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PM102017-0005PM -10 NOTES 1. MATERIAL AND EQUIPMENT STORAGE YARD TO BE FENCED. 2. EQUIPMENT MAINTENANCE AND CALIBRATION SHOULD BE CONDUCTED IN ACCORDANCE WITH MANUFACTURER AND REGULATORY REQUIREMENTS. 3. PRE -CONSTRUCTION SITE WATERING SHALL BE DONE BY AGRI-TYPE WATER SYSTEM PRIOR TO BEGINNING SITE DISTURBANCE AS NECESSARY TO PREVENT VISIBLE EMISSIONS OF DUST FROM CROSSING THE PROJECT BOUNDARY LINE AND FROM EXTENDING MORE THAN 100 FEET BEYOND THE ACTIVE CUT AREA; THE MOISTURE CONTENT OF FILL/IMPORT MATERIAL SHALL BE MAINTAINED AT LEAST 70% OF THE OPTIMUM SOIL MOISTURE CONTENT. REQUIRED DEPTH OF WATER PENETRATION TO BE DETERMINED BY GRADING CONTRACTOR'S FIELD SUPERINTENDENT AND SOILS ENGINEER. LEGEND 4. SITE WATERING SHALL BE DONE BY WATER TRUCKS UNTIL COMPLETION OF CONSTRUCTION. THIS WATERING SHALL BE DONE AS NECESSARY TO PREVENT VISIBLE EMISSIONS OF DUST FROM CROSSING THE PROJECT BOUNDARY LINE AND FROM EXTENDING MORE THAN 100 FEET BEYOND THE ACTIVE CUT AREA; THE MOISTURE CONTENT OF -0--0 FILL/IMPORT MATERIAL SHALL BE MAINTAINED AT LEAST 70% OF THE OPTIMUM SOIL MOISTURE CONTENT, AND AS DIRECTED BY CITY ENGINEER. 5. SITE WATERING SHALL BE UTILIZED ON DISTURBED AREAS AFTER CONSTRUCTION IS COMPLETED. THIS WATERING IS TO BE DONE AS NECESSARY TO PREVENT VISIBLE EMISSIONS OF DUST FROM CROSSING THE PROJECT BOUNDARY LINE AND FROM EXTENDING MORE THAN 100 FEET BEYOND THE ACTIVE CUT AREA; THE MOISTURE CONTENT OF FILL/IMPORT MATERIAL SHALL BE MAINTAINED AT LEAST 70% OF THE OPTIMUM SOIL MOISTURE CONTENT. SITE WATERING MAY BE TERMINATED UPON SOIL STABILIZATION (MEASURES DISCUSSED IN NOTE 12, PERMANENT AUTOMATIC IRRIGATION OR COMPLETED IMPROVEMENTS) 6. SITE WATERING SHALL BE DONE BY TRUCKS ON ROADWAYS USED BY CONSTRUCTION TRAFFIC. THIS WATERING IS TO BE DONE AS NECESSARY TO PREVENT VISIBLE EMISSIONS OF DUST FROM CROSSING THE PROJECT BOUNDARY LINE AND FROM EXTENDING MORE THAN 100 FEET BEYOND THE ACTIVE CUT AREA; THE MOISTURE CONTENT OF FILL/IMPORT/EXPORT MATERIAL SHALL BE MAINTAINED AT LEAST 70% OF THE OPTIMUM SOIL MOISTURE CONTENT. 7. A SPEED LIMIT OF 15 MILES PER HOUR SHALL BE ENFORCED ON ALL DIRT ROADS FOR ALL CONSTRUCTION VEHICLES. 8. WHEN LOCAL WINDS EXCEED 25 MPH AND DURING 1ST AND 2ND STAGE SMOG ALERTS, THE DIRECTIONS THROUGHOUT THIS PLAN RELATED TO WATERING, SOIL STABILIZATION AND COVERING OF HAUL VEHICLES SHOULD BE ADHERED TO INCLUDING THE FOLLOWING ACTIONS RELATING TO THESE SPECIFIC CATEGORIES: EARTH MOVING - GRADING ACTIVITY SHALL BE SUSPENDED. WATER SHALL BE APPLIED TO SOILS NOT MORE THAN 15 MINUTES PRIOR TO MOVING SUCH SOILS. DISTURBED SURFACE AREA - SEE CALCULATION FOR "FREQUENCY" UNDER "PROJECT LEVEL INFORMATION" THIS SHEET. UNPAVED ROADS - APPLY WATER TWICE PER HOUR DURING ACTIVE OPERATION OR AS NEEDED. OPEN STORAGE PILES - APPLY WATER TWICE PER HOUR OR INSTALL TEMPORARY COVERINGS. 9. SOIL STOCKPILE AREAS SHALL BE WATERED AND COMPACTED TO ALLOW A CRUST TO FORM UNTIL SOIL STABILIZER IS APPLIED, AND WATERED AS NECESSARY; HOWEVER, NO STOCKPILE IS APPROVED. CITY ENGINEER APPROVAL REQUIRED PRIOR TO STOCKPILING. 10. TEMPORARY 6' CHAIN LINK FENCE WITH WINDSCREEN: STEEL POSTS TO BE 2Z" DIAMETER @ 8' O.C. WITH iX" DIAMETER STEEL TOP RAILS. POSTS TO BE EMBEDDED 3' INTO NATIVE SOIL. WINDSCREEN TO BE PLACED ON THE NORTH OR WEST SIDE OF FENCE. ATTACH WINDSCREEN TO FENCE WITH METAL GROMMETS @ 2' O.C. ON TOP AND BOTTOM. PLACE GROMMETS @ 2' O.C. VERTICALLY AT EVERY POST. 11. NO SOIL STABILIZATION/DUST MITIGATION MEASURES ARE REQUIRED ON AREAS LEFT IN THEIR NATURAL CONDITION, UNLESS DISTURBED BY CONSTRUCTION TRAFFIC OR IF VISIBLE DUST OCCURS. 12. SOIL STABILIZATION/DUST MITIGATION MEASURES SHALL BEGIN PRIOR TO THE GRADING OF EACH AREA. WATERING MEASURES SHALL BE USED FOR PERIODS UP TO 4 DAYS BEFORE AND AFTER GRADING TERMINATES UNLESS OTHERWISE APPROVED BY THE CITY ENGINEER. AFTER 4 DAYS OF NO GRADING ACTIVITY OR BUILDING ACTIVITY, SURFACE SOIL STABILIZATION SHALL BE APPLIED. ALL SOILS STABILIZATION MATERIALS SHALL CONTAIN TAN COLORANT FOR CONFIRMATION OF APPLICATION. PRODUCT OPTIONS ARE AS FOLLOWS: 1. SOIL-SEMENT (ACRYLIC POLYMER EMULSION) 180 GALLONS OF CONCENTRATE PER ACRE. DILUTE 9 PARTS WATER TO 1 PART CONCENTRATE (6 MONTH COATING.) NO FOOT OR VEHICULAR TRAFFIC ALLOWED. 2. ENVIROTAC II (ACRYLIC POLYMER EMULSION) 150 GALLONS OF CONCENTRATE PER ACRE. DILUTE TO 10 PARTS WATER TO 1 PART CONCENTRATE (6 MONTH COATING.) NO FOOT OR VEHICULAR TRAFFIC ALLOWED. 3. FIBER -SORB (NATURAL WOOD FIBER BY-PRODUCT) 1.2" LAYER, APPROXIMATELY 100 TONS PER ACRE (6 MONTH COATING.) FOOT TRAFFIC AND MINIMAL VEHICULAR TRAFFIC ALLOWED. 4. ENVIROTAC II (ACRYLIC POLYMER EMULSION) 180 GALLONS OF CONCENTRATE PER ACRE. DILUTE TO 8 PARTS WATER TO 1 PART CONCENTRATE (1 YEAR COATING). NO FOOT OR VEHICULAR TRAFFIC ALLOWED. 5. COMPOSITE OF 300 GALLONS OF ENVIROTAC II (CONCENTRATED), 600 POUNDS OF PAPER FIBER MULCH AND 8 PARTS WATER. INGREDIENTS TO BE MIXED AND APPLIED WITH A HYDRO SEED SPRAY RIG. THE AMOUNTS LISTED ARE PER ACRE. MATERIAL CERTIFICATES ARE TO BE PROVIDED BY APPLICATOR UPON COMPLETION OF STABILIZATION. 13. THE PROJECT OWNER WILL DESIGNATE AN INDIVIDUAL RESPONSIBLE FOR DUST CONTROL. THIS INDIVIDUAL IS AVAILABLE 24 HOURS A DAY 7 DAYS A WEEK. THIS INDIVIDUAL WILL BE AVAILABLE 7 DAYS A WEEK, 24 HOURS PER DAY, FOR ANY ISSUES OR PROBLEMS PERTAINING TO FUGITIVE DUST MITIGATION. 14. THE PROJECT OWNER TO PROVIDE AND INSTALL SITE SIGNS, VISIBLE TO THE PUBLIC ON EACH PUBLIC ROADWAY LISTING THE FOLLOWING: PROJECT NAME, TRACT/PARCEL, GENERAL CONTRACTOR'S NAME, ENVIRONMENTAL PERSON'S 24/7 PHONE NUMBER, CITY NAME AND PUBLIC WORKS DEPARTMENT PHONE NUMBER, SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT COMPLAINT LINE (1 -800 -CUT -SMOG) AND THE FOLLOWING TEXT: IF YOU SEE DUST COMING FROM THIS PROJECT PLEASE CALL: (RESPONSIBLE PERSON'S NUMBER) IF YOU DO NOT GET A RESPONSE WITHIN 1 HOUR, PLEASE CALL: (PUBLIC WORKS DEPARTMENT PHONE NUMBER) REPORT THE PERMIT OR PROJECT NUMBER AND THE PHONE NUMBER ABOVE OR CALL AQMD AT: AIR QUALITY MANAGEMENT DISTRICT (AQMD'S PHONE NUMBER.) 