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13035VICINITY MAP N.T.S. 55 CONSTRUCTION NOTES QUANTITY ESTIMATE (FOR PERMIT PURPOSES ONLY) CONSTRUCT 6' PRECISION BLOCK GARDEN WALL WITH STUCCO FINISH. O1 SEE LANDSCAPE ARCHITECT'S PLANS FOR DETAILS. SEE ELEVATIONS ON GRADING PLAN FOR SPECIFIC HEIGHTS. TO BE BUILT UNDER SEPARATE PERMIT. 507 LF EARTHWORK ESTIMATE RAW CUT 13,500 C.Y. RAW FILL 15,550 C.Y. RAW EARTHWORK ESTIMATE NO FACTORS THE ABOVE LISTED EARTHWORK QUANTITIES ARE RAW FIGURES WITH NO SHRINKAGE OR SUBSIDENCE FACTORS INCLUDED. THE EARTHWORK QUANTITIES SHOWN ON THIS PLAN ARE APPROXIMATE ESTIMATES SHOWN FOR AGENCY FEE PURPOSES ONLY, AND ARE BASE UPON THE PLAN ELEVATIONS SHOWN AND ON THE GROUND ELEVATIONS WHICH EXISTED AT THE TIME OF THE TOPOGRAPHIC SURVEY. THE LOCATION AND ELEVATION OF THE EXISTING GROUND CONTOURS WERE OBTAINED FROM A FIELD SURVEY AND ARE APPROXIMATE ONLY. NO REPRESENTATION IS MADE OR WARRANTY IMPLIED THAT THESE QUANTITIES ARE PRECISE OR THAT THE EARTHWORK WILL BALANCE. MSA CONSULTING, INC. MAKES NO REPRESENTATION CONCERNING THE ESTIMATED QUANTITIES ON THESE PLANS, EXCEPT THAT ALL AVENUE 53 SUCH FIGURES, INCLUDING ALL EARTHWORK QUANTITIES, ARE PRELIMINARY ESTIMATES AND FOR PERMIT PURPOSES ONLY. IT SHALL 1 BE THE CONTRACTOR'S RESPONSIBILITY TO PREPARE HIS OWN QUANTITY ESTIMATE FOR CONSTRUCTION OR COST PURPOSES. MSA PROJECT NOTES w CATCH THE TIME OF CONSTRUCTION. Q,o= 7.455 CfS UTILITIES - CENTERLINE w AVENUE 54 WATER COACHELLA VALLEY WATER DITRICT (760) 398-2651 E rn w T ELECTRIC IMPERIAL IRRIGATIN DISTRICT (800) 303-7756 w GAS THE GAS COMPANY (800) 427-2200 SITE Z o c~n AVENUE 12. z P/L (NPDES) PERMIT. OWNERS/DEVELOPERS ARE REQUITED TO: A) FILE A NOTICE Of INTENT (N01) WITH THE STATE WATER RESOURCES o CONTROL BOARD (SWRCB); B) PREPARE A STORM WATER POLLUTION PREVENTION PLAN (SWPPP); AND C) HAVE A MONITORING PLAN FOR NOTE TO CONTRACTOR- EXISTING UTILITIES t THE LOCATIONS OF UNDERGROUND UTILITIES SHOWN ON THE PLANS WERE OBTAINED FROM A REVIEW OF AVAILABLE RECORD DATA. PROGRAM IS IMPLEMENTED AND ENFORCED BY THE SWRCB. Y GRADING NOTES AIRPORT BLVD a AN APPROXIMATE WAY ONLY. THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATIONS OF ALL EXISTING UTILITIES BEFORE AND SOILS REPORT, NO. 544-4402 04-08-571. DATED: AUGUST 17. 2004, AND UPDATE LETTERS NOS. 544-4402 05-11-1133, COMMENCING WORK. DATED: DECEMBER 2. 2005, AND 544-12050 12-03-080, DATED: MARCH 29. 2012, PREPARED BY: SLADDEN ENGINEERING, TELEPHONE VICINITY MAP N.T.S. 55 CONSTRUCTION NOTES QUANTITY ESTIMATE (FOR PERMIT PURPOSES ONLY) CONSTRUCT 6' PRECISION BLOCK GARDEN WALL WITH STUCCO FINISH. O1 SEE LANDSCAPE ARCHITECT'S PLANS FOR DETAILS. SEE ELEVATIONS ON GRADING PLAN FOR SPECIFIC HEIGHTS. TO BE BUILT UNDER SEPARATE PERMIT. 