL COMMERCIAL West Subject Site East OPEN SPACE LA QUINTA MIXED/REGIONAL LOW DENSITY ARTS FOUNDATION COMMERCIAL RESIDENTIAL (APN 6434)90-024) LOW DENSITY RESIDENTIAL South Southeast Southwest LOW DENSITY LOW DENSITY GOLF COURSE RESIDENTIAL RESIDENTIAL LOW DENSITY RESIDENTIAL L GENERAL PLAN DESIGNATION EXHIBIT 3 Current City Zoning and General Plan Designation of Subject Site and Surrounding Parcels Warner engineering La Quinta Arts Foundation Specific Plan 2.0 DEVELOPMENT PLAN 2.1 Project Description The following are the potential activities and levels of attendance: Outdoor Museums and Sculpture Galleries Outdoor museums and galleries. • Outdoor Sculpture Gallery. Picnic grounds. • Outdoor arts classes: painting, drawing, and sculpture. Foundation Building Pending future construction, hours of office operation will be 7:00 A.M. to 10:00 P.M. daily; Programming and events 7 A.M. to 12:00 midnight daily. • Gallery shows and art exhibits. • Classes, lectures, seminars, workshops, training sessions, children activities. • Revenue producing events in support of LQAF mission. • Daily administrative business. • Volunteer workers. • 40 gallery events and 135 educational events estimated annually. • Ongoing classroom events. • Artists studios/galleries. Outdoor Festival Grounds Events to be held on the outdoor Festival Grounds will be consistent with LQAF mission, including arts and crafts, literary, collectibles and culinary events. Except as provided below, all events requiring time for "set up" and "break down" activities in the Festival Grounds shall conform to the City's hours for construction activities, as stipulated in the noise ordinance (Municipal Code Section 6.08.050). The facility will be open to the public between 8:00 A.M. and 12:00 midnight, including Sundays and holidays, except for major and medium events, when "break down" time shall be allowed until 10:00 P.M. °Break down" for the public health and safety, in the event of an emergency, will be allowed outside of the hours specified above. • Major events (5 estimated annually).- attendees nnually):attendees per day. • Medium events (5 estimated annually): attendees per day. Lasting up to 4 days averaging 9,000 Lasting up to 2 days averaging 5,000 • Minor events (25 estimated annually): Lasting 1 day with up to 5,000 attendees. 20 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan The "Terraces" Events to be held in the Terraces will be consistent with LQAF mission, including concerts, recitals, opera, theater, dance, cinema and Shakespeare productions. Attendance will be between 8:00 A.M. and 12:00 midnight. • Major events (5 estimated attendees per performance. • Minor events (40 estimated per performance. Native American Memorial annually): Lasting up to 4 days averaging 2,400 annually): Lasting 1 day averaging 2,400 attendees Tour and field trip destinations providing education and awareness of Native American culture. The Foundation shall, within 10 days of the beginning of each quarter each year, submit a list of the events which occurred in the previous quarter, and those which are planned in that quarter to the Community Development Department, to ensure compliance with the events list in this section. 2.1.1 The Site The project site area consists of one 28.33 acre lot of record (APN 643-090-024) with located along the west side of Washington Street, a major arterial, at the northwest corner of the terminus of Avenue 48 with a north -south site frontage along Washington Street of approximately 1,400 feet, with an average east -west lot depth of 880 feet, not including the Artists' Parking Lot located in the southwest portion of the site. Washington Street is currently a 4—lane divided street, planned for widening to a 6 lane landscaped boulevard with limited access. The site consists of rolling sand -swept slopes and is bordered along the north side by undeveloped lands belonging to St. Francis of Assisi Roman Catholic Church. Adjacent to the south side of LQAF site is the Laguna de la Paz development, a residential development of single-family detached homes. On the east side of Washington Street, opposite the project site is the Lake La Quinta residential development and undeveloped lands that LQAF understands may be under consideration for construction of a medical center. The existing topography of the site generally consists of sloping sand deposits adjoining the adjacent undeveloped rocky hills in the parcels to the west (Santa Rosa Mountains), with rocky, steep vertical rises that characterize the backdrop to this property. 2.1.2 Site Plan The project is proposed for construction in phases, subject to the schedule as presented later in this document in Section 6.0, "Phasing and Implementation." The following 21 June 20, 2000 = Warner engineering [ La Quinta Arts Foundation Specific Plan presents descriptions of the various aspects proposed in the development of this site r (Reference Exhibit 2 -A) - View of the Site from Washington Street Two bi-directional drive approaches are proposed from Washington Street each restricting motor vehicle entry to "right-in/right-out." The main entrance/main drive approach is situated a distance of approximately 580 feet north of the south property line with a secondary entrance located approximately 25 feet south of the north property line. The view of the overall site from the street is expected to be characterized by undulating 4 foot landscaped berms adjacent the public right-of-way with canopies of perimeter trees situated occasionally along a meandering public walk across the entire frontage. Limited visibility of parked cars in the General Parking Lot will be achieved since the finish grade for the General Parking Lot will be depressed approximately 2 to 3 feet (for storm water retention purposes) below the center of Washington Street, when combined with the perimeter landscape berms along Washington Street. With the Santa Rosa Mountains serving as a backdrop to the property, the average building pad elevation (88.0') for the future Foundation building, as determined by the average existing elevations, will result in a building pad elevation of approximately 28 feet above the parallel portion of Washington Street (The existing elevations range between 10 to 55 feet above Washington Street). To commemorate individuals, organizations, participating vendors, and corporate sponsors of events taking place at LQAF site, their names and/or logos will appear on festival banners, the placement of which shall be subject to the Banner Plan discussed above. The festival banners will be vertically hung, and attached to tall decorative poles placed at regular intervals inside of the property line along the Washington Street frontage. The banners will consist of bold, contrasting colors and materials, and will coordinate with the intensity, colors and architectural theme of the future Foundation building and LQAF site in general. Festival poles adjacent to the Washington Street frontage will have a uniform design and a height not exceeding 30 feet, and placed at regular 200 foot (or more) intervals, placed no less than 100 feet from adjoining property lines north and south, with vertically hung decorative festival banners not exceeding 20 square feet each. Main Drive Approach The 40 foot wide main drive approach into the site will accommodate two-way vehicle traffic, parallel parking on each side of the street, with meandering sidewalks on each side of the main drive aisle separated by generous landscaping. The main drive approach connects east from Washington Street westerly to the main Outdoor Sculpture Gallery. Both pedestrian and vehicle traffic entering the site will observe a transition from the public street of contrasting decorative pavement, possibly stamped colored concrete (i.e. "Bomanite" or equal) leading into the site from the main drive approach that convey a quality image with a sense of greenness, openness and order. The main Outdoor Sculpture Gallery that the main drive approach connects to, will serve as a 22 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan passive public neighborhood park area that will remain accessible to the public when access to other areas of the site are blocked for security purposes when those portions of the site are not in use, or when use is restricted during scheduled events. The City's General Plan Park and Recreation Policy Diagram map and Open Space Policy Diagram map designates a conceptual location for a neighborhood park in the general vicinity located west of LQAF site. This proposed passive park on LQAF site will essentially function in fulfillment with the general objectives of a neighborhood park as specified in the General Plan. As per City development standards, crossbars, stop signs, and other directional signs will be installed as traffic control devices to accommodate traffic exiting the site. Occasional bunches of palm trees will colonnade the entrance area that conveys a sense of "celebration." The entry elements will be visually connected and flow with the perimeter landscaping and the meandering sidewalk. In addition to the paralleling bunches of palm trees, placement of occasional sculptural pieces with intermixed picnic tables and benches will flank the main entrance leading to the ticket building to further enhance the integrity of LQAF's mission objectives and a sense of "arrival" accompanied by generous desert hardy landscape berms. To greet visitors to the site, a decorative permanent monument sign will be placed near the main entrance adjacent the Washington Street frontage. Alternatively, in lieu of the monument sign, similarly designed permanent entry signs identifying LQAF site may be mounted on the decorative walls that flank each side of the main entry drive, incorporating an average 20 foot depth if a meandering wall design is approved. The project identification signage will thematically be reflective of the future Foundation building architecture, as detailed further in Section 7.6 of this Specific Plan. On-site promotion of LQAF events will utilize decorative festival banners announcing upcoming and ongoing events on LQAF site, and will be used year-round to accommodate various events. Banners will be tie -attached to corresponding palm trees that colonnade each side of the main drive approach and stretch above the main entry drive lanes and throughout other portions of the site less visible from the Washington Street frontage, or attached to buildings. The total number of temporary banners and signs proposed are specified earlier in Section 1.2.2.4 of this Specific Plan. Secondary Drive Approach This 36 foot wide approach starts a distance of approximately 25 feet south of the north property line connecting to a 36 foot wide curvilinear private street that generally borders the north and west perimeters of the site, with a sufficient width that accommodates parallel parking without interfering with two-way traffic. Specific to this portion of the street, the street has a meandering design so as to minimize direct visibility of the continuing street ahead. This two-way street serves as a perimeter road and accesses the northern portion of the General Parking Lot, the VIP Parking Lot, the future Foundation building site, and ultimately the Artists' Parking Lot located at the southwest portion of the site. As a transition from Washington Street, contrasting 23 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan pavement similar to that found at the main entrance will be installed at this entrance. On -street parking on the perimeter road that the secondary approach turns in to will accommodate parking on one side of the street so as to not encumber two-way vehicle traffic. Internal Circulation The project circulation network is composed of a logical hierarchy of two-way roads, ranging from 40 feet at the main entry, 36 feet at the secondary (northerly) entry that accommodates parallel parking and 36 feet for both the main north -south road extending west of the General Parking Lot that also accommodates similar parallel parking (north of the main entry), and the 36 foot wide perimeter road leading west to the Artists' Parking Lot that also accommodates parallel parking. The conceptual grading plan includes typical cross-sectional drawings for the internal roadways. All internal roadways and sidewalks connecting to the various functional sections on the site will be paved asphalt or concrete, and as noted above, will restrict on -street parking in a parallel parking arrangement on the right side only. This arrangement will provide approximately 178 parallel parking spaces on the internal roadways, and another 43 parking spaces (parking to meet specific Americans with Disabilities Act requirements not calculated, but designed to accommodate) at the cul-de-sac terminus of the perimeter road east of the Artists' Parking Lot. Although not specifically calculated, the on -street parallel parking of oversized vehicles or recreational vehicles that occupy greater vehicle lengths, will result in fewer on -street parking spaces. Both entries and all roadways are designed to accommodate two-way traffic. The main drive approach conveys traffic primarily to the two general parking areas (General Parking Lot), but also leads past the roadway that borders the west side of the General Parking Lot connecting to the circular drop-off area and the valet parking area. The 36 foot wide secondary approach turns into a winding curvilinear perimeter road accommodating all types of vehicles entering into the site and parallel parking. This road also accesses the main visitor parking area and continues westerly in a curvilinear manner, with the road gently rising as it approaches the location of the future Foundation building site and future adjacent parking lot, and continuing in a southward direction and connecting to the Artists' Parking Lot where the road terminates into a cul- de-sac. This drive also serves as the vehicle access route to drop-off individuals with physical disabilities, to the food staging area and other facility spaces for service deliveries, and vehicle turn -around located south of the future Foundation building site. Blue retro -reflective pavement markers will be mounted on private streets, public streets, and driveways to indicate the location of fire hydrants, and prior to their installation, placement of all markers will be subject to approval by the Riverside County Fire Department. Two separate sets of decorative metal gates are proposed along this drive to restrict access to either the future Foundation building or to the Artists' Parking Lot. The first set of gates is located at the easterly start of the drive leading to the future Foundation building site, and the second set of gates is located immediately past the future 24 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan Foundation building site. When closed, the first set of gates will preclude vehicle access to both the future Foundation building and the Artists' Parking Lot. When the first set of gates is open, but the second set of gates is closed, only vehicle access to the Artists' Parking Lot will be blocked. In both instances, provisions have been made to accommodate vehicle turn -around without jeopardizing safety. To accommodate site security, placement of the gates will effectively preclude unauthorized access to either the future Foundation building, or to the Artists' Parking Lot. Until construction of the parking lot for the future Foundation building, a temporary 100 foot diameter turn -around area immediately before the gate by the future Foundation building will be installed. Upon completion of the future parking lot for the Foundation building, the parking lot layout will facilitate through traffic that is blocked due to the closed gate, therefore eliminating the continuing need for the temporary turn -around area. All gates on-site will be equipped with Knox boxes, or equivalent, to the satisfaction of the Fire Department. There is a 14 foot deep, 250 foot long bus turn -out area located along the west side of the main north -south road just west of the northern portion of the General Parking Lot. As referenced in the "Festival Grounds" description later in this section, a permanent trash enclosure is proposed to be constructed adjacent the southern portion of the 250 foot long bus turn -out area. This location accommodates generous unobstructed access to the trash enclosure, with flat concrete paving for rolling -out the trash bins for unloading into the disposal pick-up vehicles The primary entrance to the future Foundation building will be via the perimeter road that wraps around the site from the northern Washington Street entrance leading to the west side of the site connecting to the parking lot that will serve the building. Accessibility to the Terraces (as well as the future Foundation building) will meet ("Americans with Disabilities Act") accessibility compliance with the overall site circulation plan accommodating movement both to and on the site. Pending future construction of the Foundation building parking lot that will be ADA compliant, the parallel parking is proposed for one side of the western perimeter drive in the vicinity of the future Foundation building will temporarily accommodate parking opportunities for individuals with physical handicaps to access top portions of the Terraces (as well as lower portions of the Terraces via the VIP Parking Lot), also meeting ADA accessibility criteria. General Parking Lot The General Parking Lot consists of two lots that are divided by the main entry road, providing a total of 968 parking spaces, including bus and recreational parking. The main entry road leading east from Washington Street west to the Outdoor Sculpture Gallery and the box office divides the General Parking Lot. The total space available in the south portion of the General Parking Lot accommodates up to 349 cars and 619 in the north portion of the General Parking Lot. These parking areas are depressed approximately 2 to 3 feet below Washington Street for storm water retention. In 25 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan contrast, the perimeter landscape areas fronting Washington Street are bermed approximately 4 feet high with extensive landscaping, therefore helping reduce visibility of the parking lot. To mitigate parking lot noise, the south perimeter landscape area of the General Parking Lot only (adjacent Laguna de la Paz) will also be bermed between 3 to 4 feet. The General Parking Lot adjacent Washington Street propose the use of treated native subbase or optionally the use of decomposed granite ("DG") as the parking lot surface to facilitate storm water percolation purposes. Section 4.0 "Drainage/Flood Control" of this Specific Plan presents details on specific commercial soil stabilizers proposed for application over the General Parking Lot surface to minimize dust and to create a firmer surface without interfering with anticipated storm water percolation rates. The design and location of these parking lots with the water retention capabilities facilitate the site's overall design. No parking will be permitted on Washington Street at any time. LOAF will work closely with the City in monitoring any parking problems that may arise during major events, and will cooperate with the City in implementing any additional restrictions or conditions through the minor use permit process. Since the General Parking Lot will be used during most major events at LOAF site, LOAF volunteers and professional parking attendance services will be present to direct arriving and departing traffic into and from the DG parking surface. LOAF will ensure that all activities of its traffic control officers are coordinated with the City Police Department. Traffic control officers will be employed by LOAF during all events occurring at the Terraces, with traffic control officers stationed at the intersection of Washington Street and Avenue 48, and Washington Street and Avenue 47 before and after each performance. Working with the City, LOAF will assist City efforts to monitor the need for traffic control officers during other major events, which may result in the use of such officers through the minor use permit process. In order to minimize noise impacts on the adjacent Laguna de la Paz residential development, for all events LOAF will first fill the northern portions of the General Parking Lot prior to opening for use the southerly portion of the General Parking Lot. "No Overnight Parking" signs will be posted within all parking areas. City parking standards normally specify a minimum 19 foot depth and a 9 foot width for perpendicular parking spaces with an additional 2 foot in width for "end" parking spaces and a 28 foot back-up area for double parking row access. Due to the parking assistance provided by LOAF volunteers, professional parking attendants, and volunteers and staff of other event holders, LOAF proposes an 18 foot parking depth, a 24 foot back-up drive area, but maintaining City parking requirements for 11 foot wide end parking stalls. It is anticipated that the traffic directing assistance provided for the General Parking Lot will present a safer parking environment as a departure from the traffic patterns customary in a commercial shopping center during the winter holidays. Raised concrete landscape median islands will be installed along the east side of the north -south road that serves as the western border of the General Parking Lot. Similar median islands will be installed parallel to the above median islands within the eastern portion of the General Parking Lot. To sustain healthy growth for planted trees, shrubs, and groundcover materials, the landscape medians will be connected to a water irrigation system. All parking lots will include landscape areas, to be built to City 26 June 20, 2000 Warner engmeenr La Quinta Arts Foundation Specific Plan standards. The site development permit applicant will include immediate landscaping of all row ends upon construction and, subject to a specific phasing plan provided by LQAF to the Community Development Department for approval, will include installation of landscaping along the parking rows. Upon City approval, the phasing plan will be implemented by LQAF in a timely manner. In addition to the basic traffic control function they will serve, the median islands will contain parking lot shade trees that will be equipped with low wattage fluorescent "up" light fixtures or similar fixtures that will be attached to tree trunks. It is anticipated that these lights will gently reflect light downward onto the parking lot areas as reflected from the under -tree branch canopy areas while minimizing any unnecessary glare, also serving as a festive decorative feature. As applied to parking lots, Section 9.100.150 of the La Quinta Zoning Code requires a minimum uniform 1 candle foot power. In addition to the "up" light fixtures noted above for the purpose of specifically meeting the City's minimum parking lot lighting requirements, low intensity lighting on permanent light standards and fixtures meeting City standards, are proposed for placement within the parking lot median islands. To minimize the illumination of adjacent properties, such as the adjacent Laguna de la Paz residential development and the nearby hillsides, low vertical light bollards or comparable height light fixtures will be equipped with prismatic lenses or other devices that will direct light downward. LQAF will submit for City approval a parking lot lighting plan with either the site development permit or grading permit, whichever occurs first. Since the General Parking Lot serves a dual storm water retention purpose, the bases for all ground -mounted light fixtures will be subject to occasional flooding that will cover the bases. Accordingly, the bases will be permanently mounted and sealed in a manner so as to not be affected by the surrounding retained water. Although it is anticipated that this parking lot lighting plan will provide sufficient lighting to provide adequate site safety for guests, LQAF volunteers, staff, and others attendants as assigned by LQAF will be available to direct traffic to the satisfaction of City public safety concerns. In order to achieve the minimum 50% tree canopy shade coverage, LQAF will comply with the requirements in Section 9.150. Pending construction of future permanent buildings, i.e. the Foundation building and the events headquarters building, a temporary 1,200 +/- square foot building module is proposed in the northwest corner of the south portion of the General Parking Lot to direct and to monitor site activities, as well as to coordinate fundraising efforts. The building exterior of the temporary module, that will serve as the temporary site development office, is anticipated to be similar in appearance as for shape and colors as the flat -roof classroom structures typically observed on many school campuses throughout the state. Placement of the temporary building module will comply with all applicable codes including ADA (Americans with Disabilities Act), building and fire department requirements. Placement of the temporary structure will be subject to City Community Development Department review for compliance with this Specific Plan as for specific placement, exterior elevations, and adjacent landscaping. In reference to 27 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan the phasing and implementation as presented in Section 6.0 of this Specific Plan, the temporary building module will be in place until construction of the permanent headquarters building. Festival Grounds The 4.4 acre Festival Grounds extend from the center of the project site to the south boundary of the property to accommodate up to 380 artists' spaces. The Festival Grounds will be surfaced with hybrid Bermuda grass, maintained via an automatic sprinkler systems, and replanted as needed. Temporary tent structures, averaging 10 to 12 feet in height, will be utilized by artists within the Festival Grounds to serve as individual display and sales areas. For LQAF and other activities on the Festival Grounds, the additional use of larger temporary commercial tent structures will be used. The finish pad level of the Festival Grounds is approximately 7 feet above the Washington Street frontage. To minimize visibility of the Festival Grounds and to buffer and mitigate transient sounds from potential impacts on the adjoining Laguna de la Paz residential development from events taking place within the festival area, landscape berms of 7.5 feet in height above the existing Laguna de la Paz perimeter block wall are proposed along the south side of the Festival Grounds. The grading permit application will include analysis which clearly demonstrates to the satisfaction of the City that the berming will provide adequate site line interruption to effectively reduce noise impact. During evening events at the Festival Grounds, in order to minimize transient light illuminating the adjacent Laguna de la Paz residential development and the nearby hillsides, light sources will be angled downward and will not be located within 50 feet from the southern property line shared with Laguna de la Paz. A 6 foot high "living wall" is proposed around the Festival Grounds for security purposes and to restrict access for visitors through the ticket building area. The living wall will be planted with vines or shrubs along a supporting 6 foot high chain link fence intended to convey the appearance of a continuous "living wall" to accentuate the natural setting in this proposal. The living wall around the Festival Grounds perimeter will direct attendees to enter and exit through the box office area. When entering past the Outdoor Sculpture Gallery and through the box office, foot traffic will be directed to either the Festival Grounds or to the Terraces. Fencing will also be installed along the west perimeter of the Festival Grounds that will be equipped with a series of decorative gates to accommodate artists' access into the Festival Grounds for the drop-off and pick-up of tents and items. Within the Festival Grounds area, power pedestals will be available to facilitate vendors' electrical power needs for the estimated 380 artists' spaces, thus eliminating the need for noise -producing portable generators. Pending construction of permanent restroom facilities within the Festival Grounds area, a prospective temporary restroom building location is shown on the site plan. The permanent location shows a freestanding building, approximately 1,500 square feet in size. The prospective location as reflected on the site plan is within the northeast corner of the Festival Grounds, located 28 June 20, 2000 Wai-i w engineering La Quinta Arts Foundation Specific Plan approximately 420 feet north of the south common property line with the Laguna de la Paz residential development, with the possibility that a second permanent freestanding restroom building may be needed dependent upon the level of activities on the site. Another permanent freestanding restroom building is proposed in the main entry area connected to the permanent events headquarters building. Temporary bathroom facilities as well as permanent restroom buildings will be located a minimum distance of 300 feet from north or south perimeter property lines. The ultimate size of the restroom buildings, number of toilet and urinal stalls, and compliance with ADA (Americans with Disabilities Act) requirements will be based on Appendix "C" of the Uniform Plumbing Code ("UPC"). When totally built -out the site will contain three (3) groups of restroom facilities in which one of the three will be contained within the future Foundation building. Based on UPC requirements, preliminary estimates provided LQAF by the Riverside County Environmental Health Department suggest a total of 21 toilet fixtures (13 for women, 4 toilets for men, 4 urinals for men, 1 each meeting ADA accessibility requirements) needed to accommodate a simultaneous attendance level of 1,200 