15. EXPORT ACTIVITIES SHALL FOLLOW THE DIRECTIONS THROUGHOUT THIS PLAN RELATED TO WATERING, SOIL STABILIZATION, TRACK OUT AND COVERING OF HAUL VEHICLES. THE FOLLOWING ARE ADDITIONAL ACTIONS RELATING TO EXPORT: -EXPORT SOILS WILL BE PREMOISTENED AT THE PROJECT SITE AND ADDITIONALLY WHEN SOIL IS PLACED IN TRUCKS (BEFORE COVERING.) MOISTURE CONTENT SHALL BE 6%-8%. -TRUCKS TO BE USED FOR EXPORT OF SOIL WILL BE BOTTOM DUMP OR END DUMP (NUMBER OF TRUCKS TO BE DETERMINED BY CONTRACTOR.) -STREET CLEANING SHALL OCCUR, AS NECESSARY, AT SOIL EXPORT LOCATION (IN ADDITION TO STREET CLEANING AT PROJECT SITE.) 16. THE RESPONSIBLE DUST CONTROL INDIVIDUAL AND KEY PERSONNEL SHALL ATTEND THE SCAQMD PM10 CLASS AND OBTAIN THE PM10 CERTIFICATE NUMBER PRIOR TO CONSTRUCTION ACTIVITY. TRAINING INFORMATION MAY BE OBTAINED BY CONTACTING SCAQMD AT (909) 396-2183. 17. THE LOCATION OF THE PERIMETER FENCE SHALL BE CONSIDERED TEMPORARY, UNTIL SUCH TIME AS THE PERIMETER WALL OF THE PROJECT IS IN PLACE. THIS TEMPORARY LOCATION SHOULD PROVIDE FOR ADEQUATE SIGHT DISTANCE AT INTERSECTIONS, BY MEANS OF A SETBACK OF A SUFFICIENT ANGLE TO ALLOW FOR A SAFE STOPPING DISTANCE. AFTER A REASONABLE PERIOD OF TIME, THE TEMPORARY PERIMETER FENCING AND SAND SHIELD WILL BE MOVED BACK FROM THE PROPERTY LINE. 18. STREET CLEANING SERVICES SHALL BE PROVIDED BY INDEPENDENT CONTRACTOR. GENERAL NOTES 1. FOR CONSTRUCTION NOTES, REFER TO THE CONSTRUCTION PLAN. 2. FUGITIVE DUST MITIGATION MEASURES MAY REQUIRE ADJUSTMENTS AS NECESSARY BASED ON THE PROGRESS OF CONSTRUCTION AND OBSERVED SITE CONDITIONS. 3. FOR GRADING NOTES, REFER TO GRADING PLAN NO. REVISIONS APPROVED 0' 150' B1 B1• =I DATE SCALE 1"=150' SITE MAP LIMITS OF DISTURBANCE (LOCATION IS SCHEMATIC ONLY, CONTRACTOR TO DETERMINE EXACT LOCATION IN FIELD.) IN THE CITY OF LA QUINTA, COUNTY OF RIVERSIDE, STATE OF CALIFORNIA GRIFFIN RANCH - TR. NO. 32879 FUGITIVE DUST MITIGATION PLAN (PM1O) PORTIONS OF THE NORTH ONE HALF OF SECTION 15, TOWNSHIP 6 SOUTH, RANGE 7 EAST, SAN BERNARDINO BASE AND MERIDIAN. SEPTEMBER 2017 PREPARED FOR: LENNAR HOMES OF CALIFORNIA, INC. EXISTING COMBINATION WALL WITH PROPOSED WIND SCREEN (LOCATION IS SCHEMATIC ONLY, CONTRACTOR PROTECT IN PLACE AND MAINTAIN.) EXISTING BLOCK WALL (LOCATION IS SCHEMATIC ONLY) -x- EXISTING VINYL FENCE (TO SERVE AS DUST CONTROL BARRIER) (LOCATION IS SCHEMATIC ONLY) * STABILIZED CONSTRUCTION ENTRANCE/EXIT EXISTING TRACK -OUT BMP DEVICES ARE INSTALLED AT THE TEMPORARY CONSTRUCTION STAGING AREA (LOTS 76-81). ADDITIONAL LOCATIONS TO BE DETERMINED BY CONTRACTOR. THE EXISTING CONSTRUCTION ACCESS AND INTERIOR ROADS ARE PAVED AND SERVE AS A STABILIZED CONSTRUCTION ENTRANCE/EXIT. TRACK -OUT BMP DEVICES MAY BE WARRANTED AT TRANSITIONS FROM UNPAVED TO INTERIOR PAVED ROADWAYS. IF TRACK -OUT BMP DEVICES ARE INSTALLED, THEY MUST MEET THE MINIMUM FUGITIVE DUST CONTROL ORDINANCE REQUIREMENTS: PAD CONSISTING OF MINIMUM ONE INCH WASHED GRAVEL MAINTAINED IN A CLEAN CONDITION TO A DEPTH OF AT LEAST SIX INCHES AND EXTENDING AT LEAST 30 FEET WIDE AND AT LEAST 50 FEET LONG; OR PAVED SURFACE EXTENDING AT LEAST 100 FEET AND AT LEAST 20 FEET WIDE; OR WHEEL SHAKER / WHEEL SPREADING DEVICE CONSISTING OF RAISED DIVIDERS (RAILS, PIPE, OR GRATES) AT LEAST THREE INCHES TALL AND AT LEAST SIX INCHES APART; OR A WHEEL WASHING SYSTEM. nom 300' 6 TEMPORARY CONSTRUCTION STAGING AREA LOCATION OF CONSTRUCTION TRAILER, RESTROOMS, TEMPORARY POWER, MATERIAL STORAGE, EQUIPMENT STORAGE, EQUIPMENT MAINTENANCE, WASTE MANAGEMENT AND MATERIALS POLLUTION CONTROL BMP'S (4" DEEP CRUSHED ROCK, 1-3" AGGREGATE RECOMMENDED UNTIL AREA 15 STABILIZED). LOCATION AND EXTENT 15 SCHEMATIC ONLY, CONTRACTOR TO DETERMINE EXACT LOCATION IN FIELD. EXISTING FIRE HYDRANT (CONTRACTOR TO IDENTIFY THE SPECIFIC FIRE HYDRANT THAT WILL PROVIDE CONSTRUCTION WATER.) PM10 SIGN (LOCATION 15 SCHEMATIC ONLY) 15 MPH SPEED LIMIT SIGN (LOCATION 15 SCHEMATIC ONLY) EXISTING PAVEMENT DEVELOPED RESIDENTIAL LOTS (PRIVATELY OWNED - NOT A PART) EXISTING UNDEVELOPED RESIDENTIAL (STABILIZED PADS) UNDEVELOPED RESIDENTIAL LOTS (PRIVATELY OWNED - NOT A PART) 980 MONTECITO DRIVE, SUITE 302 CORONA, CALIFORNIA 92879 (951) 817-3526 PREVAILING WINDS R/W R/W R/W EX. PERIMETER BLOCK WALL R/W PROJECT OWNER/DEVELOPER INFORMATION PROJECT OWNER/DEVELOPER: LENNAR HOMES of CALIFORNIA, INC. MAILING ADDRESS' 980 MONTECITO DRIVE, SUITE 302 CITY' CORONA STATE: CALIFORNIA ZIP: 92879 PRIMARY PHONE: (951) 817.3526 MANNED, 24-HOUR PHONE: (951) 264-3670 PROJECT INFORMATION EX. PM10 SIGNAGE (LOCATION 15 SCHEMATIC) 20 BOLD RULER WAY 'k I II II I II RATTLE PROJECT ADDRESS: SOUTHEAST CORNER OF MADISON STREET AND AVENUE 54 CITY: LA QUINTA STATE: CALIFORNIA ZIP: 92253 OWNER/DEVELOPER IS RESPONSIBLE FOR EROSION CONTROL DURING CONSTRUCTION ACTIVITIES AND OFF -HOURS PROJECT LEVEL INFORMATION PROPERTY ACREAGE: 61 1 ACRES DISTURBED ACREAGE: 61 1 ACRES THE DISTURBED AREA COVERED UNDER THIS PERMIT CONSISTS OF GRADED LOTS OWNED BY LENNAR HOMES OF CALIFORNIA, INC. THIS AREA CALCULATION EXCLUDES THE EXISTING PAVED INTERIOR STREETS, PRIVATELY OWNED DEVELOPED LOTS, AND OTHER LAND NOT OWNED BY LENNAR HOMES OF CALIFORNIA, INC. SOURCE OF WATER' EXISTING FIRE HYDRANT WITH CONSTRUCTION METER WATER AVAILABILITY: 150 GPM BACK-UP WATER SOURCE' TO BE DETERMINED BY CONTRACTOR PRIOR TO START OF CONSTRUCTION WATER DELIVERY EQUIPMENT: TYPE: WATER TRUCK (2,000 TO 4,000 GAL. CAPACITY) FREQUENCY: AS NECESSARY TO CONTROL DUST EMISSIONS PROJECT FUNDING' THE FUNDING SOURCE FOR LONG AND SHORT TERM BMPS SHALL BE THE PROPERTY OWNER'S RESPONSIBILITY. BY CERTIFYING THIS PM10, THE PROPERTY OWNER CERTIFIES THAT THE FUNDING RESPONSIBILITIES HAVE BEEN ACKNOWLEDGED AND ADDRESSED. PM10 BONDING SITE ACREAGF 61 1 ACRES SECURITY AMOUNT $122,200 25% CASH $30,550 75% BOND $91 650 ANTICIPATED PROJECT START DATE' APRIL 15, 2014 ANTICIPATED PROJECT COMPLETION DATE OCTOBER 31, 2019 NOTES: 1. NO STOCKPILING WITHOUT CITY ENGINEER APPROVAL. SURROUNDING AREA NORTH RESIDENTIAL, GOLF COURSE SOUTH . RESIDENTIAL, GOLF COURSE EAST RESIDENTIAL, FARMLAND WEST RESIDENTIAL, GOLF COURSE WDID: 733C367547 I-- EX. VINYL FENCE I RETENTION BASIN YJI�IIPr LY OWNED A PART 216 37 MSA CONSULTING, INC. PLANNING ■ CIVIL ENGINEERING • LAND SURVEYING 34200 Boa HOPE DRIVE • RANCHO MIRAGE • CA 92270 TELEPHONE (760) 320-9811 • FAx (760) 323-7893 PRIVATELY • WNED - BENCH MARK • APART ��� � � � tortoretryip 207 20Qn I 18d 185208 197 196 195 INDIO BM #99 ELEV. 499.71 LOCATION: R.R. SPIKE IN P/P AT NORTHWEST COR. AVE. 50 AND MONROE STREET. (NVGD 29, 500.00' ADDED TO MAINTAIN POSITIVE ELEVATIONS). "..N PREPARED UNDER THE DIRECT SUPERVISION OF SIGNATUR MICHELLE D. WITHERSP.