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RG2021-0005Kj[I mi'mVIJC IV. / I VOJJVO' oLF SITE AVENUE R w of tn Z 0 D 54 AIRPORT BLVD. tioR�� AVENUE 58 VICINITY MAP CONSTRUCTION NOTES OINSTALL DG PATH. SEE LANDSCAPE ARCHITECT'S PLAN FOR DETAILS AND MATERIALS O2 CONSTRUCT 2' HIGH RETAINING WALL PER SEPARATE PERMIT. C RETENTION QUANTITY ESTIMATE (FOR PERMIT PURPOSES ONLY) 17,758 S.F. - -` - -- -147 L.F. IN THE CITY OF LA QUINTA, COUNTY OF RIVESIDE, STATE OF CALIFORNIA TRACT MAP NO. 31249 ANTERA AT CORAL MOUNTAIN BA SIN REHA BIL / TA TION A ND TRA IL PL A N BEING A PORTION OF THE NORHTEAST 1/4 OF THE NORTHWEST 1/4 OF SECTION 28, TOWNSHIP 6 SOUTH, RANGE 7 EAST, S.B.M. PREPARED FOR, BEAZER HOMES 310 COMMERCE, SUITE 150 IRVINE, CA 92620 (714) 672-7000 r �I! •Q' s CATCH BASIN N0. 10 -- CATCH BASIN NO. 11 i' loo= 4.56 cfs _ Q Q 100 2.11 cfs I r t f._ Q1o= 1.26 cfs 1 Q,o= 2.71 cfs -,S- � aZ HEET - AVENUE 58 -� 11, EARTHWORK ESTIMATE fr RAW CUT 887 C.Y. RAW FILL 160 C.Y. II r 5 4 t..l V3TCH BAST NO. 6 - oo= 1�5. 4 cfs 10= 8'�Ycfs 2 45 \ 44 I 43 I 42 I 41 I 40 < 46 lul a - i mr, fi I_ 39 I 38 I I I I 52 48 49 50 51 / 47 -L �J_ _' r 53 CH IRA'31N\N6. 7`� ,90= 0 eft _ f C-85\ / j 59 I 58 I 57 5556 64 84 � 80 �ACCV1 j� /67 68 81 64 I 6566 i�� 30 aaSv \\ 626 IJI ilj�70 -_- - �. - J 6 75 \� 80 I 79 I 78 77 711 I 74 I 73 I 72 I 71 \ 15 I SPOILS TO BE USED IN OFF-SITE PARKWAY MOUNDING. 0 �I RAW EARTHWORK ESTIMATE NO FACTORS /' THE ABOVE LISTED EARTHWORKUANTITIES ARE RAW FIGURES WITH NO SHRINKAGE OR SUBSIDENCE DENCE FACTORS INCLUDED. THE EARTHWORK QUANTITIES II SHOWN ON THIS PLAN ARE APPROXIMATE ESTIMATES SHOWN FOR AGENCY FEE PURPOSES ONLY N P AND ARE BSE UPON THE PLAN ELEVATIONS SHOWN EX. AND ON THE GROUND ELEVATIONS WHICH EXISTED AT THE TIME OF THE TOPOGRAPHIC SURVEY. THE LOCATION AND ELEVATION OF THE EXISTING GROUND I II { CONTOURS WERE OBTAINED FROM A FIELD SURVEY AND ARE APPROXIMATE ONLY. NO REPRESENTATION IS MADE OR WARRANTY IMPLIED THAT THESE I QUANTITIES ARE PRECISE OR THAT THE EARTHWORK WILL BALANCE.^ OII NOTE TO CONTRACTOR, QUANTITY ESTIMATE II MSA CONSULTING INC. MAKES NO REPRESENTATION CONCERNING THE ESTIMATEDUANTITIES Q ON THESE PLANS EXCEPT THAT ALL SUCH FIGURES I I INCLUDING EARTHWORK ALL EA QUANTITIES ARE PRELIMINARY ESTIMATES AND FOR PERMIT PURPOSES ONLY. IT SHALL BE THE CONTRACTOR'S 'S ECO RAC OR RESPONSIBILITY r I I TO PREPARE HIS OWN QUANTITY ESTIMATE FOR CONSTRUCTION OR COST PURPOSES. MSA CONSULTING,A INC.C. SHALL NOT BE RESPONSIBLE FOR ANY (, DEVIATIONS BETWEEN ESTIMATED QUANTITIES AND ACTUAL QUANTITIES AT THE TIME OF CONSTRUCTION. 0 UTILITIES II POINT\ TOP OF IRRIGATION COACHELLA VALLEY WATER DISTRICT (760) 398-2651 II WATER COACHELLA VALLEY WATER DISTRICT (760) 398-2651 I{ SEWER COACHELLA VALLEY WATER DISTRICT (760) 398-2651 0 II ELECTRIC IMPERIAL IRRIGATIN DISTRICT (800) 303-7756 II J GAS THE GAS COMPANY (800) 427-2200 II t TELEPHONE VERIZON (760) 483-5000 FS CABLE T.V. TIME WARNER CABLE (760) 340-1312 EXT. 281 PVI USA UNDERGROUND SERVICE ALERT (800) 227-2600 I NOTE TO CONTRACTOR, EXISTING UTILITIES �a THE LOCATIONS OF UNDERGROUND UTILITIES SHOWN ON THE PLANS WERE OBTAINED FROM A REVIEW OF AVAILABLE RECORD DATA