507 LF EARTHWORK ESTIMATE RAW CUT 13,500 C.Y. RAW FILL 15,550 C.Y. RAW EARTHWORK ESTIMATE NO FACTORS THE ABOVE LISTED EARTHWORK QUANTITIES ARE RAW FIGURES WITH NO SHRINKAGE OR SUBSIDENCE FACTORS INCLUDED. THE EARTHWORK QUANTITIES SHOWN ON THIS PLAN ARE APPROXIMATE ESTIMATES SHOWN FOR AGENCY FEE PURPOSES ONLY, AND ARE BASE UPON THE PLAN ELEVATIONS SHOWN AND ON THE GROUND ELEVATIONS WHICH EXISTED AT THE TIME OF THE TOPOGRAPHIC SURVEY. THE LOCATION AND ELEVATION OF THE EXISTING GROUND CONTOURS WERE OBTAINED FROM A FIELD SURVEY AND ARE APPROXIMATE ONLY. NO REPRESENTATION IS MADE OR WARRANTY IMPLIED THAT THESE QUANTITIES ARE PRECISE OR THAT THE EARTHWORK WILL BALANCE. MSA CONSULTING, INC. MAKES NO REPRESENTATION CONCERNING THE ESTIMATED QUANTITIES ON THESE PLANS, EXCEPT THAT ALL R w EXISTING RIGHT OF WAY SUCH FIGURES, INCLUDING ALL EARTHWORK QUANTITIES, ARE PRELIMINARY ESTIMATES AND FOR PERMIT PURPOSES ONLY. IT SHALL 1 BE THE CONTRACTOR'S RESPONSIBILITY TO PREPARE HIS OWN QUANTITY ESTIMATE FOR CONSTRUCTION OR COST PURPOSES. MSA PROJECT NOTES CONSULTING, INC. SHALL NOT BE RESPONSIBLE FOR ANY DEVIATIONS BETWEEN ESTIMATED QUANTITIES AND ACTUAL QUANTITIES AT CATCH THE TIME OF CONSTRUCTION. Q,o= 7.455 CfS UTILITIES - CENTERLINE IRRIGATION COACHELLA VALLEY WATER DITRICT (760) 398-2651 7.093 dsS 4.033 cfs WATER COACHELLA VALLEY WATER DITRICT (760) 398-2651 E SEWER COACHELLA VALLEY WATER DITRICT (760) 398-2651 T ELECTRIC IMPERIAL IRRIGATIN DISTRICT (800) 303-7756 ALL CONSTRUCTION AREAS SHALL BE PROPERLY POSTED AND LIGHTED IN CONFORMANCE WITH THE CALIFORNIA STATE MANUAL OF GAS THE GAS COMPANY (800) 427-2200 WARNING SIGNS, LIGHTS, AND DEVICES FOR USE IN THE PERFORMANCE OF WORK UPON HIGHWAYS IN ORDER TO ELIMINATE ANY TELEPHONE VERIZON (760) 483-5000 HAZARDS. 12. CABLE T.V. TIME WARNER CABLE (760) 340-1312 EXT. 281 P/L (NPDES) PERMIT. OWNERS/DEVELOPERS ARE REQUITED TO: A) FILE A NOTICE Of INTENT (N01) WITH THE STATE WATER RESOURCES USA UNDERGROUND SERVICE ALERT (800) 227-2600 CONTROL BOARD (SWRCB); B) PREPARE A STORM WATER POLLUTION PREVENTION PLAN (SWPPP); AND C) HAVE A MONITORING PLAN FOR NOTE TO CONTRACTOR- EXISTING UTILITIES t THE LOCATIONS OF UNDERGROUND UTILITIES SHOWN ON THE PLANS WERE OBTAINED FROM A REVIEW OF AVAILABLE RECORD DATA. PROGRAM IS IMPLEMENTED AND ENFORCED BY THE SWRCB. WHILE DUE CARE WAS TAKEN IN PREPARATION OF THIS INFORMATION, MSA CONSULTING, INC. CANNOT AND DOES NOT GUARANTEE GRADING NOTES THE ACCURACY NOR THE COMPLETENESS OF THE INFORMATION. THE LOCATIONS OF EXISTING UNDERGROUND UTILITIES ARE SHOWN IN GRADING SHALL BE IN ACCORDANCE WITH THE ENGINEERED GRADING REQUIREMENTS OF THE UNIFORM BUILDING CODE, LATEST EDITION, AN APPROXIMATE WAY ONLY. THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATIONS OF ALL EXISTING UTILITIES BEFORE AND SOILS REPORT, NO. 544-4402 04-08-571. DATED: AUGUST 17. 2004, AND UPDATE LETTERS NOS. 544-4402 05-11-1133, COMMENCING WORK. DATED: DECEMBER 2. 2005, AND 544-12050 12-03-080, DATED: MARCH 29. 2012, PREPARED BY: SLADDEN ENGINEERING, TELEPHONE THE CONTRACTOR AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES, WHICH RESULT FROM HIS FAILURE TO LOCATE N0. 