[.N A.Q.M.D. CERTIFICATION # CV170 -004748-4810 DESIGNtD BY JHC DRAWN BY DG CHECKED BY MW APPROVED BY: CITY OF LA QUINTA /o/11(7 BRYAN MCKINNEY, P.E. DATE INTERIM CITY ENGINEER R.C.E. 49418 EXPIRES 09/30/2018 I4 HIGHWAY 111 DR. CARREON. AVENUE 48 BLVD. AVENUE 49 ru F- h AVENUE 50 Ce AVENUE 51 O tI_ 12 'EVE u "I z 9, U Q AVENUE 52 O 0 AVENUE 53 AVENUE 54 #0. VICINITY MAP N.T.S. SITE oO AIRPORT 0 ce " AVE. 55 BOULEVARD CITY OF LA QUINTA, CALIFORNIA © Copyright 2017 MSA Consulting, Inc. All Rights Reserved GRIFFIN RANCH - TR. NO. 32879 FUGITIVE DUST (PM -10) MITIGATION PLAN PORTIONS OF THE NORTH ONE HALF OF SECTION 15, TOWNSHIP 6 SOUTH, RANGE 7 EAST, SAN BERNARDINO BASE AND MERIDIAN. SHEET 1 OF 4 SHEETS 1721 \ACAD\Grading \SWPPP-PM10\PM10\1721 PM10 01.dwg, 9/20/2017 10:03:22 AM, dgallerani, MSA Consulting, NO. PART 1 PROJECT INFORMATION PROJECT OWNER/PROPONENT: LENNAR HOMES OF CALIFORNIA, INC. ADDRESS: 980 MONTECITO DRIVE, SUITE 302 BREA, CA 92821 DAY PHONE NUMBER: (951) 817-3526 EMERGENCY PHONE NUMBER: (951) 264-3670 CONSTRUCTION SITE STREET ADDRESS: SOUTHEAST CORNER OF MADISON ST AND AVENUE 54, IN THE CITY OF LA QUINTA, CA 92253 CONSTRUCTION SITE LOCATION: SEE SITE PLAN IN SHEET 1 (SITE PLAN) CURRENT LAND USAGE: VACANT (PREVIOUSLY GRADED AND STABILIZED) PROPOSED LAND USAGE: RESIDENTIAL RESPONSIBLE PERSON'S 24 HOUR PHONE#: (951) 264-3670 CONSTRUCTION SITE ASSESSOR'S PARCEL NUMBER (TRACT #) TRACT MAP NO. 32879 (MULTIPLE AP NS) PARCEL (TRACT) SIZE• 61.1 ACRES (TOTAL) 61.1 DISTURBED ACRES ANTICIPATED DATE OF PHYSICAL PROJECT INITIATION: APRIL 15, 2014 ANTICIPATED DATE OF PROJECT COMPLETION: OCTOBER 31, 2019 ANTICIPATED COST FOR DUST SUPPRESSION: $122,200 (61.1 AC. X $2,000/AC) (PART 5 "COST INFORMATION," SHALL BE COMPLETED AND MAILED TO AQMD, ATTN: PATRICK HOTRA, AND TO LA QUINTA, ATTN: CITY ENGINEER, WHEN CONSTRUCTION ACTIVITIES HAVE BEEN COMPLETED FOR PROJECTS OVER 10 ACRES ONLY). EARTHWORK INFORMATION ACREAGE/CUBIC YARDS). PROJECT PARCEL AREA: 61.1 ACRES TOTAL DISTURBED SURFACE AREA: 61.1 ACRES RAW CUT: RAW FILL: 11.325 CY (ASSUMES 75 CY PER LOT) RAW IMPORT: 0 CY RAW EXPORT: 0 CY 11,325 CY (ASSUMES 75 CY PER LOT) PHASING OF GRADING ACTIVITIES PHASE - TYPICAL DE8CF8°TION (ADD SPECFIC CHANGES F ANY/ "A" (SITE PREP., MOBILIZATION AN DEMOLITION) "B" (GRADING) "C" (UTIL. CONST., AGG. BASE AND PAVING) "D" (STRUCTURES, HARDSCAPE, LANDSCAPE, SWALES, FINE DRAINAGE, RECREATIONAL FACILITIES AND PERIMETER WALLS/FENCING) ESTIMATED GRADING DATES (BE AWARE THAT SPRING AND FALL ARE TYPICALLY WINDIER AND MAY REQUIRE MORE PRECAUTIONS AGAINST BLOWING DUST FOR PHASES THAT TEND TO STIR UP DUST, LIKE "B" ABOVE.) DISTURBED STABILIZED PHASE AREA(AC.)* AREA(AC.) 61.1 0 8 53.1 12.2 48.9 48.8 12.3 A 8 C D SPRINKLERS AREA(AC.) N/A N/A N/A N/A # OF DATES: FROM TO WATER TRUCKS 04/15/14 08/15/14 2 (3,500 GAL. CAPACITY) 08/15/14 04/15/19 2 (3,500 GAL. CAPACITY) 02/15/15 10/31/19 1 (3,500 GAL. CAPACITY) 02/01/15 10/31/19 1 (3,500 GAL. CAPACITY) NOTE: THE PROJECT INVOLVES 61.1 ACRES OF PREVIOUSLY ROUGH -GRADED LOTS. THE PERIMETER WALLS, INTERIOR (PRIVATE) ROADS, AND UTILITIES HAVE BEEN CONSTRUCTED. ACCESS TO THE CONSTRUCTION SITE IS PAVED. A MAJORITY OF THE LOTS HAVE BEEN STABILIZED WITH A SOIL BINDER AND DO NOT REQUIRE DAILY WATERING COMPARED TO THE ACTIVELY DISTURBED LOTS. WATER TRUCK CALCULATIONS APPLY TO THE ACTIVELY DISTURBED AREAS (1 TO 8 ACRES). WATER TRUCK FREQUENCY CALCULATIONS 1/2" OF SOIL ON TOP OF GRADED AREA MUST BE WATERED TO MAINTAIN A 12 PERCENT MOISTURE CONTENT OVER PREVIOUSLY MOISTENED (BY AGRI-TYPE SPRINKLER SYSTEM) AND COMPACTED SOIL. 1/2" OF SOIL OVER 1 ACRE = 68 CY; 68 CY x 12 PERCENT = 9 CY WATER/ACRE; 9 CY X 27 = 243 CAFE WATER; 243 CAFE X 7.48 GALLONS/CF = 1818 GALLONS OF WATER/ACRE •5000 GALLON WATER PULL CAN DELIVER 10,500 GALLONS/HOUR; 10,500/1818 = 5.8 ACRES/HOUR ASSUMPTION: EACH AREA WATERED 4 TIMES PER DAY. 5.8 ACRES/TRUCK/HOUR X 10 HOURS = 58 ACRES/TRUCK/DAY/ONE WATERING - DIVIDED BY 4 WATERING PER DAY = 14.5 ACRES/TRUCK/DAY 46000 GALLON WATER TRUCK CAN DELIVER 10,000 GALLONS/HOUR; 10,000/1818 = 5.5 ACRES/HOUR ASSUMPTION: EACH AREA WATERED 4 TIMES PER DAY. 5.5 ACRES/TRUCK/HOUR X 10 HOURS = 55 ACRES/TRUCK/DAY/ONE WATERING - DIVIDED BY 4 WATERING PER DAY = 13.8 ACRES/TRUCK/DAY .4000 GALLON WATER TRUCK CAN DELIVER 9,600 GALLONS/HOUR. 9,600/1818 = 5.3 ACRES/HOUR ASSUMPTION: EACH AREA WATERED 4 TIMES PER DAY. 5.3 ACRES/TRUCK/HOUR X 10 HOURS = 53 ACRES/TRUCK/DAY - DIVIDED BY 4 WATERING PER DAY = 13.3 ACRES/TRUCK/DAY •2500 GALLON WATER TRUCK CAN DELIVER 8,800 GALLONS/HOUR; 8,800/1818 = 4.8 ACRES/HOUR ASSUMPTION: EACH AREA WATERED 4 TIMES PER DAY. 4.8 ACRES/TRUCK/HOUR X 10 HOURS = 48 ACRES/TRUCK/DAY/ONE WATERING - DIVIDED BY 4 WATERING PER DAY = 12.0 ACRES/TRUCK/DAY REVISIONS APPROVED DATE FUGITIVE PM10 DUST GENERATION CALCULATION THE FOLLOWING FORMULA PROVIDES AN ESTIMATE OF THE POTENTIAL TO GENERATE FUGITIVE DUST AT YOUR DEVELOPMENT SITE. COMPLETING THE FORMULA PROVIDES THE BASIS FOR MEASURING THE EFFECTIVENESS OF OUR CONTROL MEASURES. NOTE THAT THIS IS NOT AN ESTIMATE OF LARGER SAND PARTICLE MOVEMENT, WHICH MAY EXCEED SEVERAL TONS PER ACRE -DAY, BUT WHICH ALSO TEND TO STAY CLOSE TO THE GROUND. GENERATION FACTOR 110 LBS./ACRE/WORKING DAY DISTURBED AREA 61.1 (AC.) TOTAL POTENTIAL DUST EMISSIONS 6,721 LBS./DAY NOTE: TOTAL REPRESENTS UNMITIGATED EMISSIONS POTENTIAL. THE EMISSION OF FUGITIVE DUST IS PROHIBITED SUCH THAT NO DUST WHICH REMAINS VISIBLE IN THE ATMOSPHERE SHALL TRAVEL MORE THAN 100 FT OR CROSS BEYOND THE PROPERTY LINES OF THE EMISSION SOURCE. PART 2 FUGITIVE PM10 DUST CONTROL MEASURES NOTE: ALL SELECTED MITIGATION MEASURES SHALL BE IDENTIFIED AS PART OF THE MITIGATION MONITORING PLAN. SUMMARIZED MATRIX OF REQUIRED DUST MITIGATION MEASURES IDENTIFIED BY PHASE: ABCD X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X -PRE-DEMOLITION SITE WATERING (IRRIGATION SYSTEM FOR MIN. 72 HRS. ) -SIGNS POSTED ON SITE WITH 24 HR. PHONE NUMBER(S) FOR DUST CONTROLLER -SAND FENCING (EXISTING WALL AND FENCING TO BE