and a total of 59 toilet fixtures (44 for women, 12 toilets for men, 13 urinals for men, and 2 each meeting ADA accessibility requirements) to accommodate a simultaneous attendance level of 9,000. Since the permanent bathroom buildings and facilities will be divided among three (3) locations, equates to approximately 20 bathroom fixtures per building. It is anticipated that at least two (2) of the three (3) bathroom facilities will be available for use when the annual LQAF Arts Festival or when activities at the Terraces are in progress, and if crowds are of sufficient size to warrant it, all three restroom facilities will be available. Based on 50 square feet per each of 20 bathroom fixtures per building will result in minimum restroom building square feet of 1,000 square feet. Therefore the 1,500 square feet noted on the site plan for each of the two freestanding bathroom structures, as a general estimate of size, shall be sufficient to meet minimum size requirements per each required bathroom fixture as per Uniform Building Code requirements. Until construction of the permanent restroom building, temporary restroom facilities will be placed on the site by LQAF (or other users) to facilitate the level of use anticipated for events, also restricting locations a minimum distance of at least 300 feet from the south property lines. The total number of restroom facilities setup will be dependent upon the anticipated attendance for the type of event planned. Placement of the temporary vendors' tents and temporary restroom facilities will be subject to compliance with customary building and fire inspections and subsequent requirements as established by the City of La Quinta, and until such time as permanent restroom facilities are constructed, all minor use permit applications will include a site plan which identifies the specific locations of all temporary restrooms. Additionally, public drinking fountains will be placed within accessible areas of the Festival Grounds and elsewhere on LQAF site reflective of the number needed to facilitate the level of attendance expected. Consistent with established LQAF recycling efforts, to accommodate trash that is accumulated during festival activities, recycle and trash bins will be located throughout the Festival Grounds area. These bins will be clearly identifiable, but understated so as to not dominate the ambiance of events. Bins 29 June 20, 2000 Warner _' engineering La Quinta Arts Foundation Specific Plan will be placed for easy accessibility and use, utilizing plastic covers to prevent trash from blowing -out, and to minimize attracting flies and insects to the site. Accumulated trash, debris, and recycled items that are collected on the grounds will be gathered (as necessary to prevent overflow), and deposited in permanent trash enclosures, with the recyclables separated. Permanent trash enclosures will be situated within close proximity of the Festival Grounds and other areas of LQAF site, and designed to architecturally integrate with the style, colors, materials, and finishes of permanent buildings. Visibility of trash enclosures will be softened with screening provided by landscape shrubs and vines. The ultimate sizes of the trash enclosures and the frequency of garbage pick-up will be based on recommendations by the disposal company to minimize health concerns and odors. For ease of access for pick-up of collected garbage and debris from the dumpsters located within the trash enclosures, the enclosures will be situated in easily assessable areas to accommodate large trash collection vehicles. The trash enclosures will be constructed according to City specifications with masonry block materials (architecturally integrated as noted above), six (6) feet high, and designed with decorative double sets of larger metal gates across the fronts with door swings that do not open into roadways, and remain locked, except for days scheduled for trash pick-up to prevent unlawful dumping. Consistent with LQAF's emphasis on recycling, portions of the trash enclosures will also serve as a consolidation area for recyclables that are regularly collected on the site from specially identified recycling containers. Since portions of the site will be gated and locked for security purposes when the site is not in use or due to ongoing off -limit events, either the disposal company will be provided access codes or keys, or LQAF groundskeepers will open the gates. The trash enclosures will be equipped with separate metal -gated man doors located to the side or rear of the trash enclosures to accommodate ease of access for hand -carried dumping of garbage bags, and to minimize any problems of wind blowing debris out of the dumpsters. The interior of the trash enclosures will include 8 inch high and 8 inch deep "Boston rails" intended to stop dumpsters from knocking interior trash enclosure walls. In front of the trash enclosures in areas that correspond to the large gate locations, 6 inch thick concrete aprons will be installed a minimum 10 foot depth so as to minimize damage from the weight of the dumpsters from gouging an asphalitic surface. For better integration into the site, dependent upon City Fire Department determinations, LQAF will attempt to design the trash enclosures so that they are physically connected to the permanent buildings if they are within near proximity of any permanent structures. Two (2) permanent trash enclosure structures are proposed on the site — one physically attached to the west side of the (permanent) bathroom building/events headquarters building within the main entry area, and connected to the future Foundation building, or within close proximity when constructed. These two locations were selected due to their (1) centralized location on the site, (2) their accessibility to the perimeter road for unencumbered access by large trash collection vehicles affording opportunities for easy turn -around, (3) in locations that would remain inaccessible to prohibit illegal dumping due to the perimeter road access gates being locked, and (4) their significant distance from the neighboring Laguna de la Paz. 30 June 20, 2000 = Warmer engineering La Quinta Arts Foundation Specific Plan As is customarily done by LQAF, paramedics and/or other trained personnel will be available on-site during all major events to accommodate resolution of any emergency or life-threatening situations and will comply with the special events requirements as specified by the Riverside County Health Officer. The overall LQAF site has been designed to accommodate ready -access to all areas and functions of the site. Ambulance or other emergency vehicle response will arrive at the main circular turn- around area that is in front of the Outdoor Sculpture Gallery that connects directly east to Washington Street via the main approach. The main circular turn -around area is within close access to the Festival Grounds via the box office building. An alternative emergency access route will utilize the perimeter road connecting from the Artists Parking Lot cul-de-sac along the west side of the future Foundation building and connecting to Washington Street. During periods of storms and resulting inundation or very wet conditions, the retention areas will be vacated. Artists' Parking Lot The Artists' Parking Lot is proposed in the southwest portion of the site facilitating approximately 261 vehicles. The available parking area for the artists' vehicles is approximately 72,000 square feet. Based on an approximate 275 square feet allocation per vehicle parked in close proximity to one another, provides space for 261 vehicles. This parking area is expected to facilitate most of the parking needs for participating artists, with abundant parking located elsewhere on-site within close proximity if needed. There are an additional 178 designated parallel parking spaces proposed along internal roads, including the east side of the perimeter road that cul-de-sacs to the Artists' Parking Lot, which is located immediately east of the Artists' Parking Lot. If, for any reason additional parking is needed, all parking throughout the site is available. Although parking for the Artists' Parking Lot is intended to be stacked similar to other parking areas elsewhere on LQAF site, LQAF volunteers and staff, and professional traffic directors will be available during the time of arrival by artists to direct arriving and departing artists' vehicles to help maximize available parking space. As applied to all parking areas and as noted in the General Parking Lot section above, the Artists' Parking Lot will have "No Overnight Parking" signs posted. Additionally, artists' vehicles will not be allowed to idle, or to operate generators. The 261 parking spaces as noted above for the Artists' Parking Lot were derived based on a parking layout, not shown on the site plan, that nonetheless maximizes the available parking and meeting the City's parking standards as close as possible. Although as noted earlier in this Specific Plan, the Festival Grounds will accommodate a total of 380 artist's booths. LQAF's extensive experience from previous annual LQAF Art Festivals reflect artists arriving together on the site in the same vehicle rather than in multiple vehicles. However, as already noted, if additional parking is required, 43 paved parking spaces will be available close by along the west side of the Festival Grounds and another 178 paved parallel spaces along the site's interior streets to accommodate any additional parking needs from the Artists' Parking Lot. Since this area will also serve as a storm water retention area, the Artists' Parking Lot will be depressed approximately 2 to 3 feet below grade (2 feet below the top of footing 31 June 20, 2000 = Warner engineering La Quinta Arts Foundation Specific Plan of the adjacent 6 foot high wall that serves as the northern perimeter of Laguna de la Paz). The 2 to 3 foot below grade difference will serve to minimize visibility of artists' vehicles and to mitigate sound with respect to nearby residents at Laguna de la Paz. Similar to the General Parking Lot, this parking area will use either a treated natural subbase or optionally utilize the same decomposed granite ("DG") parking surface as previously described in detail for the General Parking Lot, which is designed to accommodate high vehicle traffic areas to minimize dust while creating a firmer surface without interfering with anticipated storm water percolation rates. In order to illuminate the Artists' Parking Lot, LOAF proposes the use of light standards equipped with low intensity lighting elements meeting City standards situated as necessary to meet the minimum parking lot candle foot illumination as required by the City's parking ordinance. Consistent with other low intensity lighting to be used elsewhere on the site, lighting will be angled downward so as to not illuminate nearby properties, such as the adjacent Laguna de la Paz residential development and the nearby hillsides. Additionally, the landscape buffer area along the south side of the Artists' Parking Lot will be designed with substantial landscape berms where perimeter trees and shrubs will be planted, further reducing visibility of artists' vehicles. A cross-sectional study (Reference Exhibit 6) illustrates that even if no landscaping were installed within this area, that since the Artists' Parking Lot is depressed, there will be limited visibility of artists' vehicles from the rear yards of the adjacent homes at Laguna de la Paz. This area will primarily be accessed from a perimeter road extending from the secondary (northerly) drive approach from Washington Street. The location of the Artists' Parking Lot in a distant area of the site provides a higher level of security for vendors, artists' equipment and wares while accommodating close accessibility to the adjacent Festival Grounds located to the east of the Artists' Parking Lot. Outdoor Performance Venue the "Terraces" An outdoor performance area, referred to as the "Terraces," with a 2,400 seating capacity occupying approximately 1.6 acres, is proposed south of the proposed Foundation building and west of the valet parking lot and drop-off area to be developed in conjunction with construction of the 4.4 acre Festival Grounds. The Terraces will extend approximately 25 feet above the center of the adjacent Washington Street, consisting of 7 grass -sculptured tiers with 6 of the 7 tiers rising approximately 3 feet (with a maximum 3:1 slope). The individual tiers will be deep enough to accommodate placement of tables and chairs. Access to the tiered Terraces seating will be immediately north of the box office entrance. The walking surface will be grass along each side of the arena to access individual tiers and to the VIP seating area to be located above the top seating tier that will also be accessed from the south side of the future Foundation building site. 32 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan As addressed above within discussion of the Festival Grounds, LQAF site has been designed to accommodate ambulance or other emergency vehicle access to all portions of the site. Consistent with a medical response plan that is coordinated with the Fire Department, LQAF will have trained staff present on LQAF site that can implement it to accommodate any medical emergencies that may arise. The availability and number of paramedics will be dependent upon the level of activities and attendance anticipated at event venues. Emergency paramedic access to the Terraces will be from the main { Washington Street approach leading to the vehicle turn -around area in front of the I Outdoor Sculpture Gallery or through the service delivery area along the east side of the outdoor Terraces, or, utilizing the perimeter drive approach that eventually connects to the Artists' Parking Lot, along the west side of the Terraces. Valet Drop -Off Area and VIP Parking Lo The Valet Drop -Off Area and VIP Parking Lot is located directly east of the Terraces separated by the loading/unloading area. This parking lot, which will be asphalt paved, will facilitate the convenience needs of visitors including visiting VIPs and most parking for individuals with physical disabilities. A total of 140 paved parking spaces are provided in the VIP Parking Lot. Access to the VIP Parking Lot will be from either of the two drive approaches into the site. After being dropped -off in the VIP Parking Lot, visitors will be able to access the Terraces to the west entering near the lowest portion of the Terraces. This pathway will accommodate ADA (Americans with Disabilities Act) accessibility requirements. When the future Foundation building is constructed, permanent paved walk access up from the VIP Parking Lot to the "Building Pad" will be installed. As noted above, handicap access to the finished pad of the future Foundation building will be possible from the western perimeter road utilizing, if needed, temporary ADA compliant parking spaces along the perimeter road near the top of the Terraces. As for parking space size in the VIP Parking Lot, since parking on this lot will primarily be valet assisted, LQAF anticipates that the 24 foot wide drive aisle to access opposite parking rows will be sufficient in lieu of the 28 foot drive aisle width as specified in the City's parking ordinance, that incorporates 11 foot wide end parking stalls as per City parking lot development standards. The parking space depth of 17 feet complies with the City's requirements for vehicles utilizing a continuous concrete curb as a wheel stop overhanging a sidewalk or landscape median. Similar lighting methods are proposed for the VIP Parking Lot as presented earlier in the Specific Plan for the General Parking Lot. "Terraces" Loading/Unloading Area This area is accessed through the valet parking lot and is located along the east side of the Terraces. The loading/unloading area is a drive aisle specifically created to facilitate ease of equipment drop-off and loading to the stage area for performances at the Terraces. A 6 foot high chain link fence planted with vines, similar to the living wall 33 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan planned in the Festival Grounds area, is proposed along the west side of the loading/unloading drive aisle to screen the Terraces from activities in the VIP Parking Lot and the loading/unloading aisle, which may be distractive. Outdoor Sculpture Gaper An Outdoor Sculpture Gallery is proposed leading to the main pedestrian entrance to the ticket building area. Situated immediately adjacent and east of the box office, this reception area will accommodate a tree -canopy shaded passageway and waiting place for those entering the Festival Grounds or the Terraces. The area will be furnished with picnic tables and landscape benches to provide a tranquil environment for visitors waiting to enter the grounds. A large collection of sculptural pieces of art will be concentrated within this area. It is expected that the sculptural pieces to be placed will be weather tolerant, with some placed on pedestals and others situated on the ground within the surrounding landscape areas. The placement outside of the box office will afford visitors the opportunity to view "close-up" work of local and visiting artists. As noted earlier regarding the main entry area, the Outdoor Sculpture Gallery will work in conjunction with the main entry area as a passive public neighborhood park area that will remain as an accessible area for the public when access to other areas of the site are blocked for security purposes when these portions of the site are not in use, or when use is restricted during scheduled events. Consistent with the conceptual location for a neighborhood park within the general area of LQAF site as presented in the policy diagram maps of the General Plan Park and Recreation and the Open Space Elements, this area will essentially serve as a passive neighborhood park. Main Entry Area After passing through the main Outdoor Sculpture Gallery, guests will pass through the box office building into the main entry area. The main entry area is situated between the Terraces to the north and the Festival Grounds to the south. The box office will be a freestanding building situated at the western perimeter of the Outdoor Sculpture Gallery and the adjacent circular turn -around area that connects easterly from Washington Street. The box office building, approximating 1,300 square feet in size, will serve as the central control point of access for most, if not all, site functions at the Terraces or the Festival Grounds. The architectural design of the box office will echo the overall design theme of the site. Also shown on the site plan for this area are tentative locations for future facilities including public restrooms and an events headquarters. Similar to the restroom building located in the Festival Grounds, this restroom building is tentatively proposed as a 1,500 square feet structure, and is tentatively shown physically connected to the 1,500 square feet events headquarters building. This combined freestanding building is situated about 600 feet west of the box office building and about 100 feet west of the western perimeter road. As referenced in the "Festival Grounds" description in this section, a permanent trash enclosure is proposed to be constructed attached or nearly adjacent the restroom building. The trash enclosure will be situated along the west side of the restroom building with doors opening west with 34 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan paved access to the western perimeter road that permits unencumbered access by waste disposal vehicles. Since the locations of these buildings are tentative, their precise location are subject to change, dependent upon determined needs. As with ` all other temporary and permanent buildings, the locations and specifications of these buildings will be subject to compliance with customary City building and fire department requirements. Native American Memorial Future development of the site will include the design and construction of a memorial for public education purposes to showcase the prehistoric and historic culture of the Cahuilla Indians, to be located within the northwest corner of the site. This memorial will be developed in cooperation with North American local tribes and bands. Access to the memorial will be via a pedestrian path only, connecting from the perimeter road to a flat terrain gathering place. Future Foundation Building and Adjacent Parking Area A proposed building site is being left available for construction of a future Foundation building of not more than 60,000 square feet of gross floor area, regardless of the number of stories on a central raised portion of LQAF site consisting of approximately 2.5 acres. It is anticipated that this building pad for the future Foundation building will contain museums, artists' studios, galleries, classrooms, lecture halls, an art library, administration, volunteer, and staff workstations. As noted in the "Festival Grounds" description, a permanent trash enclosure will be constructed in conjunction with construction of the future Foundation building. A parking lot consisting of 110 paved parking spaces will be constructed in conjunction with the future Foundation building. Although concurrent use of all available space within the future Foundation building is not anticipated, the use of parking located elsewhere on the site (968 within the General Parking Lot, 140 in the VIP Parking Lot, and the 178 on -street parallel parking spaces) will be available to accommodate all required parking to meet or exceed Zoning Ordinance parking requirements. Integration with the Laguna de la Paz Residential Development The existing Laguna de la Paz residential development lies immediately south of the festival site and is separated by an existing block wall running east and west measuring approximately 6 feet in height and belonging to Laguna de la Paz. The wall borders the north side of the subdivision (and the south side of the project area). Since the pad heights of the Festival Grounds are approximately 5 feet higher than the Washington Street frontage, to further mitigate migration of sound from and visibility of festival ground activities from impacting Laguna de la Paz residents, the meandering width of the landscape area along the south side of the Festival Grounds have soil berms measuring 7.5 feet above the Festival Grounds. For additional sound and visibility 35 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan mitigation purposes, the General Parking Lot that front Washington Street are lowered approximately 2 to 3 feet below Washington Street with 3 to 4 foot high berming within the landscape area bordering both Washington Street and in areas of the General Parking Lot that border Laguna de la Paz. Also serving as a storm water retention area, the Artists' Parking Lot will be depressed 2 to 3 feet below grade. As noted earlier in this report, surrounding the south side of the Artists' Parking Lot adjoining Laguna de la Paz, the landscape area of the Artists' Parking Lot will incorporate substantial berms to mitigate visibility of this area and for sound buffering purposes. All perimeter berms will be decoratively landscaped with desert -hardy groundcovers, shrubs and trees. 36 June 20, 2000 Warm engineerng La Quinta Arts Foundation Specific Plan Summary of Maximum Building and Proposed Parkinq for LQAF Site by Area The following Table 4 summarizes the maximum building square footage and parking planned when LQAF site is totally built -out: • TABLE 4 • Maximum Building and Proposed Parking by Area Area of LQAF Site Maximum Potential Building Square Footage Number of Parking Spaces Proposed 1,300 SF box office building. Main Entry Area No parking proposed 1, 500 SF restroom building 1, 500 SF (permanent) events headquarters building. _ General Parking Lot - North No buildings proposed. 619 (Unpaved surface) 349 (Unpaved surface) General Parking Lot - South 1,300 SF (Temporary) events headquarters building. 1, 500 SF restroom building. No parking proposed Festival Grounds No buildings proposed. 261 (Unpaved surface) Artists' Parking Lot No buildings proposed. No parking proposed Outdoor Performance Venue ("Terraces") (Outdoor seating for 2,400 - guests.) Valet Drop -Off Area and VIP Parking Leat No buildings proposed. 140 (Paved surface) No buildings proposed. "Terraces" Loading/Unloading Area No parking proposed re Gallery Memorial )n Building Internal Circulation (Parallel parking limited to perimeter road starting west of the northem portion of the General Parking Lot connect-ing west to the Artists' Parking Lot). Total Square Footage (For permanent buildings only) Total Parking Spaces (Not specifically calculating offsets for ADA and parking for oversized motor vehicles). June 20, 2000 No buildings proposed. No buildings proposed. Based on a maximum building square footage of 60, 000. No buildings proposed. 65,800 TOTAL SQUARE FEET (Total lot coverage: 5% based on a maximum 60, 000 SF for the future Foundation building). 37 No parking proposed No parking proposed 110 (Paved surface) to be built in conjunction with the future Foundation building 178+/- Parallel paved (based on approximately 2,250 Lin. Ft.) and 43 marked/paved spaces immediately east of the Artists' Parkin Lot - 293 (Paved/marked spaces) 1, 229 (Unpaved spaces) 178 (Parallel, on -street spaces) 340 (Spaces at church) 2,040 TOTAL PARKING SPACES PROPOSED Warner engineering La Quinta Arts Foundation Specific Plan Summa of Proposed Verses Required Parking for LQAF Site by Area The following Table 5 presents proposed parking on LQAF site utilizing the availability of adjacent parking at St. Francis of Assisi Church (when not interfering with church events) and City parking requirements when LQAF site is totally built -out: - TABLE 5 - LQAF Site Parking Availabil Proposed Function Festival Grounds ce Venue erraces" :ure Foui City Parking Requirements Per Function 380 spaces 1 1,090 spaces )er artist's booth; on parking space/2 2 Gallery, Library, Classroom, & Office Spacef 240 spaces (based on 1 parking space/250 SF) (Maximum 60, 000 SF gross floor area) Note: Required: 1,710 PARKING SPACES REQUIRED 2,040 PARKING SPACES PROPOSED (1, 700 spaces on LQAF site and 340 spaces at St Francis of Assisi at current capacity). Subsequent site plan design modifications provided additional on-site parking spaces in excess of the model as presented in the Traffic Study prepared by Krove Engineering, Inc., dated October 21, 1999. With the anticipation of 2.2 guests per motor vehicle entering LQAF grounds, it is anticipated that the 968 parking spaces available in the General Parking Lot would accommodate close to 2,130 attendees at concurrent functions. Counting the addition of 732 parking spaces also available on the site (totaling 1,700 parking spaces), utilizing the ratio of guests noted above, the site will be able to accommodate close to 3,740 guests concurrently. If a significant number of guests were to arrive to the site also taking into consideration the use of public bus transit and/or private tour buses for a major event or combination of events, it is anticipated that significant designated parking spaces would remain available with a concurrent attendance level at the site in excess of 5,000 guests. The availability of on-site parking (not including available parking at St. Francis of Assisi Church) therefore exceeds the required parking as specified within the approved mitigation measures to accommodate the peak hour of a major event with 1,200 persons in one hour, concurrent with an event a the Terraces with 2,400 attendees. The following Table 6 reflects a hypothetical scenario: 38 June 20, 2000 Warner engmeenng La Quinta Arts Foundation Specific Plan TABLE 6 • Attendance Levels and Trans rtation Modes to LQAF Site Mode of Transportation I Number of Guests Private Automobile on 2.2 passengers per car. Private Tour Buses SunLine Transit TOTAL GUESTS 1 3,300 1,000 1,000 5,300 Percentage of Total Guests at LQAF Site 62.2% 18.8% 18.8% 100.0% As per a reciprocal parking agreement with St. Francis of Assisi Church, when not conflicting with church activities, guests for activities at LQAF site may utilize the church's current temporary parking lot. In reference to the parking standards noted in Section 9.150 of the City of La Quinta Zoning Code, LQAF determined compliance with City requirements for required off- street parking spaces based on "places of assembly not specified elsewhere" as specified in Table 1502 (of Section 9.150 of the Zoning Code). This section specifies: "1 space per 3 seats within the main auditorium and 1 space per 25 sq/ft GFA [gross floor area] within the main auditorium where there are no fixed seats, plus required parking for other uses on the site. " Apart from the annual four-day long LQAF Arts Festival, LQAF does not anticipate a greater intensity of use of LQAF facilities above these projections based on concurrent maximized seating use of the Terraces and the largest assembly room within the future Foundation building. It should be clarified that attendance figures for major events at the outdoor Festival Grounds as presented earlier in this Specific Plan project averaging 9,000 attendees per day when the facility is open to the public for 16 hours between the hours of 8:00 A.M. and 12:00 midnight. Considering lower numbers of attendees customary during the earlier and later hours of the annual LQAF Arts Festival, it is expected that peak hours of attendance would occur in mid-day since the event takes place in spring months when temperatures are generally milder than summer months when such events draw the largest numbers of, attendees in early morning and early evening hours. In consideration of meeting sufficient parking needs, attendance during the annual LQAF Arts Festival is projected based on the following schedule as presented in Table 7: 39 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan TABLE 7 - Annual LQAF Arts Festival — Houi sof Operation Ave 8:00 A.M. to 9:00 A.M. 9:00 A.M. to 10:00 A.M. 10:00 A.M. to 11:00 A.M. 11:00 A.M. to 12 Noon 12:00 Noon to 1:00 P.M. 1:00 P.M. to 2:00 P.M. 2:00 P.M. to 3:00 P.M. 3:00 P.M. to 4:00 P.M. 4:00 P.M. to 5:00 P.M. 5:00 P.M. to 6:00 P.M. 6:00 P.M. to 7:00 P.M. 7:00 P.M. to 8:00 P.M. 9:00 P.M. to 10:00 P.M. 10:00 P.M. to 11:00 P.M. 11:00 P.M. to 12:00 Midnig AL DAILY ATTENDANCE U Number of Guests No. of Guests in Attendance 250 300 650 750 900 1.000 1,000 900 700 500 4_00 200 150 ittif 9.000 As earlier calculated, based on 2.2 guests per motor vehicle attending the annual LQAF Arts Festival, a total number of 545 parking spaces would be utilized at the time of day of maximum attendance between the hours of 2:00 P.M. and 3:00 P.M. As previously noted, if additional parking is required, an estimated 340 additional parking spaces will be available at the adjacent church parking lot to accommodate any overflow parking that may be required. LQAF's intention is to have available the use of all parking areas on the site, rather than specifically limiting parking per each individual function. Accordingly, as per the City parking requirements, the required 240 parking spaces for the future Foundation building (based on a maximum 60,000 square foot in gross floor area) will be accommodated utilizing the approximate 110 parking spaces proposed for the future Foundation building parking lot, with the availability of additional parking situated elsewhere on the site. Based on all anticipated maximum concurrent uses on the site as projected, less parking than required by the Zoning Code is anticipated to be used, but nonetheless will remain available. 