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HomeMy WebLinkAbout202273-GradnAve&KathrynWay-Grading-20241108PRELIMINARY GRADING PLANFORROME HILL COMMERCIAL PARK18240 GRAND AVENUE, LAKE ELSINORE, CA 925301.ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE CITY OF LAKE ELSINORE MUNICIPAL CODE, CHAPTER 15.72 AND APPLICABLESTANDARDS AND SPECIFICATIONS AND THE LATEST EDITION OF THE UNIFORM BUILDING CODE (U.B.C.), CHAPTER 33.2.A PERMIT SHALL BE OBTAINED FROM THE ENGINEERING DEPARTMENT, CITY OF LAKE ELSINORE, PRIOR TO ANY OPERATIONS.3.THE DEVELOPER AND/OR THE CONTRACTOR SHALL NOTIFY ALL UTILITY COMPANIES AND U.S.A. ALERT (1-800-422-4133) FORTY-EIGHT (48)HOURS PRIOR TO GRADING.4.THE CONTRACTOR SHALL NOTIFY THE CITY ENGINEERING DEPARTMENT AT LEAST TWENTY-FOUR (24) HOURS IN ADVANCE OF BEGINNINGGRADING OPERATIONS.5.DUST SHALL BE CONTROLLED BY WATERING OR OTHER METHODS APPROVED BY THE CITY ENGINEER.6.CUT SLOPES SHALL BE NO STEEPER THAN 2 HORIZONTAL TO 1 VERTICAL, UNLESS OTHERWISE APPROVED, AND SHALL BE SHOWN ON THEPLAN.7.FILL SLOPES SHALL BE NO STEEPER THAN 2 HORIZONTAL TO 1 VERTICAL, UNLESS OTHERWISE APPROVED, SHALL BE SHOWN ON PLAN, ANDSHALL NOT HAVE LESS THAN 90% RELATIVE COMPACTION OUT TO THE FINISHED SURFACE.8.FILLS SHALL BE COMPACTED THROUGHOUT TO 90% DENSITY AS DETERMINED BY THE MODIFIED THREE (3) LAYER A.S.T.M. D-1557-70 TESTMETHOD.9.FILL AREAS SHALL BE CLEANED OF ALL VEGETATION AND DEBRIS, SCARIFIED, AND INSPECTED BY THE GRADING INSPECTOR AND APPROVEDSOILS TESTING AGENCY PRIOR TO THE PLACING OF FILL.10.ALL FILL MATERIAL SHALL BE CLEAN EARTH. NO FILL SHALL BE PLACED UNTIL PREPARATION OF GROUND IS APPROVED BY THE SOILSENGINEER.11.FINISH GRADE SHALL BE SLOPED AWAY FROM ALL EXTERIOR WALLS AT NOT LESS THAN ½” PER FOOT FOR A MINIMUM OF THREE (3) FEET, THEN1% (MINIMUM) TO FLOW LINE OF EARTH SWALE.12.MINIMUM BUILDING PAD AND DRAINAGE SWALE SLOPE SHALL BE 1% IF CUT OR FILL SLOPE IS LESS THAN TEN FEET (10’), AND 2% IF CUT OR FILLIS GREATER THAN TEN FEET (10’). DRAINAGE SWALES SHALL BE A MINIMUM OF 0.5’ DEEP AND CONSTRUCTED A MINIMUM OF TWO FEET (2’)FROM THE TOP OF CUT OR FILL SLOPES.13.PROVIDE 5’ WIDE BY 1’ HIGH BERM OR EQUIVALENT ALONG THE TOP OF ALL FILL SLOPES OVER 5’ HIGH14.PROVIDE A BROW DITCH, DESIGNED TO HANDLE ONE HUNDRED (100) YEAR STORM FLOWS ALONG THE TOP OF CUT SLOPES.15.NO OBSTRUCTION OF FLOOD PLAINS OR NATURAL WATER COURSES SHALL BE PERMITTED.16.A SOILS ENGINEER SHALL BE RETAINED BY THE DEVELOPER, TO SUPERVISE GRADING AND PROVIDE A FINAL SOILS REPORT WHICH INCLUDESFOUNDATION REQUIREMENTS (SUBDIVISIONS) AND EXPANSIVE