760-772-3893, AND UPDATE LETTER, PROJECT N0. 10343.002, DATED: SEPTEMBER ¢`203, PREPARED BY LEIGHTON AND EXACTLY AND PRESERVE ANY AND ALL UNDERGROUND UTILITIES. THE CONTRACTOR SHALL POTHOLE PROPOSED CROSSINGS OF ASSOCIATES, INC., PHONE NO. 760-776-4182. EXISTING UTILITIES PRIOR TO CONSTRUCTION AND SHALL VERIFY THEIR HORIZONTAL AND VERTICAL LOCATIONS. IN THE EVENT, DURING CATCH BASIN NO. 5 CONSTRUCTION, THAT UNKNOWN UTILITIES OR UNKNOWN STRUCTURES ARE FOUND AT UNEXPECTED ELEVATIONS OR LOCATIONS, MSA Qloo= 13.784 ds CONSULTING, INC. IS TO BE NOTIFIED OF SUCH CONDITION AT ONCE. MSA CONSULTING, INC. WILL MAKE REQUIRED DESIGN CHANGES Qto= 7.733 ds AND THE CONTRACTOR AGREES TO COMPLETE ALL WORK, INCLUDING REPAIRS REQUIRED, IN AN EXPEDITIOUS MANNER. THE THE PLANS, SPECIFICATIONS, AND CODE WITHIN HIS PURVIEW. CONTRACTOR FURTHER AGREES TO PURSUE DILIGENTLY THE COMPLETION OF SAID WORK. CATCH BASIN N0. 4 ANY DISCREPANCY BETWEEN THE PLANS AND FIELD SHALL BE BROUGHT TO THE ATTENTION OF MSA CONSULTING, INC. THE Q100= 13.784 ds CONTRACTOR SHALL NOTIFY MSA CONSULTING, INC. PRIOR TO POTHOLING. IF NECESSARY, MSA CONSULTING, INC. SHALL REVISE THE Qto= 7.733 ds PLANS. THE CONTRACTOR SHALL BEGIN CONSTRUCTION AFTER REVISIONS ARE APPROVED. SOILS REPORT. NOTE TO CONTRACTOR- SITE CONDITIONS THE MAXIMUM CUT AND FILL SLOPES SHALL BE 2:1. CONTRACTOR AGREES TO ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR THE JOB SITE CONDITION DURING THE COURSE OF PADS SHALL BE COMPACTED TO A MINIMUM OF 90% RELATIVE DENSITY PER A.S.T.M. SPECIFICATIONS AND THE ABOVE MENTIONED SOILS CONSTRUCTION OF THIS PROJECT, INCLUDING THE SAFETY OF ALL PERSONS AND PROPERTY. THIS REQUIREMENT APPLIES REPORT. CONTINUOUSLY AND IS NOT LIMITED TO NORMAL WORKING HOURS. MINIMUM BUILDING PAD DRAINAGE SHALL BE 2%. DRAINAGE SHALL BE A MINIMUM OF 0.3' DEEP AND BE CONSTRUCTED A MINIMUM OF THE CONTRACTOR ALSO AGREES TO DEFEND, INDEMNIFY, AND HOLD THE OWNER AND THE MSA CONSULTING, INC., HARMLESS FROM CATCH BASIN N0. 2 ANY AND ALL LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF WORK ON THIS PROJECT, EXCEPTING FOR Qtoo= 11.884 ds LIABILITY ARISING FROM THE SOLE NEGLIGENCE OF THE OWNER OR MSA CONSULTING, INC. Qto= 7.146 Cls NOTE' CATCH BASIN NO. 3 CATCH BASIN NO. 33 10. Qtoo= 1.116 ds THE OVER EXCAVATION LIMITS SHOWN ON THESE PLANS ARE APPROXIMATE ONLY. THE FINAL OVER EXCAVATION LIMITS AND c' REQUIREMENTS SHALL BE DICTATED PRIOR TO COMMENCING ROUGH GRADING OPERATIONS. Qto= 0.678 ds � GEOTECHNICAL SUMMARY CATCH BASIN N0. -y CATCH BASIN NO. 32 Qtoo= 3.378 cfs THE POTENTIAL FOR LIQUEFACTION IS NEGLIGIBLE. BUILDING AREAS SHOULD BE OVER EXCAVATED TO A DEPTH OF AT LEAST 3 FEET Qto= 2.138 ds BELOW EXISTING GRADE OR 2 FEET BELOW THE BOTTOM OF THE FOOTINGS, WHICHEVER IS DEEPER. PLEASE REFER TO SOILS SUFFICIENT IN BOTH HORIZONTAL AND VERTICAL PLACEMENT TO PROVIDE REPRESENTATIVE TESTING OF ALL FILL PLACED. TESTING IN REPORT FOR FINAL OVER EXCAVATION REQUIREMENTS. AREAS OF A CRITICAL NATURE OF SPECIAL EMPHASIS SHALL BE IN ADDITION TO THE NORMAL REPRESENTATIVE SAMPLINGS. 