PROTECTED IN PLACE) - SITE WATERING 7 DAYS A WEEK (IRRIGATION SYSTEM, MIN. 4 TIMES PER 24 HRS., OR BY WATER TRUCKS, MIN. 4 TIMES PER 24 HRS.) - GRAVEL - WHEELCLMEANING DIAM. X 4" EXITS,DEEP ("RUMBLE STRIPS", STORAGE GRAVEL AREAS,PARKING AREAS) ETC., SEE DETAIL ON SHEET 1) - INACTIVE AREA SOIL STABILIZERS (POLYMER, HYDROMULCH, OR PLANTS) - ACTIVE AREA SOIL STABILIZERS (ENVIROKLEEN "OIL", OR SIMILAR WETTING AGENTS) -STOP ALL VEHICLE ACTIVITY EXCEPT WATER TRUCKS WHEN WIND > 25 MPH -STREET SWEEPING WHENEVER NEEDED -PERMANENT VEGETATION / LANDSCAPING -PAVING NOTE: SOME OF THE BMPS LISTED IN THE MATRIX HAVE PREVIOUSLY BEEN IMPLEMENTED. A MAJORITY OF THE PERIMETER WALLS ARE BUILT, THE INTERIOR ROADS ARE PAVED, AND TEMPORARY FENCING IS INSTALLED. A MAJORITY OF THE PREVIOUSLY GRADED LOTS HAVE BEEN STABILIZED WITH A SOIL BINDER. PART 3 FUGITIVE PM10 DUST CONTROL PROGRAM DETAILS EACH MITIGATION MEASURE OR CONTROL PROGRAM SHALL BE DESCRIBED IN DETAIL BELOW AND ON ADDITIONAL SHEETS AS NECESSARY. PLEASE USE THE REQUIRED DUST CONTROL PLAN EXHIBIT (SEE SHEET 1) TO INDICATE THE LOCATION OF ON-SITE WATER AVAILABILITY, STAGING AREAS, TRUCK/WHEEL WASHERS, TEMPORARY SAND FENCING, WORKMEN'S PARKING AREAS, GRAVEL ROAD ENTRANCE/EXITS AND OTHER AREAS OR CONTROL METHOD LOCATIONS. •A•. SITE PREPARATION, MOBILIZATION AND DEMOLITION GENERAL REQUIREMENTS 1. PM10 CONSTRUCTION SIGNS SHALL BE ERECTED AND MAINTAINED IN-PLACE PRIOR TO ANY SITE PREPARATION OR MOBILIZATION ACTIVITY THROUGH COMPLETION OF THE ENTIRE DEVELOPMENT. 2. PRE -WATERING SHALL COMMENCE AT LEAST THREE (3) DAYS PRIOR TO ACTUAL GRADING USING A TEMPORARY ON-SITE IRRIGATION SYSTEM. CONNECTION TO ANY EXISTING WATER SYSTEM SHALL BE DONE IN COMPLIANCE WITH WATER DISTRICT. TEMPORARY WATER LINES SHALL BE INSTALLED WITH A MINIMAL DISTURBANCE OF ANY OFF-SITE AREAS THEY PASS THROUGH. 3. WRITTEN AND NOTARIZED PERMISSION LETTERS SHALL BE SUBMITTED TO THE CITY ENGINEERING DEPT. FROM ANY ADJACENT LAND OWNERS WHOSE PROPERTY WILL BE USED IN ANY MANNER FOR CONSTRUCTION, STAGING, ACCESS, ETC. 4. PUBLIC ACCESS TO THE SITE SHALL BE RESTRICTED AS MUCH AS POSSIBLE, TO REDUCE AND CONTROL VEHICULAR ACTIVITY, AND TO REDUCE THE POTENTIAL FOR VANDALISM AND/OR INJURY. 5. ACTIVITY AREAS SUCH AS: EQUIPMENT STORAGE AREA, MATERIALS STORAGE AREA, TEMPORARY OFFICE TRAILERS, AND EMPLOYEE PARKING, SHALL BE LOCATED IN AN AREA USING A SOIL STABILIZER THAT DOES NOT REQUIRE CONSTANT WATERING, SUCH AS AN AGGREGATE BASE OR GRAVEL. 6. THE TIRES OF VEHICLES BEING USED ON-SITE SHALL BE INSPECTED AND WASHED IF NECESSARY TO MINIMIZE TRACKING OF DIRT ONTO PUBLIC STREETS. SITE SPECIFIC DETAILS (DESCRIBE ANY SPECIFIC OR ADDITIONAL CONTROL MEASURE PROPOSED) 1. PRE -WATERING METHOD: APPLY BY WATER TRUCK OR SPRINKLER SYSTEM WATER AVAILABILITY, INITIAL STAGE: EXISTING FIRE HYDRANT WITH CONST. METER ON (MULTIPLE LOCATIONS) 2. OFF-SITE WORK PERMISSION NEEDED: NOT APPLICABLE 3. ACCESS WILL BE CONTROLLED BY: GATE AT FXISTING PROJECT ENTRY 4. INITIAL STAGING AREA: LOTS 76 - 81 (SEE SITE MAP, SHEET 1) (NOTE: STAGING AREA MAY BE RELOCATED BY CONTRACTOR.) EQUIPMENT STORAGE AT INITIAL STAGING AREA (SEE SITE MAP, SHEET 1) TEMPORARY OFFICE AT INITIAL STAGING AREA (SEE SITE MAP, SHEET 1) EMPLOYEE PARKING IN INITIAL STAGING AREA AND ON PAVED STREETS (SEE SITE MAP. SHEET 1) USE 4" DEEP CRUSHED ROCK, 3/4" MAX. AGGREGATE FOR AREAS THAT ARE NOT STABILIZED 5. WHEEL CLEANING PROVISIONS: AT TEMPORARY ENTRANCE. ON TEMP. GRAVEL (SEE SITE MAP. SHEET 1) 6. OTHER PRELIMINARY WORK: EXISTING PERIMETER WALLS AND WIND FENCING TO BE PROTECTED IN PLACE STABILIZE WIND ERODIBLE SURFACES TO REDUCE DUST STABILIZE SURFACE SOIL WHERE SUPPORT EQUIPMENT AND VEHICLES WILL OPERATE STABILIZE LOOSE SOIL AND DEMOLITION DEBRIS STABILIZE BACKFILL MATERIAL WHEN NOT ACTIVELY HANDLING AND AT THE COMPLETION OF ACTIVITY c15 MSA CONSULTING, INC. PLANNING ■ CIVIL ENGINEERING ■ LAND SURVEYING 34200 Bos HOPE DRrvE • RANGED MIRAGE • CA 92270 TELEPHONE (760) 320-9811 • FAX (760) 323-7893 BENCH MARK INDIO BM #99 •B•. GRADING GENERAL REQUIREMENTS' 1. HAULING PROCEDURES: ALL VEHICLES GOING FROM DIRT AREAS ONTO PAVED STREETS SHALL HAVE TIRES AND WHEELS INSPECTED AND WASHED IF NECESSARY TO AVOID "TRACKING -OUT" DIRT. TRUCKS HAULING DIRT ON PAVED STREETS SHALL MAINTAIN AT LEAST A HALF FOOT "FREEBOARD" FROM RIM TO DIRT, AND COVER ALL DIRT OR DUSTY DEBRIS LOADS WITH AN APPROPRIATE TARP. THE HAUL ROUTE SHALL BE APPROVED BY THE CITY ENGINEER FOR ANY APPLICABLE TRANSPORT PERMITS PRIOR TO ITS USE. ALL HAULING TRUCKS SHALL HAVE A COPY OF THESE PROVISIONS WITH THEM AT ALL TIMES. A VALID GRADING PERMIT WILL BE REQUIRED PRIOR TO ANY IMPORT OR EXPORT OF MATERIAL OR DEBRIS INTO OR FROM THIS SITE. HAULING SHALL COMPLY WITH ALL APPROPRIATE DUST MITIGATION MEASURES. WHEN PRACTICAL, TRUCKS AND EQUIPMENT SHOULD SHUT OFF ENGINES RATHER THAN IDLING FOR EXTENDED PERIODS TO MINIMIZE EXHAUST EMISSIONS AND NOISE. THIS BECOMES MORE CRITICAL AS THE SIZE AND NUMBER OF VEHICLES INCREASES 2. VEHICLES TRAVELING ON DIRT AND/OR ON UNPAVED ROADS SHALL RESTRICT THEIR SPEED TO 15 M.P.H. MAXIMUM. EARTH MOVERS (SCRAPERS) SHALL LIMIT THEIR MAXIMUM SPEED TO 10 M.P.H. SIGNS TO THAT EFFECT SHALL BE PLACED AT THE PROJECT ENTRANCE AND AT OTHER APPROPRIATE LOCATIONS ON SITE TO IMPROVE COMPLIANCE. EXCEPTION: SPEED LIMITS CAN BE INCREASED TO 25 MPH FOR SCRAPERS IF ROADWAYS/PATHS ARE WATERED WITHIN 15 MINUTES OF TRAVEL. 3. ALL STRIPPED, GRADED OR OTHERWISE DISTURBED AREAS SHALL BE STABILIZED BY SOME APPROPRIATE MEANS 24/7. AREAS ACTIVELY BEING GRADED SHALL BE STABILIZED BY APPLYING WATER USING WATER TRUCKS OR OTHER CITY APPROVED METHOD. DISTURBED AREAS NOT ACTIVELY BEING WORKED (AFTER 4 DAYS MAXIMUM) SHALL BE TREATED WITH A DURABLE APPROVED SOIL STABILIZER TO AVOID CONSTANT WATERING. THE PREFERRED METHOD OF SITE WATERING I5 BY SPRINKLER, IF THEY DO NOT INTERFERE WITH THE GRADING VEHICLES. 4. IF PERIMETER BLOCK WALLS ARE TO BE BUILT THEY SHOULD BE GIVEN A HIGH PRIORITY SINCE THEY WILL HELP TO CATCH BLOWS AND COULD THEREBY REDUCE THE AMOUNT OF STREET SWEEPING REQUIRED. SITE SPECIFIC DETAILS' (PLEASE DESCRIBE ANY SPECIFIC OR ADDITIONAL CONTROL MEASURE PROPOSED.) 