WHILE DUE CARE WAS GB TAKEN IN PREPARATION OF THIS INFORMATION, MSA CONSULTING, INC. CANNOT AND DOES NOT GUARANTEE THE ACCURACY NOR THE COMPLETENESS OF PVMT THE INFORMATION. THE LOCATIONS OF EXISTING UNDERGROUND UTILITIES ARE SHOWN IN AN APPROXIMATE WAY ONLY. THE CONTRACTOR SHALL II DETERMINE THE EXACT LOCATIONS OF ALL EXISTING UTILITIES BEFORE COMMENCING WORK. SE) THE CONTRACTOR AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES, WHICH RESULT FROM HIS FAILURE TO LOCATE EXACTLY AND {I PRESERVE ANY AND ALL UNDERGROUND UTILITIES. THE CONTRACTOR SHALL POTHOLE PROPOSED CROSSINGS OF EXISTING UTILITIES PRIOR TO O CONSTRUCTION AND SHALL VERIFY THEIR HORIZONTAL AND VERTICAL LOCATIONS. IN THE EVENT, DURING CONSTRUCTION, THAT UNKNOWN UTILITIES OR / UNKNOWN STRUCTURES ARE FOUND AT UNEXPECTED ELEVATIONS OR LOCATIONS, MSA CONSULTING, INC. IS TO BE NOTIFIED OF SUCH CONDITION AT SW) ONCE. MSA CONSULTING, INC. WILL MAKE REQUIRED DESIGN CHANGES AND THE CONTRACTOR AGREES TO COMPLETE ALL WORK, INCLUDING REPAIRS HC REQUIRED, IN AN EXPEDITIOUS MANNER. THE CONTRACTOR FURTHER AGREES TO PURSUE DILIGENTLY THE COMPLETION OF SAID WORK. RAD. ANY DISCREPANCY BETWEEN THE PLANS AND FIELD SHALL BE BROUGHT TO THE ATTENTION OF MSA CONSULTING, INC. THE CONTRACTOR SHALL NOTIFY TYPICAL MSA CONSULTING, INC. PRIOR TO POTHOLING. IF NECESSARY, MSA CONSULTING, INC. SHALL REVISE THE PLANS. THE CONTRACTOR SHALL BEGIN II , CONSTRUCTION AFTER REVISIONS ARE APPROVED., HP NOTE TO CONTRACTOR, SITE CONDITIONS RED. REDUCER R/w CONTRACTOR AGREES TO ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR THE JOB SITE CONDITION DURING THE COURSE OF CONSTRUCTION OF THIS BC PROJECT, INCLUDING THE SAFETY OF ALL PERSONS AND PROPERTY. THIS REQUIREMENT APPLIES CONTINUOUSLY AND IS NOT LIMITED TO NORMAL II \ WORKING HOURS. C7 \ \ THE CONTRACTOR ALSO AGREES TO DEFEND, INDEMNIFY, AND HOLD THE OWNER AND THE MSA CONSULTING, INC., HARMLESS FROM ANY AND ALL LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF WORK ON THIS PROJECT, EXCEPTING FOR LIABILITY ARISING FROM THE SOLE n NEGLIGENCE OF THE OWNER OR MSA CONSULTING, INC. �;- 00 ABBREVIATIONS EVC END OF VERTICAL CURVE PRC P N 3 r 5 4 t..l V3TCH BAST NO. 6 - oo= 1�5. 4 cfs 10= 8'�Ycfs 2 45 \ 44 I 43 I 42 I 41 I 40 < 46 lul a - i mr, fi I_ 39 I 38 I I I I 52 48 49 50 51 / 47 -L �J_ _' r 53 CH IRA'31N\N6. 7`� ,90= 0 eft _ f C-85\ / j 59 I 58 I 57 5556 64 84 � 80 �ACCV1 j� /67 68 81 64 I 6566 i�� 30 aaSv \\ 626 IJI ilj�70 -_- - �. - J 6 75 \� 80 I 79 I 78 77 711 I 74 I 73 I 72 I 71 \ 15 BEGIN CURB RETURN INV INVERT OI T OF REVERSE CURVE /' 16 j 17 /.,_ EX. .L-. PP POWER POLE BS 18 19 I 20 21 C 36 SCA Q1 C 35 34 I 33 32 1� Ii 31 ,I I 30 i' 29 22 I 23 ( 24 I 25 I 26 I 27 � 28 11 i� II I I INDEX MAP BCR BEGIN CURB RETURN INV INVERT OI T OF REVERSE CURVE � - _ BOC E EAST EX. EXISTING PP POWER POLE BS BOTTOM OF STEPS N NORTH FF FINISHED FLOOR PROP. PROPOSED - �\ S SOUTH FG FINISHED GRADE PT. POINT\ TOP OF FOOTING W WEST FL FLOWLINE PUE PUBLIC UTILITY EASEMENT TOP OF GRATE NE) NORTHEAST FS FINISHED SURFACE PVI POINT OF VERTICAL INTERSECTION TOP OF PAVEMENT NW) NORTHWEST GB GRADE BREAK PVMT PAVEMENT TOP OF RETAINING WALL SE) SOUTHEAST GF