2.1.3 Architecture, Landscape and Irrigation LQAF has established a set of design guidelines to shape the architecture and landscape to be reflected throughout the overall site development. The underlying objective is to produce a sense of identity — one that is unified but still diverse — to create architecture and landscapes that celebrate and enrich the heritage of the area, the ingenuity of the people that characterizes the dynamics of the area, as part of the ongoing history of La Quinta and the region. 40 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan 2.1.3.1 Architecture A coordinated architectural style is proposed for all buildings on site. With exception of ancillary buildings on the site (i.e. the box office and restrooms), the future Foundation building will be constructed on a portion of a 2.5 acre pad with a building height approximately 28 feet above the center of the parallel portion of Washington Street. The tallest portion of the future Foundation building, in the form of a campanile or other architectural feature that will serve as one of the main focuses of the site, will extend a maximum of 50 feet above the top of the building pad, subject to prior approval by the City of La Quinta. Inclusive of this special architectural projection, no more than 20 percent of the future Foundation building will exceed the 28 foot maximum height as permitted in the RL Zone. The 28 foot building height for the major portion of the building will be calculated based on Figure 505 of Section 9.50.050 of the La Quinta Zoning Code, which defines the vertical distance from finished grade adjacent to the exterior walls at a vertical distance equal to the specified maximum height from an imaginary parallel plane above the building site. The maximum 50 foot tall architectural projection will be subject to approval by the City of an analysis of bulk and mass, and a line of sight study through the City's site development permit process. Acceptable Architectural Elements, Building Materials and Finishes A choice of two (2) architectural styles with harmonizing materials and finishes are proposed for all proposed buildings and permanent site signage that will thematically be reflected throughout the entire site as per the following exterior design elements presented in Table 8: 41 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan • TABLE 8 le Architectural Elements, Buildi Architectural Element Design Objective (Adoptive to the land, sensitive to the climate, integration of indoor and outdoor living style.) Design Elements Decorative and/or Artistic Elements (Including colonnades, outdoor furniture ) Roof Forms and Materials (Steep overhangs, large sheltering forms to be the dominant elements of the building ) Building Walls (Thick, insulating, protective.) Doors and Doorways June 20, 2000 Materials and Finishes California Traditional Contemporary Style Style Sensitive to the history of the Architectural styles that are area; simple, practical, straight- innovative, incorporating forward, reflective of the limited elements reminiscent of availability of materials. successful neo -modernist designs found elsewhere in the Coachella Valley. (1) Building placement and form which responds to the sheltering/ shading function of surrounding landforms. (2) No more than 20% of the total ground floor square footage of the Foundation building will exceed 28 feet high (to accommodate second story and/or campanile or other architectural feature), subject to City analysis of bulk and mass, and a line of sight study through the City's site development permit process. (3) Strong integration of building and landscaping throughout the use of designs which soften the demarcation between indoor and outdoor spaces. (4) Articulation of building lines to add interest and contrast. Use of decorative wrought iron, Smooth metal railings, sculptures brass, copper used for thematic with exterior low fastenings, railings, windows, intensity light fixtures and other shutters, and lamps; patios, outdoor fixtures designed to fountains, verandas, bas relief, angle light downward to minimize wood gates with stone columns. transient light. Subtle colors that subordinate to Colors that thematically contrast and blend with the surrounding with the surroundings, proven landscape features- successfully in other large projects in the Coachella Valley. Clay tile; durable, fireproof Anodized copper appearance, materials and/or heavy (concrete standing seam, flat roofs with tile) shake with shallow pitches occasional sloped roofs reflective no shallower than 3:12; no of a modern style. steeper than 8:12, hipped or gable ends, with flat roof areas and parapets, with decorative motifs. Stucco, bas relief, naturalized stone, brick masonry elements, tile "plant -ons" murals. Wood (or simulated wood) doors (weather treated), shaded and well-proportioned designed to create welcoming entries; use of strongly expressed arches and lintels. 42 Massive arching/curving elements integrating/connecting with roof elements; seamed stainless steel or other metal walls with vertical elements; glu-lam beams Thick glass doors with optional integrated brushed stainless steel elements. Warner engineering La Quinta Arts Foundation Specific Plan • TABLE 8 - (Continued) - ble Architectural Elements. Building Materials and Finishes Architectural Element (Recessed to minimize direct solar gain or shaded by project- ing roof overhangs; handsomely proportioned, optimizing views.) Carpentry (Integrated into the building design to maximize sun Low Walls and Retaining Walls (Matching the materials of the building and terraced to match with ground contours, with occasional planting pockets.) Driveways and Sidewalks (To serve as transitions from the auto environment to the pedestrian environment.) Permanent Signage (Monument sign(s) exterior illuminated matching the materials of the building and the walls) Lighting (Designed to preserve night-time ambiance and night skies using cut-off elements and indirect lighting sources to minimize illumination of the adjacent Laguna de la Paz residential development and the nearby hillsides.) California Traditional Contemporary Stvle I Stvle Refined carpentry (weather- Large window expanses to treated), incorporating multi -pane maximize view of scenic vistas. windows, situated to maximize wood, tile, or stucco background view of surrounding scenic monument sign. vistas. internal directional signage will architecturally match the buildings Refined and proportional balconies and verandas incorporating rough -sawn weather -treated wood elements. Situated to maximize visibility of surrounding vistas, blending in with the natural setting. lantern style with low -intensity Incorporating graceful arches, When not integrated in the columns, overhangs, creating building design, projecting roof shaded, covered outdoor overhangs. walkways. Wrought iron, stucco, inlaid Metal railings with optional stones, rocks, brick, glass blocks. integrated smooth marble, slate, or other stone or simulated stone product. Special paving, i.e. natural stone, with occasional in -laid tile ornamentation, masonry, colored/stamped/textured concrete (i.e., "Bomanite"). Substantial natural rock bases Integration of metal lettering matching buildings and walls, affixed to a contrasting metal, incorporating wrought iron and wood, tile, or stucco background metal designs. monument sign. Entrance signage off of the Washington Street frontages and all internal directional signage will architecturally match the buildings and either be non -illuminated, back -lit, or externally illuminated. Traditional decorative wall- Indirect low intensity lighting mounted and pole wrought iron designed to reflect light from lantern style with low -intensity walls and other surrounding wattage. surfaces. Undesirable Architectural Elements, Building Materials and Finishes To assure a continuity of acceptable and desirable architectural design elements, materials, and finishes, LQAF determined that the use of a number of undesirable or inappropriate materials should be minimized or not used. The following presents a number of areas identified, with clarification offered as to viable alternatives: • Utilizing back -lit or exterior illuminated signs instead of pan -channel, box, or cabinet signs. 43 June 20, 2000 = Warm engineering La Quinta Arts Foundation Specific Plan Glass and window glazing may be coated or tinted to control solar heat gain, but a mirrored appearance is not acceptable. • No reflective roof materials. No manicured or ornamental plantings except in defined areas. No mansard roofs. • No visible roof -mounted equipment, unless grouped and concealed in structures that are an integral part of roof and/or wall designs. • Flashing, gutters, and downspouts to be minimized; if used, to be of durable materials, i.e., copper which will weather to colors that blend with adjacent walls and roofs. If used, skylights and solar panels are to be located, detailed, and/or screened, so that reflections from their surfaces are not visible either from on-site or off-site. a No color lights, except as temporary event and holiday decorations. • No parking lot, festival ground, or lighting placed elsewhere on the site that creates bright glares or illuminates evening skies, the nearby hillsides, or the adjacent Laguna de la Paz residential development. • Mixing of cladding materials, unrelated to structural expression are to be avoided. Where different materials adjoin, there should be a clear break in the plane of the surface. Stones used for walls and/or foundations to be designed with a structural appearance rather than a veneered look. Natural bedding planes are to be laid horizontally and horizontal and vertical joints should be frequently interrupted. 2.1.3.2 Landscape The objective of LQAF's approach to the site and building design will be to harmoniously incorporate "human settlement" with nature into a healthy sustainable ecosystem, by blending with the natural setting and responding to the climate. The landscaping of the site will incorporate native and non-native desert -hardy plants and trees to present a memorable lush appearance reflective of not only the unique and inviting architecture of the buildings, but also typically found in some of the Valley's most popular destination points. The provision of natural tree canopy shaded areas to provide solar protection will be achieved by the generous planting of trees as well as to serve as another means to differentiate and define various areas of the site. Native boulders will be incorporated into the site landscaping, including around the main entrance, to add a natural appearance to integrate with the adjacent mountains that flank the site to the west. Trees and shrubs within the berm areas along the south side of the project site will serve as an additional visual buffer between the Artists' Parking Lot, the Festival Grounds, and the southern portion of the General Parking Lot from the adjoining homes located south within the Laguna de la Paz residential development. Specific to areas located along the western property line, to better transition to the adjacent natural terrain, landscape materials will be limited to native plants only. As viewed from Washington Street, there will be a 20 to 30 feet wide landscape parkway with berms extending across the entire site frontage adjacent Washington Street and parts of the public right-of-way. These areas will be planted with shrubs, groundcovers, and shade trees to partially shade the meandering eight (8) foot wide sidewalk/bike 44 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan path, with the intent to visually buffer the main parking lots (Reference Exhibit 2-13). Prior to the start of work, the landscape, irrigation, and grading plans will be subject to review and approval to the Coachella Valley Water District. Reflective of the types of plants that thrive in the Coachella Valley, the following Table 9 - Conceptual Landscape Palette presents the varieties and sizes of proposed landscape materials to be used throughout the site: SYMBOL ACA ASM _ • TABLE 9 - Conceptual Landscape Palette BOTANICAL NAME COMMON NAME ••• TREES ••• ACACIA ANEURA MULGA TREE ACACIA SMALLI SWEET ACACIA , SIZE 15 GAL — 24" BOX 15 GAL — 24" BOX REMARKS NOTE 1: 24" 1 5" MIN 1 5" AST ACACIA STENOPHYLLA SHOESTRING ACACIA 15 GAL — 24" BOX CALIPER; 15 CDM CERCIDIUM HYBRID 'DESERT MUSEUM' DESERT MUSEUM PALO VERDE 15 GAL — 24" BOX GAL—MIN 1" CALIPER. CF CERCIDIUM FLORIDUM BLUE PALO VERDE 15 GAL — 24" BOX NOTE 2: CHI CHILOPSIS LINEARIS DESERT WILLOW 15 GAL — 24" BOX TREES IN PARKWAY & LY LYSILOMA THORNBERI FEATHER BUSH 1S GAL — 24" BOX PERIMETER OT OLNEYA TESOTA IRONWOOD 15 GAL — 24�� BOX TO AREAS BE 60% 24" - 2 PRA PROSOPIS ALBA 'COLORADO' COLORADO MESQUITE 15 GAL — 24" BOX BOX & 40% - PTE PITHECELLOBIUM FLEXICAULE TEXAS EBONY 15 GAL — 24" BOX 15 GAL. * * * PALMS ... _ CH -� CHAMAEROPS HUMILIS MEDITERRANEAN FAN PALM 24" BOX WF WASHINGTONIA FILIFERA CALIFORNIA FAN PALM 8 — 12' HIGH MIN. ••• SHRUBS ••• ATS ATRIPLEX SPECIES SALTBUSH 1 - 5 GAL BAL BAILEYA MULTIRADIATA DESERT MARIGOLD _ 1 - 5 GAL BL BOUGAINVILLEA 'LA JOLLA' BOUGAINVILLEA 1 - 5 GAL BOO BOUGAINVILLEA 'OOH LA LA' BOUGAINVILLEA 1 - 5 GAL BUM BUDDLDIA MARRUBIFOLIA BUTTERFLY BUSH 1 - 5 GAL CA _ CASSIA ARTEMISIOIDES FEATHERY CASSIA 1 -S GAL CAC CALLIANDRA CALIFORNICA BAJA FAIRY DUSTER 1 - 5 GAL CHM CHRYSACTINIA MEXICANA DIMIANITA 1 - 5 GAL CN CASSIA NEMOPHILA BUSHY SENNA 1 - 5 GAL COP CORDIA PARVIFOLIA LITTLE LEAF CORDIA 1 - 5 GAL CPU CAESALPINIA PULCHERRIMA RED BIRD OF PARADISE 1 - 5 GAL EF ENCELIA FARINOSA BRITTLE BUSH 1 - 5 GAL JSM JUSTICIA SPICIGERA MEXICAN HONEYSUCKLE 1 - 5 GAL JUC JUSTICA CALIFORNICA CHUPAROSA 1 - 5 GAL LAR LARREA TRIDENTATA CREASOTE BUSH 1 - 5 GAL LFR LEUCOPHYLLUM L. 'RIO BRAVO' TEXAS RANGER 1 - 5 GAL LFT LEUCOPHYLLUM C. THUNDERCLOUD' TEXAS RANGER 1 - 5 GAL LPT LEUCOPHYLLUM P.'SIERRA BOUQUET' TEXAS RANGER i - 5 GAL LZ LEUCOPHYLLUM Z.'CIMARRON' TEXAS RANGER 1 - 5 GAL 45 June 20, 2000 Wanner engineering La Quinta Arts Foundation Specific Plan • TABLE 9 - (Continued) Conceptual Landscape Palette SYMBOL BOTANICAL NAME COMMON NAME SIZE REMARKS MEA MUHLENBERGIA L'AUTUMN GLOW YELLOW DEVILS SHOESTRING 1 - 5 GAL MER MUHLENBERGIA L.'REGAL MIST' RED DEVILS SHOESTRING 1 - 5 GAL MRN MUHLENBERGIARIGIDAWASFNale DEER GRASS 1 - 5 GAL PEP PENSTEMON PARRYI PARRY'S PENSTEMON 1 - 5 GAL PES PENSTEMON SUPERBUS SUPERB PENSTEMON 1 - 5 GAL RK RUELLIA 'KATII' RUELLIA v tl 1 - 5 GAL SAN SANTOLINA CHAMAECYPARISSUS LAVENDER COTTON _ 1 - 5 GAL SC SIMMONDSIA CHINENSIS JOJOBA 1 - 5 GAL TC TECOMA STANS YELLOW BELLS 1 - 5 GAL TL TAGETES LUCIDA LICORICE MARIGOLD 1 - 5 GAL XCC XYLOSMA CONGESTUM 'COMPACTA DWARF XYLOSMA 1 - 5 GAL • • • CACTI + • • 4AC AGAVE AMERICANA CENTURY PLANT 5 - 15 GAL CE CEREUS PERUVIANUS PERUVIAN APPLE 5 —15 GAL 3-6 STEMS DL DASYLIRION LONGISSIMUM MEXICAN GRASS TREE 5 — 15 GAL DW DASYLIRION WHEELERI DESERT SPOON 5 —15 GAL EC ECHINOCACTUS GRUSONII GOLDEN BARREL CACTUS 12 —18" DIA EUM EUPHORBIA MILII CROWN OF THORNS 5 GAL FEB FEROCACTUS SP. RED BARREL CACTUS 12 — 18" HTS FS FOUQUIERIA SPLENDENS OCOTILLO 5' HT 6CANE MIN. HP HESPERALOE PARVIFLORA RED YUCCA I GAL HPY HESPERALOE PARVIFLORA 'YELLOW' YELLOW YUCCA 4 — 5 PADDLE CFI OPUNITIA FICUS-INDICA THORNLESS OPUNTIA 4 — 5 PADDLE OPC OPUNITIA CHLOROTICA PANCAKE PRICKLY PEAR 4 — 5 PADDLE OS OPUNITIA SP. 'SANTA RITA' PURPLE OPUNTIA 4 — 5 PADDLE VG— YUCCA GLORIOSA SPANISH DAGGER 5 —15 GAL YTO YUCCA THOMPSONII NCN 5 — 15 GAL YUB YUCCA BACCATA BLUE YUCCA 5 — 15 GAL ••• VINES ••. AN ANTIGONON LETOPUS QUEEN'S WREATH 1 GAL BBK BOUGAINVILLEA'BARBARA KARST' BOUGAINVILLEA 1 - 5 GAL CI CALLUWDRA INAEQUILATERA PINK POWDER PUFF 1 - 5 GAL MU MACFADYENA UNGUIS — CATI CAT'S CLAW 1 GAL PTV PITTOSPaORUN T. 'VARIEGATA' VAMGATED MOCK ORANGE 1 - 5 GAL Py PYRANCANTHA 'GRABERII' FIRETHORN 1 - 5 GAL RSB ROSA 'BANKSIAE' LADY BANKS ROSE 1 - 5 GAL • • • GROUNDCOVER • • • ACR ACACIA R. 'DESERT CARPET' I TRAILING ACACIA 1 GAL @ 5' O.C. ADS ANTIQUE GOLD DECOMPOSED GRANITE FINES (1/4" MINUS) FOR APPROVED EQUAL TO BE APPLIED AT A 2" DEPTH IN HIGHER TRAFFIC AREAS AND AT A 1.5" DEPTH IN LOWER TRAFFIC AREAS. 46 June 20, 2000 Warner z engneering La Quinta Arts Foundation Specific Plan • TABLE 9 - (Continued) Conceptual Landscape Palette SYMBOL BOTANICAL NAME I COMMON NAME I SIZE REMARKS AGG ANTIQUE GOLD GRAVEL (3/4" TO 2.5") FOR APPROVEE EQUAL - AFTER INSTALLATION OF DECOMPOSED GRANITE FINES, ANTIQUE GOLD GRAVEL IS TO BE HAND BROADCASTED IN OPEN AREAS BETWEEN PLANTS WITH A GREATER PERCENTAGE PLACED IN HIGH VISIBLE AREAS. DESIRED AFFECT TO BE APPROVED BY THE LANDSCAPE ARCHITECT A TIME OF INSTALLATION. BCH BACCHARIS P. 'THOMPSON' BACCHARIS 1 GAL a@ 5' O.C. CGP CARISSA G. 'PROSTRATA' PROSTRATE NATAL PLUM I 1 GAL a@ 4' O.C. HYDRO HYBRID BERMUDA # 328 - APRIL 1 - SEPT 31 OVERSEEDED WITH PERENNIAL RYE OCT 1 - MARCH 31 (FROM HYDROSEED) LAM LANTANA MONTEVIDENSIS PURPOSE PROS. LANTANA 1 GAL @ 5' O.C. LNG LANTANA 'NEW GOLD' SPREADM YELLOW LANTANA 1 GAL @ 5' O.C. OBM OENOTHERA BERLANDIERI MEXICAN PRIMROSE 1 GAL Ca) 4' O.C. RIGI 2.1.3.3 Irrigation MI&SIGYM For water conservation purposes, only automatic and drip irrigation systems will be permitted for landscaped areas, median islands, with automatic sprinkler systems for lawn areas. Landscape irrigation systems will be designed according to proven application methods and rates to minimize or eliminate potential runoff, and to operate at times when water evaporation is minimal due to the effects of wind and intense heat. The irrigation systems will be permanent, underground, automatically controlled, and adequate for establishing and maintaining plant materials while minimizing water requirements. Emphasis will be to install durable irrigation equipment with components that are easy to maintain, repair, or replace when necessary. Pop-up heads will be situated in such a manner so as to minimize overspray onto paved surfaces and non - plantable areas, and parking areas where calcium and mineral build-up can damage motor vehicles. Consideration will be given to minimize breakage and reduce maintenance costs for irrigation heads placed adjacent trails, walkways, streets, driveways and paved parking areas. The final landscape plan will provide for appropriate screening of various cable and electrical boxes where applicable, with the proposed planting plan subject to specific review during the City's site development permit process. Maintenance of the irrigation systems will be addressed as part of the Guidelines for Sustainability (Reference Table 12) as established for the project. Irrigation plans and equipment will be subject to review by the Public Works Director and the Coachella Valley Water District prior to installation. 47 June 20, 2000 Warner engineering n La Quinta Arts Foundation Specific Plan 2.1.4 Utilities The Coachella Valley Water District ("CVWD") has a 12 inch water main in the Washington Street right-of-way capable of providing for a looped local distribution r system to the project area. Gravity flow sewer collection by the CVWD is also feasible to mains and manholes located to the southeast without extensive off-site improvements. Electricity by the Imperial Irrigation District ("IID"), natural gas by the Southern California Gas Company, and telephone service by General Telephone are all available in accordance with Public Utility Commission rules and regulations. Desert Sands Unified School District public school facilities are also available approximately 1 mile east of the site. For major events, LQAF will contract for fire and sheriff services. 2.1.5 Specific Plan Boundary Adjustments With the exception of dedication of additional street right-of-way width along Washington Street, no boundary adjustments are proposed to accommodate the Specific Plan. 2.2 Land Use As noted earlier in this Specific Plan, the current zoning of the subject site permits the development of the proposal as already described, subject to separate approval of an application for conditional use permit. 2.2.1 Land Use Plan The proposed use consists of a multi -phase planned development with a permanent outdoor festival area that will serve as a gathering place for the world renowned La Quinta Arts Festival, as well as many other civic and cultural events. This Specific Plan establishes development standards for the entire site including integrated design for the Washington Street frontage. These standards will include consideration of building setbacks, architecture, lighting, landscape, public art, noise and storm water retention. 2.2.2 Development Standards The zoning development standards contained within the City of La Quinta Zoning Ordinance will be followed except where specifically modified by this Specific Plan. The City's design standards along the Washington Street frontage will be followed to be consistent with the General Plan. 48 June 20, 2000 Warrwr engineering La Quinta Arts Foundation Specific Plan F. 2.2.3 Grading Plan, Erosion Control, SWPPP/NPDES/PM10 2.2.3.1 Grading Plan All internal roads will be mass graded in a single phase. Pads will be established initially for the General Parking Lot adjacent Washington Street, the Festival Grounds, the valet parking area, the Artists' Parking Lot, the Terraces and the building pad for the future Foundation building, and the parking and drop-off areas adjacent the future Foundation building. It is the intention of LQAF that the architectural design of the future Foundation building will establish the "theme" of the site, therefore prompting the need to preserve its visibility. Prior to issuance of any grading permit for work on the site, LQAF will provide the City Community Development Department a copy of the written parking agreement that demonstrates reciprocal use of LQAF parking facilities and the adjacent parking area belonging to St. Francis of Assisi Church that limits the use of temporary church parking by LQAF attendees to times not interfering with church functions. Additionally, LQAF will furnish the City proof of easements or written permission, as may be required, from owners of any abutting properties on which grading, retaining wall construction, permanent slopes, or other encroachments are to occur. After grading of the building pad has been completed, to prevent water or wind erosion, landscape turf with perimeter trees and shrubs will be planted pending future construction. It is estimated that the total grading operation will move approximately 150,000 cubic yards of dirt and there will be a net balance on the site (without need to import additional soils onto the site). Exhibits 4-A and 4-13 depict the mass grading and hydrology concepts for the project, and the illustrations contained within Exhibits 5 and 6 depict the Washington Street cross section adjacent LQAF site and line of sight cross sections from the adjacent Laguna de la Paz residential development. The manufactured 2:1 slope area shown around the eastern perimeters of the future Foundation building pad will be graded as sculpted meandering stepped Terraces to appear as natural land articulations when finished and landscaped to appear aesthetically pleasing and to minimize erosion concerns. As per City requirements, slopes will not exceed 5:1 within public right of way and 3:1 in landscape areas outside the right of way unless otherwise approved by the City Engineer. Retention basin slopes will not exceed 3:1, with a maximum retention depth of six (6) feet. Grading plans, along with irrigation and landscape plans will be subject to review and approval by the Coachella Valley Water District. 2.2.3.2 Erosion Control The grading operations shall include adequate provisions for water and wind erosion control both during, as well as after, grading operations have ceased. The details of erosion control shall be included in the project's Storm Water Pollution Prevention Program (SWPPP) and PM 10 Plan. The following are minimum requirements for water and wind erosion control: 49 June 20, 2000 Warner engineering La Quints Arts Foundation Specific Plan O Prewatering — The site shall be prewatered to saturate the grounds a minimum depth of 3 feet prior to the onset of grading operations. • During grading — Once grading has commenced, and until grading has been completed, watering of the site and/or other treatment(s) determined to be appropriate shall be ongoing. + Post grading — All disturbed areas shall be treated to prevent wind and erosion control for the term that the area will remain undeveloped, even though it may remain undeveloped for several years. Wherever feasible, final landscape and irrigation shall be installed. 2.2.3.3 SWPPP/NPDES/PM10 Since the Coachella Valley experiences periods of moderate to heavy wind conditions, windblown dust and sand are a concern with mass grading operations, especially those areas in excess of 5 acres in size. Because of health concerns, the South Coast Air Quality Management District, in conjunction with the Environmental Protection Agency, has instituted a plan in the valley to curb excess PM 10 (small particle dust). The City also participates in the National Pollutant Discharge Elimination System ("NPDES") program. The grading concept for the project will entail a single phase of mass grading. The City of La Quinta requires SWPPP, NPDES, and PM 10 plans to control the wind and water borne erosion associated with such grading operations. The project will comply with the City's requirements relative to these programs. 50 June 20, 2000 Wanes engineering La Quinta Arts Foundation Specific Plan �" �, ' S �f R • `w` . �. ,\. I 1 �i'%� �, Ste-" ! ;� y� a,• .. 1 ct � � -. s ".. • IV 6` t +I + i' 1 FILI t 'AN€RICAN uE4ORW,f PARKING `�{ 1r > V { I ,(RETENTYpNDANO DEBRIS _ :% y✓ "� - @ASIN Cry •`� • ,. :'', r,f •` - r. • �, .r r Ir �cti'� _._� hri ���if+'1 1,1 - f `j�` - ,l � - F����� ^� �� R.m •49� ,� �� , 7 1+11 r r RFTAltdlttt wau E r TO alit- !fiinaArr AND DEBRIS •• a `� f-IMTCRa;€PTFON DRAIN i ' T \ :• .•1,r f` ,' ml.' - � -i ✓ - � m'�isE°inw .•,� ..iJJ�n r! _ �� - I _ SECTION A -A I IIII +1 r ,II��i1� 1 r ._ _ I I , • l , _ ,, I � "'r`~ . �� , Y . �--- y � »e o a r r•a• °'t• - , I4 mus. f.gmuae -i • T ^ :4 �, Cf)I fd 7,1 _{ � s• -.j T E E R f �, � , '• Cn 4 jt I :• ., 1f ars+ceF eEn� F1�TRY-. AREA�M1_ i BUILOINC ?.AR ,. `I' -�•w •cu . i 1 a Y mlc,.E oN-SrIE 4j i- plry x`. ` L u n roAc'raur PArgllkG([A LD 1 I SEMM 8-9 + 4 1 t I •l� L F +\ W ADJiI ENT PMHING) r2,15 AGRES 1 io rwi { { N F E S T I 'J A L G R O U N D S t - O TO (,R I - ' j : i1{1'. , (RETENTION BASIN -D.") 2 R,T O sal "4 s. ,;' *J P.o.se:o i:� ! x \ E 4 '?• rx w n I n nF re - as r LIMITS OF PAD �} .� 1' 1 wy 11 7Nf PAR 0 YALE DROP,-{lfx` AREA rL• r - MIME N t � ••4 i I,'f' �SECTION C—C fir} '7j'li "+cx,�«� ;• ff- I� Vj V .•c.u„ L �'.+ I i �] P P .R .KIN E O i • a; r � 1 �F 1 ' ,I l l�,•. l • ,=r C' j C .. BI1ttS�ilRdi6Ll ; I's • R (Y r r f' V I I •. • 'F '_",..�'+,i� , I -a ,� ,:o 5. � R '�7•'� `!E)6�— ,,ti- „' �+P� - - � �y ' LL- GRAPHIC SCALE 1 i II G E . P A K } LlD —' SCALE: I INCH = 50 FEET JjJ f R A -_Cr E N R A t 'P A dt_ I_?d _L O 4-•:,Jw.rEr¢. — _ +D+ _ ~ CONCEPTUAL -__ _._-- G—A• FN_G _ LA N� Rroo ..1 f ell - p1 1 1 - •� onlvf f r � •Ei..a .WM4 ^�,y. 1 l._i Y a1 ai .i ; x j I lrler 1 •a2 ' 'r a _ v Hi_ - ?REPARED By _- - - - _-- engineering s'1.�,A. 'iwe•ey +iprt;=f.. �d bd+i�a s vD, ..,. �.9.•�9.�,.,�N�»�,...O..,9�..a r f • • �• . • • . • ,. + * ' . . . . , • • _.r- ..