CHARACTERISTICS OF THE SOIL.17.GRADING CERTIFICATION BY THE DEVELOPER’S CIVIL ENGINEER AND A FINAL COMPACTION REPORT BY A SOILS ENGINEER SHALL BESUBMITTED TO THE BUILDING AND ENGINEERING DEPARTMENTS PRIOR TO ISSUANCE OF BUILDING PERMITS.18.THE SOILS ENGINEERING INVESTIGATION DATED ____________ PREPARED BY (ENGINEER CONSULTANT) DATED _________ AND THEENGINEERING GEOLOGIC INVESTIGATION DATED __________ PREPARED BY (GEOLOGIC CONSULTANT), SHALL BE CONSIDERED A PART OF THISGRADING PLAN AND SHALL BE IN COMPLIANCE.19.A REGISTERED CIVIL ENGINEER OR LICENSED LAND SURVEYOR SHALL SUBMIT CERTIFICATION OF BUILDING PAD ELEVATION. WHERE SPECIFICELEVATIONS ARE REQUIRED, THE ELEVATION (WITH RESPECT TO MEAN SEA SHALL BE GIVEN. IF AN ELEVATION WITH RESPECT TO ADJACENTGROUND SURFACE IS REQUIRED, THE ACTUAL DISTANCE ABOVE THE ADJACENT GROUND SHALL BE GIVEN.20.ALL PROPERTY CORNERS SHALL BE CLEARLY DELINEATED IN THE FIELD PRIOR TO COMMENCEMENT OF ANY CONSTRUCTION/GRADING.21.STABILITY CALCULATIONS WITH A SAFETY FACTOR OF AT LEAST 1.5 SHALL BE SUBMITTED BY A SOILS ENGINEER TO THE BUILDING ANDENGINEERING DEPARTMENTS FOR CUT AND FILL SLOPES OVER THIRTY FEET (30’) IN VERTICAL HEIGHT.22.A FINAL COMPACTION REPORT WILL BE REQUIRED FOR ALL FILLS GREATER THAN ONE (1) FOOT.23.IF STEEP SLOPING TERRAIN OCCURS UPON WHICH FILL IS TO BE PLACED, IT MUST BE CLEARED, KEYED AND BENCHED INTO FIRM NATURALSOIL FOR FULL SUPPORT. PREPARATION SHALL BE APPROVED BY A REGISTERED SOILS ENGINEER PRIOR TO PLACEMENT OF FILL MATERIAL.SLOPES GREATER THAN 5:1 ARE REQUIRED TO BE KEYED AND BENCHED.24.THE SOILS ENGINEER SHOULD INSPECT THE CONSTRUCTION IN THE FOLLOWING STAGES:a.UPON COMPLETION OF CLEARING AND DURING EXCAVATION AND BEFORE BACKFILL OF ALLUVIAL, COLLUVIAL AND TERRACED AREAS ANDANY SUBSTRUCTURES.b.DURING ALL ROUGH GRADING AND OPERATIONS INCLUDING PRE-COMPACTION, BENCHING ANDc.FILLING OPERATIONS.d.DURING INSTALLATION OF BUTTRESS AND CANYON SUB-DRAINS AND FILTER MATERIAL.e.WHEN ANY UNUSUAL GRADING CONDITIONS ARE ENCOUNTERED DURING CONSTRUCTION.25.EROSION CONTROL: ALL GRADED SLOPES SHALL BE PLANTED WITH ROSEA ICE PLANT OR ANOTHER APPROVED GROUND COVER, AT TWELVEINCHES (12”) ON CENTER. SLOPES OVER FIFTEEN FEET (15’) IN VERTICAL HEIGHT, IN ADDITION TO GROUND COVER, SHALL BE PLANTED WITHAPPROVED TREES, SHRUBS OR COMBINATION THEREOF. SHRUBS SHALL BE PLANTED AT TEN FEET (10’) ON CENTER; TREES AT TWENTY FEET(20’) ON CENTER; COMBINATIONS FIFTEEN FEET (15’) ON CENTER. SLOPES OVER THREE FEET (3’) IN VERTICAL HEIGHT SHALL HAVE PERMANENTIRRIGATION SYSTEMS WITH BACKFLOW PREVENTION DEVICES PER