13. CATCH BASIN N0. 38 NOTE Qtoo= 2.062 cfs THE GEOTECHNICAL ENGINEER OF RECORD SHALL PROVIDE A CERTIFIED LETTER THAT ENGINEERED FILL HAS BEEN PLACED Qto= 0.974 cfs ACCORDING TO APPROVED PLANS. OF THE MAXIMUM DENSITY CURVES USED BY THE FIELD TECHNICIAN. FEMA FLOOD ZONE, ALL UNDERGROUND FACILITIES, WITH LATERALS, SHALL BE IN PLACE AND INSPECTED PRIOR TO PAVING, INCLUDING BUT NOT LIMITED TO, ATCH BASIN NO. 22 CATCH BASIN NO. 1 THE PROJECT IS COVERED BY FIRM PANEL NUMBER 06065C2263G. THE PANEL IS NOT PRINTED, INDICATING NO SPECIAL FLOOD Q,00= 5.293 ds HAZARD AREAS. Qio= 3.211 cfs NOTES TO CONTRACTOR BLOCK WALLS ARE NOT PART OF THE GRADING PERMIT. PLEASE SUBMIT THESE FOR SEPARATE BUILDING PERMIT(S). 1. CUT SLOPES EQUAL TO OR GREATER THAN 5' IN VERTICAL HEIGHT SHALL BE PLANTED WITH AN APPROVED GROUND COVER TO THE CONTRACTOR IS RESPONSIBLE TO PREVENT SILT CONTAMINATION OF STORMWATER INFILTRATION FACILITIES DURING CONSTRUCTION OF MINIMIZE EROSION. SUBSEQUENT IMPROVEMENTS BY THE CONTRACTOR. IMMEDIATELY PRIOR TO FINAL ACCEPTANCE OF STORM DRAINAGE 2. FILL SLOPES EQUAL TO OR GREATER THAN 3' IN VERTICAL HEIGHT SHALL BE PLANTED WITH AN APPROVED GROUND COVER TO RETENTION/INFILTRATION FACILITIES, THE CONTRACTOR SHALL CONDUCT, IN THE PRESENCE OF THE CITY INSPECTOR, A PERFORMANCE MINIMIZE EROSION TEST DESIGNED TO CLEARLY DEMONSTRATE THE FUNCTIONAL ADEQUACY OF THE FACILITIES. IN THE CITY OF LA QUINTA, COUNTY OF RIVERSIDE ,STATE OF CALIFORNIA TRACT MAP NO. 32879 GRIFFIN RANCH ROUGH GRADING PLAN LOTS 21�g 82�131 AND 143�144 OF THE NORTH HALF OF SECTION 15, TOWNSHIP 6 SOUTH, RANGE 7 EAST, S.B.M. CATCH BASIN NO. 14 Qtoo= 7.307 cfs Q,o= 4.395 cfs Qioo= 7.093 cfs LEGEND, r' ^zz -f- PREPARED FORT LENNAR COMMUNITIES, INC. AAA \IA\ITr/11Tl1 r%r%l%/r AI IITr ^A^ BASIS OF BEARING, _ _ _ THE BASIS OF BEARING FOR THIS SURVEY IS THE EASTERLY LINE OF THE SOUTHEAST 1/4 OF SECTION 15, TOWNSHIP 6 SOUTH, PROPOSED EASEMENT 0' 300' 600' RANGE 7 EAST, S.B.M., AS ESTABLISHED PER CORS STATIONS WIDC AND COTD TAKEN AS: N 02'03'38" W (NAD 83 CA ZONE 6 PROPOSED BOUNDARY DATUM). PROPOSED PROPERTY LINE CONTRACTOR NOTE, STORM DRAIN MAINTENANCE DURING CONSTRUCTION PROPOSED WEDGE CURB/CURB AND GUTTER SCALE 1"=300' AND LONG TERM O CONSTRUCT 6' PRECISION BLOCK GARDEN WALL WITH STUCCO FINISH. O2 CONSTRUCT 8' WELL SITE GARDEN WALL. ALL INSTALLED STORM DRAIN INLETS, CATCH BASINS, JUNCTION STRUCTURES AND PIPELINES MUST BE PROTECTED FROM DEBRIS DAYLIGHT LINE DURING CONSTRUCTION AND PRIOR TO COMPLETION AND GROW -IN PERIOD FOR LANDSCAPING. ONCE THE PROJECT IS COMPLETED AND ALL SOIL SURROUNDING THE INLETS/CATCH BASINS IS STABILIZED, MAINTENANCE MUST BE PERFORMED ON A REGULAR BASIS. -- SD- EXISTING STORM DRAIN IF REGULAR MAINTENANCE/CLEANING IS NOT PERFORMED, THE SYSTEM MAY FAIL RESULTING IN DAMAGE TO THE PROJECT. --- W- EXISTING WATER MAIN SITE ADDRESS SOUTH SIDE OF AVENUE 54 BETWEEN MADISON STREET AND MONROE