1. HAUUNG PROCEDURES: SEE PM -10 NOTE *15 ON SHEET 1 AND VICINITY MAP 2. SPEED RESTRICTION SIGN LOCATION: 15 MPH SIGNS WITH 10 MPH LIMITATION SHALL BE LOCATED AT SITE ENTRANCE (SEE EXCEPTION TO 10 MPH SPEED LIMIT. NOTE 2 ABOVE) 3. SOIL STABILIZATION METHODS: PREVIOUSLY GRADED LOTS (INACTIVE) ARE STABILIZED WITH SOIL BINDER ACTIVE AREA WATER SCHEDULE: WATER MIN. 4 TIMES DAILY TO CONTROL DUST EMISSIONS/ MORE FREQUENT WATERING MAY BE REQUIRED ON WINDIER DAYS: STOCKPILING NOT APPROVED AT THIS TIME. WITHIN 10 DAYS OF CEASING ACTIVITY, AN OPERATOR SHALL IMPLEMENT AT LEAST ONE OF THE FOLLOWING LONG-TERM STABILIZATION TECHNIQUES FOR ANY DISTURBED SURFACE AREA WHERE CONSTRUCTION ACTIVITIES ARE NOT SCHEDULED TO OCCUR FOR AT LEAST 30 DAYS. A. RENEGOTIATION THAT RESULTS IN 75 PERCENT GROUND COVERAGE PROVIDED THAT AN ACTIVE WATERING SYSTEM IS IN PLACE AT ALL TIMES; OR B. ESTABLISHMENT OF A STABILIZED SURFACE THROUGH WATERING WITH PHYSICAL ACCESS RESTRICTION SURROUNDING THE AREA; OR C. USE OF CHEMICAL STABILIZERS TO ESTABLISH A STABILIZED SURFACE WITH PHYSICAL ACCESS RESTRICTION SURROUNDING THE AREA. ALL SOIL STABILIZATION MATERIALS SHALL CONTAIN GREEN COLORANT FOR CONFIRMATION OF APPLICATION. WEEKEND WATERING SCHEDULE: WATER MIN. 4 TIMES DAILY OR AS NECESSARY TO CONTROL DUST EMISSIONS MORE FREQUENT WATERING MAY BE REQUIRED ON WINDIER DAYS INACTIVE AREA AND STOCKPILE STABILIZATION METHOD (S): WATER TRUCK - WATERING MINIMUM 4 TIMES DAILY, TO CONTROL DUST EMISSIONS (MORE FREQUENT WATERING MAY BE REQUIRED ON WINDIER DAYS) OR USE AN APPROVED AMID SOIL STABILIZER AS NECESSARY UNPAVED ROADS STABILIZATION METHOD (S): INTERIOR PRIVATE ROADS ARE PAVED. ADDITIONAL UNPAVED ROADS ARE NOT EXPECTED. IF UNPAVED ROAD CIRCULATION OCCURS, THE ACTIVE PATHS MUST BE WATERED DAILY TO CONTROL DUST EMISSIONS. 4. PERIMETER BLOCK WALL SCHEDULE: A MAJORITY OF THE PERIMETER WALL IS CONSTRUCTED 5. OTHER: WIND/SAND FENCES TO BE INSTALLED AS SOON AS POSSIBLE SEE SITE MAP ON SHEET 2 FOR SPECIFIC LOCATIONS. 6. OTHER: NO STOCKPILING WITHOUT CITY ENGINEER APPROVAL. ANY PROJECT STOCKPILES SHALL BE KEPT WATERED OR OTHERWISE STABILIZED OR COVERED TO HELP COUNTERACT THEIR HIGH PROFILE EXPOSURE TO THE WIND AND CONTROL • I • P • • • R AI SHALL BE SITUATED AT LEAST 100 FEET AWAY FROM BUILDINGS OR PROJECT FENCE. •C• UTIL. CONST., AGG. BASE AND PAVING GENERAL REQUIREMENTS. 1. ALL INACTIVE AREAS SHALL BE STABILIZED BY THIS STAGE. IF PREVIOUSLY STABILIZED WITH VEGETATION, THE ACTUAL BUILDING PADS MAY NOW NEED TO BE STRIPPED, SCARIFIED, AND RECOMPACTED FOR BUILDING PAD COMPACTION AND ELEVATION CERTIFICATIONS. DUST SHALL BE KEPT DOWN BY WATERING, USUALLY BY TEMPORARY SPRINKLERS. 2. TRENCHING FOR BUILDING UTILITIES FORM THE BULK OF EARTHWORK AFTER THE PADS HAVE BEEN CERTIFIED. TEMPORARY SPRINKLERS OR OTHER APPROVED STABILIZATION METHODS SHALL STILL BE USED ON THE BUILDING SITE FOR DUST CONTROL PRIOR TO THE BEGINNING OF FRAMING. 3. ESTABLISHING THE LANDSCAPE AND SPRINKLER SYSTEM AROUND THE PERIMETER OF THE PROJECT SHOULD BE DONE AT THIS STAGE OR BEFORE. PLANTINGS AROUND THE PERIMETER SERVE AS A WIND BUFFER AND COLLECTION SYSTEM FOR DUST AND SAND. DUST AND SAND SHALL BE UNDER CONTROL PRIOR TO THE BUILDING PHASE. SITE SPECIFIC DETAILS (PLEASE DESCRIBE ANY SPECIFIC OR ADDITIONAL CONTROL MEASURE PROPOSED.) 1. BUILDING PAD WATERING: WATER TRUCK AND HOSE (MINIMUM 4 TIMES PER DAY) 2. FORMWORK AND TRENCH WATERING: WATER TRUCK AND HOSE (MINIMUM 4 TIMES PER DAY) 3. PERIMETER LANDSCAPE SCHEDULE: PERIMETER WALL AND LANDSCAPING ARE INSTALLED (DISTURBED AREAS TO BE WATERED A MINIMUM 4 TIMES PER DAY) 4. OTHER: NOT APPLICABLE ELEV. 499.71 LOCATION: R.R. SPIKE IN P/P AT NORTHWEST COR. AVE. 50 AND MONROE STREET. (NVGD 29, 500.00' ADDED TO MAINTAIN POSITIVE ELEVATIONS). PREPARED UNDER THE DIRECT SUPERVISION1VF SIGNATURE MICHELLE D. WITHERSPOO A.Q.M.D. CERTIFICATION # CV1705-04748-4810 DESION[D BT JHC DRAWN BY DG CHECKED BY MW APPROVED BY: CITY OF LA QUINTA 'D' STRUCTURES, HARDSCAPE, LANDSCAPE, SWALES, FINE DRAINAGE, POOL, RECREATIONAL FACILITIES AND PERIMETER WALLS/FENCING GENERAL REQUIREMENTS. 1. DISTURBED AREAS WITH LIMITED ACCESSIBILITY SHALL BE WATERED BY HAND OR TRUCK (IF POSSIBLE) FOR DUST CONTROL UNTIL SUCH TIME THAT THE PERMANENT SPRINKLER SYSTEM IS FULLY FUNCTIONAL AND GROUND COVER AND/OR LANDSCAPING IS ESTABLISHED. 2. CONSTRUCTION DUST SUCH AS FROM CEMENT, PLASTER, PAINT OVERSPRAY, WOOD CUTTING, GRINDING OPERATIONS, ETC., SHALL BE MINIMIZED, AND IN NO CASE BE ALLOWED TO EXTEND OVER 100' FROM THE SOURCE OR CROSS THE PROPERTY LINE. A PERIMETER BARRIER OF SPRINKLERS AND PLANTINGS CAN SERVE TO CATCH SOME OF THE POTENTIALLY HAZARDOUS MATERIAL AS WELL AS NATURAL DUST AND BLOWSAND. CONCENTRATIONS OF CONSTRUCTION DUSTS CAN RESULT FROM WASHING OF EQUIPMENT AND SHOULD BE PROPERLY DISPOSED OF BEFORE MATERIALS CAN DRYOUT AND BLOW OR BE WASHED ACROSS PROJECT BOUNDARIES. SITE SPECIFIC DETAILS NOT APPLICABLE ADDITIONAL NOTES 1. ON-SITE STAFFING: A. MAINTAIN A LIST OF ADDITIONAL EQUIPMENT (WATER TRUCK) OPERATORS AVAILABLE 24/7. B. MAINTAIN A LIST OF CITY APPROVED RESPONSIBLE PERSONS AUTHORIZED TO IMMEDIATELY CORRECT FUGITIVE DUST (RULE 403, 403.1 AND C.V. SIP) AND NUISANCE (RULE 402) VIOLATIONS. 2. STAFF TRAINING: A. PROVIDE TRAINING FOR STAFF AND MANAGEMENT AT A REGULARLY SCHEDULED AMID WORKSHOP. FOR SCHEDULING OF WORKSHOPS, CALL 866-861-3878. B. REQUIRE ALL SUBCONTRACTORS AND BUILDERS TO ATTEND A REGULARLY SCHEDULED AMID WORKSHOP. ABATEMENT OF DUST MITIGATION FAILURE AN IRREVOCABLE LICENSE IS HEREBY GRANTED OR CAUSED TO BE GRANTED TO THE CITY TO SITE AT ALL TIMES AND UNDER THE FOLLOWING CIRCUMSTANCES: A. IN THE EVENT THAT WIND SPEEDS IN EXCESS OF 25 M.P.H ARE FORECAST TO OCCUR BY MANAGEMENT DISTRICT (SCAQMD) FOR A PARTICULAR DAY; B. IN THE EVENT OF AN ON-SITE ANEMOMETER THAT CONFORMS TO ALL SCAQMD STANDARDS EXCESS OF 25 M.P.H. WITHIN CONSECUTIVE 30 MINUTE PERIODS; OR C. IN THE EVENT FUGITIVE DUST EMISSIONS ARE VISIBLE FROM ANY BOUNDARY LINE; OR IF PERMIT THE ENTRY UPON THE THE SOUTH COAST AIR QUALITY REGISTERING 2 WIND GUSTS IN D. THE CITY IS UNABLE, BY TELEPHONE, TO ESTABLISH A PERSONAL CONTACT WITH THE GENERAL CONTRACTOR, OR THE DESIGNATED RESPONSIBLE PERSON AFTER A 60 MINUTE CONSECUTIVE PERIOD WHICH SHALL COMMENCE WITH THE FIRST TELEPHONE CALL WHETHER ANSWERED OR NOT. THE CITY MAY THEN, WITHOUT PREJUDICE, INITIATE ONE OR ALL OF THE BELOW LISTED ACTIONS: 1. THE CITY MAY CAUSE THE CESSATION OF ANY ON-SITE ACTIVITY, INCLUDING BUT NOT LIMITED TO EARTH MOVING, CONSTRUCTION, DEMOLITION OR VEHICULAR MOVEMENT AND MANEUVERING. EXISTING FUGITIVE DUST MITIGATION MEASURES SHALL CONTINUE. 