U.B.C.26.APPROVED PROTECTIVE MEASURES AND TEMPORARY DRAINAGE PROVISIONS MUST BE USED TO PROTECT ADJOINING PROPERTIES DURINGTHE GRADING PROJECT.27.APPROVED EROSION PREVENTIVE DEVICES SHALL BE PROVIDED AND MAINTAINED DURING THE RAINY SEASON AND SHALL BE IN PLACE AT THEEND OF EACH DAY’S WORK.28.ALL WORK SHALL CONFORM TO THE CITY AND STATE CONSTRUCTION SAFETY ORDERS.29.THE LOCATION AND PROTECTION OF ALL UTILITIES IS THE RESPONSIBILITY OF THE PERMITTEE.30.AN APPROVED SET OF GRADING PLANS SHALL BE ON THE JOB SITE AT ALL TIME.31.SANITARY FACILITIES SHALL BE MAINTAINED ON THE SITE FROM BEGINNING TO COMPLETION OF GRADING OPERATION.32.ALL SLOPES SHALL BE PLANTED AND IRRIGATION FACILITIES SHALL BE PROVIDED FOR ALL SLOPES IN EXCESS OF THREE (3) FEET VERTICALHEIGHT WITHIN NINETY (90) DAYS AFTER COMPLETION OF ROUGH GRADING AND SHALL BE IN ACCORDANCE WITH CITY OF LAKE ELSINOREGRADING ORDINANCE NO. 882 PRIOR TO THE APPROVAL OF FINAL INSPECTION.SHEET INDEXTITLE SHEET1SHEET INDEX PLAN2PRELIMINARY GRADING PLAN3, 4SECTIONS & DETAILS5ARCHITECTJ. CRAIG MANN ARCHITECT1931 NEWPORT BLVD., SUITE MCOSTA MESA, CA 92626EMAIL: STUDIO.JCMA@GMAIL.COMSOIL ENGINEERGECON WEST, INC.41571 CORNING PLACE, SUITE 101MURRIETA, CA 92562PHONE: 951-304-2300CIVIL ENGINEERW.H. CIVIL INC.NORTH CA: 2380 QUME DR., STE E,SAN JOSE, CA 95131SOUTH CA:548 WALDIRVINE, CA 92618PHONE:949-229-3357LOT SIZE:294,674SQ-FTDISTURBED AREA:271,532SQ-FTEXISTING IMPERVIOUS AREA:0SQ-FTPROPOSED IMPERVIOUS AREA:271,532SQ-FTNOTE:QUANTITIES SHOWN HERE ON ARE FOR PERMIT AND/OR BONDING PURPOSE ONLY.SECTION 4216 / 4217 OF THE GOVERNMENT CODEREQUIRES A DIGALERT IDENTIFICATION NUMBER BEISSUED BEFORE A "PERMIT TO EXCAVATE" WILL BEVALID. FOR YOU DIGALERT I.D. NUMBER CALLUNDERGROUND SERVICE ALERT TOLL FREE1-800-422-4133 TOW WORKING DAY BEFORE YOU DIG.VICINITY MAPNOT TO SCALEPROJECT LOCATIONGRADING NOTES1.FOR PROJECTS THAT REQUIRE COVERAGE UNDER THE GENERAL CONSTRUCTION PERMIT, THE PROPERTY OWNER IS RESPONSIBLE FORENSURING THAT A QUALIFIED SWPPP PRACTITIONER AND QUALIFIED SWPPP DEVELOPER (QSD) IMPLEMENT AND MAINTAIN THESWPPP-APPROVED, PRE-QUALIFIED BMP’S FROM THE CALIFORNIA STORM WATER QUALITY ASSOCIATION (CASQA) HANDBOOK / WEBSITE FORCONSTRUCTION TO RETAIN SEDIMENTS AND POLLUTANTS OF CONCERN FROM AREAS DISTURBED ONSITE TO THE MAXIMUM EXTENTPRACTICABLE DURING ANY PHASE OF CONSTRUCTION OPERATIONS. FOR ALL OTHER PROJECTS, THE PROPERTY OWNER IS RESPONSIBLE FORENSURING THAT BMP’S FOR CONSTRUCTION ARE IMPLEMENTED TO RETAIN SEDIMENTS AND POLLUTANTS OF CONCERN FROM AREASDISTURBED ONSITE TO THE MAXIMUM EXTENT PRACTICABLE. THE