� • . a " 4u,Eep[SEa; oU 932S,wff B+K bow 93281 .. , • • ~ • �. J .. - - 501 f - 5c1 lfi5 W -A S H L N G a N T EXHIBIT 4 -Ari Conceptual Grading Plan = engineering La Quinta Arts Foundation Specific Plan 3.0 CIRCULATION 3.1 Overview According to the Precise Alignment Map of Washington Street obtained from the City's Public Works Department, the right-of-way for ultimate widening from the existing 4 lane divided major street to a potential 6 lane divided limited access "major arterial" section is already dedicated along the northern two-thirds of the subject property frontage. Over 80,000 trips per day are projected for this segment of Washington Street equal to the future volumes on Highway 111 through La Quinta. As determined by the City, a similar 45 foot dedication will widen the right-of-way to match the existing right-of-way adjacent the northern portion of the development. This dedication will be accomplished in fulfillment with the conditions of approval as are developed for this proposal by the City of La Quinta. The City's "major arterial" design standard is a right-of-way of 120 feet with 96 feet outside curb to curb, an 18 foot wide raised median island, and 12 foot wide parkways on each side. Washington Street is also a "primary image corridor" which, according to Policy 3-4.1.2 of the Circulation Element, provides for special landscaped boulevard treatment within and contiguous to the street right-of-way, as well as other street furniture. Intersection treatment or themes, including special pavement, screen walls, and public art are also encouraged. Landscape setbacks of at least 20 feet are required by Policy 3-4.1.1 of the Circulation Element, which is incorporated within the proposed site plan. Policy 3-5.1.5 of the Circulation Element regarding transit turnouts, benches, and shelter are particularly appropriate for festival alternative transportation, as are bike and pedestrian facilities along Washington Street. As a designated bikeway corridor, Washington Street and Avenue 48 alignments are both expected to provide for paths or lanes denoted to bikes only, in each direction. Consistent with LQAF's efforts to accommodate transportation alternatives, conveniently located bicycle parking spaces, designed with security provisions in mind, will be integrated into the site. The two drive approaches into LQAF site do not align with streets perpendicular to Washington Street, including the controlled intersection at Avenue 48, which represents the south alignment of the subject site. Within the vicinity of the subject site, primary access to Washington Street from the east is from Avenue 48. Traffic with destinations to LQAF site turn north onto Washington Street from Avenue 48. However, the continuous center median on Washington Street precludes left turns directly into LQAF site. Traffic must travel north from Avenue 48 approximately one-half mile to U-turn at the Avenue 47 intersection, which signalized intersection has a dedicated left turn lane and left turn arrow. Policy 3.2.1.3 of the Circulation Element of the General Plan provides for a level of service ("LOS") "D" as an acceptable minimum standard for intersections, which may restrict access to Washington Street. Use of the Avenue 47 controlled intersection to permit U-turn movements appears to best accommodate access concerns to the site without potentially disrupting traffic within the area due to 51 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan placement of another traffic signal within the one-half mile distance between Avenue 48 to the south and Avenue 47 to the north. LQAF supports any decisions by the City of La Quinta to create a median break at the mid -point between Avenue 47 and Avenue 48 that would meet City standards requiring a minimum 1,200 foot distance separation. Taking into consideration the maximum anticipated use of LQAF site at any one time presently and an estimated 17.8% increase in ambient background traffic growth expected by 2001 if the project were entirely completed, the Traffic Study — "Final Report" assessed the feasibility of use of the site, consistent with LOS "D" subject to the ". recommendation that a traffic control officer be stationed at the two signalized intersections adjacent to the project site before and after Terraces events [and other major events]." The Traffic Study indicates later in the report that "The presence of a traffic control officer would facilitate the heavy left -turn and U-turn movements necessary to access the project driveways, precluding the need to reprogram the existing traffic signals." As illustrated earlier in the tables appearing in this document in Section 2.1.2, additional parking is needed to facilitate larger events at LQAF site in compliance with City parking requirements. Through a reciprocal parking agreement with the adjoining St. Francis of Assisi Roman Catholic Church, visitors to LQAF site will also be able to utilize the church's temporary parking lot, and visitors to the church will be able to utilize LQAF parking facilities. Prior to issuance of any grading permit for work on the site, LQAF will provide the City Community Development Department a copy of the written parking agreement that demonstrates reciprocal use of LQAF parking facilities and the adjacent parking area belonging to St. Francis of Assisi Church that limits the use of church parking by LQAF attendees to times not interfering with church functions. Access to the church's parking lot is through the controlled intersection at Avenue 47. Visitors to LQAF site will be able to enter and exit the church's parking lot through Avenue 47, resulting in fewer U-turn movements. Similarly, in this arrangement, those attending functions at the church will also be able to use LQAF parking lot. No reciprocal access drives or walkways directly connecting LQAF and church's site are proposed It is expected that LQAF visitors using the church's parking lot will utilize the newly installed meandering public sidewalk leading to the main approach entry that will have sidewalks installed on each side of the drive entrance. In reference to the listing of specific activities projected for LQAF site at maturity, as enumerated in Section 2.0 of this Specific Plan, annually it is estimated that the Festival Grounds will accommodate 5 major events, each lasting approximately 4 days, 5 medium size events, each lasting 2 days, and 25 minor events, each lasting 1 day. It is estimated that the Terraces will accommodate 5 major events, each lasting 4 days and 40 minor events, each lasting 1 day. Additionally, the future Foundation building galleries will accommodate 40 events annually, with over 135 educational events, with ongoing classroom events. 52 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan Due to policy changes occurring recently by various State and Federal environmental protective agencies, it appears that current General Plan requirements accommodating bike and pedestrian trail access to the Santa Rosa Mountains are being reconsidered. Various elements of the City's current General Plan identify general routes to accommodate trail access to a future community park in the Santa Rosa Mountains. To accomplish this, a special trail access dedication across the southern portion of LQAF site along the Avenue 48 alignment may have been a general requirement when the current General Plan was written in October, 1992. Due to these policy changes and the 10 year updating of the General Plan, it appears that limited points of access to the Santa Rosa Mountains are intended to controlled areas with time -of -year restrictions. In consideration of these issues, in fulfillment with the intent of the General Plan Park and Recreation Diagram map and Open Space Policy Diagram map, the Outdoor Sculpture Gallery that the main drive approach connects to, will serve as a passive public neighborhood park area that will remain accessible to the public when access to other areas of the site are not in use, or when use is restricted during scheduled events. Decorative meandering pedestrian sidewalks/bikeways and parkway landscaping extending across the entire project site frontage along Washington Street are also proposed in this project, to be installed concurrent with construction of the site. 3.2 Off -Site Circulation Plan The subject site will be primarily accessed from the southbound lanes of Washington Street with de -acceleration and acceleration lanes incorporated into the public road design. Two drive approaches are proposed onto Washington Street, both of which will accommodate all entering and exiting vehicle traffic. U-turn movements will be required for traffic to the site north -bound on Washington Street, U -turning one-half mile north at the existing controlled intersection at Avenue 47 that is designed with a dedicated left - turn lane. The main entrance from Washington Street, measuring 40 feet wide is located a distance approximately 580 feet north of the project's south boundary, which is also the terminus of Avenue 48 from east of Washington Street. A 36 foot wide secondary entrance, located approximately 25 feet south of the north property line accommodates parallel parking on one side. Both of these drive approaches will be right -turn in and right -turn out only. Turning right onto Washington Street south leads to the Avenue 48 intersection that accommodates left -turn and turn -around (full access) northerly. As noted earlier in this plan, a reciprocal parking agreement with St. Francis of Assisi Roman Catholic Church will permit the use by LQAF visitors of the adjoining temporary parking area north of LQAF site at times not interfering with church use. Similarly, within the terms of this agreement, those attending church functions will also be able to utilize LQAF parking lot. Access to the church's parking lot will be from the north from the controlled intersection at Avenue 47 that permits either north or south turns. 53 June 20, 2000 = Warner engineenr�c� La Quinta Arts Foundation Specific Pian 3.3 Public Transportation/Transportation Demand Management Line 70 of the SunBus system operated by Sunline Transit Agency transverses this section of Washington Street hourly between Calle Madrid in southern La Quinta to Country Club Drive immediately south of Interstate 10 from 6:00 A.M. to 7:00 P.M., connecting with other communities via Line 111 on Highway 111 every 25 minutes between 5:00 A.M to 11:00 P.M. and on weekends, every 50 minutes between 5:30 A.M. to 11:00 P.M. In addition to the construction of a bus turn -out lane along the Washington Street frontage of this site, as a part of the Washington Street parkway improvements, a night -lighted bus shelter, meeting the requirements of both the City of La Quinta and the Sunline Transit Agency will be constructed by LQAF along the property boundary, which will include amenities, i.e., a bench and waste receptacle. The bus stop and shelter will be provided by the bus turn -out immediately north of the Avenue 48 intersection, with the bus shelter architectural design incorporating some of the design elements and theme(s) of the buildings at LQAF site. 54 June 20, 2000 Warner engineer ng La Quinta Arts Foundation Specific Plan 4.0 DRAINAGEIFLOOD CONTROL 4.1 Hydrology LQAF site lies within a Zone X flood zone as determined by the Federal Emergency Management Agency ("FEMA"). Zone X is determined to be outside of the 500 year flood plain. Due to its location situated at the foot of the Santa Rosa Mountains, significant off-site flows are anticipated to be generated onto LQAF site. Additionally, the proposal is expected to generate incremental increases in runoff associated with development of impervious surfaces, i.e., paved parking areas such as interior roads, the VIP Parking Lot, and the future parking lot for the Foundation building. The City of La Quinta requires that all new projects not located adjacent to major regional storm water facilities retain all tributary flows and any associated incremental increases in storm water flows on-site. Existing and future hydrologic conditions at the project site, along with the City's retention requirement represent an environmental constraint that will be resolved within the site design. In development of the site, LQAF will comply with City storm water provisions as specified in City Engineering Bulletin No. 97.03 or to standards in place when plans are submitted. Referencing Exhibit 4-13, the Conceptual Hydrology Plan, the off-site tributary is characterized by the steep rising mountains located west of the site and the flat sandy alluvial desert floor west of, and including LQAF site. The steep mountainsides produce fast rising storm water flows that are greatly slowed down upon reaching the desert floor, where they spread out in a sheet flow condition to the proposed site, where they are currently retained on the desert floor. There are currently no existing storm drains in Washington Street adjacent to the site. LQAF site currently accepts and retains off-site storm water flows from the mountains (west) and the property to the north that flow into the project site. To manage runoff created off-site, the project proposes to use the area within the northwest corner of the site, near the Native American Memorial (Basin "A") as a debris basin with limited storage capacity, the General Parking Lot (Basin "B") that will serve as the storm water overflow area from the Native American Memorial area, the Artists' Parking Lot (Basin "C") that will also serve as a debris basin, and the Festival Grounds (Basin "D") to intercept and to retain off-site storm water flows. On- site storm water flows will be retained on-site in the Festival Grounds and the General Parking Lot. Basins will be sized by modeling the 100 year, 1, 3, 6, and 24 hour storms, with the event generating the greatest volume to be used to size retention facilities. 4.2 Flood Control Master Plan The major storm water drainage facilities in the City of La Quinta are administered by the Coachella Valley Water District ("CVWD"). In general, the system consists of improvements to the natural drainage channels that run through the City. Many of these drainage channels are designed to convey only the current runoff, so therefore cannot accept greater post -development flows. Since all storm water is proposed to be retained on-site, no plans are proposed for development of an off-site collection system to transport storm water flows to existing facilities. 55 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan mv %� r r' •` / me 4 APPROX LIMATE LOCATION OF \ �' TRIBUTARY TO RETENTION o• f � y I • $'a � g BASIN •C• BASED ON USCS TOPO EDPROPERTY \ gTIS I • Pte' 1• { ElEV 76. ,�,M1 i 1V '�,...1"_= ti I _ a*��y,lY 1 •�:u',' �. >~(�Jyj1j�.�}^I�. } I 1tt A '1\ `. t ``'-.\ C f `. \.. + t' r � �,y r-. �•1 "' • `Ai" 1 •- 1 �I ! } \�) / a . _ { 1 w • vNi j"^ Ir <, r 'fir d y 4 C ` nl wtura�af sown sT �' ` }� '(' I '8Uk �F{A �. , Y � � _.�.r� � --•� _ t �� " I GRAPHIC SCALE 4-AIEA l a sy'1 7 '� - I t-• so' u !To' ICD' zAo' ,tlNO ` � � - yI k'. SC, -E 1 SO' CONCEPTUAL HYDROLOGY PLAN "�-�''---•""� autrlRr — r _ " i f'` 1 ! - - _ ` �'`� e•�:Y ,a FOP. LA QUINTA ARTS FOUNDATION ' y j / FS a BOTTOM 63 0 n ' y� .•.rec_ � ♦�\, � a s 1�1'- --- � ikr �_ _ I h •� �,,,,�, �-..-�....��.,�,�{��� _` `,'w PREPARED BY: P I. i Y Y - P. r. � -Warner engineenng T f _ •. . • Ib f. y �' -. :. _...'�, t� M ` f : � �y �' G `_, � �d�a ble+w�,wq/nvNnluu✓�p9xYs+i+r4 ` .i - -•• -.'[l L •- " ,.j. {:•rr•` .+�s.w. ��\. .y f ]3-115 NIGHWAV 111 7315 JOSNW UNE l +fid A' %y, z • 1 E Y ,R `� '!I'~ ._ ++ I_.dnn`•`�i°4--._ . :,; ,� fes) ' ' PALM DESERT. fA 93260 � VALE". CA 9228/ (780) 341-310i 767-7634 fl 'i; 4 i wwrar � _- ._....��._•,�Sa.-L--.^ _ a _ �..:i.---• �� 76O it ^�•; i.a-__+man '�..r6".--�-:,-Is-�—.�-.1-�-�cn--arr; �- �"=---•--w. �. __ - -�. �- �'i�•'� �;,�..:�.,: `"� ; -. e -. � r' TcS`t'- -sn- EXHIBIT 4-B = arrw Conceptual Hydrology Plan engineering R/W 6' MEANDERING SIDEWALK 1/4" PER FOOT SLOPE 13' 12' A.C. PAVEMENT La Quinta Arts Foundation Specific Plan I CURB \ �_ BASE COURSE -COMPACTED SUBGRADE 120' 96, -- - - -- 9' 9' 14' 6' - _12' I 1 I i fJr CURB 1 � CURBED MEDIAN 12' A.C. PAVEMENT BASE COURSE COMPACTED SUBGRADE EXHIBIT 5 Washington Street Cross Section Adjacent LQAF Site CURB R/W 6' 6' i_ MEANDERING SIDEWALK 1/4" PER FOOT SLOPE '.Warner 71. =: engineering f '.Warner 71. =: engineering 30' 36' 14' 40' 215' —= (VeTA LnaMA ,ARTISTS' PARKING LOT LACUNA DE A PAZ �; iw,�♦ _ 1 LANDS � E 1� 4�/ . Line. _of Sight from Artists' Parking Lot to The Terraces SCALE: 1" = 50'-0" 110' 60' -- 50' - LAGUNA DE LA PAZ f F ? ` �A LANDSCAPE BERM 40 X., Line of Sight at Festival Grounds SCALE: 1" = 20'-0" - 30" LAGUNA DE LA PAZ _ gyro 120' 36' (V(STA LAGUNA)— 14' UJ IJ cc Izo- ci Line of Sight at Artists' Parking Lot SCALE: 1" = 20'-0" 40' FESTIVAL GROUNDS: 500'+/— MAIN SCULPTURE GALLERY , I 20' FESTIVAL GROUNDS %10 r �S LANDSCAPE BERM h/ 215' ARTISTS' PARKING LOT TFRRAPF-Q ago - NORTH -D F __R_V--- L.) - iq 1 RV I T-----�_, _ 00 00� EXHIBIT 6 Line of Sight Cross -Sections from the Adjacent Laguna de la Paz Residential Development SANTA ROSA MOUNTAINS _�Warner engineering La Quinta Arts Foundation Specific Plan 4.3 On -Site Storm Water Retention There will be four (4) distinct storm water retention basins developed for LQAF site, the Native American Memorial area, the General Parking Lot, the Artists' Parking Lot, and the Festival Grounds will utilize the natural subbase or optionally be surfaced with decomposed granite ("DG") in which the General Parking Lot and the Artists' Parking Lot would be treated with soil stabilizers, with the Festival Grounds surfaced with hybrid Bermuda grass. The surfaces of the General Parking Lot and the Artists' Parking Lot accommodate an average absorption rate of 1/4 to 1/2 inch per hour. Off-site tributary areas that will accept and retain storm water run-off will consist of approximately 27 acres at the northwesterly corner of the site in the general vicinity of the Native American Memorial, which is tributary to the retention basins at the Native American Memorial (and debris basin), and the General Parking Lot, and approximately 10.2 acres westerly of the site, which is tributary to the Artists' Parking Lot retention (and debris) basin. Timing of storm water inflows continuous for 24 hours at the General Parking Lot (Basin "B") for a 100 year event are as follows: 0.5 feet of water at 10.6 hours storm duration to a maximum depth of 1.9 feet reached at 20.58 hours storm duration. Timing of storm water inflows continuous for 1 hour at the General Parking Lot (Basin "B") for a 100 year event are as follows: • 0.4 feet of water at 0.75 hours storm duration to a maximum depth of 1.0 feet reached at 1.083 hours storm duration. Timing of storm water inflows continuous for 24 hours at the Artists' Parking Lot (Basin "C") for a 100 year event are as follows: ® 0.5 feet of water at 9 hours storm duration to a maximum depth of 2.6 feet reached at 17.75 hours storm duration. Timing of storm water inflows continuous for 1 hour at the Artists' Parking Lot (Basin "C") for a 100 year event are as follows: 0.5 feet of water at 45 minutes storm duration to a maximum depth of 1.3 feet reached at 1.17 hours storm duration. As per City requirements, prior to issuance of any grading permit, LQAF will provide the City a "Fugitive Dust Control Plan" prepared in accordance with Chapter 6.16 of the La Quinta Municipal Code, and also furnishing the City security in a form acceptable to the City, in an amount sufficient to guarantee compliance with the provisions of the permit. A specific commercial soil stabilizer that is detailed in Appendix "C" of this Specific Plan, 56 June 20, 2000 Warner 77 engineering La Quinta Arts Foundation Specific Plan will be applied to the subbase or optional DG parking lot surfaces designed for high pp p P 9 9 9 vehicle traffic areas to minimize dust and to create a firmer surface without interfering with storm water percolation rates. As a soil amendment stabilizer, the various commercial grades available on the retail market today essentially enhance the equilibrium and resiliency of the soil, decreasing erosion. For this application, the product under consideration by LQAF to harden the surface to minimize fugitive dust, yet minimally interfere with storm water absorption is called "Stabilizer." Detail information about this product states it as an "... original and natural non-toxic binder that bonds crushed stone fines together to create natural pathways for gardens and parks." This soils additive is used for jogging trails, cart paths, driveways and parking areas, producing a firm, resilient surface that produces less mud and less dust. It works in all climatic conditions and is used as a less expensive alternative to concrete, asphalt, pavers, and other hardscape materials. "Stabilizer" is used in conjunction with a polypropylene fiber (also produced by the same company) called "TurfGrids" which adds strength to sand bunker faces and decreases erosion and contamination to trap sand. "TurfGrids" stabilize sports turf and high vehicle areas and roadways. Marshall stability testing shows that 1.5 inches of "Stabilizer" applied to DG has the same compressive strength as 1 inch of asphalt paving. The design and location of these parking lots with the water retention capabilities facilitate the site's overall design. Due to the nature of the parking lots that dually serve storm water retention purposes, to best preserve the subbase surface, no vehicle parking will be permitted in the retention areas when flooding is eminent, and no parking will be permitted until after the soil subbase has sufficiently dried and re -solidified. As noted in the description for General Plan — Element 8 (Air Quality), parking lot/storm water retention area surfaces will be checked in a timely manner following major LQAF events and for the accumulation of any debris following a major storm. At any time the subbase or optional DG surfacing material appears disturbed or damaged, when the subbase is dry, the DG will be raked -back and separated from the subbase material. The subbase will then be raked back into place and once again covered with the optional DG surfacing material. Although "Stabilizer" minimizes dust, it does not completely eliminate it. If used in conjunction with a DG surfacing material, the characteristic of DG is to break down into smaller particles. Although there are other dust control products available on the market that serve for temporary mitigation purposes, the same company produces another product called "Sement" that totally eliminates dust and that is used as a sealer over the soil "Stabilizer" surface, however it does reduce water infiltration. In consideration of the need to retain the use of the unpaved parking areas for storm water retention areas, since the application of soil "Stabilizer" substantially reduces fugitive dust, a determination will be made by LQAF to apply the optional ancillary dust remedy only if deemed absolutely necessary. Since rain and flooding are concerns usually during the limited winter season, the application of an ancillary additive, i.e. "Sement" is not expected to interfere significantly with percolation rates reflective of the dual use of the storm water retention areas. 57 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan The following Table 10 presents by basin area the capacities by volume and maximum basin depths to accommodate a 100 year 24 hour event: - -- _ - ---- -TABLE 10 • Summary of Retention Basin Capacities and Values for 100 Year Storm Unit Hydrographs Volume Volume Quantity Maximum Basin Duration C.F. A.F. C.F.S. Basin Depth A (Native American 24 317,000 7.28 9.24 Memorial B (General Parking 24 149,550 3.43 8.42 - Lot C (Artists' Parking 24 140,530 3.23 6.80 - Lot D (Festival Grounds) 24 21,930 0.50 2.04 A 1 159,500 -0 100.5 - B [ 1 86,850 - 85.3 - C _ 1 67,180 - 45.5 - Flood Hydrographs A and B 24 [ 9.54 - 1.9 Ft. C 24 - 3,22 - 2.6 Ft. D 24 - 0.5 - 0.9 Ft. A and B 1 - 4.48 - 1.0 Ft. C 1 - 1.54 - 1.3 Ft. Basin "A": This basin will be located on-site in the vicinity of the future Native American Memorial. The basin will retain intercepted off-site bulked flows from the Santa Rosa Mountains located west of LQAF site and the adjacent St. Francis of Assisi Church site and serve as a debris basin. Overflow storm water will drain into Basin "B", the General Parking Lot. The basin will retain approximately 1.2 acre feet and will have a maximum water depth of approximately 8 feet at Q,00. A designed overflow using a standpipe in Basin "B" will occur at a water level of 8 feet. Basin "B": This basin will be located at the General Parking Lot, both north and south of the main entrance driveway off of Washington Street. The two parking areas will be joined with multiple arched culverts under the main entrance way, therefore, the two parking areas will act as one retention basin. The basin will retain on-site flows overflowing from the smaller retention basin in the vicinity of the future Native American Memorial, from the VIP Parking Lot, and the future Foundation building area. The basin will retain approximately 9.5 acre feet with a maximum depth of 1.9 feet. The debris basin will be utilized to eliminate the majority of the debris entering Basin "B". Basin "C": This basin will be located at the Artists' Parking Lot which will also accept bulked flows from the Santa Rosa Mountains located west of LQAF site, also serving as a debris basin. The basin will retain approximately 3.2 acre feet with a water surface elevation of 56.6 feet with a maximum water depth of approximately 2.6 feet. 58 June 20, 2000 -Warner engineering La Quinta Arts Foundation Specific Plan Basin "D": This basin will be located at the Festival Grounds and accept storm water overflow from the Artists' Parking Lot. The basin will retain approximately 0.5 acre feet with a water surface elevation of 63.9 feet with a maximum water depth of approximately 0.9 feet. Since the General Parking Lot and the Artists' Parking Lot will be serving a dual storm water retention purpose, in order to reduce parking lot flooding concerns to an insignificant level, LQAF will coordinate with the City's emergency preparedness staff. An emergency evacuation plan for all areas of the site shall be submitted for their review and approval. LQAF will establish a formal emergency preparedness training program where all volunteers and paid staff will be trained to familiarize themselves with emergency evacuation procedures if required. If the National Weather Service should issue a severe storm advisory for the La Quinta area, LQAF will not permit activities within the Festival Grounds. To assure the integrity of the debris basins, they will be maintained by LQAF to a level found acceptable to the City Engineer. For the General Parking Lot and the Artists' Parking Lot, evacuation procedures on signs will be prominently posted in all appropriate locations, with the verbiage, size, and location of signs subject to review and approval by the City of La Quinta public safety services. In case weather conditions are threatening, upon public announcement, guests utilizing these parking areas will be directed to relocate their vehicles to higher grounds. Since both the 1 hour and 24 hour storm will provide abundant time for an orderly evacuation to occur, it is anticipated that there will be no need to prioritize relocation of vehicles parked at the lower portions of the retention basins. To illustrate, in the worse case scenario, the 1 hour storm will accumulate a maximum storm water depth of 1.0 feet. As for traffic entering into these lots, particularly the General Parking Lot, LQAF staff, volunteers, and professional valets will be available during events on LQAF site to direct traffic to other available parking areas on higher grounds in case of potentially threatening weather. 4.4 Nuisance Water Due to the selection of plants proposed within the landscape palette, the design of proposed berms not exceeding a 2:1 slope ratio, the retention basins, and the proposed irrigation system, it is anticipated that nuisance water will be retained entirely on the site as required by the City, and that the nuisance water will drain to the designated landscape areas and retention basins, minimizing incidences of transient water migration. If determined necessary, drywells will be utilized to mitigate nuisance water. Any future considerations by LQAF to construct fences or walls around retention basins will be subject to prior approval by the City Engineer and the Community Development Director. Drainage will be controlled and conveyed on LQAF site by use of paved or dirt swales, berms and interceptors, as well as catch basins and storm drain pipes. Additionally, erosion control measures such as slope protection, velocity reducers, interceptors and other similar facilities may be required as determined at the final design stage. LQAF 59 June 20, 2000 '-� Warner engineering La Quinta Arts Foundation Specific Plan will maintain graded, undeveloped land to prevent wind and water erosion of soils. The land will be planted with interim landscaping or provided with other erosion control measures, subject to approval by the City Community Development Department and the City Public Works Department. 60 June 20, 2000 W Warner engneenng La Quinta Arts Foundation Specific Plan 5.0 UTILITIES LQAF site will be served by all utilities needed for project development, and is situated in a corridor planned for a relatively intense scope of commercial development. Moderate utility extensions are anticipated in conjunction with the project. All utilities will be constructed or installed underground in accordance with Public Utility Commission ("PUC") rules regarding service connection and extensions, and as approved by the City regarding development permits. 5.1 Sewer Plan Sanitary sewer facilities for the City are provided by the Coachella Valley Water District ("CVWD"). Sewer connection will be extended to the site from the CVWD system southeast of Washington Street and Avenue 48, utilizing gravity flow mains within on- site street right-of-ways connecting to the existing 10 inch PVC force main. Pursuant to CVWD requirements, LQAF will annex to Improvement Districts Nos. 55 and 82 for sanitation service, at such time as any permanent sanitary sewer improvements are made on the site. 5.2 Water Plan Water facilities for the City are provided by CVWD. An existing 12 inch water main within the Washington Street right-of-way is adequate for the anticipated project capacity requirements and provision of a looped on-site distribution and hydrant system to the west. If determined by the Public Works Department that a secondary connection is necessary to reinforce reliability or improve fire flows, a secondary connection could be made to the Vista Laguna loop in Laguna de la Paz. 5.3 Well Site Although CVWD will not require dedication of a well site due to the size of the project, nonetheless LQAF is researching the feasibility of installing a well on-site for irrigation purposes. 