GARAGE FLOOR R/W RIGHT OF WAY LEGEND WALL SW) SOUTHWEST HC HANDICAP RAD. RADIUS TYPICAL AC ASPHALT CONCRETE HP HIGH POINT RED. REDUCER R/w EXISTING RIGHT OF WAY BC BEGINNING OF CURVE HZ HORIZONTAL SO STORM DRAIN C 36 SCA Q1 C 35 34 I 33 32 1� Ii 31 ,I I 30 i' 29 22 I 23 ( 24 I 25 I 26 I 27 � 28 11 i� II I I INDEX MAP BCR BEGIN CURB RETURN INV INVERT S.F. ESMT EXISTING EASEMENT 0' 150' 300' 450' 600' SQUARE FEET BOC BACK OF CURB LINE L# STA. STATION - CENTERLINE 111111111111 , BS BOTTOM OF STEPS L.F. LINEAL FEET STD. STANDARD MEN MINIMUM BSL BUILDING SETBACK LP LOW POINT S/W SIDEWALK - - PROPOSED RIGHT OF WAY O SCALE 1"=150' C# CURVE MAX. MAXIMUM SWR SEWER -CATCH BASIN PROPOSED EASEMENT C/L CENTERLINE MH MANHOLE TB TOP OF BERM Q1o= 5.41 C&G CURB AND GUTTER MIN. MINIMUM TC TOP OF CURB PROPOSED BOUNDARY C.B. CATCH BASIN MOC MID -POINT OF CURVE TF TOP OF FOOTING PROPOSED PROPERTY LINE C.Y. CUBIC YARDS MVC MID -POINT OF VERTICAL CURVE TOG TOP OF GRATE D DEPTH NG NATURAL GROUND TP TOP OF PAVEMENT PROPOSED CURB AND GUTTER DB DRAIN BOX NO. NUMBER TRW TOP OF RETAINING WALL - -SD- EXISTING STORM DRAIN DWG. DRAWING N.T.S. NOT TO SCALE TW TOP OF WALL DWY DRIVEWAY 0/H OVERHEAD TYP TYPICAL W EXISTING WATER MAIN INDEX OF SHEETS SHEET DESCRIPTION 1 2 TITLE SHEET REHABILITATION PLAN EA. EACH P/L PROPERTY LINE VC VERTICAL CURVE S EXISTING SEWER MAIN EC END OF CURVE P.C.C. PORTLAND CONCRETE CEMENT VERT VERTICAL U EXISTING UTILITIES: GAS, TELEPHONE, TV, ETC. ECR END CURB RETURN PCC POINT OF COMPOUND CURVE W WIDTH CATCH BASIN NO. 1 Q,00= 0.71 cfs Qo= 0.42 cfs -CATCH BASIN N0, 2 Q1oo= 0.22 cfs Q10= 0.13 cfs CATCH BASIN NO. 5 Q100= 9.09 cfs Q1o= 5.41 cfs IASIN NO. 4 5.97 cfs 3.55 cfs BASIN NO. 3 13.01 cfs 7.74 cfs INDEX BASIN�;.NO. 9 00=5.46' cfs 0=3.25" [CH cfs CH BASIN NO. 8 CATCH BASIN 14.82 cfs 0= Q1o= 8.81 cfs INDEX LEGEND 7 DIRECTION OF FLOW - - EMERGENCY OVERFLOW ■ CATCH BASIN ING & ZONING COMPLIANCE CHERI FLORES DATE PLANNING MANAGER CITY OF LA QUINTA GENERAL NOTES 1. ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE LATEST EDITION OF THE STANDARD PIANS OF THE CITY OF LA QUINTA AND THE LATEST EDITION OF THE STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION. 2. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO APPLY TO THE CITY OF LA QUINTA PUBLIC WORKS DEPARTMENT FOR THE NECESSARY PERMITS AND TO BE RESPONSIBLE FOR SATISFACTORY COMPLIANCE FOR ALL CURRENT ENVIRONMENTAL REGULATIONS DURING THE LIFE OF CONSTRUCTION ACTIVITIES FOR THE PROJECT. ADDITIONAL STUDIES AND/OR PERMITS MAY BE REQUIRED. 3. THE CONTRACTOR SHALL OBTAIN ALL PERMITS AS REQUIRED BY THE CITY OF LA QUINTA OR OTHER GOVERNING AGENCIES. 4. THE CONTRACTOR SHALL NOTIFY THE CITY OF LA QUINTA PUBLIC WORKS DEPARTMENT FORT( -EIGHT (48) HOURS PRIOR TO ANY GRADING, BRUSHING, OR CLEARING AND EACH PHASE OF CONSTRUCTION AT (760) 777-7048. 5. THE LOCATIONS OF EXISTING UNDERGROUND UTILITIES ARE SHOWN IN AN APPROXIMATE WAY ONLY. THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF ALL EXISTING UTILITIES BEFORE COMMENCING WORK. THE CONTRACTOR AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES WHICH MIGHT BE OCCASIONED BY HIS FAILURE TO EXACTLY LOCATE AND PRESERVE ANY AND ALL UTILITIES. 6. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE REMOVAL, REPLACEMENT, OR RELOCATION OF ALL REGULATORY, WARNING AND GUIDE SIGNS. 7. THE CITY ENGINEER SHALL APPROVE THE DESIGN AND INSTALLATION OF ALL STREET NAME SIGNS, TRAFFIC CONTROL SIGNS, TRAFFIC STRIPING, LEGENDS, AND PAVEMENT MARKERS TYPE AND LOCATION. 8. THE CONTRACTOR SHALL NOT DISTURB EXISTING SURVEYMON 0 0 MONUMENTS U R BENCH MARKS NOTED ON THE PLANS OR FOUND DURING CONSTRUCTION. REMOVAL AND REPLACEMENT SHALL BE DONE BY A REGISTERED CIVIL ENGINEER WITH AN R.C.E. NUMBER BELOW 33,966, OR A LICENSED LAND SURVEYOR ONLY, 9. CONSTRUCTION OPERATIONS AND MAINTENANCE OF EQUIPMENT WITHIN ONE HALF MILE OF HUMAN OCCUPANCY SHALL BE PERFORMED ONLY DURING THE TIME PERIODS AS FOLLOWS: OCTOBER 1ST TO APRIL 30TH: MONDAY THROUGH FRIDAY 7:OOAM TO 5:30PM MAY 1ST TO SEPTEMBER 30TH: MONDAY THROUGH FRIDAY 6:OOAM TO 7:OOPM _ WORK SHALL BE PROHIBITED ANY TIME ON SUNDAYS OR ON FEDERAL HOLIDAYS. NO REDUCTION OF THE TRAVELED WAY WIDTH SHALL BE PERMITTED ON ANY CITY STREET ON WEEKENDS OR HOLIDAYS, OR WHEN ACTIVE WORK IS NOT BEING DONE, UNLESS PRIOR AUTHORIZATION TO DO SO IS GRANTED BY THE CITY ENGINEER. NO LANE CLOSURES SHALL BE PERMITTED OR ALLOWED ON ANY CITY STREET BEFORE 8:30AM AND AFTER 3:30PM UNLESS AUTHORIZATION TO DO SO IS GRANTED BY THE CITY ENGINEER. 10. ALL TRAVELED WAYS MUST BE CLEANED DAILY OF AL DIRT MUD AND I DEPOSITED ON GRADING L DEERS D THEM AS A RESULT OF THE G D OPERATION. CLEANING IS TO BE DONE TO THE SATISFACTION OF THE CITY ENGINEER. 11. ALL CONSTRUCTION AREAS SHALL BE PROPERLY POSTED AND LIGHTED IN CONFORMANCE WITH THE CALIFORNIA STATE MANUAL OF WARNING SIGNS, LIGHTS, AND DEVICES FOR USE IN THE PERFORMANCE OF WORK UPON HIGHWAYS IN ORDER TO ELIMINATE ANY HAZARDS. 12. CONSTRUCTION PROJECTS DISTURBING MORE THAN 1 -ACRE MUST OBTAIN A NATIONAL POLLUTANT DISCHARGE ELIMINATION NATIONYTM NPD SSE ( ES) PERMIT. OWNERS/DEVELOPERS ARE REQUITED TO: A) FILE A NOTICE OF INTENT (N01) WITH THE STATE WATER RESOURCES CONTROL BOARD (SWRCB); B) PREPARE A STORM WATER POLLUTION PREVENTION PLAN (SWPPP); AND C) HAVE A MONITORING PLAN FOR THE SITE. THE NPDES IS A NATIONAL PROGRAM TO CONTROL NON -POINT SOURCE POLLUTANTS CARRIED BY STORM WATER. THE PROGRAM IS IMPLEMENTED AND ENFORCED BY THE SWRCB. GRADING NOTES 1. GRADING SHALL BE IN ACCORDANCE WITH THE ENGINEERED GRADING REQUIREMENTS OF THE UNIFORM BUILDING CODE, LATEST EDITION, ON, AND SOILS REPORT NO. 2589 -CR. DATED: JANUARY 21, 2021. PREPARED BY: GEOTEK INC.. TELEPHONE NO. 951-710-1160. 2. THE SOILS ENGINEER AND THE ENGINEERING GEOLOGIST SHALL EXERCISE SUFFICIENT SUPERVISORY CONTROL DURING GRADING TO INSURE COMPLIANCE WITH THE PLANS SPECIFICATIONS AND CODE WITHIN THEIR PURVIEW. 3. THE DESIGN CIVIL ENGINEER SH ISE SUFFICIENT ALL EXR IEC FCIENT CONTROL DURING GRADING AND CONSTRUCTION TO ENSURE COMPLIANCE WITH THE PLANS SPECIFICATIONS AND CODE WITHIN HIS PURVIEW. 4. DURING ROUGH GRADING OPERATIONS AND PRIOR TO CONSTRUCTION OF PERMANENT DRAINAGE STRUCTURES, TEMPORARY DRAINAGE CONTROL SHALL BE PROVIDED TO PREVENT PONDING WATER AND DAMAGE TO ADJACENT PROPERTY. 