EROSION CONTROL MEASURES INCLUDE THOSE SHOWN ON THIS PLAN ASWELL AS ANY ADDITIONAL EROSION CONTROL MEASURES DICTATED BY FIELD CONDITIONS TO PREVENT EROSION AND/OR THE INTRODUCTIONOF POLLUTANTS INTO EXISTING PUBLIC STREETS AND/OR ONTO ADJACENT PROPERTIES DURING ANY PHASE OF CONSTRUCTION.NPDES/STORM WATER POLLUTION NOTESEROSION CONTROL NOTESALL EROSION CONTROL PLANS SHALL BE IN ACCORDANCE WITH CITY OF LAKE ELSINORE ORDINANCE NOS.1237, 772, 529, 1004, CONSTRUCTIONSITE BEST MANAGEMENT PRACTICES (BMP’S) AND STANDARDS OUTLINED WITHIN THE LAKE ELSINORE DESIGN MANUAL. NO GRADING PERMITSHALL BE ISSUED WITHOUT AN EROSION CONTROL PLAN APPROVED BY THE CITY ENGINEER. THE EROSION CONTROL PLAN SHALL INCLUDEDETAILS OF PROTECTIVE MEASURES, INCLUDING DESILTING BASINS OR OTHER TEMPORARY DRAINAGE OR CONTROL MEASURES, OR BOTH, ASMAY BE NECESSARY TO PROTECT THE WATER QUALITY OF RECEIVING WATER BODIES OR TO PROTECT ADJOINING PUBLIC AND PRIVATEPROPERTY FROM DAMAGE FROM EROSION, FLOODING OR THE DEPOSITION OF MUD OR DEBRIS WHICH MAY ORIGINATE FROM THE SITE ORRESULT FROM SUCH GRADING OPERATIONS.THE FOLLOWING EROSION CONTROL AND NPDES NOTES AS WORDED WITH BLANKS FILLED IN, SHALL BE PLACED ON THE PLANS:1.ALL EROSION CONTROL PLANS SHALL BE IN ACCORDANCE WITH CITY OF LAKE ELSINORE ORDINANCE NOS. 529, 772, 1237, 1004, CONSTRUCTIONSITE BEST MANAGEMENT PRACTICES (BMP’S), AND STANDARDS OUTLINED WITHIN THE LAKE ELSINORE DESIGN MANUAL2.THE DEVELOPER/CONTRACTOR IS RESPONSIBLE FOR ANY DISCHARGES BY SUBCONTRACTORS.3.IN CASE OF EMERGENCY, CALL ___________________________ (RESPONSIBLE PERSON) AT _____________________ (24-HOUR PHONE NUMBER).4.DEVICES TO REDUCE EROSION DAMAGE SHALL NOT BE PLACED MOVED OR MODIFIED WITHOUT THE APPROVAL OF THE QUALIFIED SWPPPDEVELOPER, CITY ENGINEER, OR IN AN EMERGENCY, BY THE PERSON RESPONSIBLE FOR GRADING OPERATIONS.5.AREAS THAT ARE CLEARED AND GRADED SHALL BE LIMITED TO ONLY THE PORTION OF THE SITE THAT IS NECESSARY FOR CONSTRUCTION.THE CONSTRUCTION SITE SHALL BE MANAGED TO MINIMIZE THE EXPOSURE TIME OF DISTURBED SOIL AREAS THROUGH PHASING ANDSCHEDULING OF GRADING AND THE USE OF TEMPORARY AND PERMANENT SOIL STABILIZATION.6.ONCE DISTURBED, GRADED SLOPES EXCEEDING A 3:1 RATIO AND/OR TEN (10) FEET IN HEIGHT (TEMPORARY OR PERMANENT) SHALL BESTABILIZED IF THEY WILL NOT BE WORKED WITHIN 7 DURING THE STORM SEASON, ALL SLOPES SHALL BE STABILIZED 24 HOURS PRIOR TO APREDICTED STORM EVENT. CONSTRUCTION SITES SHALL BE REVEGETATED AS EARLY AS FEASIBLE AFTER SOIL DISTURBANCE AND WITHIN7-DAYS OF COMPLETION.7.FILL SLOPES AT THE TRACT PERIMETER MUST