STREET. DigiSafely DIG ALERT DIAL TOLL FREE 1-800-227-2600 13 7 AT LEAST TWO DAYS BEFORE YOU DIG UNDERGROUND SERVICE ALERT OF SOUTHERN CALIFORNIA -- - S EXISTING SEWER MAIN U EXISTING UTILITIES: GAS, TELEPHONE, TV, ETC. 11 EXISTING SPOT ELEVATIONS 900' 1200' INDEX OF SHEETS R w EXISTING RIGHT OF WAY DESCRIPTION 1 Q,00= 9.902 cfs PROJECT NOTES -ESMT EXISTING EASEMENT CATCH BASIN NO. 41 Q,o= 7.455 CfS 1. ALL CONCRETE WORK SHALL CONFORM TO CITY OF LA QUINTA STANDARD DRAWING NO. 200 AND THE GEOTECHNICAL REPORT, INCLUDING ALL ADDENDUMS. - CENTERLINE Qioo= Q,o= 7.093 dsS 4.033 cfs H E E T I N D E X ALL CONSTRUCTION AREAS SHALL BE PROPERLY POSTED AND LIGHTED IN CONFORMANCE WITH THE CALIFORNIA STATE MANUAL OF - - PROPOSED RIGHT OF WAY WARNING SIGNS, LIGHTS, AND DEVICES FOR USE IN THE PERFORMANCE OF WORK UPON HIGHWAYS IN ORDER TO ELIMINATE ANY VERT HAZARDS. 12. CONSTRUCTION PROJECTS DISTURBING MORE THAN 1 -ACRE MUST OBTAIN A NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM P/L (NPDES) PERMIT. OWNERS/DEVELOPERS ARE REQUITED TO: A) FILE A NOTICE Of INTENT (N01) WITH THE STATE WATER RESOURCES BASIS OF BEARING, _ _ _ THE BASIS OF BEARING FOR THIS SURVEY IS THE EASTERLY LINE OF THE SOUTHEAST 1/4 OF SECTION 15, TOWNSHIP 6 SOUTH, PROPOSED EASEMENT 0' 300' 600' RANGE 7 EAST, S.B.M., AS ESTABLISHED PER CORS STATIONS WIDC AND COTD TAKEN AS: N 02'03'38" W (NAD 83 CA ZONE 6 PROPOSED BOUNDARY DATUM). PROPOSED PROPERTY LINE CONTRACTOR NOTE, STORM DRAIN MAINTENANCE DURING CONSTRUCTION PROPOSED WEDGE CURB/CURB AND GUTTER SCALE 1"=300' AND LONG TERM O CONSTRUCT 6' PRECISION BLOCK GARDEN WALL WITH STUCCO FINISH. O2 CONSTRUCT 8' WELL SITE GARDEN WALL. ALL INSTALLED STORM DRAIN INLETS, CATCH BASINS, JUNCTION STRUCTURES AND PIPELINES MUST BE PROTECTED FROM DEBRIS DAYLIGHT LINE DURING CONSTRUCTION AND PRIOR TO COMPLETION AND GROW -IN PERIOD FOR LANDSCAPING. ONCE THE PROJECT IS COMPLETED AND ALL SOIL SURROUNDING THE INLETS/CATCH BASINS IS STABILIZED, MAINTENANCE MUST BE PERFORMED ON A REGULAR BASIS. -- SD- EXISTING STORM DRAIN IF REGULAR MAINTENANCE/CLEANING IS NOT PERFORMED, THE SYSTEM MAY FAIL RESULTING IN DAMAGE TO THE PROJECT. --- W- EXISTING WATER MAIN SITE ADDRESS SOUTH SIDE OF AVENUE 54 BETWEEN MADISON STREET AND MONROE STREET. DigiSafely DIG ALERT DIAL TOLL FREE 1-800-227-2600 13 7 AT LEAST TWO DAYS BEFORE YOU DIG UNDERGROUND SERVICE ALERT OF SOUTHERN CALIFORNIA -- - S EXISTING SEWER MAIN U EXISTING UTILITIES: GAS, TELEPHONE, TV, ETC. 11 EXISTING SPOT ELEVATIONS 900' 1200' INDEX OF SHEETS SHEET DESCRIPTION 1 TITLE SHEET 2-5 ROUGH GRADING PLANS 6 DETAILS SECTIONS SHEET © Copyright 2013 MSA Consulting, Inc. All Rights Reserved NOTE, ALL ELEVATIONS ARE MEAN SEA LEVEL & ZONING COMPLIANCE DIRECTOR JQWY OF LA QUINTA GENERAL NOTES 1. ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE LATEST EDITION OF THE STANDARD PLANS 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/DR 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 FORTY-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 SURVEY MONUMENTS OR 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 NOTE' 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 THIS PLAN IMPACTS PLAN SET NO. 05111. ONLY DURING THE TIME PERIODS AS FOLLOWS: y V CATCH BASIN NO. 28 Qtoo= 15.872 cfs Qto= 7.582 cfs //QPOFESS/ONq�\ yQ�vP� p. DE Cq l09 FyC� � 9 Z w � C43880 m m / v aP OF CA��FOI rATru RACIN un AR "LOT 'AV' �u W S�o- 464.5 OCTOBER 1ST TO APRIL 30TH: MONDAY THROUGH FRIDAY 7:OOAM TO 5:30PM -_ EXISTING CONTOURS PROPOSED CONTOURS ■ I• N ■ GRADING LIMIT LINE �••�••.••.••.... LIMIT OF GRADING © Copyright 2013 MSA Consulting, Inc. All Rights Reserved NOTE, ALL ELEVATIONS ARE MEAN SEA LEVEL & ZONING COMPLIANCE DIRECTOR JQWY OF LA QUINTA GENERAL NOTES 1. ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE LATEST EDITION OF THE STANDARD PLANS 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/DR 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 FORTY-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 SURVEY MONUMENTS OR 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 NOTE' 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 THIS PLAN IMPACTS PLAN SET NO. 05111. ONLY DURING THE TIME PERIODS AS FOLLOWS: y V CATCH BASIN NO. 28 Qtoo= 15.872 cfs Qto= 7.582 cfs //QPOFESS/ONq�\ yQ�vP� p. DE Cq l09 FyC� � 9 Z w � C43880 m m / v aP OF CA��FOI rATru RACIN un AR "LOT 'AV' �u W S�o- 464.5 INDEX OCTOBER 1ST TO APRIL 30TH: MONDAY THROUGH FRIDAY 7:OOAM TO 5:30PM MIN. 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. TW NO LANE CLOSURES SHALL BE PERMITTED OR ALLOWED ON ANY CITY STREET BEFORE 8:30AM AND AFTER 3:30PM UNLESS EA. AUTHORIZATION TO DO SO IS GRANTED BY THE CITY ENGINEER. ------- 10. ALL TRAVELED WAYS MUST BE CLEANED DAILY OF ALL DIRT, MUD AND DEBRIS DEPOSITED ON THEM AS A RESULT OF THE GRADING TYP. 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 N.T.S. WARNING SIGNS, LIGHTS, AND DEVICES FOR USE IN THE PERFORMANCE OF WORK UPON HIGHWAYS IN ORDER TO ELIMINATE ANY VERT HAZARDS. 12. CONSTRUCTION PROJECTS DISTURBING MORE THAN 1 -ACRE MUST OBTAIN A NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM P/L (NPDES) PERMIT. OWNERS/DEVELOPERS ARE REQUITED TO: A) FILE A NOTICE Of INTENT (N01) WITH THE STATE WATER RESOURCES W CONTROL BOARD (SWRCB); B) PREPARE A STORM WATER POLLUTION PREVENTION PLAN (SWPPP); AND C) HAVE A MONITORING PLAN FOR ELEV THE SITE. THE NPDES IS A NATIONAL PROGRAM TO CONTROL NON -POINT SOURCE POLLUTANTS CARRIED BY STORM WATER. THE PCC 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, PE AND SOILS REPORT, NO. 544-4402 04-08-571. DATED: AUGUST 17. 2004, AND UPDATE LETTERS NOS. 544-4402 05-11-1133, DATED: DECEMBER 2. 2005, AND 544-12050 12-03-080, DATED: MARCH 29. 2012, PREPARED BY: SLADDEN ENGINEERING, TELEPHONE N0. 760-772-3893, AND UPDATE LETTER, PROJECT N0. 10343.002, DATED: SEPTEMBER ¢`203, PREPARED BY LEIGHTON AND ASSOCIATES, INC., PHONE NO. 760-776-4182. 