5. AFTER CLEARING, EXISTING GROUND SHALL BE SCARIFIED TO A MINIMUM OF 6" ON THE ENTIRE SITE OR AS RECOMMENDED BY THE SOILS REPORT. 6. THE MAXIMUM CUT AND FILL SLOPES SHALL BE 2:1. 7. PADS SHALL BE COMPACTED TO A MINIMUM OF 90%ELA IVE DENSITY PER SPECIFICATIONS R T R A.S.T.M. SPEC F IONS AND THE ABOVE MENTIONED SOILS REPORT. 8. MINIMUM BUILDING PAD DRAINAGE SHALL BE 2%. DRAINAGE SHALL BE A MINIMUM OF 0.3' DEEP AND BE CONSTRUCTED A MINIMUM OF 2' FROM THE TOP OF CUT OR FILL SLOPES. THE MINIMUM SLOPE OF SWALES SHALL BE 0.50%. 9. ALL FILLS SHALL BE COMPACTED TO A MINIMUM OF NINETY (90) PERCENT OF MAXIMUM DENSITY AS DETERMINED BY THE UNIFORM BUILDING CODE SECTION 7010 OR EQUIVALENT AS APPROVED BY THE CITY ENGINEER. FIELD DENSITY SHALL BE DETERMINED IN ACCORDANCE THE UNIFORM BUILDING CODE SECTION 7002, OR EQUIVALENT, AS DETERMINED BY THE CITY ENGINEER. 10. ALL STREET SECTIONS ARE TENTATIVE. THE MINIMUM SECTION IS 3" A.C. OVER 4.5" CRUSHED A.B. ADDITIONAL SOIL TESTS SHALL BE REQUIRED AFTER ROUGH GRADING TO DETERMINE EXACT SECTION REQUIREMENTS. THE CITY ENGINEER. SHALL APPROVE THE FINAL STREET SECTION. 11. THE CITY ENGINEER WILL REVIEW FOR APPROVAL THE FINAL STREET SECTIONS AFTER SUBMITTAL OF 'R" VALUE TESTS FOR ROADWAY SUBBASE. 12. LOCATIONS OF FIELD DENSITY TESTS SHALL BE DETERMINED BY THE SOILS ENGINEER OR APPROVED TEST AGENCY AND SHALL BE SUFFICIENTIN BOTH HORIZONTAL AND VERTICAL PLACEMENT TO PROVIDE REPRESENTATIVE TESTING OF ALL FILL PLACED. TESTING IN AREAS OF A CRITICAL NATURE OF SPECIAL EMPHASIS SHALL BE IN ADDITION TO THE NORMAL REPRESENTATIVE SAMPLINGS. 13. THE FINAL COMPACTION REPORT AND APPROVAL FROM THE SOILS ENGINEER SHALL CONTAIN THE TYPE OF FIELD TESTING PERFORMED. EACH TEST SHALL BE IDENTIFIED WITH THE METHOD OF OBTAINING THE IN-PLACE DENSITY, WHETHER .SAND CONE OR DRIVE RING, AND SHALL BE SO NOTED FOR EACH TEST. SUFFICIENT MAXIMUM DENSITY DETERMINATION SHALL BE PER T VERIFY T Y F TH FORMED 0 HE ACCURACY 0 E MAXIMUM DENSITY CURVES USED BY THE FIELD TECHNICIAN. 14. ALL UNDERGROUND FACILITIES, WITH LATERALS, SHALL BE IN PLACE AND INSPECTED PRIOR TO PAVING, INCLUDING BUT NOT LIMITED TO, THE FOLLOWING: SEWER, WATER, ELECTRIC, COMMUNICATIONS, GAS, AND DRAINAGE. 15. THE FINAL UTILITY LINE BACKFILL REPORT FROM THE PROJECT SOILS ENGINEER SHALL INCLUDE AN APPROVAL STATEMENT THAT THE BACKFILL IS SUITABLE FOR THE INTENDED USE. 16. BLOCK WALLS ARE NOT PART OF THE GRADING PERMIT. PLEASE SUBMIT THESE FOR SEPARATE BUILDING PERMIT(S). 17. THE CONTRACTOR IS RESPONSIBLE TO PREVENT SILT CONTAMINATION OF STORMWATER INFILTRATION FACILITIES DURING CONSTRUCTION OF SUBSEQUENT IMPROVEMENTS BY THE CONTRACTOR. IMMEDIATELY PRIOR TO FINAL ACCEPTANCE OF STORM DRAINAGE RETENTION/INFILTRATION FACILITIES, THE CONTRACTOR SHALL CONDUCT, IN THE PRESENCE OF THE CITY INSPECTOR, A PERFORMANCE TEST DESIGNED TO CLEARLY DEMONSTRATE THE FUNCTIONAL ADEQUACY OF THE FACILITIES. 