5.4 Electrical Plan Electric facilities in the City are provided by the Imperial Irrigation District ("IID"). The IID will require the installation of underground facilities. There is an underground distribution circuit at the southeast corner of Avenue 48 and Washington Street, which, according to the IID, may or may not be the location from which LQAF site would be served dependent upon the project load calculations for the overall project and the timing of LQAF's project relative to other developments in the area. 61 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Pian 5.5 Other Utilities Natural gas is provided by the Southern California Gas Company and will be provided from an existing 4 inch main located in Washington Street that runs immediately adjacent LQAF site. The conceptual plan for natural gas service is shown to be connected to the existing 4 inch natural gas line in Washington Street. Time Warner Cable provides television cable service with the nearest facilities located approximately 1,800 feet east of LQAF site. Service will be extended to the site from this point of connection. Telephone service will be provided by GTE. Fiber optic cable will be available at the corner of Avenue 48 and Washington Street. During the final design of the project, GTE expects to serve the project from this location. Waste disposal service is provided by Waste Management of the Desert. Plans for incorporating recycling facilities shall be considered with the development of the site. Facilities shall be reviewed for compliance with all City ordinances by the Community Development staff upon submission of plans. Permanent trash enclosures acceptable to the City and Palm Desert Waste Management will be situated where necessary throughout the site. 62 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan 6.0 PHASING AND IMPLEMENTATION 6.1 Phasing Description The project will be developed in phases in substantial accordance with the following Table 11: • TABLE 11 • Proposed Phases of Development of LQAF Site PHASE---- SCHEDULE PROJECTED BUILDING_ ACTIVITY 1 7/2000 — 212001 Grading, utility infrastructure, meandering public sidewalk adjacent Washington Street, internal roadways, Festival Grounds, the Terraces, VIP Parking Lot, General Parking Lot, Artists' Parking Lot, and all landscaping, sidewalks and event security fencing associated with these areas, including the planting of landscaping on the perimeter 312001— 1212003 berm areas adjacent Laguna de la Paz). _ Foundation Building, all permanent trash enclosure structures, the 2 adjacent parking lot, connecting sidewalks, installation of all landscaping associated with construction of the building, and placement of all permanent entry signs and interior signs, including directional Box Office Building, planting of additional shade trees in the General 3 12/2001— 12/2005 Parking Lot, and construction of the bus stop shade structure. Permanent restroom buildings. 4 1212001 — 1212005 5 1212001— 1212005 Events Headquarters Building. Native American Memorial. 6 12/2001— 1212005 6.2 Grading and Infrastructure The entire project will be graded in one phase with the entire site left in rough grade to be followed by soil stabilization measures to minimize wind and water erosion with the grading plan, along with the landscaping and irrigation subject to review and approval by the Coachella Valley Water District . On-site sewer and water systems will be built during the first phase and stubbed -out to approximate locations to accommodate future buildings and improvements. As addressed in Section 5 of this Specific Plan, public utility providers report that all dry utilities are within close proximity of the site for ease of connection. 63 June 20, 2000 = Wamer engineering La Quinta Arts Foundation Specific Plan 7.0 DESIGN AND SUSTAINABILITY GUIDELINES 7.1 General Architectural and Landscape Theme As previously noted in Section 2.1.3.1 of this Specific Plan, the architectural style of the proposed buildings and accompanying site improvements, such as secondary buildings, signage, lighting, landscaping, etc. will present a unified architectural design. The building architecture will convey an artistic presence and will incorporate natural light whenever possible, maximizing solar protection, and minimizing direct solar heat gain by utilizing steep roof overhangs and deeply recessed entry and window areas. Key design elements of the future Foundation building will include large window areas to maximize enjoyment of surrounding views and high windows to capture natural light. Low water usage landscape elements native to the area will be incorporated into the overall site layout, limiting landscape materials adjacent the western property line to native plants only, intended to transition with the adjacent natural terrain. Proposed landscape and irrigation plans will be subject to prior review and approval of the Coachella Valley Water District. Building and site illumination fixtures and fixture designs will be respectful of the City's "Dark Sky" Ordinance intended to minimize excess ambient light from illuminating evening skies and adjoining properties, such as the adjacent Laguna de La Paz residential development and the nearby hillsides. 7.2 Project Identification Signage The main entrance onto LQAF site will comply with the specifications for permanent project identification signage permitted in residential districts as described in Table 1602 of the La Quinta Sign Ordinance. As per the options presented in Table 1602 of the Sign Ordinance, the main entrance into LQAF site will be enhanced with project identification signage consisting of the following choices: Option "A"_— Freestanding Monument Signage • One (1) freestanding monument sign (to be placed within near proximity of the main entrance). • Maximum height of 6 feet to the top of the sign. • Not exceeding 24 square feet of face area per each sign face. • Indirect night time illumination. • Sign(s) shall not be located within 5 feet of the adjacent street right-of-way or within a corner visibility cutoff area (as specified in Section 9.60.030 of the La Quinta Sign Ordinance). Option "B" — Wall -Mounted Signage Mounted on the decorative entry walls situated on both the right and left sides of the main drive entrance. 64 June 20, 2000 -.=Warner engineering La Quinta Arts Foundation Specific Plan • Signs will be situated so that the top of the sign areas will not exceed a maximum height of 6 feet above the adjacent finished grade. * Not exceeding 24 square feet of face area per sign face. • Indirect night time illumination. The design and vertical location of either the wall -mounted or freestanding monument signage will be raised enough above the ground to accommodate the undisturbed vertical growth of low landscape shrubs and vines around the signs, so as to enhance the "natural" appearance, ambiance, and setting of the development. All proposed signage, including all secondary and directional signage, will be thematically reflective of the future Foundation building architecture, and will be subject to separate approval from the City Community Development Department followed by building permit approval as per Section 9.160.090 of the La Quinta Sign Ordinance. 7.3 Design and Sustainability Guidelines The materials selected for the site were chosen for aspects of low maintenance. Landscape plants, groundcovers, shrubs, and trees are proposed that have a successful growing record, that can thrive with minimal water usage, and are able to withstand the wind and heat conditions that characterize the Coachella Valley. Specific to areas located along the western property line, to better transition to the adjacent natural terrain, landscape materials will be limited to native plants only. To minimize accumulation of debris on the site, recycle bins and trash receptacles will be readily available and placed in areas of the site corresponding to those areas where functions are taking place. Recycle bins and trash receptacles will be covered to minimize trash from blowing out and to prevent the attraction of flies and other insects onto LQAF grounds. For events sponsored by LQAF or for functions operated by others on the site, provisions will be in place to accommodate regular trash pick-up and pick-up of recyclables. Regarding the use of banners, flags, and other advertising and promotional materials, regular changing and/or repair will be conducted to maintain a neat and fresh appearance of these items. As directed by the Foundation Board of Directors, LQAF staff and volunteers will oversee maintenance needs of the site and will coordinate routine perpetual maintenance of the buildings, perimeter landscaping, access drives, and sidewalks through the hiring of contractors, handymen as needed, and gardeners on a regular basis. LQAF will maintain required public improvements until expressly released from this responsibility by the appropriate public agency. LQAF will schedule a dust control program for the gravel parking/retention areas, including the regular application of dust palliative at regular frequencies that ensures that the lots remain in a stabilized condition. One of the landscaping objectives around building perimeters and walls will be to minimize opportunities for graffiti damage, with development of a rapid response plan to eradicate graffiti when it occurs. The following Table 12 presents the permanent 65 June 20, 2000 Wanner engineering La Quinta Arts Foundation Specific Plan guidelines proposed to sustain the day-to-day operations and success of LQAF site categorized by tasks, responsibilities, and frequencies.- TABLE requencies. TABLE 12- Guidelines for Sustainability TASK BY CATEGORY RESPONSIBILITY FREQUENCY General direction/policy Board of Directors. Meet quarterly or (To provide general direction and carrying -out of policy more often as consistent with the mission of LQAF) _ Administrative staff and determined. Day -today operations Daily. assign volunteers. Scheduling of use of facilities Staff Activities Daily. (Coordination for use by LQAF and other community Coordinator. groups and private parties.) Daily. Site safetyand security Assigned administrative (To identify unsafe situations on site and surrounding the staff, volunteers, and/or site that may lead to accidents; to safeguard visitors, contract security staff, volunteers from hostilities and site security after company utilizing hours.) installed security system. _ Building maintenance and repair Assigned administrative Daily for regular (Coordination of routine cleaning of building, staff or volunteers cleaning and using sweepinglwaxing of floors, trash pick-up, prompt graffiti utilizing handymen or contractors and removal, and for the making of repairs.) trade contractors. volunteers as deemed necessary. Assigned staff, Grounds and landscape maintenance Daily. (Keeping debris picked -up and swept, irrigation systems volunteers, or contract working, repair/replacement of landscape plants, and landscape maintenance regularly monitoring the condition of the gravel personnel. parking/retention areas and applying dust palliative as needed.) Road and parking lot maintenance Assigned administrative Daily as needed - (Coordinating any needed road/parking lot repairs_) staff, or contractors. Community Liaison Daily as needed. Community liaison/community outreach (Keeping in contact with the City of La Quinta, other Officer. community organizations, groups, and neighbors surrounding the project site; to promote the mission of LQAF, and to identify and to maintain good community relations.) Advertising/promotions To carry -out as per Advertising Officer. (To coordinate✓promote the annual La Quinta Arts the approved Festival and to advertise the availability of the Festival advertising/ Grounds to other community organizations and groups promotions consistent with LQAF mission) schedule. Fundraising Board of Directors. To carry -out as per i (As generally directed by the Board of Directors, to the approved P formulate and implement a comprehensive fundraising fundraising program to sustain growth of LQAF.) Program. 66 June 20, 2000 Warner engineering La Quinta Arts Foundation Specific Plan APPENDIX A CITY OF LA QUINTA CITY COUNCIL RESOLUTION 2000-70 APPROVING ENVIRONMENTAL ASSESSMENT 2000-394 CITY COUNCIL RESOLUTION 2000-71 APPROVING CONDITIONAL USE PERMIT 2000-048 CITY COUNCIL RESOLUTON 2000-72 APPROVING SPECIFIC PLAN 2000-042 INCLUDING THE FINDINGS AND CONDITIONS OF APPROVAL - FINAL LA QUINTA ARTS FOUNDATION, APPLICANT JUNE 20, 2000 June 20, 2000 ! Warner engineering RESOLUTION NO. 2000.70 A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF LA QUINTA, CALIFORNIA, CERTIFYING A MITIGATED NEGATIVE DECLARATION OF ENVIRONMENTAL IMPACT FOR ENVIRONMENTAL ASSESSMENT 2000-394 PREPARED FOR SPECIFIC PLAN 2000042 AND CONDITIONAL USE PERMIT 2000-048 ENVIRONMENTAL ASSESSMENT 2000-394 APPLICANT. LA QUINTA ARTS FOUNDATION WHEREAS, the City Council of the City of La Quinta, California, did on the 6u' day of June, 2040, and 20"' day of June, 2000, hold duly noticed Public Hearings to consider Environmental Assessment 2000-394 prepared for Specific Plan 2000-042 and Conditional Use 'Permit 2000-048, located on the west side of Washington Street between 47th Avenue and 48th Avenue; and, WHEREAS, the Planning Commission of the City of La Quinta, California, did, on the 23rd day of May, 2000 hold a duly -noticed Public Hearing to consider Environmental Assessment 2000-394 prepared for Specific Plan 2000-0142 and Conditional Use Permit 2000-048, located on the west side of Washington Street between 47th Avenue and 48th Avenue, more particularly described as follows: ASSESSOR'S PARCEL NUMBE=R: 643-090-024 WHEREAS, said Environmental Assessment has complied with the requirements of "The Rules to Implement the California Environmental Quality Act of 1970" (as amended; Resolution 83-68 adopted by the La Quinta City Council) in that the Community Development Department has prepared an Initial Study (EA 10700-3941 and has determined that although the proposed Specific Plan could have a significant adverse impact on the environment, there would not be. a significant effect in this case because appropriate mitigation measures were made a part of the assessment and included in the Conditions of Approval for Specific Plan 2000-042, and a Mitigated Negative Declaration of Environmental Impact should be filed, and, WHEREAS, upon hearing anal considering all testimony and arguments of all interested persons desiring to hra heard, said City Council did find the following facts, findings, and reasons to justify certification of said Environmental Assessment: Aosolutlon No, 2000-70 Lo Gulnto A►tr Foundatlan Environmental Assesam■nt 2000-394 June 20, 2000 Page 2 The proposed Specific Plan 2000-042 and Conditional Use Permit 2000-048 will not be detrimental to the health, safety, or general welfare of the community, either indirectly, or directly, in that no significant unmitigable impacts were identified by Environmental Assessment 2000-394. There is ne substantial evidence in light of the whole record that there will be anv significant environmental impact from the project. 2. The proposed Specific Plan 2000-042 and Conditional Use Permit 2000-048 will not have the potential to degrade the quality of the environment, substantially reduce the habitat of a fish or wildlife population to drop below self sustaining levels, threaten to eliminate a plant or animal community, reduce the number or restrict the range of rare or endangered plants or animals or eliminate important examples of the major periods of California history or prehistory. 3. There is no evidence before the City that the proposed project will have potential for an adverse effect on wildlife resources or the habitat on which the wildlife depends. 4. The proposed Specific Plan 2000-042 and Conditional Use Permit 2.000-048 do not have the potential to achieve short-term environmental goals, to the disadvantage of long-term environmental goals, as no significant effects on environmental factors have been identified by the Environmental Assessment. B. The proposed Specific Plan 2000-042 and Conditional Use Permit 2000-048 will not result in impacts which are individually limited or cumulatively considerable when considering planned or proposed development in the immediate vicinity. 6. The proposed Specific Plan 2000-042 and Conditional Use Permit 2000-048 will not have environmental effects that will adversely affect the human population, either diroctly or indirectly, as no significant impacts have been Identified which would affect human health, risk potential or public services. 7. There is no evidence to show that State mandated school fees will not be adequate to address impacts to school facilities, In that the Specific Plan, as proposed, does not affect the current land use as it would be assessed at time of development, whether or not the project was implemented. FteeolAan No. 2000-70 La Quinta Aria Foundation Envlronmenial Assessment 2000-394 June 20, 2000 Page 3 >3. The City has on the basis of substantial evidence, rebutted the presumption of adverse effect setforth in 14 CAL Code Regulations §753.5(d). 9. The location and custodian of the City's records relating to this project is the Community Development Department located at 78-495 Calle Tampico, La Quinta, California. NOW THEREFORE, BE IT RESOLVED by the City Council of the City of La Quinta, California, as follows. 1. That the above recitations are true and correct and constitute the findings of the City Council for this Environmental Assessment. 2. That it does hereby certify Environmental Assessment 2000-394 for the reasons set forth in the Resolution and as stated in the Environmental Assessment Checklist and Addendum on file in the Community Development Department, 3. That Environmental Assessment 2000-394 reflects the independent judgement of the City. PASSED, APPROVED and ADOPTED at a regular meeting of the La Quinta City Council held on this 20th day of June, 2000, by the following vote, to wit: AYES: Council Members Henderson, Perkins, Mayor Pro Tem Sniff NOES: None ASSENT: Council Member Adolph, Mayor Pena ABSTAIN: None ANLEY SNIFF, May Pro Te City of La Quinta, California Rovalution No. 2000-70 (,a Ouinto Arte Foundaik,n Environrnantal Asegmsmun[ 2000.394 June 20, 2000 Page 4 ATTEST: C;4z�' S::�. -Cf�s� JUN REEK, CMC/AAE, City Clerk City of La Quinta, California (City Seal) APPROVED AS TO FORM: OAW C. HONEYWELL, Attt By., M. KATHERINE JENSON, Acting City Attorney City of La Quinta, California RESOLUTION NO. 2000-71 A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF LA QUINTA, CALIFORNIA, APPROVING A CONDITIONAL USE PERMIT TO ALLOW A VISUAL AND PERFORMING ARTS FACILITY AND ASSOCIATED DEVELOPMENT. CASE NO.: CONDITIONAL USE PERMIT 2000-048 APPLICANT: LA DUINTA ARTS FOUNDATION WHEREAS, the City Council of the City of La Quinta, California did on the 61 day of June, 2000, and 20"' day of June, 2000 hold duly noticed Public Hearings to consider the request of the La Quinta Arts Foundation to allow a visual and performing arts facility and associated development; and WHEREAS, the Planning Commission of the City of La Quinta, California, did on the 23rd day of May, 2000, hold a duly noticed Public Hearing to consider the request of the La Quinta Arts Foundation to allow a visual and pertorming arts facility and associated development; and WHEREAS, said Conditional Use Permit request has complied with the requirements of 'The Rules to Implement the California Environmental Quality Act of 1970" as amended by Resolution 63-68, in that a Environmental impact Report under Environmental Assessment 2000-394 has been recommended with mitigation measures for certification; and, WHEREAS, upon hearing and considering all testimony and arguments of all interested persons desiring to be heard, said City Council did find the following facts, findings, and reasons to justify a recommendation for approval of said Conditional Use Permit: The Conditional Use Permit is deemed consistent with the City's General Plan in that the site is designated low density residential and proposed for an arts exhibition, classroom, administrative office and performing arts use. The use is consistent with the goals and policies and intent of the General Plan Land Use Element (Chapter 2) provided conditions are met. 2. The approval of this Conditional Use Permit is consistent with the Zoning Code and Specific Plan in that construction of an arts exhibition, classroom, administrative office and performing arts facility will conform to development standards outlined in the La Quinta Arts Foundation Specific Plan namely parking, lighting, building height and setbacks, signs and landscaping. Reeolutlon No. 2000-71 Lr. Quinta AnsF Foundation Canditionel Ur• Permit 2000-048 June 20, 2000 Papa 2 3. An Environmental Assessment has been prepared in accordance with CEQA, and has been reviewed and considered by the City Council along with the comments thereon. 4. The arts exhibition, classroom, administrative offioe and performing arts use will not create conditions materially detrimental to the public health, safety and general welfare or injurious to, or incompatible with other land uses in that an Environmental Assessment has been prepared with recommended mitigation measures reducing potentially negative impacts to a level of insignificance such as noise, traffic and lighting. NOW, THEREFORE, BE IT RESOLVED by the City Council of the City of La Quinta, California, as follows: 1. That the above recitations are true and constitute the findings of the City Council in this case; 2. That the City Council does hereby approve Conditional Use Permit 00-048 to allow an arts exhibition, classroom, administrative office and performing arts facility subject to the Conditions of Approval, attached hereto and made a part of as Exhibit "A". PASSED, APPROVED and ADOPTED at a regular meeting of the La Quinta City Council, held on this 201h day of June, 2000, by the following vote, to wit: AYES: Council Members Henderson, Perkins, Mayor Pro Tem Sniff NOES: None ABSENT: Council Member Adolph, Mayor Pena ABSTAIN: None STANLEY SNIFF, M or Pro To City of La Quinta, California Revolution No, 2400.71 La Wnts Art+ Foundation Conditional Use Permit 2000.048 June 20, 2000 Pols 3 ATTEST: r.-� JU S, CYAEEK, CMC/AAE, City Clerk City o a Quinta, California (City Seal) APPROVED AS TO FORM: AWN C. HONEYWEL ity Attorney By: M, KATHERINE JENSON, Acting City Attorney City of La Quinta, California RESOLUTION NO. 2000-72 A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF LA QUINTA, CALIFORNIA, APPROVING A SPECIFIC PLAN TO ALLOW THE DEVELOPMENT OF THE LA QUINTA ARTS FOUNDATION PROJECT, INCLUDING FESTIVAL GROUNDS, FOUNDATION BUILDING, PARKING LOTS AND ASSOCIATED FACILITIES, ON THE WEST SIDE OF WASHINGTON STREET, BETWEEN 47TH AVENUE AND 48TH AVENUE CASE NO.: SPECIFIC PLAN 2000-042 APPLICANT: LA QUINTA ARTS FOUNDATION WHEREAS, the City Council of the City of La Guinta, California, did on the 6th day of June, 2000, and 20"' day of June, 2000, hold duly noticed Public Hearings to consider the request of La Quinta Arts Foundation for review of a Specific Plan to allow festival grounds, a Foundation building, amphitheatre, parking lots and associated land uses on 28.33 zL acres located on the west side of Washington Street, between 47th Avenue and 48th Avenue, and more particularly described as: Assessor's Parcel Number 643-090-024 WHEREAS, the Planning Commission of the City of La Quinta, California, did on the 23rd day of May 23, 2000, hold a duly noticed Public Hearing for Specific Plan 2000-042, and recommended approval under Resolution 2000-036; and WHEREAS, the project has complied with the requirements of "The Rules to Implement the California Environmental Quality Act of 1970" as amended, Resolution 83-63, in that the Community Development Director has conducted an Initial Study (Environmental Assessment 00-394) and determined that the proposed project could have an adverse impact on the environment. However, there would not be a significant effect In this case, because appropriate mitigation measures were made a part of the Conditions of Approval for Specific Plan 2000-042, and a Mitigated Negative Declaration of Environmental Impact will be filed; and WHEREAS, at said Public Hearing, upon hearing and considering all testimony and arguments of all interested persons wanting to be heard, said City Council did make the following mandatory findings of approval for said Specific Plan 2000-042: Resolution No, 2000.72 Le Gulnta Arts Foundation BpooHlo Plan 00-042 Juno 20, 2000 Pepe 2 OnOing Number 1 - Consistency with General Plan/Zoning Code The proposed Specific Plan is consistent with the goals and policies of the La auinta General Plan, and the Land Use Map for the General Plan and supports the development of a regional arts facility, as conditioned. The proposal also furthers the goals and objectives of the Circulation Element, insofar as it limits access to Washington Street. 2. The proposed Specific Plan is compatible with the City's zoning ordinance in that it provides standards for the proposed land uses, and implements requirements for Conditional and Minor Use Permits, as stipulated. Ejndina Number 2 - Compliance with the California Environmental Quality Act 1 . A Mitigated Negative Declaration of Environmental Impact has been prepared by the Community Development Department as required by the California Environmental Quality Act statutes. The assessment concludes that the project will not significantly affect the environment, provided Mitigation Monitoring is completed (EA 00.394). In this case, project mitigation includes berming and nolse reduction measures, limitations to the hours of operation, compliance with City standards for the protection of groundwater and analysis of visual impacts. The Environmental Assessment and comments thereon, have been reviewed and considered by the City Council. F,in_dJ13-q-UULUb1U -3 - Site Design 1. The project, as conditioned, is compatible with the City's standards and existing surrounding development. Conditions of approval have been included to ensure compliance with the City's standards. Each of the phases of the proposed Specific Plan will be required to submit Site Development Permit applications prior to development of the site. - Site Improvements 1. The extension of all public services, as required, will provide for the logical expansion of services in the City. Rasolutlon No, 2000-72 La Quinta Arts Found Olon Spooiflo Plan 00-042 Junr 20, 2000 Patio 3 2. All improvements within and adjacent to the proposed project will be constructed to meet City standards and be compatible with surrounding development. 3. The Specific Plan, as conditioned, will not pose a hazard to the public health, welfare or safety. NOW, THEREFORE, BE IT RESOLVED by the City Council of the City of La Quinta, California, as follows: 1. That the above recitations are true and constitute the findings of the City Council in this case. 2. That it does hereby require compliance with those mitigation measures required in Environmental Assessment 2000-394. 3_ That it does approve Specific Plan 2000-042 for the reasons set forth in this Resolution and subject to the attached conditions. PASSED, APPROVED and ADOPTED at a regular meeting of the La Quinta City Council, held on the 20th of June, 2000, by the following vote, to wit: AYES: Council Members Henderson, Perkins, Mayor Pro Tem Sniff NOES: None ABSENT: Council Member Adolph, Mayor Pena ABSTAIN: None STANLEY SNIFF, Mayo Pro Tem City of La Quinta, California Itovolution No. 2000.72 La Quinta Arts Foundation Specific plan 00-042 I June 20, 2000 Page 4 ATTEST: 99�-- -4� JU REEK, CMC/AAE, �tyCl�erk�� City of La Quinta, California (City Seal) APPROVED AS TO FORM: DAWN C. HONEYWELL, Cityl,htorney By: M. KATHERINE JENSO , Acting City Attorney City of La Quinta, California CITY COUNCIL RESOLUTION 2000-72 CONDITIONS OF APPROVAL - FINAL SPECIFIC PLAN 2000-042 LA QUINTA ARTS FOUNDATION JUNE 20, 2000 GENERAL 1 . The applicant agrees to defend, indemnify, and hold harmless the City of La Quinta (the "City"), its agents, officers and employees from any claim, action or proceeding to attack, set aside, void, or annul the approval of this permit. The City shall have sole discretion in selecting its defense counsel. The City shall promptly notify the applicant of any claim, action or proceeding and shall cooperate fully in the defense. 2. Prior to the issuance of a grading, construction or building permit, the applicant shall obtain permits and/or clearances from the following public agencies: ® Fire Marshal Public Works Department (Grading Permit, Improvement Permit) • Community Development Department • Riverside Co. Environmental Health Department • Desert Sands Unified School District • Coachella Valley Water District (CVWD) • Imperial Irrigation District (IID) • California Water Quality Control Board (CWQCB) The applicant is responsible for any requirements of the permits or clearances from those jurisdictions. If the requirements include approval of improvement plans, applicant shall furnish proof of said approvals prior to obtaining City approval of the plans. The applicant shall comply with applicable provisions of the City's NPDES stormwater discharge permit. For projects requiring project -specific NPDES construction permits, the applicant shall submit a copy of the CWQCB acknowledgment of the applicant's Notice of Intent prior to issuance of a grading or site construction permit. The applicant shall ensure that the required Storm Water Pollution Protection Plan is available for inspection at the project site. 3. This development shall be subject to the Infrastructure Fee Program and Development Impact Fee program in effect at the time of permit approval. PROPERTY RIGHTS 4. Prior to issuance of a grading or building permit, the applicant shall acquire or confer easements and other property rights necessary for construction or proper C:\My Documents\WPDOCS\spARTS COA.wpd functioning of the proposed development. Conferred rights shall include irrevocable offers to dedicate or grant access easements to the City for emergency services. 