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 SHALL EXERCISE SUFFICIENT CONTROL DURING GRADING AND CONSTRUCTION TO ENSURE COMPLIANCE WITH :ATCH BASIN NO. 35 THE PLANS, SPECIFICATIONS, AND CODE WITHIN HIS PURVIEW. Qtoo= 6.397 cfs 4. DURING ROUGH GRADING OPERATIONS AND PRIOR TO CONSTRUCTION OF PERMANENT DRAINAGE STRUCTURES, TEMPORARY DRAINAGE Qto= 4.919 CPS 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% RELATIVE DENSITY PER A.S.T.M. SPECIFICATIONS 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 ATCH BASIN NO. 34 2' FROM THE TOP OF CUT OR FILL SLOPES. THE MINIMUM SLOPE OF SWALES SHALL BE 0.50%. Qtoo= 6.397 CfS 9. ALL FILLS SHALL BE COMPACTED TO A MINIMUM OF NINETY (90) PERCENT OF MAXIMUM DENSITY AS DETERMINED BY THE UNIFORM Qto= 4.919 cfs BUILDING CODE SECTION 7010 OR EQUIVALENT AS APPROVED BY THE CITY ENGINEER. FIELD DENSITY SHALL BE DETERMINED IN ACCORDANCE WITH THE UNIFORM BUILDING CODE SECTION 7002, OR EQUIVALENT, AS DETERMINED BY THE CITY ENGINEER. CATCH BASIN NO. 33 10. ALL STREET SECTIONS ARE TENTATIVE. THE MINIMUM SECTION IS 3" A.C. OVER 4.5" CRUSHED A.B. ADDITIONAL SOIL TEST(S) SHALL BE Qtoo= 23.205 cfs REQUIRED AFTER ROUGH GRADING TO DETERMINE EXACT SECTION REQUIREMENTS. THE CITY ENGINEER SHALL APPROVE THE FINAL to= 11.749 CfS STREET SECTION. "R" 11. THE CITY ENGINEER WILL REVIEW FOR APPROVAL THE FINAL STREET SECTIONS AFTER SUBMITTAL OF VALUE TESTS FOR ROADWAY CATCH BASIN NO. 32 SUBBASE. Qtoo= 23.204 cfs12. LOCATIONS OF FIELD DENSITY TESTS SHALL BE DETERMINED BY THE SOILS ENGINEER OR APPROVED TEST AGENCY AND SHALL BE Qto= 11.748 CfS SUFFICIENT IN 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 ATCH BASIN NO. 20 SHALL BE SO NOTED FOR EACH TEST. SUFFICIENT MAXIMUM DENSITY DETERMINATION SHALL BE PERFORMED TO VERIFY THE ACCURACY Qt = 15.716 CfS Ito= OF THE MAXIMUM DENSITY CURVES USED BY THE FIELD TECHNICIAN. 7.994 ds 14. ALL UNDERGROUND FACILITIES, WITH LATERALS, SHALL BE IN PLACE AND INSPECTED PRIOR TO PAVING, INCLUDING BUT NOT LIMITED TO, ATCH BASIN NO. 22 THE FOLLOWING: SEWER, WATER, ELECTRIC, COMMUNICATIONS, GAS, AND DRAINAGE. Qtoo- 15.716 ds 15. THE FINAL UTILITY LINE BACKFILL REPORT FROM THE PROJECT SOILS ENGINEER SHALL INCLUDE AN APPROVAL STATEMENT THAT THE Qto 7.994 cfs 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). x 17. THE CONTRACTOR IS RESPONSIBLE TO PREVENT SILT CONTAMINATION OF STORMWATER INFILTRATION FACILITIES DURING CONSTRUCTION OF CATC BASIN N0. 24 SUBSEQUENT IMPROVEMENTS BY THE CONTRACTOR. IMMEDIATELY PRIOR TO FINAL ACCEPTANCE OF STORM DRAINAGE Qt 6.134 CfS RETENTION/INFILTRATION FACILITIES, THE CONTRACTOR SHALL CONDUCT, IN THE PRESENCE OF THE CITY INSPECTOR, A PERFORMANCE - 3.562 ds TEST DESIGNED TO CLEARLY DEMONSTRATE THE FUNCTIONAL ADEQUACY OF THE FACILITIES. BASIN NO. 23 18. THE CONTRACTOR SHALL PROVIDE WIND EROSION AND DUST CONTROL MEASURES AS REQUIRED BY THE FUGITIVE DUST CONTROL PLAN 6.134 cfs APPROVED FOR THIS PROJECT. ALL MEASURES SHALL BE TO THE