2. IN THE EVENT THAT AN ON-SITE IRRIGATION SYSTEM IS NOT INSTALLED AND/OR OPERATIONAL, THE CITY WILL CAUSE THE SITE TO BE WATERED. IN ANY CONTRACT BETWEEN THE GENERAL CONTRACTOR AND ANY WATER -PROVIDING VENDOR, SUCH AS A WATERING TRUCK OPERATION OR IRRIGATION SYSTEM PROVIDER/OPERATOR, THE CITY AND THE ENVIRONMENTAL OBSERVER SHALL BE NAMED AS AN AUTHORIZED AGENT FOR PURPOSES OF ORDERING OR CALLING -OUT WATER TRUCKS OR CAUSING AN IRRIGATION SYSTEM TO BE MADE OPERATIONAL. SHOULD THE GENERAL CONTRACTOR NOT HAVE SUCH A CONTRACT OR HAVE FAILED TO DESIGNATE THE CITY AND THE ENVIRONMENTAL OBSERVER AS AN AGENT OR NOT INFORMED THE CITY OF THE CONTRACTOR'S NAME, ADDRESS AND PHONE NUMBER, OR THE CITY IS UNABLE TO CONTACT THE CONTRACTOR AFTER A REASONABLE EFFORT IS MADE TO DO S0, THE CITY SHALL AUTHORIZE ANY OTHER VENDOR AS IT'S AGENT FOR PURPOSES OF ENTRY UPON THE SITE TO ATTEMPT TO MITIGATE ANY POTENTIAL DUST CONTROL PROBLEMS. 3. IN THE EVENT AN ON-SITE IRRIGATION SYSTEM IS INSTALLED, THE CITY WILL CAUSE THE IRRIGATION SYSTEM TO OPERATE. THE GENERAL CONTRACTOR SHALL TAKE ALL NECESSARY STEPS TO ENSURE THAT THE CITY HAS THE MEANS TO ACCESS THE SITE AND THE VALVES OF THE IRRIGATION SYSTEM; THAT IS, THE KEYS TO ANY AND ALL LOCKS PROVIDED TO THE CITY ENGINEER BY THE END OF THE NEXT WORK DAY FOLLOWING THE INSTALLATION OF ANY SUCH LOCK. EACH KEY SHALL BE PLAINLY AND CLEARLY MARKED WITH THE PROJECT NAME AND CORRESPONDING LOCK (MAIN GATE, SOUTH IRRIGATION SYSTEM, ETC.). E. IF, IN THE OPINION OF THE CITY ENGINEER OR HIS DESIGNEE, THE INTENSITY, FREQUENCY OR DURATION OF FUGITIVE DUST EMISSIONS FROM THE SITE CONSTITUTES A HAZARD TO THE SAFETY OF THE PUBLIC, BY INTRUSION BEYOND THE PROJECT BOUNDARY, THE CITY ENGINEER OR HIS DESIGNEE OR AGENT MAY IMMEDIATELY ENTER UPON THE SITE OR IMMEDIATELY TAKE OTHER SUCH ACTION AS MAY BE NECESSARY TO REMEDY THE HAZARD, SUCH AS, BUT NOT LIMITED TO COMMENCING WATERING ON THE SITE OR ORDERING THE CESSATION OF ANY EMISSION -GENERATING ACTIVITY OCCURRING ON-SITE. F. ANY OF THE ABOVE ACTIONS SHALL BE CONSTRUED AS AN ABATEMENT FOR WHICH THE CITY WILL "BACK CHARGE" THE GENERAL CONTRACTOR, DEVELOPER, AND/OR THE OWNER AS THE CITY SHALL DEEM APPROPRIATE. /o/2 /17 BRYAN MCKINNEY, P.E. DATE INTERIM CITY ENGINEER R.C.E. 49418 EXPIRES 09/30/2018 © Copyright 2017 MSA Consulting, Inc. All Rights Reserved CITY OF LA QUINTA, CALIFORNIA GRIFFIN RANCH - TR. NO. 32879 FUGITIVE DUST (PM -10) MITIGATION PLAN PORTIONS OF THE NORTH ONE HALF OF SECTION 15, TOWNSHIP 6 SOUTH, RANGE 7 EAST, SAN BERNARDINO BASE AND MERIDIAN. SHEET 2 4 SHEETS :30 AM, dgallerani, MSA Consulting, Inc R:\1721 \ACAD\Grading\SWPPP-PM10\PM10\1721 PM1002.dwg, 9/20/2017 10 PART 4 APPLICATION CONSENT AND AGREEMENT APPLICATION FOR APPROVAL OF THIS PM10 PLAN IS HEREBY MADE TO THE CITY ENGINEER OR HIS DESIGNEE, AS PART OF A GRADING PERMIT APPLICATION, SUBJECT TO THE CONDITIONS AND RESTRICTIONS SET FORTH HEREIN: 1. EACH PERSON UPON WHOSE BEHALF THIS APPLICATION IS MADE AND EACH PERSON AT WHOSE REQUEST AND FOR WHOSE BENEFIT WORK IS PERFORMED UNDER AND PURSUANT TO ANY PERMIT ISSUED AS A RESULT OF THIS APPLICATION AGREES TO, AND SHALL INDEMNIFY AND HOLD HARMLESS THE CITY OF LA QUINTA, ITS OFFICERS, AGENTS AND EMPLOYEES. 2. ANY PERMIT ISSUED AS A RESULT OF THIS APPLICATION BECOMES NULL AND VOID IF WORK IS NOT COMMENCED WITHIN 90 DAYS FROM THE DATE OF ISSUANCE OF SUCH PERMIT. 3. THE APPLICANT, OWNER, CONTRACTOR(S), SUBCONTRACTOR(S), BUILDERS OR OTHER AGENTS, HEIRS OR ASSIGNEES SHALL CONFORM TO THIS PM10 DUST CONTROL PLAN AS APPROVED BY THE CITY. SAID PLAN INCLUDES NOTES AND/OR DRAWINGS OF TEMPORARY OR PERMANENT CONTROL METHODS OR DEVICES PROPOSED TO BE USED. THIS PM10 PLAN SHALL BE CONSIDERED AN ADDENDUM TO, AND A NECESSARY PART OF, ANY GRADING, STOCKPILE, IMPROVEMENT, BUILDING OR DEMOLITION PLAN OTHERWISE REQUIRED FOR CITY PERMITS. 4. BY AGREEING TO CONFORM TO THIS PLAN AS APPROVED BY THE CITY, THE OWNER, CONTRACTOR(S), SUBCONTRACTOR(S) AND BUILDERS, DO ALSO AGREE TO ABIDE BY THE PROVISIONS OF THE ABATEMENT PROCEDURES AS SHOWN ON SHEET 3. 5. NO CONTRACTOR, SUBCONTRACTOR, OR BUILDER OF ANY TYPE SHALL BE ALLOWED TO WORK ON SITE WITHOUT HAVING ATTENDED A REGULARLY SCHEDULED A.Q.M.D. WORKSHOP. LICENSED CONTRACTOR'S DECLARATION: I HEREBY AFFIRM THAT I AM LICENSED UNDER THE PROVISIONS OF CHAPTER 9 (COMMENCING WITH SECTION 7000 OF DIVISION 3 OF THE BUSINESS AND PROFESSIONS CODE), AND THAT MY LICENSE 15 IN FULL FORCE AND EFFECT. I HAVE READ THE CONDITIONS OF THE FUGITIVE DUST (PM10) MITIGATION PLAN AND THE OWNER HAS AUTHORIZED IMPLEMENTATION OF ALL OF ITS PROVISIONS THROUGHOUT PROJECT BUILD OUT AND UNTIL THE ISSUANCE OF CERTIFICATES OF OCCUPANCY. LICENSE CLASS CONTRACTORS NAME COMPANY NAME NO. COMPANY ADDRESS CONTACT PHONE NUMBERS DAY NIGHT CONTRACTORS SIGNATURE DATE I HAVE READ THE CONDITIONS OF THE FUGITIVE DUST (PM10) MITIGATION PLAN AND THE OWNER HAS AUTHORIZED THE IMPLEMENTATION OF ALL ITS PROVISIONS THROUGHOUT PROJECT BUILD OUT. GRADING CONTRACTOR OR COMPANY NAME: TRADE PHONE NUMBER LICENSE CLASS NO. EMERGENCY PHONE NUMBER SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE DATE SEWER AND WATER CONTRACTOR OR COMPANY NAME: TRADE PHONE NUMBER LICENSE CLASS NO. EMERGENCY PHONE NUMBER SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE DATE DRY UTILITY CONTRACTOR OR COMPANY NAME: TRADE PHONE NUMBER LICENSE CLASS NO. EMERGENCY PHONE NUMBER SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE DATE PAVING CONTRACTOR OR COMPANY NAME: TRADE PHONE NUMBER LICENSE CLASS NO. EMERGENCY PHONE NUMBER SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE DATE LANDSCAPE CONTRACTOR CONTRACTOR OR COMPANY NAME: TRADE LICENSE CLASS NO. PHONE NUMBER EMERGENCY PHONE NUMBER SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE DATE CONTRACTOR AGREEMENT CONTINUED ON SHEET 4 OWNER'S CERTIFICATION FINANCIAL SECURITY: TO INSURE IMPLEMENTATION OF THE DUST CONTROL MITIGATION MEASURES, A FINANCIAL SECURITY WHICH 15 EQUAL TO THE COST OF