5. The applicant shall dedicate or grant public street right of way and utility easements in conformance with the City's General Plan, Municipal Code, applicable specific plans, and as required by the City Engineer. 6. Right of way dedications required of this development include: Washington Street - The remainder of applicant's 60 -foot half of a 120 - foot right of way. 7. The dedication shall include additional width as necessary for dedicated right turn lanes, bus turnouts, and other features contained in the approved construction plans. 8. The applicant shall create a 20 -foot perimeter setback along Washington Street. This depth is the average depth if meandering wall design is approved. This setback requirement applies to all frontage including, but not limited to, remainder parcels and sites dedicated for utility purposes. Where public facilities (e.g., sidewalks) are placed on privately -owned setbacks, the applicant shall dedicate blanket easements for those purposes. 9. The applicant shall dedicate easements necessary for placement of and access to utility lines and structures. 10. The applicant shall vacate abutter's rights of access to Washington Street from all frontage except access points listed below. 1 1 , The applicant shall furnish proof of easements or written permission, as appropriate, from owners of any abutting properties on which grading, retaining wall construction, permanent slopes, or other encroachments are to occur. IMPROVEMENT PLANS As used throughout these conditions of approval, professional titles such as "engineer," "surveyor," and "architect" refer to persons currently certified or licensed to practice their respective professions in the State of California. 12. Improvement plans shall be prepared by or under the direct supervision of qualified engineers and landscape architects, as appropriate. Plans shall be submitted on 24" x 36" media in the categories of "Rough Grading," "Precise Grading," "Streets & Drainage," and "Landscaping." Precise grading plans shall have signature blocks for Community Development Director and the Building Official. All other plans shall have signature blocks for the City Engineer. Plans are not approved for construction until they are signed. C:\My Documents\WPDOCS\spARTS COA.wpd "Streets and Drainage" plans shall normally include signals, sidewalks, bike paths, entry drives, gates, and parking lots. "Landscaping" plans shall normally include irrigation improvements, landscape lighting and entry monuments. "Precise Grading" plans shall normally include perimeter walls. Plans for improvements not listed above shall be in formats approved by the City Engineer. 13. The City may maintain standard plans, details and/or construction notes for elements of construction. For a fee established by City resolution, the applicant may acquire standard plan and/or detail sheets from the City. 14. When final plans are approved by the City, the applicant shall furnish accurate AutoCad files of the complete, approved plans for Washington Street on storage media acceptable to the City Engineer. The files shall utilize standard AutoCad menu items so they may be fully retrieved into a basic AutoCad program. At the completion of construction and prior to final acceptance of improvements, the applicant shall update the files to reflect as -constructed conditions. If the plans were not produced in AutoCad or a file format which can be converted to AutoCad, the City Engineer may accept raster -image files of the plans. IMPROVEMENT AGREEMENT In the event that any of the improvements required herein are constructed by the City, the applicant shall, at the time of approval of a map or other development or building permit, reimburse the City for the cost of those improvements. 15, The applicant shall construct improvements and/or satisfy obligations, or furnish an executed, secured agreement to construct improvements and/or satisfy obligations required by the City prior to issuance of a grading permit. For secured agreements, security provided, and the release thereof, shall conform with Chapter 13, LQMC. Improvements to be made or agreed to shall include removal of any existing structures or obstructions which are not part of the proposed improvements. 16. If improvements are secured, the applicant shall provide estimates of improvement costs for checking and approval by the City Engineer. Estimates shall comply with the schedule of unit costs adopted by City resolution. For items not listed in the City's schedule, estimates shall meet the approval of the City Engineer. GRADING 17, Prior to issuance of a grading permit, the applicant shall furnish a preliminary geotechnical ("soils") report and an approved grading plan prepared by a C:\My Documents\WPDOCS\spARTS COA wpd qualified engineer. The grading plan shall conform with the recommendations of the soils report and be certified as adequate by a soils engineer or engineering geologist. 18. Slopes shall not exceed 5:1 within public rights of way and 3:1 in landscape areas outside the right of way unless otherwise approved by the City Engineer. 19. Prior to occupation of the project site for construction purposes, the applicant shall submit and receive approval of a Fugitive Dust Control plan prepared in accordance with Chapter 6.16, LQMC. The applicant shall furnish security, in a form acceptable to the City, in an amount sufficient to guarantee compliance with the provisions of the permit. 20. The applicant shall maintain graded, undeveloped land to prevent wind and water erosion of soils. The land shall be planted with interim landscaping or provided with other erosion control measures approved by the Community Development and Public Works Departments. 21. Prior to issuance of building permits, the applicant shall provide building pad certifications stamped and signed by qualified engineers or surveyors. For each pad, the certification shall list the approved elevation, the actual elevation, the difference between the two, if any, and pad compaction. The data shall be organized by lot number and listed cumulatively if submitted at different times. DRAINAGE The applicant shall comply with the provisions of Engineering Bulletin No. 97.03 and the following: 22. Stormwater precipitation and historic inflow from the peak 24-hour period of a 100 -year storm (the design storm) shall be retained within the development unless otherwise approved by the City Engineer. The tributary drainage area shall extend to the centerline of adjacent public streets. 23. Storm flow in excess of retention capacity shall be routed through a designated, unimpeded overflow outlet to the historic drainage relief route. 24. Retention facility design shall be based on site-specific percolation data which shall be submitted for checking with the retention facility plans. The design percolation rate shall not exceed two inches per hour. 25. Retention basin slopes shall not exceed 3:1. Maximum retention depth shall be six feet. 26. Nuisance water shall be retained on site. 27. No fence or wall shall be constructed around basins unless approved by the Community Development Director and the City Engineer. C:\My Documents\WPDOCS\spARTS COA.wpd 28. The development shall be designed to accommodate purging and blowoff water from any on-site or adjacent well sites granted or dedicated to the local water utility authority as a requirement for development of this property. 29. Prior to issuance of a grading permit, the applicant shall establish a plan for operation of the combined parking/retention areas during threatening weather and, during storm events, for notifying drivers that their vehicles could become inundated by flooding in the gravel parking areas. UTILITIES 30. The applicant shall obtain the approval of the City Engineer for the location of all utility lines within the right of way and all above -ground utility structures including, but not limited to, traffic signal cabinets, electrical vaults, water valves, and telephone stands, to ensure optimum placement for practical and aesthetic purposes. 31. Existing aerial lines within or adjacent to the proposed development and all proposed utilities shall be installed underground. Power lines exceeding 34.5 kv are exempt from this requirement. 32. Utilities shall be installed prior to overlying hardscape. For installation of utilities in existing, improved streets, the applicant shall comply with trench restoration requirements maintained or required by the City Engineer. The applicant shall provide certified reports of trench compaction for approval of the City Engineer. STREET AND TRAFFIC IMPROVEMENTS 33. The applicant shall install the following street improvements to conform with the General Plan street type noted in parentheses. (Public street improvements shall conform with the City's General Plan in effect at the time of construction.) 34. OFF-SITE STREETS Washington Street (Major Arterial) - Construct remainder of 48 -foot half- width improvement plus an 8 -foot sidewalk/bike path. Entry drives, corner cutbacks, bus turnouts, dedicated turn lanes, and other features contained in the approved construction plans may warrant additional street widths as determined by the City Engineer. 35. Improvements shall include appurtenances such as traffic control signs and pavement markings. 36. The applicant may be required to extend improvements beyond development boundaries to ensure they safely integrate with existing improvements (e.g., grading; traffic control devices and transitions in alignment, elevation or dimensions of streets and sidewalks). C:\My Documents\WPDOCS\spARTS COA.wpd 37. Improvements shall be designed and constructed in accordance with the LQMC, adopted standards, supplemental drawings and specifications, and as approved by the City Engineer. Improvement plans for streets, access gates and parking areas shall be stamped and signed by qualified engineers. 38. The applicant shall design street pavement sections using Caltrans' design procedure (20 -year life) and site-specific data for soil strength and anticipated traffic loading (including construction traffic). Minimum structural sections shall be as follows (or approved equivalents for alternate materials): Residential & Parking Areas 3.0" a.c./4.50" c.a.b. Major Arterial 5.5"/6.50" 39. The applicant shall submit current mix designs (less than two years old at the time of construction) for base, asphalt concrete and Portland cement concrete. The submittal shall include test results for all specimens used in the mix design procedure. For mix designs over six months old, the submittal shall include recent (less than six months old at the time of construction) aggregate gradation test results confirming that design gradations can be achieved in current production. The applicant shall not schedule construction operations until mix designs are approved. 40. General access points and turning movements of traffic are limited to the following: Main entry drive centered approximately 790 feet south of the north property boundary - 36 -foot width. Secondary access drive located at the north property boundary - 32 -foot width. LANDSCAPING 41. The applicant shall provide landscape improvements in landscape setbacks and in on-site areas as designated in the landscape plan for Specific Plan 00-042. 42. Landscape and irrigation plans shall be signed and stamped by a licensed landscape architect. The applicant shall submit plans for approval by the Community Development Department prior to plan checking by the Public Works Department. When plan checking is complete, the applicant shall obtain the signatures of CVWD and the Riverside County Agricultural Commissioner prior to submitting for signature by the City Engineer. Plans are not approved for construction until signed by the City Engineer. 43. Landscape areas shall have permanent irrigation improvements meeting the requirements of the City Engineer. Use of lawn shall be minimized with no lawn or spray irrigation within 18 inches of curbs along public streets. C:\My Documents\WPDOCS\spARTS COA wpd PUBLIC SERVICES 44. The applicant shall provide public transit improvements as required by Sunline Transit and approved by the City Engineer. QUALITY ASSURAN E 45. The applicant shall employ construction quality -assurance measures which meet the approval of the City Engineer. 46. The applicant shall employ or retain qualified civil engineers, geotechnical engineers, surveyors, or other appropriate professionals to provide sufficient construction supervision to be able to furnish and sign accurate record drawings. 47. The applicant shall arrange and bear the cost of measurement, sampling and testing procedures not included in the City's inspection program but required by the City as evidence that construction materials and methods comply with plans, specifications and applicable regulations. 48. Upon completion of construction, the applicant shall furnish the City reproducible record drawings of all improvement plans which were signed by the City. Each sheet shall be clearly marked "Record Drawings," "As -Built" or "As - Constructed" and shall be stamped and signed by the engineer or surveyor certifying to the accuracy of the drawings. The applicant shall revise the CAD or raster -image files previously submitted to the City to reflect as -constructed conditions. MAINTENANCE 49. The applicant shall make provisions for continuous, perpetual maintenance of all on-site improvements, perimeter landscaping, access drives, and sidewalks. The applicant shall maintain required public improvements until expressly released from this responsibility by the appropriate public agency. 50. The applicant shall schedule a dust control program for the gravel parking/retention areas. The program shall include regular applications of dust palliative at a frequency that ensures that the lots remain in a stabilized condition. FEES AND DEPOSITS 51. The applicant shall pay the City's established fees for plan checking and construction inspection. Fee amounts shall be those in effect when the applicant makes application for plan checking and permits. CAMy Documents\WPDOCS\spARTS COA.wpd COMMUNITY DEVELOPMENT DEPARTMENT 52. The text under Section 1.2.2, page 1 of the Specific Plan, shall be deleted, and the following inserted: Uses Permitted with approval of a Minor Use Permit: Festival Grounds Events for 50 or more persons not listed in Section 2.1 Banners in excess of those specifically described in this Specific Plan Other uses as permitted in Section 9.40, Residential Development Standards of the La Quinta Zoning Ordinance Uses Permitted with a Conditional Use Permit: Educational facilities and classrooms Art galleries Administrative Offices Amphitheatre Other uses as permitted in Section 9.40, Residential Development Standards of the La Quinta Zoning Ordinance Uses Requi.ring a Site Development Permit: Foundation Building Parking Lots (except the General Parking Lot) Amphitheatre Sculpture garden Box office building Headquarters events building Restroom buildings Native American Memorial Permanent Signage 53. The Specific Plan shall be amended to allow for the events listed in Section 2. 1, without the submittal of Minor Use Permit applications. In addition, the following shall be added to Section 2.1: The Foundation shall, within 10 days of the beginning of each quarter each year, submit a list of the events which occurred in the previous quarter, and those which are planned in that quarter to the Community Development Department, to ensure compliance with the events lists in this Section. 54. All relevant text in the Specific Plan shall be amended to allow, with the approval of this Specific Plan, the following: CAMy Documents\WPDOCS\spARTS COA.wpd 1 . Rough grading 2. Perimeter landscaping 3. Construction of the general parking lot and installation of parking lot lighting. 4. Festival Grounds No Site Development Permit shall be required. All plans shall be submitted to the City Engineer and Community Development Department for review and approval prior to the initiation of any activity on the site. 55. The Foundation building shall not exceed 60,000 square feet in gross floor area, regardless of the number of storeys constructed. The word "footprint" when associated with 60,000 s.f. In the text shall be deleted. 56. The Specific Plan shall be modified to read that up to 20% of the total ground floor square footage of the Foundation building may be allowed to exceed 28 feet in height, subject to analysis of bulk and mass, and a line of sight study through the Site Development Permit process (pages 2, 14 of Specific Plan). 57. The Specific Plan shall be amended to read that "Set up" and "break down" activities in the festival grounds shall conform to the City's hours for construction activities, as stipulated in the noise ordinance (Municipal Code Section 6.08.050) (page 16 of Specific Plan). On Sundays and Holidays, the weekday hours of operation shall apply. For the 5 major and 5 medium events on the Festival grounds annually, "break down" shall be allowed until 10 PM. "Break down" for the public health and safety, in the event of an emergency, shall be allowed outside of the hours specified above. 58. Until such time as permanent restroom facilities are constructed, all Minor Use Permit applications shall include a site plan which identifies the specific location of all temporary restrooms. Consistent with the mitigation measures included in EA 00-394, such temporary restrooms shall be located at least 300 feet from the southern property line. 59. The first sentence of Section 1.2.2.4 shall be amended to read "According to Zoning Code, Table 401, aspects of this specific plan proposal also entail requirements for conditional use ("CUP") and minor use permits ("MUP"►." (page 3 of Specific Plan). 60. Table 2 of the Specific Plan, right hand column, 6th row, shall be amended to read "37 banners on-site." (page 4 of Specific Plan). Also, under this Table right hand column, Time for Removal, second row shall be amended to comply with the Zoning Code and require removal within seven days. 61. Table 2, Placement Restrictions, right hand column shall be amended to add "No banners shall be located within the landscaped parkway included in the Washington Street right-of-way." C:\My Documents\WPDOCS\spARTS COA wpd 62. A "Banner Plan" which identifies the ultimate location of all 37 on-site banners, shall be submitted for review and approval with the grading permit. All minor use permit applications for the proposed project shall be consistent with the approved Banner Plan. A. The applicant agrees to be bounded by any amendment to the City's Sign Ordinance. 63. Table 3 of the Specific Plan, right hand column, Max. No. of Stories: the text within the parentheses shall be moved to the row above, Max. Structure Height. 64. All Site Development Permits for parking lot areas shall include landscaping areas, to be built to City standards and which protect plantings, along the vertical axis of the parking row. The Site Development Permit application shall include immediate landscaping of all row ends upon construction, and shall include a date -specific phasing plan for installation of landscaping along the parking rows. Once approved, the phasing plan shall be implemented by the applicant in a timely manner. 65. Parking lot lighting to City standards shall be provided by permanent lighting fixtures meeting City standards. A parking lot lighting plan shall be submitted with all parking lot Site Development Permit or grading permit whichever occurs first. Bollard or similar height light fixtures shall be utilized. - 66. The Specific Plan shall be amended to require 11 foot wide end stalls for all parking lot layouts. 67. The Specific Plan and subsequent Site Development Permit application for the artists' parking lot shall be amended to provide for 380 parking spaces, designed to meet City dimensional standards. Alternatively, 100 parallel parking spaces may be provided along the rear access road, by widening the road to a 36 foot width, minimum. 68. The Specific Plan text will be amended to refer to berming of 7.5 feet in height from the top of the Laguna de la Paz wall to the Festival grounds. The Grading Permit application will include analysis which clearly demonstrates that the berming will provide adequate site line interruption to effectively reduce noise impacts. 69. Five copies of the Final Specific Plan, with all amendments required above integrated into the document, and with these conditions of approval appended to the document, shall be submitted to the Community Development Department within thirty days of approval of the Specific Plan for review and approval by the City Council prior to the issuance of any permit. C:\My Documents\WPDOCS\spARTS COA.wpd 70. Prior to issuance of a grading permit, the applicant shall submit a properly identified landscaping plan and accompanying irrigation plan for all landscaping on the site, for review and approval by the Community Development Department. The plans shall also include hardscape details for the main and secondary access points, including special pavement treatments. All plans shall be consistent with the adopted Specific Plan. 71. Prior to the issuance of any grading permit on the project site, the applicant shall submit a written parking agreement to the Community Development Department. 72. Landscape materials adjacent to the western property line shall be limited to native plants only, and shall be designed to transition with the adjacent natural terrain. 73. The project proponent shall comply with all mitigation measures contained in the Addendum to EA 00-394. PUBLIC TRANSIT 74. The project proponent will construct, as part of the Washington Street parkway improvements, a night -lighted bus shelter, which meets the requirements of both the City of La Quinta and the SunLine Transit Agency. Improvements will also include a bench and waste receptacle. DQMESTICWATER AND SANITARY SEWER 75. Pursuant to the requirements of the Coachella Valley Water District (CVWD), the project proponent shall annex to Improvement Districts Nos. 55 and 82 for sanitation service, at such time as any permanent sanitary sewer improvements are made on the site. 76. Landscaping, irrigation and grading plans shall be submitted to CVWD for review and approval. 77. All plans for domestic water connections to existing CVWD lines shall be submitted to the District for review and approval. FIRE DEPARTMENT 78. All water mains and fire hydrants required fire flows shall be constructed in accordance with the appropriate sections of the water district, subject to the approval by the Riverside County Fire Department. 79. Automatic fire sprinkler systems are required in all new structures 5,000 square feet or greater in size, in accordance with La Quinta City Ordinance 8.08.090. The post indicator valve and fire department connection shall be located to the front within 50 feet of a hydrant, and a minimum of 25 feet from the building. C:\My Documents\WPDOCS'\spARTS COA.wpd 80. All interior fire apparatus access roads shall be a minimum of 20 feet unobstructed width and an unobstructed vertical clearance of 13'6". Any portion of an exterior wall of the first story of any building shall be located within 150 feet from fire apparatus access as measured by an approved route around the exterior of the building. 81. Current proposed buildings will require a water system capable of delivering 1,500 gpm for a 2 hour duration at 20 psi residual operating pressure which must be available before any combustible material is placed on the job site. It is recommended that the applicant provide water mains capable of providing a larger fire flow for the future 60,000 square foot building in accordance with the 1997 Uniform Fire Code, Table A -III -A-1 . 82. The required fire flow shall be available from a Super hydrant(s) (6"x 4"x 2.5"x 2.5") located not less than 25' or more than 165' from any portion of the building(s) as measured along approved vehicular travel ways. 83. Blue retro -reflective pavement markers shall be mounted on private streets, public streets and driveways to indicate the location of fire hydrants. Prior to installation, placement of markers must be approved by the Riverside County Fire Department. 84. Prior to the issuance of a building permit, applicant/developer shall furnish one blue line copy of the water system plans to the Fire Department for review. Plans shall conform to the fire hydrant types, location and spacing, and the system shall meet the fire flow requirements. Plans must be signed by a registered Civil Engineer and the local water company with the following certification: "I certify that the design of the water system is in accordance with the requirements prescribed by the Riverside County Fire Department." 85. The required water system including fire hydrants shall be installed and operational prior to the start of construction. 86. All gates on-site shall be equipped with Knox boxes, or equivalent, to the satisfaction of the Fire Department. SCHOOL FEES 87. The project proponent shall demonstrate their exemption from the payment of school fees, in the form of a certification from the school district, prior to the issuance of a building permit. C:\My Documents\WPDOCS\spARTS COA.wpd La Quinta Arts Foundation Specific Plan APPENDIX B CITY OF LA QUINTA ADDENDUM TO ENVIRONMENTAL CHECKLIST ENVIRONMENTAL ASSESSMENT 2000-394 WITH APPROVED MEASURES FOR MITIGATION MONITORING IN CONNECTION WITH THE MITIGATED NEGATIVE DECLARATION FOR SPECIFIC PLAN 2000-042 LA QUINTA ARTS FOUNDATION, APPLICANT June 20, 2000 Warner engineering Addendum to Environmental Checklist, EA 2000-394 1. a) Washington Street is designated a Primary Image Corridor in the City's General Plan. This designation ensures that special setback standards and landscaping are included in project development. The Specific Plan and Site Plan show that the project proponent will meet the City's standards for both landscaping and setbacks, thereby reducing the potential impacts to a level of insignificance. b1, c) & d) The project site is currently vacant desert land. The construction of the proposed project, and installation of parking lot and festival ground lighting, will therefore have an impact, both on- and off-site. The Specific Plan includes the use of portable light standards for evening events only in parking areas. The Specific Plan further states that the City's standards for lighting will be adhered to. The closest point from a parking area to the boundary of Laguna de la Paz is approximately 40 feet. This distance is comprised of landscaping and berming, which will serve to obstruct lighting from the site. Finally, the parking areas are proposed to be 2 to 3 feet below the grade of the adjacent residential development, which will lower the level of headlights within the parking lots. With the implementation of the following mitigation measures, the impacts from light and glare should be reduced to a less than significant level. All lighting on light standards, whether portable or.permanent, shall be angled downward, so as not to illuminate adjacent land uses. 2. All lighting on the project site shall conform to the City's Zoning Ordinance. 3. Lighting on the festival grounds for evening events shall be angled away from residential development to the south and from the hillsides, and shall not be located any closer than 50 feet from the southern property boundary. II. a) & c) The site of the proposed project is not used for agricultural purposes. III. c) & d) The traffic analysis for the project site states that average daily attendance at the site can be expected to be between 120 to 250 persons, including staff and visitors. The emissions from the vehicles which enter and leave the site on a daily basis will not constitute a significant impact. C:\My Documents\WPDOCS\EA Arts F Addendum. WP6.wpd 1 The Specific Plan states that during a major event (of which there will be 5 a year), 9,000 people will attend in one day, at an average of 2.2 persons per vehicle'. This, combined with volunteer, staff and artists' trips, could result in more than 8,500 trips per day being generated at the project site (4,250 to the site and 4,250 from the site). The primary source of pollutants at the project site will be vehicular emissions. The South Coast Air Quality Management District (SCAQMD) has established standards and formulas by which vehicular emissions can be estimated. SCAQMD standards are based on daily thresholds, which, as demonstrated in the table below, will not be exceeded even during major events. Running Exhaust Emissions (pounds/day) PM 10 PM 10 PM 10 CO ROC NOx Exhaust Brakes Tires 50 mph 351.3 13.5 72.1 0.0 1.5 1.5 Daily Threshold* 550 75 100 150 Based on 8,500 trips/day and average trip length of 8.0 miles, using EMFAC7G Model provided by California Air Resources Board. Assumes catalytic light autos at 75°F. * Operational thresholds provided by SCAQMD for assistance in determining the significance of a project. The Table demonstrates that the emissions from a major event at the project site will not exceed thresholds for significance. Therefore, it is assumed that medium (5,000 people) events are not expected to exceed the SCAQMD standards. The grading process is expected to occur in one phase, and is expected to take approximately 30 working days. The process will require two scrapers, one wheeled bulldozer and one water truck, each of which will operate for approximately eight hours per day. The following table describes the PM 10 emissions expected to occur during the grading process, and demonstrates that grading is not expected to generate PM 10 emissions which exceed SCAQMD's construction emissions thresholds. 