18. THE CONTRACTOR SHALL PROVIDE WIND EROSION AND DUST CONTROL MEASURES AS REQUIRED BY THE FUGITIVE DUST CONTROL PLAN APPROVED FOR THIS PROJECT. ALL MEASURES SHALL BE TO THE SATISFACTION OF THE CITY. NUISANCE WATER DISCLAIMER NOTE, EXCESSIVE OVER -IRRIGATION OF LANDSCAPING, IF IT PERSISTS, CAN POTENTIALLY RESULT IN DAMAGE TO OR FAILURE OF DRYWELLS, RETENTION BASINS, HARDSCAPE OR PAVEMENT. THE DESIGN SHOWN HEREIN IS INTENDED TO COMPLY WITH AGENCY REQUIREMENTS, INDUSTRY STANDARDS AND LOCAL CONDITIONS BASED UPON INFORMATION AVAILABLE TO THE DESIGN ENGINEER, ASSUMING RESPONSIBLE MAINTENANCE ON THE PART OF THE PROPERTY OWNER OR ASSOCIATION. IT IS RECOMMENDED THAT THE DEVELOPER INCORPORATE INTO FUTURE CC&R'S ENFORCEABLE RESTRICTIONS AGAINST OVER -WATERING BY FUTURE RESIDENTS. NOTE TO CONTRACTOR, EXISTING SURVEY MONUMENTS THE CONTRACTOR IS TO USE HIS OR HER BEST EFFORTS TO MAINTAIN THE INTEGRITY AND LOCATION OF THE EXISTING SURVEY MONUMENTS SWOWN TNN THESE PIANS. IF FOR ANY REASON THE CONTRACTOR INADVERTENTLY DAMAGES OR NEEDS TO REMOVE AN EXISTING SURVEY MONUMENT DURING CONSTRUCTION, IT IS THE CONTRACTOR'S RESPONSIBILITY TO SECURE THE SERVICES OF A LICENSED SURVEYOR PRIOR TO REMOVAL AND OR REPLACEMENT OF THE EXISTING MONUMENT. NOTE TO CONTRACTOR, ACCESSIBILITY DETAILS THE ACCESSIBILITY DETAILS SHOWN ON THESE PLANS, INCLUDING SLOPE AND DISTANCE, WERE CALCULATED USING THE APPROVED DESIGN GRADES ON THESE PLANS. ACTUAL FIELD CONDITIONS DURING AND AFTER CONSTRUCTION CAN AND MAY CHANGE THE DESIGN PARAMETERS FOR THE ACCESSIBILITY DETAILS. THE CONTRACTOR SHALL CONFIRM ALL DESIGN SLOPES AND GRADES AND OBTAIN CITY INSPECTION AND APPROVAL PRIOR TO LAYOUT AND CONSTRUCTION OF ANY ACCESSIBILITY FACILITIES ON SITE. PRIOR TO FINAL CONSTRUCTION THE CONTRACTOR SHALL NOTIFY MSA CONSULTING, INC. IMMEDIATELY REGARDING ANY ANTICIPATED CHANGES TO THE ACCESSIBILITY DETAILS. IT SHALL ALSO BE NOTED THAT THE ACCESSIBILITY STANDARDS CALLED OUT ON THESE PLANS WERE BASED ON THE LATEST CBC AND CITY CODES AND SPECIFICATIONS AT THE TIME OF PLAN PREPARATION. THEREFORE, IT SHOULD BE NOTED THAT THESE PLANS ARE SUBJECT TO CHANGE BASED ON THE CURRENT ACCESSIBILITY CODES AND SPECIFICATIONS AT TIME OF CONSTRUCTION. THE CONTRACTOR SHALL OBTAIN CITY INSPECTION AND APPROVAL PRIOR TO LAYOUT AND CONSTRUCTION OF ANY ACCESSIBILITY FACILITIES BASED ON CURRENT CODES AND SPECIFICATIONS AT TIME OF CONSTRUCTION. FEMA FLOOD ZONE, FEMA HAS NOT COMPLETED A STUDY TO DETERMINE THE FLOOD HAZARD FOR THE PROJECT AREA; THEREFORE, A FLOOD MAP HAS NOT BEEN PUBLISHED AT THIS TIME. THE FEMA FLOOD MAP SERVICE CENTER LOCATION MAP INDICATES THE SITE LIES WITHIN ZONE X (SHADED) INDICATING AREAS OF 0.2% ANNUAL CHANCE FLOOD; AREAS OF 1% ANNUAL CHANCE FLOOD WITH AVERAGE DEPTHS OF LESS THAN 1 FOOT OR WITH DRAINAGE AREAS LESS THAN 1 SQUARE MILE; AND AREAS PROTECTED BY LEVEES FROM 1% ANNUAL CHANCE FLOOD. INSURANCE PURCHASE IS NOT REQUIRED IN THESE ZONES. ELEV ELEVATION PE PAD ELEVATION WTR WATER EP EDGE OF PAVEMENT PIG POINT OF INTERSECTION/GUTTER FL ESMT EASEMENT POC POINT ON CURVE THIS PLAN HAS BEEN REVIEWED BY GEOTEK, INC. AND APPEARS TO BE SOURCE OF TOPOGRAPHY, BASIS OF BEARING, IN GENERAL CONFORMITY WITH THE RECOMMENDATIONS IN OUR REPORT INLAND AERIAL SURVEYS, INC. THE BASIS OF BEARINGS FOR THIS SURVEY QPoFESSI DATED JANUARY 21. 