IMPLEMENTATION OF ANY MITIGATION MEASURES SHALL BE REQUIRED PRIOR TO THE ISSUANCE OF ANY PERMIT. ANY FINANCIAL SECURITIES COLLECTED UNDER THE PROVISIONS OF THIS REQUIREMENT SHALL BE HELD BY THE CITY OF LA QUINTA FOR POTENTIAL USE IN MITIGATING SOURCES OF FUGITIVE DUST NOT ADEQUATELY MITIGATED BY THE PROPERTY OWNER. THE UNUSED BALANCE SHALL BE RETURNED TO THE PROPERTY OWNER ONCE THE CITY HAS ACCEPTED THE FINAL IMPROVEMENT AND ISSUED CERTIFICATES OF OCCUPANCY. I CERTIFY THAT I HAVE READ THIS APPLICATION AND UNDERSTAND THAT I AM RESPONSIBLE FOR THE COMPLIANCE OF THIS PROJECT TO THE DUST CONTROL PROVISIONS NOTED OR REFERENCED HEREIN. I UNDERSTAND THAT THE DUST CONTROL SECURITY THAT I'VE POSTED WITH THE CITY OF LA QUINTA MAY BE USED BY THE CITY, AND ADDITIONAL CHARGES, IF NEEDED, TO MITIGATE ANY VISIBLE EMISSIONS OR FUGITIVE DUST, IF I FAIL TO KEEP THE DUST UNDER CONTROL. I UNDERSTAND THAT DUST CONTROL IS REQUIRED 24 HOURS PER DAY, 7 DAYS PER WEEK FROM THE INITIAL DATE THAT THIS SITE IS DISTURBED IN ANY WAY FROM THE NATURAL VEGETATED CONDITION, AND SHALL CONTINUE UNTIL THE TIME THAT THE PROJECT SITE AND ALL IMPROVEMENTS ARE COMPLETED AND THE PROJECT SITE 15 ACCEPTABLY RE -VEGETATED AND PAVED. RESPONSIBILITY FOR THE DUST CONTROL ON THE SITE CAN NOT BE TRANSFERRED SOLELY BY TRANSFERRING ALL OR A PORTION OF THIS PROPERTY TO OTHER CONTRACTORS, BUILDERS OR OWNERS. A REPLACEMENT PM10 PLAN AND DUST CONTROL SECURITY SHALL BE SUBMITTED FOR ANY TRANSFERRED PORTION OF THE PROJECT. I HEREBY AUTHORIZE THE PERSON LISTED BELOW AS THE "RESPONSIBLE PERSON" AND HIS DESIGNATED AGENTS, TO BE THE REPRESENTATIVE AND CONTACT PERSON FOR ALL DUST COMPLAINTS INVOLVING THIS PROJECT. I CERTIFY THAT I HAVE READ THIS APPLICATION AND THAT THE INFORMATION CONTAINED HEREIN IS TRUE AND CORRECT. I AGREE TO COMPLY WITH THE CITY FUGITIVE DUST ORDINANCE, A.Q.M.D. RULE 403, 403.1 AND THE FINAL COACHELLA VALLEY S.I.P. AND ALL LAWS RELATING TO CLEARING, GRADING, UTILITIES, LANDSCAPING, AND BUILDING OPERATIONS. I AUTHORIZE REPRESENTATIVES OF THE CITY OF LA QUINTA TO ENTER UPON THE ABOVE-MENTIONED PROPERTY FOR INSPECTION AND/OR ABATEMENT PURPOSES, AND I AGREE TO HOLD HARMLESS THE CITY AND ITS REPRESENTATIVES FROM LIABILITY FOR ANY ACTIONS RELATED TO THIS PERMIT. OWNER'S NAME(S): SHELLY JORDAN (LENNAR HOMES OF CALIFORNIA, INC.) OWNER'S ADDRESS: 980 MONTECITO DRIVE, SUITE 302, CORONA, CA 92879 CONTACT PHONE NUMBERS: DAY (951) 817-3526 OWNER'S SIGNATURE(S): %'-' DATE: 9' .S- AUTHORIZED RESPONSIBLE PERSON'S CERTIFICATION I CERTIFY THAT I HAVE READ THIS APPLICATION AND PM10 PLAN AND UNDERSTAND THAT I AM RESPONSIBLE FOR THE COMPLIANCE OF THIS PROJECT TO THE DUST CONTROL PROVISIONS NOTED OR REFERENCED HEREIN. AS THE AUTHORIZED RESPONSIBLE PERSON FOR THIS PROJECT I WILL LIST MY PHONE NUMBER ON THE REQUIRED SITE SIGNS, AND I WILL RESPOND TO DUST COMPLAINTS WITHIN THE 1 HOUR LIMIT. I UNDERSTAND THAT DUST CONTROL IS REQUIRED 24 HOURS PER DAY 7 DAYS PER WEEK, FROM THE DATE THAT THE PROJECT 15 FIRST DISTURBED IN ANY WAY FROM THE NATURAL VEGETATED CONDITION, AND CONTINUE UNTIL THE TIME THAT THE PROJECT SITE AND ALL IMPROVEMENTS ARE COMPLETED AND THE PROJECT SITE 15 ACCEPTABLY RE -VEGETATED AND PAVED. I ALSO CERTIFY THAT I HAVE ATTENDED AN A.Q.M.D. SEMINAR ON FUGITIVE DUST CONTROL. NAME: SCOTT TERESI CERTIFICATION NO.: CV1708.005046-5109 COMPANY: LENNAR HOMES OF CALIFORNIA, INC ADDRESS: 980 MONTECITO DRIVE, SUITE 302, CORONA, CA 92879 CONTACT PHONE NUMBER (24 HOURS): (951) 264-3670 SIGNATURE: PART 5 COST INFORMATION APPLICABLE TO MEDIUM -LARGE SCALE CONSTRUCTION/DEMOLITION PROJECTS (GREATER THAN 5 ACRES) FUGITIVE DUST (PM10) MITIGATION PLAN DATE: JURISDICTION: CITY OF LA QUINTA PERMIT NO.: 12032 IN ACCORDANCE WITH THE FUGITIVE DUST CONTROL ORDINANCE, OF THE CITY OF LA QUINTA, THE FOLLOWING FORM SHALL BE COMPLETED AND RETURNED WITHIN 15 DAYS PRIOR TO ISSUANCE OF CERTIFICATES AND PERMITS FOR GRADING, USE AND OCCUPANCY PERMITS OR AT OTHER TIMES PREDETERMINED BY THE CITY. PROJECT OWNER/PROPONENT: LENNAR HOMES OF CALIFORNIA, INC. ADDRESS: 980 MONTECITO DRIVE, SUITE 302 CORONA, CA 92879 DAY PHONE NUMBER: (951) 817-3526 EMERGENCY PHONE NUMBER: (951) 264-3670 (SCOTT TERESI) IN THE SPACE PROVIDED BELOW LIST THE COSTS ASSOCIATED WITH IMPLEMENTATION OF ALL DUST CONTROL MEASURES. THE COST INFORMATION PROVIDED BELOW SHALL INCLUDE ALL IMPLEMENTATION COSTS (INCLUDING LABOR, EQUIPMENT, MATERIALS AND TOOLS) REQUIRED FOR DUST CONTROL THROUGHOUT THE PROJECT. ALL MEASURES LISTED BELOW MAY NOT APPLY TO ALL PROJECTS. WATERING: CHEMICAL STABILIZATION: WIND FENCING: COVERING HAUL VEHICLES: WHEEL WASHERS: STREET SWEEPING: PAVING: WIND SHELTERING: COVERINGS: VEGETATION RE-ESTABLISHMENT: AFTER PROJECT COMPLETION THESE RECORDS SHALL BE TRANSMITTED TO THE AGENCY WHERE THE GRADING/DEMOLITION PERMIT WAS ATTAINED AND TO THE COACHELLA VALLEY ASSOCIATION OF GOVERNMENTS (CVAG) AT THE ADDRESS PROVIDED BELOW. PM10 COST MONITORING SECTION, COACHELLA VALLEY ASSOCIATION OF GOVERNMENTS 73-710 FRED WARING DRIVE, SUITE 200 PALM DESERT, CALIFORNIA 92260 PART 6 RESPONSIBLE PERSON 1. NAME AND LIST ALL RESPONSIBLE PERSONS. 2. RESPONSIBLE PERSONS SHALL BE APPROVED BY THE CITY ENGINEER. RESUMES OF EXPERIENCE AND CERTIFICATION OF ATTENDANCE AT AQMD PM -10 CLASSES AND OTHER REQUESTED DOCUMENTATION SHALL BE PROVIDED TO THE CITY FOR REVIEW PRIOR TO ACCEPTANCE. 3. THE CITY RESERVES THE RIGHT TO REJECT ANY PROPOSED OR ACCEPTED RESPONSIBLE PERSON, AT ANY TIME WITHOUT PREJUDICE. 4. EACH OBSERVER SHALL BE EQUIPPED WITH A 24 HOUR CELLULAR PHONE, RESPONSIBLE PERSON CHECKLIST, A CAMERA, A LOG BOOK AND A VEHICLE. 5. IF THE PM -10 RESPONSIBLE PERSON LEAVES THE SITE FOR ANY REASON, NO CONSTRUCTION THAT MAY CAUSE FUGITIVE DUST SHALL OCCUR UNTIL THE RESPONSIBLE PERSON, OR A REPLACEMENT HAS RETURNED. CONSTRUCTION ACTIVITY DURING THE RESPONSIBLE PERSON'S ABSENCE SHALL BE LIMITED TO OPERATION OF FUGITIVE DUST PREVENTION EQUIPMENT INCLUDING WATER TRUCKS, CHEMICAL STABILIZATION TRUCKS, AND EQUIPMENT REQUIRED FOR INSTALLATION AND REPAIR OF WIND FENCING. 6. THE CELLULAR PHONE SHALL BE IN THE POSSESSION OF THE RESPONSIBLE PERSON AT ALL TIMES. 7. THE PHONE NUMBER FOR THE 24 HOUR PHONE SHALL BE MAINTAINED AND POSTED ON THE CITY APPROVED 8'X4' OR 4'x3' PERIMETER SIGNS. 