'La Oumta Arts Foundation Specific Plan,' prepared by Warner Engineering, April, 2000 C:\My Documents\WPDOCS\EA Arts F Addendum. WP6.wpd 2 Construction -Related PM 10 Emissions (pounds) Project Generated Emissions SCAQMD Thresholds Daily 9.96 150 Quarterly 298.8 13,500 Source: Table A9 -8-A, and page 6-4, "CEQA Air Quality Handbook," South Coast Air Quality Management District, 1993. The Coachella Valley has in the past been a non -attainment area for PM 10 (particulate matter of 10 microns or smaller). Recent analysis by SQAQMD has determined that the Valley has reached attainment, and a redesignation is pending. In order to control PM 10, the City has imposed standards and requirements on development to control dust. SCAQMD also suggests mitigation for vehicular emissions, which are integrated into the following mitigation measures: 1. No earth moving activity shall be undertaken without the review and approval of a PM 10 Management Plan. The applicant shall submit same to the City Engineer for each earth moving activity. 2. A PM 10 Management Plan shall be prepared by the applicant for the maintenance of the parking areas and festival grounds. Said management plan shall be reviewed and approved by the City Engineer prior to the initiation of the first public event on the project site. 3. Construction equipment shall be properly maintained and serviced to minimize exhaust emissions. 4. Existing power sources should be utilized where feasible via temporary power poles to avoid on-site power generation. 5. Construction personnel shall be informed of ride sharing and transit opportunities. 6. Construction parking and heavy equipment storage shall be located on the north property boundary. 7. Cut and fill quantities will be balanced on site. 8. Any portion of the site to be graded shall be pre -watered to a depth of three feet prior to the onset of grading activities. C:\My Documents\WPDOCS\EA Arts F Addendum.WP6.wpd 3 9. Watering of the site or other soil stabilization method shall be employed on an on-going basis after the initiation of any grading activity on the site. Portions of the site that are actively being graded shall be watered regularly to ensure that a crust is formed on the ground surface, and shall be watered at the end of each work day. 10. All disturbed areas shall be treated to prevent erosion until the site is constructed upon. Pad sites which are to remain undeveloped shall be seeded with either a desert wildflower mix or grass seed. 1 1 , Landscaped areas shall be installed as soon as possible to reduce the potential for wind erosion. 12. SCAQMD Rule 403 shall be adhered to, insuring the clean up of construction -related dirt on approach routes to the site. 13. Construction roads other than temporary access roads shall be paved as soon as possible, and once paved shall be cleaned after each work day. All unpaved roads shall be posted with a 15 mile per hour speed limit. 14. All grading activities shall be suspended during first and second stage ozone episodes or when winds exceed 25 miles per hour. 15. All buildings on the project site shall conform to energy use guidelines in Title 24 of the California Administrative Code. 16. The project shall provide for non -motorized transportation facilities and shall implement all feasible measures to encourage the use of alternate transportation measures. 17. Bicycle racks and/or other mandated alternative transportation provisions shall be included in project design, in conformance with City ordinances in effect at the time of development. 18. Low pressure sodium vapor lights shall be considered to reduce power plant emissions. 19. The project proponent shall comply with all applicable SCAQMD Rules and Regulations. With the implementation of these mitigation measures, the impacts to air quality from the proposed project will not be significant. Moreover, Improvements in technology which are likely to reduce impacts, particularly from motor vehicles or the transit route improvements in the future which may occur at the project site are not included in the analysis. Further, the air quality impacts from the C:\My Documents\WPDOCS\EA Arts F Addendum. WP6.wpd 4 proposed project falls within what was studied in the General Plan EIR. The City determined at that time that air quality impacts associated with the buildout of the City required a Statement of Overriding Considerations, which determined that the impacts to air quality of development of the Plan would be cumulatively significant when considered in conjunction with regional development, and that the City would implement all feasible measures to reduce emissions within its boundaries. In conclusion, neither the construction nor the operation of the proposed project, therefore, is not expected to have a significant impact on air quality resources. IV. a), b) d) & f) A biological resource study was prepared for the proposed project by James W. Cornett2. In addition, an Interim Biological Review, as provided in the Memorandum of Understanding for the Multi -Species Habitat Conservation Plan, was held on April 17, 2000. Finally, an on-site investigation specifically to detect the occurrence of Coachella Valley Milk Vetch was conducted on April 20 and 21, 20003. The biological resource analysis, which included on-site surveying of the project site, found that the Palm Springs ground squirrel does occur on site. The Coachella Valley fringe -toed lizard, desert tortoise and the flat -tailed horned lizard were not detected. Peninsular bighorn sheep are not believed to be present on the site. No invertebrate analysis was performed on the project site. The proposed project will result in the loss of 28 acres of desert habitat, including several mesquite hummocks. The project site is, however, isolated and already impacted by urban development, including development to the north, south and east, and illegal dumping activities which have occurred on-site. The proposed project occurs within the boundaries of the Coachella Valley Fringe -toed Lizard Habitat Conservation Plan. As such, the project proponent shall be required to contribute $100 per acre to the appropriate agency for the purchase of off-site habitat. Based on the biological resource analysis, the consultation with the California Department of Fish and Game and U. S. Fish and Wildlife Service and the milk vetch investigation conducted on this site, the following mitigation measures shall be implemented: 'Biological Assessment and impact Analysis prepared by James W Cornell, April 1999 Letter report from James VV Ccmett Aral Zn 2000 C:\My Documents\WPDOCS\EA Arts F Addendum. WP6.wpd 5 Bighorn Sheep Fencing. The Foundation shall actively and on an on-going basis monitor the project site any signs that bighorn sheep are entering the site. The Foundation shall request a list of indicators used to identify sheep presence from DFG prior to grading of the site. The Foundation shall take steps to ensure that any observations of bighorn sheep on or near the project site are reported to DFG and the City immediately. If information suggests that bighorn sheep are entering the project site, the Foundation shall construct, at its expense, an 8 -foot fence between the development and the hillside. The fence shall not contain gaps of greater than 11 centimeters (4.3 inches). The Foundation shall notify DFG immediately upon receipt of the information suggesting that bighorn sheep are entering onto the project site, and seek any further guidance DFG has to offer regarding the construction of the fence. The fence shall be constructed within three months of the receipt of information suggesting that bighorn sheep are entering onto the project site. If requested to do so by DFG, the Foundation shall, at its expense, construct temporary fencing to the specifications of DFG to prevent bighorn sheep from entering the project site pending construction of the fence. Any and all fencing constructed will be subject to the City's Hillside Conservation Overlay District. 2. Pesticides. The Foundation shall submit a plan, approved by a biologist, which demonstrates that all pesticides, fungicides, herbicides, and fertilizers used on the site will not be harmful wildlife. 3. Lights. The Foundation shall submit a lighting plan to the City for review and approval. The plan shall avoid the illumination of the hillsides adjacent to the project site. All exterior lighting shall be aimed away from the hillside. 4. Landscaping. The Foundation shall prepare and submit for approval a landscaping plan which will not expose wildlife to toxic materials. All exotic or toxic plans, such as Oleander and Prunis, and plants which are known to invade or degrade bighorn sheep habitat, such as tamarisk, fountain grass, shall be strictly prohibited. The landscape plan shall be approved by a certified biologist, which approval shall state that the proposed landscape materials are not known to be harmful to wildlife. 5. 2081 Permit. If required by law to do so, the Foundation shall obtain a 2081 permit from CDFG. C:\My Documents\WPDOCS\EA Arts F Addendum. WP6.wpd 6 6. No connection to hillside trails. The Foundation shall design its project so as not to facilitate persons to enter onto the hillsides from the project site. To the extent that any portion of the project site begins to be used by persons to enter into the hillsides, the Foundation shall post notices discouraging such use. 7. Coachella Valley Fringe -toed Lizard. The project proponent shall contribute $100 per acre in compliance with the requirements of the Coachella Valley Fringe -toed Lizard Habitat Conservation Plan. Should a Section 2081 permit be required for this project, the fee paid shall be credited from any and all mitigation measures imposed by the 2081 permit. V. a), b) & d) Two cultural resource investigations were conducted for the project site. The first consisted of a site investigation and report, which recorded a potentially significant site, and recommended further analysis4. The second consisted of an on-site excavation of the recorded sites. The project site includes three previously recorded sites, and one site recorded during the first site survey in 1998. Testing and data recovery had previously been completed on the three previously recorded sites in 1991. The occurrence of multiple mesquite hummocks makes it likely that additional resources are located on site, and careful grading and on-site monitoring were recommended in the first study. The second study, completed to report on the testing and data recovery at CA-RIV- 6214. This process concluded that the site is not significant beyond the recovery performed for the study. Because there have been previously deeply buried sites found in this area under sand dunes, the following mitigation measure shall be implemented: An archaeological monitor shall be on site during any grubbing, earth moving or excavating activity. Should a resource be identified by the monitor, he or she shall be empowered to halt or redirect grading activities while the resource is properly identified and studied. The monitor shall file a report with the City of his or her findings, including disposition of any resource identified. V1. a) i) The proposed project does not lie in an Alquist-Priolo hazard area. No known earthquake fault occurs within several miles of the proposed project. The potential impact for fault rupture is not expected to be significant. •A Cultural Resources Inventory and Evaluation of !me La Ouinla Arts Center Project' prepared by ASM Affiliates, December 1998 5 'Archaeological Investigations at CA-RIV-5214 Dreoared by ASM Affiliales, April 2000 C:\My Documents\WPDOCS\EA Arts F Addendum. WP6.wpd VI. a) ii) The proposed project occurs in a Zone III groundshaking zone. The City has adopted the provisions of the Uniform Building Code for this hazard. Construction of any structure on the project site will conform to these standards, and will reduce the potential hazard to a less than significant level. VI. a) iii) The proposed project does not occur in a liquefaction hazard area. The depth to groundwater in the project area is estimated to be more than 50 feet6. The soils on the site are loose silty sand, which has the potential to shift in a seismic event. The soil engineering report prepared for the proposed project recommends over -excavation and recompaction of the site in any area where structures are proposed. The findings of the report are preliminary, and not based on construction plans. The City's standards for site preparation and geologic analysis, as detailed below, will reduce this potential impact to a less than significant level. VI. a) iv) The proposed project occurs adjacent to the foothills of the Santa Rosa Mountains. During a significant seismic event, it can be expected that rocks from the adjacent hillsides will fall to or near the site. The proposed site plan, however, does not propose construction of any structure within 250 feet of the western property line. This distance will provide sufficient buffer to minimize the potential impacts of rockfall on the proposed project. VI. b) As discussed above, the soils on the proposed site are loose silty sand. As such, unstable soil conditions can occur from improper grading or excavation. The City's standards for site preparation shall be adhered to in all site preparation activities. In order to reduce the impacts of unstable soils on the proposed site, the following mitigation measure shall be implemented: Prior to issuance of a grading permit for any structure on the proposed site, the applicant shall submit, for review and approval by the City Engineer, a detailed, site specific soil study, which shall include recommendations designed for the specific structure being constructed. VI. c) As discussed previously, the proposed project occurs adjacent to the Santa Rosa Mountains. Steep hillsides rise from the property's western boundary, and represent an important geologic feature for the City. The proposed project does not, however, propose to disturb any area within the toe -of -slope, as defined in the City's Hillside Preservation Ordinance. Insofar as no development will occur in the toe -of -slope, the significant geological feature will be preserved, and there is not expected to be a significant impact. 6 'Sod Engineering Report' prepared by Earth Systems Consultants January 1999 C:\My Documents\WPDOCS\EA Arts F Addendum. WP6.wpd 8 VIII. a) The water to be retained in the parking lots will be contaminated by the oils, gasoline and other chemicals leaked from vehicles in the parking lots over a long period of time. These hazardous materials can potentially percolate into the soils below the parking lots, and eventually contaminate groundwater. Technology exists which can reduce these potential impacts to a less than significant level. The following mitigation measures shall be implemented: 1 . The applicant shall submit to the City Engineer for review and approval, a comprehensive storm water management plan, prior to the issuance of grading permits. The plan shall describe any and all "water cleaning" technologies to be implemented on the project site. Such devices could include, but are not limited to oil separators, interceptors and swales. VIII. b) 2. All drainage facilities shall be maintained to a level acceptable to the City Engineer. Although the proposed project will utilize water for irrigation and in its operation, the potential impacts are expected to be less than significant. The proposed project will utilize water in quantities far lower than those which could be expected from residential development on the site. In addition, the use of parking lots as retention basins enables water to be recharged into the groundwater basin. Finally, irrigation water will also percolate into the ground, and be eventually re -absorbed into the groundwater basin. Domestic water is provided by the Coachella Valley Water District, which extracts groundwater from a number of wells in the Lower Thermal sub -basin. The impacts to domestic water supplies are not expected to be significant, since limited activity on the site, combined with percolation from storm water retention and irrigation, will lower the impacts to the aquifer. VIII. c), d) & e) Any development proposal reduces the amount of natural terrain available for percolation, and changes drainage patterns. The proposed project will be largely unpaved, and will consist of parking areas covered with decomposed granite or similar material. The areas of the development project which will be paved for roads, the amphitheatre area, and the restroom and office/education buildings will no longer be able to absorb surface runoff. The City requires all development proposals to retain flows generated by the 100 year, 24 hour storm on-site. This requirement contains drainage to the site on which it occurs, and in this case, will also assure the safe routing and discharge of flows from the hillside. Altogether, the site must contain 13.26 acre feet. A series of debris and retention basins will be required. The City Engineer will impose conditions of approval on the proposed project which will C:\My Documents\WPDOCS\EA Arts F Addendum. WP6.wpd 9 require that the applicant prepare plans and studies which meet the City's standards, contain on-site and off-site flows, and provide an acceptable safety factor. These conditions of approval will provide for sufficient mitigation to reduce the potential impacts to an acceptable level. The location of the parking areas and festival grounds within retention basins poses a potential significant impact on people visiting the proposed project. Storms in the desert are frequently sudden, of short duration, and of large volume. The Specific Plan states that the facility will not be used during periods of imminent storms. However, the occurrence of sudden storms, the large number of people and vehicles which could be on-site, and the rapid filling of retention areas is a potential hazard. In order to minimize the potential impacts to people from flooding hazards, the following mitigation measures shall be implemented: 1 . The Foundation shall coordinate with the City's emergency preparedness staff, and shall prepare, for review and approval, an emergency evacuation plan for all areas of the project site. 2. The Foundation shall establish a formal emergency preparedness training program. All volunteers and paid staff shall participate in training to familiarize them with emergency evacuation procedures at the site. 3. There shall be no activities in the festival grounds, and all parking areas shall be cleared of vehicles at any time when the National Weather Service issues a severe storm warning for the La Quinta area. 4. All debris basins shall be maintained to a level acceptable to the City Engineer. IX. b) The General Plan and Zoning designation for the proposed project are Low Density Residential. The project includes a proposed Specific Plan which will delineate the permitted uses. The proposed project represents a departure from the identified primary land use for the property, namely, low density residential development. The General Plan does not prohibit the proposed use in its policies and programs. The Specific Plan, if approved, will authorize the uses. The Zoning Ordinance expressly provides for these uses with the review and approval of a conditional use and minor use permit. A conditional use permit has been submitted as part of this application, and minor use permits will also be applied for in the future as required by the Zoning Ordinance. The project is not in conflict with any applicable environmental plans or policies, including those set forth in the City's General Plan. The proposed project will occur adjacent to existing low density residential development (Laguna de la Paz). The proposed uses include art festivals, entertainment events in both the daytime and evening hours, educational C:\My Documents\WPDOCS\EA Arts F Addendum. WP6.wpd 10 programs, and administrative office uses. The Specific Plan document identifies art festival and concert events which, if held sequentially, would occur on 1 1 5 days during the year. In addition, educational and gallery events in the proposed 60,000 square foot building would occur on 175 days per year, and administrative activities will be on-going. This represents a more intense level of activity than would be expected in a low density residential development. The existing low density residential to the south of the proposed project could be significantly impacted by such a level of activity, if no mitigation measures were proposed. The Specific Plan proposes several design features intended to mitigate the impacts of the proposed project on adjacent residential development, as follows: * The installation of 3 to 4 foot high berms along the southerly boundary of the proposed project adjacent to the general parking area only. *Along the southern boundary adjacent to the festival grounds area of the project, a wall extending 3 to 4 feet above the existing Laguna de la Paz wall is proposed. *Along the southern boundary adjacent to the artists' parking area, a 9'6" berm is proposed. In order to mitigate the potential impacts of the proposed project on the residents of Laguna de la Paz, the following mitigation measures shall be implemented: For all events, the northerly portion of the general parking area shall be filled prior to the opening of the southerly general parking area for use. 2. "Set up" and "break down" activities in the festival grounds shall conform to the City's hours for construction activities, as stipulated in the noise ordinance. 3. All parking areas, especially the artists' parking area, shall be posted "No overnight parking." In addition, artists' vehicles shall not be allowed to idle, or to operate generators during festival events. 4. Temporary bathroom facilities shall not be located within 300 feet of the southern property line. 5. The future restroom facility proposed for the southeastern corner of the festival grounds shall be relocated and shall be at least 300 feet from the southern property line. 6. All construction, including the construction of parking lots and the festival grounds, shall be subject to a Site Development Permit. C:\My Documents\WPDOCS\EA Arts F Addendum. WP6.wpd 1 XI. a), b) & c) A noise impact analysis was performed for the proposed project'. The noise analysis found that current conditions at the project site include a 70 dBA CNEL noise level at a distance of 100 feet from the center line of Washington Street. Future (201 5) ambient noise levels are expected to reach 75 dba CNEL at the eastern property boundary, and to be between 60 and 65 dBA CNEL at the western property boundary. The noise analysis also included monitoring of La Quinta Arts Festival events during the month of March, 2000. The analysis included monitoring of entertainment events, a diesel power generator used to power festival lighting, a dining area within the festival grounds, artist booths and mobile noise sources. The analysis found that the loudest source of noise during the festival was the entertainment stage, and that at a distance of 50 feet, a noise level of 81 dB Leq was recorded. That noise level fell to 60 dB Leq at 225 feet from the stage. This noise reduction was in great part due to the sound -absorbing properties of the artist booths. The monitoring data was then applied to the proposed project site. The results of this analysis are summarized below. Musical Performances: The analysis found that if small, directional speakers are utilized at the amphitheatre, a noise level of less than 50 dB can be expected at the residential units at Laguna de la Paz, and 75 dB in the open space areas to the west. Public Address Systems: The impact of such a system will be less than that of a musical event, provided all public address microphones are directed in a northerly direction. The analysis further recommends that public address use cease during evening hours. On-site Traffic and Parking Areas: The noise emitted from parking vehicles is not expected to be a significant impact, particularly as the 70 dB noise contour occurs on the site, in the area of the parking lots. 1 , Only small, directional speakers, pointed in a northwesterly direction, shall be installed or utilized at the amphitheatre. No speakers or amplification of any kind shall be utilized within the amphitheater between 10:00 p.m. and 10:00 a.m., and no events shall be held in the amphitheater between 12:00 a.m. and 10:00 a.m. 2. All public address system speakers shall be pointed in a northerly direction. 'Acoustical Analysis Reoort ' prepared by Douglas Eilar & Associates, April, 2000 C:\My Documents%WPDOCS\EA Arts F Addendum. WP6.wpd 12 XII. a) 3. All public address system use shall cease between 7 p.m. and 7 a.m. 4. Signs shall be posted in the southern General Parking Area requesting that care be taken to disable automobile alarm systems in consideration of the residential land uses to the south. 5. A solid barrier shall be constructed along the eastern and southern boundaries of the proposed project. The barrier may be a berm or wall, but in either case shall have no gaps. If a berm is constructed, it shall be 5 feet in height. If a wall is constructed, it shall be no less than 6 feet in height. Such a barrier shall be designed to block the line of sight to adjacent residences, and as such the computation of height shall be based on the grade of the adjacent residences, since these grades are higher than those planned for the proposed project. 6. The Foundation shall include, in all its agreements with outside entertainment providers, a notice which advises the contractor that the Foundation strives to provide a quiet noise environment on its grounds, and shall further notify the contractor of mitigation measure no. 1, above. 7. The finished grade of the southern portion of the General Parking Area, the Artists' Parking Area and the Festival grounds shall not be higher than the parallel existing grades within Laguna de la Paz. 8. Construction equipment storage and maintenance shall be located at the northern property line. 9. All construction equipment shall be equipped with mufflers, and shall be maintained in good operating order. 10. All construction activity shall conform to the City's standards, included in its Noise Ordinance. 11. The southerly General Parking Lot and Artists' Parking Lot shall be cleared and closed by 12 a.m. whenever the site is in use. The southerly two rows of the artist parking lot shall be vacated no later than 10:00 p.m. 12. No amplified sound shall occur after 10:00 p.m. The proposed project may indirectly induce growth, insofar as any City's amenities and recreational opportunities influence a homebuyer's decision to purchase. The location of the proposed project will provide for such added recreational and cultural amenities. This potential impact, however, is not expected to be significant. C:\My Documents\WPDOCS\EA Arts F Addendum.WP6.wpd i 3 XIII. a) The construction of the proposed project will result in short-term potential impacts for both police and fire services. The gathering of a large number of people for short periods of time increases the potential for a need for such services. However, such short-term impacts are not expected to be significant, if the following mitigation measures are implemented: XV. a) All development plans shall be routed to the Fire and Police Departments for review and comment. Once the project is complete, a final "as built" site plan shall be provided to both agencies for their files. 2. All Minor Use Permits for the project site shall be transmitted to the Fire and Police Departments for review, comment and conditions of approval. 3. The Foundation shall ensure that all activities of its traffic control officers, as required under item VI. Above, shall be coordinated with the Police Department. All development has an impact on governmental facilities and services. The Foundation will be required to participate in the City's Impact Fee Program, which helps to offset roadway improvements. In addition, the revenues generated by the site will result in sales tax for the City, which will offset any needs for additional municipal services. The proposed project is not expected to have a significant impact on municipal services or facilities. The proposed project occurs on the west side of Washington Street, between 47th and 48th Avenues. A median island currently exists in Washington Street. Washington Street has been recently improved to three lanes in both directions from the 1-10 Freeway to the project site. No median break is planned for the project site. A traffic analysis was prepared for the proposed project8. The traffic analysis concludes that the proposed project will generate up to 686 peak hour trips during major events. It is further estimated in the traffic study that 45% of all trips exiting the site will go east on 48th Avenue, 20% will go south on Washington Street, and 35% will go north on Washington Street. The analysis further concludes that traffic conditions in 2001, after project buildout, will remain at current levels of service, and will not cause either the intersection of Washington Street & 48th, or the intersection of Highway 1 1 1 & Washington Street to drop below the City standard LOS D. The traffic analysis results in the following mitigation measures: 'Traffic Study for La Quinta Arts Foundation Arts Center' prepared by Korve Engineering Inc November 1999 C:\My Documents\WPDOCS\EA Arts F Addendum. WP6.wpd ! ` XV. e) XV. f) Traffic control officers shall be employed by the applicant during all events occurring at the amphitheatre. Said traffic control officers shall be stationed at the intersection of Washington Street and 48th, and Washington Street and 47th before and after each performance. 2. The City shall monitor the need for traffic control officers during other major events, and may require such officers through the Minor use Permit process. 