2021 OUR FILE NUMBER 2589 -CR. D i g � S a f e I y ! WE MAKE NO REPRESENTATION AS TO THE ACCURACY OF DIMENSIONS, 7117 ARLINGTON AVENUE, SUITE A IS THE CENTERLINE OF AVENUE 58, AS �Q� ott N• wl Fy MEASUREMENTS, CALCULATIONS, OR ANY PORTION OF THE DESIGN. RIVERSIDE, CA 92503 SHOWN ON TRACT MAP NO. 31249, ON ,l p q y, DIG ALERT DIAL TOLL FREE (951) 687-4252 FILE IN BOOK 411, AT PAGES 23 5 P FLOWN: SEPTEMBER 1, 2016 THROUGH 27, OF MAPS, O.R. w C80375 m 1-800-227-2600 REVISED VERTICAL DATUM: JANUARY 21, 2021 TAKEN AS: N 89'41'34" E 0c Exp. 3-31-23 AT LEAST TWO DAYS SITE ADDRESS BEFORE YOU DIG \ 7V SOUTH SIDE OF 58TH AVENUE APPROXIMATELY �d� 6/24/2021 1/2 MILE WET OF MADISON STREET. s'9TF / V \ FOQ�P © Copyright 2021 �", Op SAL\ MSA Consulting, Inc. EDWARD H. LAMONT DATE UNDERGROUND SERVICE ALERT OF SOUTHERN CALIFORNIA All Rights Reserved G.E.G. NO. 1892 BENCH BM •655 ELEV. 473.60 PREPARED UNDER THE DIRECT SUPERVISION OF R.C.E. NO. DESIGNBY APPROVED BY CITY OF LA QUINTA CITY OF LA QUINTA;:: CALIFORNIA SHEET No. REVISIONS APPROVED DATE MSA CONSU LTI NCCSAWED , I i °b MARK 80375 1 LOCATION 3.5" BRASS DISK IN CURB, FLUSH, NTE FEET WEST OF THE E.C.R. OF THE -�� DRAWN BY TRACT MAP NO 31249 - CANTERA AT CORAL MOUNTAIN > PLANNING > CIVIL ENGINEERING > LAND SURVEYING NORTHWEST CURB RETURN AT THE INTERSECTION OF STONE CREEK WAY AND � of AVENUE 5a. SCOTT A. WIE RG DATE SAW G Z OF 34200 Bob Hope Drive, Rancho Mirage, CA 92270 RETENTION BASIN REHABILITATION. AND TRAIL PLAN ELEV = -26.431 R.C.E. 80375 / CHECKED BY BR'AN MCKINNEY, . . DATE 760.320.9811 msaconsultinginc.com (DATUM NAVD88 + 500.00= 473.60) EXPIRES 03/31/23 1s' z�i-zr PUBLIC WORKS DIRECTOR/CIN ENGINEER COVER SHEET PRS R.C.E. 49418 EXPIRES 9/30/22 BEING A PORTION OF THE NE 1/4 OF THE NW 1/4 OF SECTION 28, T. 6 S., R. 7 E., S-B.M. SHEETS J 5I �It x 474.9 491 I I 5U x 4693 . I 51 / l x 467.9 x 473.3 11 I O0 .4 �\ \ f / /�/ \ 48 II III I I 52 65 t'9 x /� 4 ti \ I \ I II EXISTING 30" HDPE STORM DRAIN INSE 1 ON-SITE STREET AND� l/I /, I (� I I I I I II STORM DRAIN PLAN. /j�� I 06148 47 ' li I I 4668 II PLAN CT N0. ACE x . Jh PROTECT -IN-PLACE r II 471.1 \ x 470.3 TIN 470.50 3:1 SLOPEI F 468.50 - - _ �_ _ 68. / \ TW 470.50 9�- - = =� x 464.9 % 46 / I TW 471.17 \ '1�i�� {(�/ 2 -,'i '' / �i I .�\ \ TF 468.50 \ F 468.50 �.'- � ='� �-�� - - - T - _ = 9_.���� ( - �I 3:1 SLOPE 53 I x470. / . �-�LOT47117rr�rr - --�_- _j-4.5 7j ///�I\ Y - � -- � / EXISTING STORM DRAIN / / EXISTING DRYWELL \ -h- �_s- _-1 OUTLET PROTECT -IN-PLACE \ //" 4 �' / PROTECT -IN-PLACE \ \ 1 \ \ , \ ,_� �.-- -� \ \ t --- EXISTING DRYWELL x\�__ PROTECT -IN-PLACE 1 / - - x 470.1 � , 1 - x 465.6 \ ETENTION BASIN A I 54 430 / \\\ \ \\ [J /l/�'/ �i \ LOT ►�5�� x 46 i II \ OTTOM 457.00 / I 55 \ { / ✓ \ i!I I / / �� ! I WSE 46Q.22 56/ I 59 31 / I I I' x 466.5 x 468.9 I 57 60 84 �\ / K/! // \\\ 58��-� /�%/ x471.5 ( I ��y _ -- - - x 474.4 L / / / �/ / s I \ !// \ \\ I \ �� c- - x 0 3 C s x 47 'k 1 � % _� s nx / / /, //OT r \ / I _ - g - L. 