8. THE REPORT SHALL BE PREPARED EVERY DAY. THE REPORTS, LOGS AND PHOTOS SHALL BE CONTAINED IN A FOLDER THAT 15 ACCESSIBLE IN THE CONSTRUCTION TRAILER, 24/7. © Copyright 2017 MSA Consulting, Inc. All Rights Reserved NO. REVISIONS APPROVED DATE a 34200 Boa HOPE Dian • RANCHO MIRAGE ■ CA 92270 TELEPHONE (760) 320-9811 • FAx (760) 323-7893 MSA CONSULTING, INC. PLANNING ■ CIVIL ENGINEERING ■ LAND SURVEYING BENCH MARK INDIO BM #99 ELEV. 499.71 LOCATION: R.R. SPIKE IN P/P AT NORTHWEST COR. AVE. 50 AND MONROE STREET. (NVGD 29, 500.00' ADDED TO MAINTAIN POSITIVE ELEVATIONS). PREPARED UNDER THE DIRECT SUPERVISION OF SIGNATURE r `f!/ MICHELLE D. WITHERS ON A.Q.M.D. CERTIFICATION # CV1705-004748-4810 UtbItsNtU BY JHC DRAWN BY DG CHECKED BY MW APPROVED BY: CITY OF LA QUINTA /0/2.117 BRYAN MCKINNEY, P.E. DATE INTERIM CITY ENGINEER R.C.E. 49418 EXPIRES 09/30/2018 CITY OF LA QUINTA, CALIFORNIA GRIFFIN RANCH - TR. NO. 32879 FUGITIVE DUST (PM -10) MITIGATION PLAN PORTIONS OF THE NORTH ONE HALF OF SECTION 15, TOWNSHIP 6 SOUTH, RANGE 7 EAST, SAN BERNARDINO BASE AND MERIDIAN. , SHEETS SHEET 3 OF 4 R:\1721\ACAD\Grading\SWPPP-PM10\PM10\1721 PM10 03.dwg, 9/20/2017 10:03:40 AM, dgallerani, MSA Consulting, In PART 4 AGREEMENT (CONTINUED FROM SHEET 4) I HAVE READ THE CONDITIONS OF THE FUGITIVE DUST (PM10) MITIGATION PLAN AND THE OWNER HAS AUTHORIZED THE IMPLEMENTATION OF ALL ITS PROVISIONS THROUGHOUT PROJECT BUILDOUT. CONTRACTOR OR COMPANY NAME. TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME. TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF SEWER AND WATER CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME. TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF DRY UTILITY CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME. TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF PAVING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME' TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF PAVING CONTRACTOR OR AUTHORIZED REPRESENTATIVE CONTRACTOR OR COMPANY NAME' TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF SEWER AND WATER CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME' TRADE PHONE NUMBER: LICENSE CLASS NO. EMERGENCY PHONE NUMBER: CONTRACTOR OR COMPANY NAME' TRADE PHONE NUMBER: LICENSE CLASS NO. EMERGENCY PHONE NUMBER: SIGNATURE OF DRY UTILITY CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME. TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF DRY UTILITY CONTRACTOR OR AUTHORIZED REPRESENTATIVE SIGNATURE OF PAVING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) (DATE) CONTRACTOR OR COMPANY NAME' TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF PAVING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME' TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF PAVING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) -SAMPLE- ENVIRONMENTAL OBSERVER CHECKLIST - AM HOURS ELEMENTS MONITORED 1 2A 1AM 2AM 3AM 4AM 5AM 6AM 7AM SAM 9AM 10AM 1 1A COMMENTS FORECASTED HIGH WINDS WIND SPEED WIND DIRECTION # WATER TRUCKS OPERATING # WATER TRUCKS AVAILABLE ROADS MOIST/WATERED UNSTABILIZED AREAS MOIST/WATERED DRY AREAS OBSERVED ALL IRRIGATION WORKING ALL IRRIGATION MAINTENANCE WATER TANKS FILLED ALL WATER PUMPS WORKING CHEMICAL STABILIZATION USED TRACK—OUT OBSERVED BLOW SAND OBSERVED ON—SITE BLOWING DUST OBSERVED ON—SITE BLOWING DUST OBSERVED OFF—SITE ALL WIND/SNOW FENCING MAINTAINED # COMPLAINTS RECEIVED CORRECTIVE ACTION TAKEN N=NO OR NONE Y=YES N/A=NOT APPLICABLE NAME: DATE: CONTRACTOR OR COMPANY NAME- -SAMPLE- * ENVIRONMENTAL OBSERVER CHECKLIST - PM HOURS TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF PAVING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME' TRADE LICENSE CLASS NO. PHONE NUMBER: (DATE) EMERGENCY PHONE NUMBER: CONTRACTOR OR COMPANY NAME' SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) NO. REVISIONS APPROVED DATE (DATE) CONTRACTOR OR COMPANY NAME' TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF SEWER AND WATER CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) rns MSA CONSULTING, INC. PLANNING ■ CIVIL ENGINEERING ■ LAND SURVEYING TEXT HT. r- 34200 Bos HOPE DRIVE • RANCHO MIRAGE ■ CA 92270 TELEPHONE (760) 320-9811 • FAX (760) 323-7893 2.5" 6.0" 6.0" 3.0" 3.0" 6.0" 6.0" 1.5" 1.5" 2.0" 1.5" 1.5" 4' CITY OF LA QUINTA PERMIT NO. 12032 GRIFFIN RANCH TRACT NO. 32879 IF YOU SEE DUST COMING FROM THIS PROJECT PLEASE CALL: SCOTT TERESI (951) 264-3670 IF YOU DON'T GET A RESPONSE WITHIN ONE HOUR, PLEASE CALL: THE CITY OF LA QUINTA PUBLIC WORKS DEPARTMENT (760) 416-5315 REPORT THE PERMIT OR PROJECT NO. AT THE PHONE NUMBER ABOVE OR CALL AIR QUALITY MANAGEMENT DISTRICT AT: 1 800-288-7664 IM 4"x4" WOOD POSTS • • SAMPLE PM10 SIGN DETAIL BLACK LETTERS, WHITE BACKGROUND - 4' H x 8'1 BENCH MARK INDIO BM #99 COMPACTED SOIL PREPARED UNDER THE DIRECT SUPERVISION OF ELEV. 499.71 LOCATION: R.R. SPIKE IN P/P AT NORTHWEST COR. AVE. 50 AND MONROE STREET. (NVGD 29, 500.00' ADDED TO MAINTAIN POSITIVE ELEVATIONS). SIGNATURE ELEMENTS MONITORED NOON 1PM 2PM 3PM 4PM 5PM 6PM 7PM BPM 9PM 1OPM 1 1PM COMMENTS FORECASTED HIGH WINDS WIND SPEED WIND DIRECTION # WATER TRUCKS OPERATING # WATER TRUCKS AVAILABLE ROADS MOIST/WATERED UNSTABILIZED AREAS MOIST/WATERED DRY AREAS OBSERVED ALL IRRIGATION WORKING ALL IRRIGATION MAINTENANCE WATER TANKS FILLED ALL WATER PUMPS WORKING CHEMICAL STABILIZATION USED TRACK—OUT OBSERVED BLOW SAND OBSERVED ON—SITE BLOWING DUST OBSERVED ON—SITE BLOWING DUST OBSERVED OFF—SITE ALL WIND/SNOW FENCING MAINTAINED # COMPLAINTS RECEIVED CORRECTIVE ACTION TAKEN N=NO OR NONE Y=YES N/A=NOT APPLICABLE NAME: DATE: *NOTE: REQUIRED TO BE FILLED OUT DAILY WITH A COPY TO CITY ENGINEER DEswneD SY APPROVED BY: CITY OF LA QUINTA MICHELLE D. WITHERSPOON A.Q.M.D. CERTIFICATION # CV1705-004748-4810 DG CHECKED BY MW MAIN BRYAN MCKINNEY, P.E. DATE INTERIM CITY ENGINEER R.C.E. 49418 EXPIRES 09/30/2018 © Copyright 2017 MSA Consulting, Inc. All Rights Reserved CITY OF LA QUINTA, CALIFORNIA GRIFFIN RANCH - TR. NO. 32879 FUGITIVE DUST (PM -10) MITIGATION PLAN PORTIONS OF THE NORTH ONE HALF OF SECTION 15, TOWNSHIP 6 SOUTH, RANGE 7 EAST, SAN BERNARDINO BASE AND MERIDIAN SHEET 4 OF 4 SHEETS AM, dgallerani, MSA Consulting R:\1721\ACAD\Grading\SWPPP-PM10\PM10\1721 PM10 04.dwg, 9/20/2017