SATISFACTION OF THE CITY. 3.561 cfs NUISANCE WATER DISCLAIMER NOTE, BASIN NO. 25 EXCESSIVE OVER -IRRIGATION OF LANDSCAPING, IF IT PERSISTS, CAN POTENTIALLY RESULT IN DAMAGE TO OR FAILURE OF DRYWELLS, = 5.747 cfs RETENTION BASINS, HARDSCAPE OR PAVEMENT. THE DESIGN SHOWN HEREIN IS INTENDED TO COMPLY WITH AGENCY REQUIREMENTS, 3.334 ds 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. ABBREVIATIONS EAST ESMT. EASEMENT PIG POINT OF INTERSECTION/GUTTER FL -- N NORTH EX. EXISTING POC POINT ON CURVE JE S SOUTH FF FINISHED FLOOR PRC POINT OF REVERSE CURVE W) WEST FG FINISHED GRADE PROP. PROPOSED AC ASPHALT CONCRETE FL FLOWLINE PILE PUBLIC UTILITY EASEMENT CATCH BASIN NO. 26 BC BEGINNING OF CURVE FS FINISHED SURFACE PVMT PAVEMENT Qtoo= 5.747 CfS BCR BEGIN CURB RETURN GB GRADE BREAK R/W RIGHT OF WAY Qto= 3.333 CfS BOC BACK OF CURB HC HANDICAP RED. REDUCER C# CURVE HP HIGH POINT S.F. SQUARE FEET C/L CENTERLINE HZ HORIZONTAL S/W SIDEWALK C&G CURB AND GUTTER INV INVERT TB TOP OF BERM C.B. CATCH BASIN LINE L# TC TOP OF CURB C.Y. CUBIC YARDS L.F. LINEAL FEET TF TOP OF FOOTING D DEPTH LP LOW POINT TOG TOP OF GRATE DB DRAIN BOX MAX MAXIMUM TP TOP OF PAVEMENT INDEX LEGEND MIN. DIRECTION OF FLOW - - EMERGENCY OVERFLOW • INLET ■ CATCH BASIN DWG. DRAWING MIN. MINIMUM TRW TOP OF RETAINING WALL DWY DRIVEWAY MOC MID -POINT OF CURVE TW TOP OF WALL EA. EACH NG NATURAL GROUND TYP. TYPICAL EC END OF CURVE N.T.S. NOT TO SCALE VERT VERTICAL ECR END CURB RETURN P/L PROPERTY LINE W WIDTH ELEV ELEVATION PCC POINT OF COMPOUND CURVE EP EDGE OF PAVEMENT PE PAD ELEVATION THIS PLAN HAS BEEN REVIEWED BY LEIGHTON AND ASSOCIATES, INC. CITY of LA QUINTA AND APPEARS TO BE IN GENERAL CONFORMITY WITH THE Plan Set No. RECOMMENDATIONS IN SLADDEN ENGINEERING'S REPORT DATED AUGUST n 17, 2004, FILE NUMBER 544-4402 04-08-571 AND UPDATE LETTERS NOS. 544-4402 05-11-1133. DATED- DECEMBER 2. 2005. AND 544-12050 12-03-080. DATED- MARCH 29, 2012, AND OUR UPDATE LETTER DATED SEPTEMBER 6. 2013, OUR PROJECT NUMBER 10343.002. WE MAKE NO REPRESENTATION AS TO THE ACCURACY OF DIMENSIONS, MEASUREMENTS, CALCULATIONS, OR ANY PORTION OF THE DESIGN. 5-1 `o,k/ Z. SAI(o fit 1.1 .•1-3 SOIL ENGINEER ' DATE =1 GE Z4Y( NO REVISIONS APPROVED DATE IV34200 SA CONSULTING, INC. ING ■ CIVIL ENGINEERING ■ LAND SURVEYING BENCH INDIO BM •99 MARK ELEV. 499.71 PREPARED UNDER THE DIRECT SUPERVISION OF SIGNATURE R.G.E. NO, 43880 SAW DESIGNED BYLR.C.E. OVED 'BY CITY OF LA QUINTA - �� R. J[NAS N, P.E. DATEROUGH PUBLC45843 CI EXPIRES 12/L31/14 2/31 /14 CITY OF LA QUINTA CALIFORNIA r SHEET 1 of SHEETS LOCATION R.R SPIKE IM P/P AT NORTHWEST COR. AVE. 50 AND MONROE STREET. (NVGD 29, 500.00' ADDED TO MAINTAIN POSITIVE ELEVATIONS). DRAWN BY SAW TRACT MAP NO. 32879 -GRIFFIN RANCH GRADING PLANGVVVaPHONE PORTIONS OF THE NORTH HALF O COVER 5SHEET TOWNSHIP 6 SOUTH, RANGE 7 EAST, S.B.M. OB HOPE DRIVE ■RANCHO MIRAGE ■ CA 92270 (760) 320-9811 ■FAX (760) 323-7893 JULIAN A. DE LA TORRE DATE „���� CHECKED BYHY BSK