'S L //j�� / JCONSDG TR ILS TO BE r LOT x 4-788 // GRADERUCTED AT x. -x -'���` _ �= I \�I 67 68 65.7 I 1 \ x 68.6 65 x 466.3 x 46�, 8 J x 466.8 I I x4/1,4J / S ��RA x46 010 \ t \ _-i-� \ x 468. II I I r _ _- \\ I I\ 1 1 11 11II / \�'\ 3 F x 4 4'6'\\ 82I I I I 111I1'�I jII '�/-I 47 x 476.4 LOT "Srr 1.5 63 6 x 470.5 1 - �'�� J \ �1 I �I x 465.4 1 69 x 460.2 / 3:1 SLOPE I IIT' ' 1 r \ \\\ I /�� /' -�� 1 \ 1 459.9 I 1 J \kl I 1 \ \\ / �-' -- \ �\ k-476 - - - -- IT // /� / / 1 _X'.4 l �� 1111 � � \ / / / � \ � LOT S 81 o x 477.5 , ' 1\I yY� it 11\ \ \ \ '�(=1- y / ��� _ = - - - - - - - / ~ � -_ r�� tOTEC IN-PLADRYWELL / _ z PPkkOTECT-IN-PLACE \ I _-� -- 7LG-_-- - ��-� -__ _ - - - - _ � \--_=_-�� - - _J/ 70 465.4 I R TENTION BASIN,C REEENTION��B�ASIN i u I LOT "S" 1 LOT S I 1 I I I / _ i � OTTOM 466.00 I x 473.2 I I I I BOTTOM 460.0gI I 3:1 SLOPE \ \\\\ WSE 467.09 I 77 � 76 1 �I x 469.8 I WSE 461.59 -I\� f q I I I 1 11 x 467.6 71 \\ �- 1 IS 74 I `x a1.1 x 477.3 I 79 x7$/s.3 � I I x 4f6.4 �C\ ' 60 11 I x 4/4.3 x 471.4 73 72 EXISTING 30' HDPE STORM \ 1 \ I I QPOFAE 1 I II I x 468.6 I DRAIN LINE PER PHASE 2 CONSTRUCTION NOTES S8�p�q` \ > x 476.4 J{� 1 1 1 I /� I I ON-SITE STREET AND 1 I PSTORM LAN SET NIO. O6N32 / II I PROTECT -IN-PLACE / I- OBS. \ AA -VENUE 58 x �. - Asph. - x 470.3 PROPOSeD STORM D Aft. -j I EXISTING STORM -BRAIN OUTLET FF- ITE - I I OUTLET PROTECT -IN-PLACE STREET _ - - EXISTING STORM DRAIN OUTLET PROTECT -IN-PLACE EXISTING DRYWELL � PROTECT -IN-PLACE 4�1 x 474. II 0 %74..7 � I III �1 A_(T o ; �\ 3-�- �� 4 I� x 474.9 1 III 3f \ 45 tIL/// \ I / / x 471.7 \ \ EXISTING 18" HDPE STORM DRAIN LINE PER PHASE 1 ON-SITE STREET AND \STORM DRAIN PLAN. PLAN SET NO. 06148 PROTECT -IN-PLACE 46 x 471.5 \x 46\ \ \ \\ RETENTION BASIN D LOTS "O" AND "P" BOTTOM 466.00 WSE 468.04 ED STORM DRAIN OUTLET AVENUE 58 OUTLET SEE OFF-SITE STREET PLAN FOR DETAILS. / IRR _ I $ EXISTING DRYWELL PROTECT -IN-PLACE I I / I / SD x 4EV11.5 EXI t�18" HDP STORM DRAIN LINE PER�PHAS "i O 116STREET AND ORM D P 1 PLAN S NO. 06148 EXISTING STORM DRAIN tj/` I PROTEIN--PLAQE OUTLET PROTECT-IN-PLAC \ sa 1 I I I \ x 464.4 X465. EXISTING STORM DRAIN -"'OUTLET PROTECT -PLACE /�(✓ x /4j//�/ x 4635 37RETENTION BASIN E LOTS "Q" AND "R" BOTTOM 457.00 WSE 459.62 9 QPOFAE CONSTRUCTION NOTES S8�p�q` QUO e90 may, INSTALL DG PATH. SEE LANDSCAPE ARCHITECT'S PLAN FOR DETAILS O .`� 00 5 O Dig Alert AND MATERIALS. CO O2 CONSTRUCT 2' HIGH RETAINING WALL PER SEPARATE PERMIT. w C80375 m DIAL TOLL FREE �R� LS Cr Exp. 3-31-23 1-800-227-2600 D' 40• 80' 120' 16o' AT LEAST TWO DAYSqrF of Cpl\�oQ� MP CoC pyrinsught ?021 BEFORE YOU DIG SCALE 1"=40' All Rights Reserved N0. REVISIONS APPROVED DATE BM •655 ELEV. 473.80 PREPARED UNDER THE DIRECT SUPERVISION OF R.C.E. NO. DESIGNED BY APPROVED BY CITY OF LA QUINTA CITY OF LA QUINTA, CALIFORNIA SHEET MSA CONSULTING, INC. MARCH 80375 AW > PLANNING > CIVIL ENGINEERING > LAND SURVEYING LOCATION 3.5" BRASS DISK IN CURB, FLUSH, 270 FEET WEST OF THE E.C.R. OF THE NORTHWEST CURB RETURN AT THE INTERSECTION OF STONE CREEK WAY AND DRAWN BY L �` TRACT MAP NO 31249 - CANTERA AT CORAL MOUNTAIN 2 of 34200 Bob Hope Drive, Rancho Mirage, CA 92270 AVENUE 58. SCOTT A. WI ORG DATE sew RETENTION BASIN REHABILITATION AND TRAIL PLAN 760.320.9811 msaconsultinginc.com ELEV = -26.431 (DATUM NAVD88 + 500.00= 473.60) R.C.E. 80375 EXPIRES 03/31/23 �1" /-ZI CHECKED BY BR AN MCKINNEY, P.E. DATE PUBLIC WORKS DIRECTOR/CITY ENGINEER REHABILITATION PLAN 2 PRS R.C.E. 49418 EXPIRES 9/30/22 BEING A PORTION OF THE NE 1/4 OF THE NW 1/4 OF SECTION 28, T. 6 S., R. 7 E., S.B.M. SHEETS 9