3. The Foundation will be required to participate in the City's Impact Fee Program, which helps to offset roadway improvements These mitigation measures will reduce the impacts of the proposed project to a less than significant level. The proposed project provides for paved access within 100- 150 feet of any future structure, which will meet the requirements of the Fire Department. Several gates within the proposed project will be conditioned to be equipped with Knox Boxes or similar devices to enable emergency vehicles to get in. The only area where a potential impact occurs is as regards the provision of emergency medical treatment for an injured party in the festival grounds. The following mitigation measure should reduce this potential impact to a level of insignificance. 1 . The Foundation shall establish a medical response plan, in coordination with the Fire Department, and shall have staff on-site at all events trained in the implementation of such a plan. The Specific Plan proposes a reduced parking standard for the project site. Parking is proposed in several areas, most of which is located in the General Parking lots at the eastern boundary of the project site. In addition, 340 parking spaces are available through a reciprocal parking agreement with the adjacent catholic church. The conditions of approval prepared for the project will require that adequate on-site parking is provided. The following mitigation measures are to be implemented: Parking shall be provided on site to accommodate the peak hour of a major event (1 ,200 persons in one hour), concurrent with an event at the amphitheatre (2,400 persons). 2. No parking shall be permitted on Washington Street at any time. 3. The City shall monitor parking problems at major events, and shall provide restrictions or additional conditions of approval through the Minor Use Permit process should parking problems develop. UMM The proposed project does not indicate any parking spaces for bicycles on the site. The Zoning Ordinance requires such a standard. In addition, the provision of such parking will encourage non -motorized travel and reduce emissions from vehicles. Further, the site occurs along a SunLine Transit bus route. The use of public transportation to and from events at the site should be encouraged. The following mitigation measures shall be implemented: Bicycle parking shall be provided in conformance with the standards established in the City's Zoning Ordinance. 2. The applicant shall provide a bus turnout, bus stop and amenities including a shelter, bench and trash receptacles along the property boundary, to the satisfaction of both SunLine Transit and the City. XV. b) c) & f) The construction of the proposed project will have a limited impact on sanitary sewers, storm drainage, solid waste disposal and water supplies. 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C C p C J m E a) E jm E a) mO fn F- ` O E zCL Z O a) D a) >" C a) 0 a).c a) C a) c 0 L N� LLC W 0) O) C W m E W W ,� a) -0 co — E a >- m p >, a — a) -0 }r + m U m U 0 U U 0 m U O a) cn N -0 `O Q) cn E +' f0 � �° vii c0 a� C -a Q) ui a) 7 O -0 > _0 O a) Z O i- ` i C o U + 0 O O cp CM a) J -0 cn 3 cc U c0 O U c0 cn a +� cn E M "0 C C +' _Y +J +' N C @ O O C (') N E E E In O C O a U Y � 0 co a a) a C a O U O a) W a) C +� O p O 0 O C ca co E co a cn -c c 0 5 - — • � 0 c a) .0 cn Q vicu N U N U co —_ ,_ O cn E m= t c a) a) a) ns • 0 cn O N rn as � 0 �° 0 a o a) LU U �' CO a cn m 0 - a (n > o C rn U ` O Q ° cn 7 a c> a) U ON Q �' (n C O W > + +� a) Q1 0 r CO Q)0 8) O E O Cl) c0 cn a) co U c0 H Y cn +J a) N +, 0) cn m C C .- N cn c0 C a) � C .L O > 7 a) _ N U� 0 O U > a) c0 E m 4) N O c O = a) d O L i O O F O) O Z N N I— c 70 N a U% J C U O> p Wco U W 0 co U C C c fn U) W > CD cn C Oa Y C 0 _ U N O CO O ` _ O O 7 a) N c9 a) a) + ` cD co L x W U. C J Z � C N+ a C`) a7 L[) 0 cD a7 I� a 00 a c� a+ n r June 20, 2000 La Quints Arts Foundation Specific Plan APPENDIX C MANUFACTURER'S SPECIFICATIONS FOR SOIL STABILIZER FOR GENERAL PARKING LOT AND ARTISTS' PARKING LOT STABILIZER SOLUTIONS, INC. 205 SOUTH 28TH STREET PHOENIX, ARIZONA 85034 TEL: (602) 225-5900 FAX.• (602) 225-5902 Warner engineering 03/21/2000 13:03 7607722974 DESERT ROCK, Ij °-1 SOLUT ION5 Stxhilizcr Solu«urn, htc. 205 nulh 2ltlh suet( Phocwx.AriAunr 85014 • a;SA (602) 22c-19oo Fax- (602) 1211-1907 100-31iQ468 W&hthc tlabilic"soluticals.cuff, C-Axil::phuhbs;«slabdides sultit 19no om 03-21-00 Gary Schaeffer Desert Rock Supply, Inc. PO Sox 924 La Ownta, CA 92253 Fax: 760772-2974 Re: L■ Quints Arts Foundation Parking Areas Stabilizer is a natural binder that is used to stabilize crushed stone screenings and decornposed granite for pathways, driveways and parking nrea applications. It works by activating It with water which then cements fines together to produce a stable surface. It reduces the porosity of the natural stone but not totally. It still allows for infiltration between % inch to % inch per hour, depending on the type of rock used and the amount of Stablhzer used. Marshall stability testing shows that 1% inches of Stabilized decomposed granite has the same compressive strength as 1 inch of asphelt paving. Stabilizer will help reduce dust but does not completely eliminate 4 The nature of decomposed granite is to continually break down in smaller particles. There are :oats dust control products and or waiter that are not permanent that can be applied before events to control dust. We have used as product called Soil Serpent to totally eliminate dust. It is used as a sealer over the Stabilized surface. It does reduce the wafter infiltration. We would like to set up a small test plbt with the proposed decomposed granite, Stabilizer and Sal Serpent for the City of La Quinta to test and to determine that this surface Is suitable br this application. Best regards fi r ort Hubbls zo-e z0e9-9za-ZO9 SMOI-Ln los bgzi-lIaVls vtao: tl O0 -CZ --&9W Turffiri&, the polyprupolene strands incorporated with the sand mix of an increasing number of sportsfields in North America and now Australia, were recently subjected to demanding traffic tests in Victoria on grass sown less than two months earlier. -I'hc Metropolitan Dire Board pro- Vtded nvo of its largest trucks loaded with %vatcr that were driven backwards ,tnd forv.-ards over the trial section of turf near Pakcnham, with the grass standing LIS surprisingly well to this tgorous trial Ilohcrt D.ivcy. ,Managing Director of the Australian distributors, Stabilizer soluuc,ns, ta,ld Mrf Craft that the trials were held on what was to then the wcItest week ofthc vear in that district -'And not content to settle for trialling ,n such wet weather, ad- ditional water vas hosed on the gratis (luring the trials to see just how well the grass could withstand such traffic. Wc %vcrc delighted, though not sur- prix-d. (vrth the strong netting effect thc-I-urR,rids ohyiously had in helping nchr,r the grass " Turf( ndS were launched in ALIS- traha Icss than 18 months ago, at a time whcn they were being widely ntrodLI(cd to football and baseball stadiums 111) Cl equestrian centres ,around .tiorth Amcrica. According to 0avev, the TurfGrids are becoming well a(ccpted in Australia with the work they have had done. tic pointed out that areas likely to expect a lot of traffic over the grass Will hcncfit considerably from the rcmarkahle holding capacity of the 'I'urfGnds "And it is truly a cost effective product to have installed," he added PC 30 - TURF CRAFT RUST. July 1995 TurfGrids get the nod from Fire Brigade 'Icrn Fithall_ Stahiliccr tit,lutir,ns' man-in-thc field explained lit- I'ttrf Grids were dcvclopcd to enhance• the natural root strength of shorts Curl and to provide :m all weather l}I;ning surface. "The fihres .arc discrete hhnll:iced polyPropylcnc strands that arc mixed or blended into sands Uuring IIIc blending process clic- fihres ()pcn ur filamentizc into grid and hhrc (un - figurations that mcchanro_,Ill\- rein force soils "We have found [hcv crc;uc .t nckv soil structure with cnh;tnccd engi- neering prohcrtics that rcduccs soil compaction whdc improving Itrt(I bcaringcapahilitics. prr,\ td,ngstahtlity to the sand." he Said 'I'ctrfGrI(Is It Scc[IIs 1)F(WIdoz the LISCF with a natural surface which has all IIIc qualities of traditional turf with the durability and life span of the xcry hest in artificial surfaces. Many of the football and haschall stadiums that introduced I'tlrf(lrlds in the (I'S have the time to ovcrsccd and sod in preparation for the next season l'hcv have reported excellent results Pithall said that surfaces used for football and horse racing can be replaced entirely or have the ,vsIcni installed in areas of hca %- uSc 'Coal squares in foothall that often hcconic wont during the season, will hcncfit ;t lot with the introduction ail -I'urfGrlds " lic hchcves they are cxtrcnuly economical to introduce, costing ti1)1v marginally more than a traditional turf surface. ■ ABOVE: This large lire tender is run up onto the trial section of turf that includes the TurfGrids, and then is reversed backwards and forwards to simulate heavy traffic on this area. The trial was conducted in wet weather. LEFT: To really put the acid test on the TurfGrids trial, water is pumped onto the section beneath the wheels while the lire truck continues to move for- wards and backwards, with minimum damage done to the turf. stabilizer S O L U T I O N S Stabilizer@ is a patented, non-toxic organic soil additive for dirt or crushed stone surfaces. It is a colorless, odorless concentrated powder that is a natural glue. Stabilizer@ binds and locks aggregate screenings to provide a firm natural surface for pathways, trails and driveways. Stabilizer does not act directly on larger aggregate. Stabilizer@ mixed with indigenous crushed stone screenings creates a natural surface that complements any park or garden. Stabilizer@ is the only natural soil binder available. It's non -staining and non-toxic. It is not harmful to plants, animals or humans. It works in all climatic conditions and it is easy to use. Stabilizer@ is an affordable alternative to concrete, asphalt, pavers and other hardscape surface materials. Stabilizet@ can be pre -blended in a mixer or pug mill. It can also be installed by rototilling into existing materials. For more information on installing Stabilizer@ into your landscape or garden, call Stabilizer, Inc. Stake and measure area according to the rate of Stabilizer@ to be used. 2. Spread the approved crushed stone to desired depth and level to grade. (Two-inch depth for foot traffic and three-inch depth for vehicular traffic.) If it is an existing surface, rototill twice to break and crush the surface material. Rototill to two-inch or three-inch depth. 3. Spread the Stabilizer@ with a commercial type drop spreader at the recommended rate. 4. Rototill until Stabilizer@ is mixed thoroughly to the complete depth. Hand grade unlevel areas created by the Rototiller. 5. Water heavily with a hose to achieve full depth moisture penetration of the mix. (Do not water with a water truck.) Test for penetration by random core inspection. 6. Roll and compact as soon as possible with a one- to five -ton roller. If the surface is flaky or sticks to the roller drum, add more water. If the roller creates a wash board effect or rills, extra Setup time is necessary. The rototilling process may create low areas. It is necessary to make repairs by mixing StabilizeiO and the crushed stone mix together in a mixer or by hand in a wheelbarrow by adding water as you would concrete. Scarify the area first with a steel rake, add the mixture, level and compact. A Stabilized pathway or driveway should be engineered to shed water off the sides. Avoid carrying excessive water. Drain pipes, culverts or trenches may be necessary to divert runoff. 9. Failure to properly mix and water Stabilizer@ thoroughly may result in surface chipping, cracking or excessive moisture retention. Stabilizer@ is a grain -type dust material. Dust precautions should be taken. Store in a dry area. Stabilizer Solutions, Inc. 205 S. 28th Street Phoenix, Arizona 85034 • USA 602.225-5900 Fax 602.225-5902 1.800•-336.2468 Website: stabilizersolutions.com e-mail: Iphubbs@stabilizersolutions.corri 4/99 67ol stabilizer" SOLUTIONS Stabilizer Solutions, Inc. 205 S. 281° St. Phoenix, AZ 85034 800-336-2468(Fax)602-225-5902 Website: stablllzersolutlons.com E -Mail: Iphubbs@stablllze rsolutlons.com STABILIZED CRUSHED STONE SURFACE SPECIFICATION PART1 GENERAL 1.1 SCOPE OF WORK A. Work included in this section. 1. Decomposed granite or crushed 3/8" or 1/4" minus aggregate paving with Stabilizer binder additive. 1.2 SYSTEM DESCRIPTION A. Decomposed granite or crushed 3/8" or 1/4" minus aggregate paving with Stabilizer binder additive and SportGrids fibers for strength. Fibers are an optional additive, best when extra load bearing strength is needed. 1.3 SUBMITTALS A. Products; Five Ib. sample and sieve analysis for grading of decomposed granite or crushed 3/8" or 1/4" minus aggregate. 1.4 TESTS A. Perform gradation of decomposed granite material or 3/8" or 1/4" minus crushed aggregate in accordance with ASTM C 136 — Method for Sieve Analysis for Fine and Course. 1.5 MOCK-UPS A. Install 4 ft. wide x 10 ft. long mock-up of decomposed granite or 3/8" or 1/4"minus crushed aggregate paving with Stabilizer additive at location as directed by owner's representative. 1.6 ENVIRONMENTAL CONDITIONS A. Do not install decomposed granite or crushed 3/8" or 1/4" minus aggregate paving during rainy conditions. 1.7 QUALITY ASSURANCE A. Installer- provide evidence to indicate successful experience in providing decomposed granite or gushed 3/8" or 1/4" minus aggregate paving containing Stabilizer binder additive. 1.8 EXCESS MATERIALS A. Provide owner's authorized rep. with the following excess materials for use in future decomposed granite or 3/8" or 1/4" crushed aggregate paving repair: 40 — 50 Ib_ bags of the aggregate paving 1— 40 Ib. bag of the Stabilizer additive 09/16/99 PART 2 PRODUCTS 2.1 DECOMPOSED GRANITE OR 3/8" OR 1/4" CRUSHED AGGREGATE SCREENINGS A. Crushed Stone Sieve Analysis Percentage of Weight Passing a Square Mesh Sieve AASHTO TI 1-82 and T27-82 '/4" MINUS AGGREGATE GRADATION Sieve Desi nation Range of % Passin 3/8" 100 No. 4 95-100 No. 8 75-80 No. 16 55-65 No. 30 _ 40-50 No. 50 25-35 No. 100 20-25 No. 200 5-15 B. Acceptable local supplier — list to be provided. 2.2 STABILIZER BINDER A. Patented, non-toxic, organic binder that is a colorless and odorless concentrated powder that binds decomposed granite or crushed 3/8" or 1/4" minus aggregate together to produce a firm surface. B. Provided by Stabilizer Solutions, Inc., 1-800-336-2468. 2.3 SYNTHETIC FIBER REINFORCEMENT (OPTIONAL) A. Provided by Stabilizer Solutions, Inc., 1-800-336-2468. (As recommended) PART 3 EXECUTION 3.1 BLENDING STABILIZER A. Blend 12-16 lbs. of Stabilizer per ton of decomposed granite or crushed 3/8" or 1/4" minus aggregate screenings. It is critical that Stabilizer be thoroughly and uniformly mixed throughout decomposed granite or crushed 1/4" or 3/8" minus aggregate screenings. 3.2 BLENDING SPORTGRIDS FIBERS (OPTIONAL, only if recommended) A. Blend 3 to 5 pounds of SportGrids fibers per ton of decomposed granite or crushed 3/8" ort/4" minus aggregate screenings. 3.3 PLACEMENT OF DECOMPOSED GRANITE SCREENINGS OR CRUSHED 3/8" OR 1/4" MINUS AGGREGATE SCREENINGS A. Upon thorough moisture penetration, compact aggregate screenings to 95% relative compaction by compaction equipment such as; double drum roller (2-4 ton) or single drum roller (1000 lbs.) vibratory plate tamp. Do not begin compaction for 6 hours after placement and up to 48 hours. B. Take care in compacting decomposed granite or crushed 3/8" or 1/4" minus aggregate screenings when adjacent planting and irrigation systems. 3.4 REPAIRS AND PROTECnON A. Remove and replace decomposed granite or crushed 3/8" or 1/4" minus aggregate paving that is damaged, defective or does not meet requirements of this section. 09/16/99 THE FOLLOWING CROSS SECTIONS MAY BE USED FOR THE INSTALLATION OF CRUSHED STONE SCREENINGS AND STABILIZER AS THE BONDING AGENT. THESE DETAILS MAY ALSO BE MODIFIED TO MEET SPECIFIC CONDITIONS. iF tv 11 7111000 �. c� STABILIZED CRUSHED STONE SCREENINGS TOP COURSE BASE COURSE USE YOUR STATE'S DOT EQUIVILLENT FOR BASE COURSE 6" X 4" STEEL EDGING /4"/FT I/4"/FT 3" 1 COMPACTED SUBGRADE CROWNED PAVING SECTION FOR WALKS/CARS/LIGHT TRUCKS 1 /4"/FT I 1/4"/FT pga it - ! VrA Mil SUPER ELEVATED PAVING SECTION DO NOT EXCEED 112"/FT < 4% ALL SPECIFICATIONS ABOVE ALSO APPLY TO THIS SECTION NOTES: 1. Other types of edging may be substituted for steel i.e. aluminum, pressure treated lumber, brick or other masonry units. 2. On steep cross slopes, provide a drainage swale on the upside of the paving. 3. The thickness of the base course will vary according to use requirements and the compactability of the subgrade. 09/16/99 pa"_ i;n stabilizer` 0LUTIONS MAINTENANCE AND REPAIR PROCEDURES FOR STABILIZED CRUSHED STONE PATHWAYS, WALKWAYS, CART PATHS, DRIVEWAYS, PARKING LOT AND PATIO AREAS A. MAINTENANCE 1. Remove debris, such as paper, grass clippings, leaves or other organic material by mechanically blowing or hand raking the surface as needed. 2. During the first year, a minor amount of loose aggregate will appear on the surface (1116 to 114 inch). If this material exceeds a 114 of an inch, redistribute the material over the entire surface. Water thoroughly to the depth of 1 ". Compact with power roller of no less than 1000 lbs. This process should be repeated as needed. 3. If cracking occurs, simply sweep fines into the cracks, water thoroughly and hand tamp with an 8" to 10" hand tamp plate. B. REPAIRS 1. Excavate damaged area to the depth of the Stabilized aggregate and square up side walls. 2. If area is dry, moisten damaged portion lightly. 3. Pre -blend the dry required amount of Stabilizer powder with the proper amount of aggregate in a concrete mixer. 4. Add water to the pre -blended aggregate and Stabilizer. Thoroughly moisten mix with 25 to 35 gallons per ton of pre - blended material or to approximately 10% moisture content. 5. Apply moistened pre -blended aggregate to excavated area to finish grade. 6. Compact with an 8" to 10" hand tamp or 250 to 300 pound roller (if area is high traffic such as, cart path, driveway, parking lot, use a larger 1000 Ib. roller). Keep traffic off areas for 12 to 48 hours after repair has been completed. STABILIZER SOLUTIONS, INC. 205 SOUTH 28^' ST., PHOENIX, AZ 85034 800-336-2468 • 602-225-5900 • Fax 602-225-5902 • stab llizersolutions.com 64"ol 40' S0 T 1 0 NN u IUIIR! v SC7LUii[75 FIBER REINFORCED TURF INSTALLATION GUIDELINES I. STABILIZED SAND BASE SYSTEM WITH TURFGRIDS OPTIMAL FIBER A. SCOPE OF WORK 1. Grade and compact sub -base to 95% compaction (ASTM D698). Surface must be smooth, not leaving wheel ruts. 2. Install 3 -inch (7.6 -cm) minimum gravels drainage layer over sub -base and incorporate approved drainage system as determined by site specifications. Gravel should be compacted to 95% of maximum dry density, and finish -graded with no wheel ruts. 3. Install a 10 -inch (25.4 -cm) minimum of approved rootzone medium with loader or dozer. Care should be taken to avoid leaving ruts in the gravel base. 4. The rootzone medium should be water -settled and fine graded. 5. The rootzone medium should be consolidated with a roller to a dry density, between 87 lbs. and 100 lbs. per cubic ft. Maintain moisture content between 8% and 10% during installation procedure. 6. Spread soil amendments and fertilizer before spreading the fibers. 7. Place the bags of fibers approximately 15 -ft. by 15 -ft. grid. Spread fibers by hand or with a modified straw blower at a rate of approximately 1 Ib. per 12 sq. ft. for athletic turf applications, or 1 Ib. per 10 sq. ft. for turf paving. Placing 1 -square yard sheets of plastic at random locations over the area is a simple method used to check spreading rate. After spreading, carefully remove the sheets and weigh retained fibers. Adjust the fiber amount until the proper weight is achieved. Continuous monitoring should be done to verify that the spreading rate matches the design rate. Strong wind conditions may require wetting of the area of the soil and fibers to reduce fiber displacement. 9. Mix the fibers into the rootzone to the specified depth — generally 4 inches (12.7 cm) for athletic turf and turf paving. Use an approved rototiller (Incorporater, Rotadairon, Blecavator or equivalent). Thoroughly mix the soil until the fibers are uniformly distributed. When using a Rotadairon or Blecavator, 3 passes are generally sufficient. Other tillers may require up to 5 passes. Do not exceed 5 passes. Excessive tilling will cause rilling development. 10. Thoroughly soak the surface after the tilling process. Soil should be moistened to a minimum depth of 9 inches (23 cm). Keep soil moist_ 11. Consolidate with a vibratory roller to a dry density between 87 lbs. and 100 lbs. per cubic ft. If high or low areas, ridges or other irregularities exist, hand -rake to final grade and re -roll. 12. After consolidation, the surface is ready for planting with seed stolons or sod. If using sod, match the soil type with the soil medium. STABILIZER SOLUTIONS, INC. 205 SOUTH 28r" ST., PHOENIX, AZ 85034 1-800-336-2468 . 1-602-225-5900. Fax 1.602-225-5902. stabilizersolutions.com 01100 67ol stabilizer S 0 t U T 1 0 N S B. SOIL MIX Sand must meet the particle size and physical performance criteria as shown in Section C below. Recommended tests include grain size analysis, percentage of sand, silt and clay constituents, saturated hydraulic conductivity and porosity (including total, air-filled, and capillary pore space), and bulk density. Calculate values for fineness modulus and uniformity coefficient. An approved construction materials testing laboratory should test representative samples from the material source. In addition, samples should be tested for pH. Recommendations should include the need for organic amendments to meet performance criteria. Sand tested should be available in sufficient quantities for the project. 2. Quality control testing should be performed for every 500 -tons of soil delivered to the site. Cost of testing is the contractor's responsibility. Soils not meeting project requirements must be removed and replaced at the contractor's expense. 3. No truck traffic is permitted over the installation area until the final placement and compaction has been completed. C. SOIL MIX FOR STABILIZED ROOTZONE (SAND/ PEAT BLEND) 1. Particle Size Criteria for Sand USDA PARTICLE NAME US STANDARD SIEVE NUMBER DIAMETER OF PARTICLE IN MILLIMETERS ALLOWABLE RANGE %RETAINED GRAVEL 6 3.35 0 FINE GRAVEL 10 2.000-3.35 0 No More VERY COARSE SAND 18 1.000-2.00 <5% than 10 combined COARSE SAND 35 0.500-1-00 <25% MEDIUM SAND 60 0.250 - 0.50' 50%- 90% FINE SAND 100 0.100-0.25 <15% VERY FINE SAND 270 0.050-0.10 <5% SILT 0.002-0.05 <5% CLAY 1 <0.002 <3% ' In addition, not less than 20% below 0.25 mm 2. Physical Performance Criteria Fineness Modulus: 1.4-2.0 Total Porosity: 35%-55% Uniformity Coefficient: < 4 (2.5 - 3.5) Air Filled Porosity: 200/6-30% Capillary Porosity: 15%- 25% Saturated Hydraulic 5" -15" per hour Conductivity: 3. Blended rootzone mix should have a pH between 5.5 and 7.0. The recommended blend for rootzone soil mix and sod topping is 90% sand and10% peat by volume. Peat should have a pH not less than 5, be of medium grade, and have an organic content of not less than 90% (L O 1.) STABILIZER SOLUTIONS, INC. 205 SOUTH 28' ST., PHOENIX, AZ 85034 1-800-336-2458 . 1-602-225-5900 . Fax 1-602-225-5902 . stabilizersolutions.com 01/00 ry stlifizerr SOLUTIONS HUN' MVILU BOTANICAL GARDEN Pathways Huntsville, AL SUPERSIMON SPRINGS MALL Landscape Areas Mesa, AZ PHOENIX PUBLIC LIBRARY Pathway Phoenix, AZ DESERT BOTANICAL GARDEN Pathways, Trails Phoenix, AZ APS SHOWCASE HOME Parking Lot and Driveway Scottsdale, AZ RISC':LS' MY RESORT Handicap Accessible Path Scottsdale, AZ BOYCE TE(0M1PSON SW ARBORETUM Pathways Superior, AZ RANCHO SANTA ANA BOTANICAL GARDEN Pathway Claremont, CA -1oIf 1! SIM 0111 Pathway Los Angeles, CA BAYLANDS Pathways, Landscape Areas Sunnyvale, CA HANGING LAKE REST AREA Pathway Glenwood Springs, CO ROSEMOUNT VICTORIAN HOUSE MUSEUM Pathway Pueblo, CO KODAK WILDIHE PROJECT Nature Trail Windsor, CO I ,Oak if A n Picnic/Walkway Areas Brookfield, IL RYAN RESIDENCE Pathway Lake Bluff, EL HARDING RESIDENCE Garden Pathways Rockford, IL H ice$ I i ' M Pathways New Brunswick, NJ DOUGLAS COUNTY PARKS DEPARTMENT Pathways, Landscape Areas Gardnerville, NV CITY OF LAS VEGAS Ballfields, Landscape Areas Las Vegas, NV BROOKLYN BOTANICAL GARDEN Pathways Brooklyn, NY NEW YORK BOTANICAL GARDEN Pathways Bronx, NY BATTERY PARK Pathways New York, NY LANCASTER SCHOOL DISTRICT CENTRAL CANFUS EXPANSION Walkways Lancaster, PA RIVER LEGACY NATURE PARK Pathway Arlington, TX VIRGINIA STATE ARBORETUM Pathways Boyce, VA EVEREIT COUNTRY CLUB Cart Paths, Parking Lots Everett, WA 67ol stabii�zer� SOLUTIONS lRKIS%MR it RIM 'N MONUMMS US DEPT. OF AGRICULTURE Talladega. AL TONGASS NATIONAL FOREST CHATHAM AREA Sitka, AK KAIBAB NATIONAL FOREST Fredonia, AZ TONTO NATIONAL FOREST Payson, AZ TOHONO CHUL PARK Tucson, AZ HERITAGE HILL HISTORICAL PARK El Toro,CA STANISLAUS NATIONAL FOREST Sonora, CA SEQUOIA NATIONAL PARK Three Riers, CA JOSHUA TREE NATIONAL MONUMENT 29 Palms, CA ROUTT NATIONAL FOREST Kremmling, CO RIO GRANDE NATIONAL FOREST Monte Vista,CO OREGON PARK DISTRICT Oregon, FL C&O CANAL NATIONAL HISTORIC PARK Sharpsburg, MD FORT MC HENRY NATIONAL MONUMENT Baltimore, MD HAMPTON NATIONAL HISTORIC SITE Towsen. MD US DEPT. OF AGRICULTURE Holly Springs. MS TALLY LAKE RANGER DISTRICT Whitefish, MT NAT'L PARK/SALINAS PUEBLO MISSION Mountainair, NM CBOLA NATIONAL FOREST Albuquerque, NM GILA NATIONAL FOREST Silver City, NM TOIYABE NATIONAL FOREST Sparks, NV PORTLAND CITY PARKS/SMITH LAKE METRO Portland, OR JOHN DAY FOSSIL BED MONUMENT John Day, OR ROGUE RIVER NATIONAL FOREST Ashland, OR US DEPT. OF AGRICULTURE Rapid City, SD LAKE MEREDITH NATIONAL PARK Fritch. TX BIG BEN NATIONAL PARK Brewster Co., TX GEORGE WASHINGTON'S BIRTHPLACE Washington BP, VA OLYMPIC NATIONAL PARK Port Angeles, WA NATIONAL PARK SERVICE Coulee Dam, WA MT. RAINIER NATIONAL PARK Ashford, WA SAN JUAN ISLAND NATIONAL PARK Friday Harbor, WA MEDICIANE BOW NATIONAL FOREST Saratoga, WY I 67b7l stabilizer SOLUTIONS STABILIZER SOLUTIONS, INC. TURFGRIDS PROJECT LIST VANDERBILT UNIVERSITY Volleyball Courts Dudley Field Research Triangle Park, NC Nashville, TN May 1999 EXPLORATION PLACE PARK Grass Slope Area Feb 2000 Wichita, KS Mar 2000 BARGEE FARM Turf Equestrian Footing Nov 1996 Allison Park, PA May 1994 SCOTT STADIUM West Point, NY University of Virginia PRINCETON UNIVERSITY Charlottesville, VA May 1995 UNIVERSITY OF WASHINGTON Softball Field Mar 1998 Seattle, WA Jan 1994 DISNEY SPORTS COMPLEX At Reedy Creek June 1996 Orlando, FL Sept 1996 THE FARM Apr 1998 Tallahassee, FL Sept 19% ROCHESTER SPORTS FAC. July 1997 Rochester, NY May 1996 WILLIAM PATERSON COLLEGE Soccer & Football Fields Woodbridge, CT Wayne, NJ Oct 1997 LOUISVILLE WATERFRONT PARK Great Lawn Louisville, KY June 1998 SULTAN OF BRUNEI POLO FIELD Country of Brunei Sept 1997 THE BRAIN INSTITUTE University of Florida Gainesville, FL July 1998 MONTEREY PARK/ST. MARYS HS Football/Soccer Field Kent Meridian Field Phoenix, AZ July 1998 RESEARCH TRIANGLE FOUNDATION Volleyball Courts Research Triangle Park, NC Dec 1999 GERMANTOWN SOCCERPLEX Soccer Fields Germantown, MD Feb 2000 LONE STAR PARK Turf Track Grand Prairie, TX Nov 1996 WEST POINT MILITARY ACADEMY Clinton Soccer Field West Point, NY Sept 1996 PRINCETON UNIVERSITY Stadium Field Princeton, NJ Mar 1998 CHURCHILL DOWNS Turf Track Louisville, KY June 1996 WEMBLEY FARM Wellington, FL Apr 1998 AURARIA FIELDS Denver, CO July 1997 AMITY HIGH SCHOOL Football & Soccer Field Woodbridge, CT Aug 1998 LINDSEY PARK Soccer Field Tyler, TX June 1998 HOLIDAY PARK Ft. Lauderdale, FL June 1998 PIEDMONT HIGH SCHOOL Witter Field Piedmont, CA June 1997 KENTWOOD HIGH SCHOOL Kent Meridian Field Kent, WA June 1995 STABILIZER SOLUTIONS, INC. 205 S. 28"' ST., PHOENIX, AZ 85034 800-336-2468. 602-225-5900 • Fax 602-225-5902 Website: stabilizersolutions.com • Email: 1pliuhbs Dsstabilizersolutions.corn 03/[6/00 I- 67PI stabilizer" SOLUTIONS STABILIZER SOLUTIONS, INC. TURFGRIDS PROJECT MIST HICKMAN FIELD Soccer Complex San Diego, CA THE OAKS Turf Equestrian Footing San Juan Capistrano, CA W NDSOME FARMS Turf Equestrian Footing New Canaan, CT PHILADELPHIA PARK Turf Track Sept 1998 Philadelphia, PA Mar 1997 BAY MEADOWS RACECOURSE Turf Track Apr 1993 San Mateo, CA Apr 1999 RECHT FIELD Boulder High School Mar 1995 Boulder, CO May 1995 SCOTTSDALE STADIUM Baseball Field Scottsdale, AZ Aug 1993 RAZORBACK STADIUM Univ. of Arkansas Football/Practice Field Fayetteville, AR May 1995 CYFA SOCCER COMPLEX San Bernardino, CA July 1997 LOYOLA MARYMOUNT UNIV Soccer Field Los Angeles, CA SANTA ANITA RACETRACK Turf Track Arcadia, CA GOLDEN GATE FIELDS Turf Track Albany, CA CRISSY FIELDS Presidio Park San Francisco, CA June 1995 May 1996 July 1997 July 1999 COL. BILL BARBER MEM. PARK Softball Complex Irvine, CA Aug 1999 UNIVERSITY OF CINCINNATI Grass Pyramid Cincinnati, OH May 1999 BLUE VALLEY Soccer Complex Overland Park, KS May 1999 SIOUXLAND SOCCER COMPLEX Soccer Field Sioux City, IA Apr 1995 UNIVERSITY OF OREGON Practice Facility Eugene, OR Sept [997 MAX FINLEY FIELD Chattanooga, TN July 1997 DYCHE STADIUM Northwestern University Evanston, IL July 1997 UNIVERSITY OF MISSOURI Football & Soccer Fields Columbia, MO May 1995 BLUE HERONIBELLE HERB FARM Derby Field Wellington, FL May 1996 YORK PARK Football Field Tasmania, Australia Jan 2000 SOMERSET BALLPARK Baseball Complex Bridgewater, NJ Apr 1999 CENTRAL MISSOURI STATE South Farm Park Ballfield Warrensburg, MO Nov 1999 BLUE VALLEY HIGH SCHOOL Baseball/Softball Facility Overland Park, KS May 2000 STABILIZER SOLUTIONS, INC. 205 S. 28rn ST., PHOENIX, AZ 85034 800-336-2468 * 602-225-5900 • Fax 602-225-5902 Website: stabilizersolutions.com i Email: 1 IwbUsgstabilizersolutions,com 03/16/00 4 r r r r r r r. r� .X>