DRAIN AWAY FROM THE TOP OF THE SLOPE AT THE CONCLUSION OF EACH WORKING DAY.8.THE CONTRACTOR SHALL BE RESPONSIBLE AND HAVE SIGNS POSTED ON THE SITE TO WARN AGAINST PUBLIC TRESPASS INTO AREAS WHEREWATER IS IMPOUNDED.9.DUST SHALL BE CONTROLLED BY WATERING OR OTHER METHODS APPROVED BY THE CITY ENGINEER.10.PLACEMENT OF DEVICES TO REDUCE EROSION DAMAGE WITHIN THE DEVELOPMENT SHALL BE SHOWN ON THE APPROVED PLAN.11.DESILTING FACILITIES AT ALL DRAINAGE INLETS FOR THE GRADED SITE SHALL BE DESIGNED FOR A TWENTY-FIVE (25) YEAR, SIX (6) HOURSTORM INTENSITY. THEY MUST BE DETAILED ON THE DESIGN AND SPECIFIC RECOMMENDATIONS SHALL BE SUBMITTED FOR THE FOLLOWING:A)DESILTING BASIN VOLUME BASED ON GRADIENT AND NATURE OF SOILS.B)THE EXTENT OF ALL GRADED AREAS AND IDENTIFICATION OF ANY TEMPORARY SOIL STABILIZATION MEASURES.C)SIZE OF DESILTING BASIN OUTLET PIPE AND OVERFLOW.D)DIKE REQUIREMENTS. SHOW MINIMUM WALL WIDTH, SLOPE OF WALLS, PERCENT COMPACTION, ETC.E)OUTLET CONDITIONS FROM THE DESILTING BASIN SHALL NOT EXCEED DOWNSTREAM LIMITATIONS, WITH THE EXCEPTION OF OVERFLOW,WHICH IS TO BE DESIGNED TO PROVIDE CAPACITY OF 1.5 TIMES THE MAXIMUM DESIGN FLOW.12.NECESSARY MATERIALS SHALL BE AVAILABLE ON-SITE AND AT CONVENIENT LOCATIONS TO FACILITATE RAPID CONSTRUCTION OF TEMPORARYDEVICES OR TO REPAIR ANY DAMAGED EROSION CONTROL MEASURES WHEN A 50% CHANCE OR GREATER OF RAIN WITHIN A 48 HOUR PERIODIS FORECAST FOR LAKE ELSINORE BY THE NATIONAL OCEANIC AND ATMOSPHERIC AGENCY (NOAA).13.BMP’S SHALL BE MAINTAINED AND INSPECTED DAILY TO MINIMIZE AND/OR PREVENT THE ENTRAINMENT OF SOIL IN RUNOFF FROM DISTURBEDSOIL AREAS ON CONSTRUCTION SITES. ALL REMOVABLE PROTECTIVE EROSION CONTROL DEVICES SHOWN SHALL BE IN PLACE AT THE END OFEACH WORKING DAY WHEN THE FOUR (4) DAY RAIN PROBABILITY FORECAST EXCEEDS FORTY PERCENT (40%).14.AFTER A RAINSTORM, ALL PROJECT GENERATED SILT AND DEBRIS SHALL BE REMOVED FROM CHECK BERMS, ONSITE PUBLIC DRAINS ANDPIPES, DRAINS AND PIPES OF ADJACENT PROPERTIES AND DESILTING BASINS AND THE BASINS PUMPED DRY. ANY GRADED SLOPE BMP’SDAMAGED DURING A RAINSTORM SHALL ALSO BE IMMEDIATELY REPAIRED. FAILURE TO PROVIDE EFFECTIVE MAINTENANCE MAY RESULT INPENALTIES.15.DISCHARGING OF CONTAMINATED SOILS VIA SURFACE EROSION IS PROHIBITED.16.CONSTRUCTION ACCESS POINTS SHALL BE STABILIZED WITH A COMBINATION OF ROCK AND SHAKER PLATES YEAR-ROUND TO PREVENTTRACK-OUT. ROUTINE STREET SWEEPING SHALL BE PERFORMED ON ALL PAVED STREETS WHERE TRACKING IS OBSERVED. VACUUMSWEEPERS SHALL BE USED WHEN STREET SWEEPING BECOMES INEFFECTIVE.2.FOR PROJECTS THAT REQUIRE COVERAGE UNDER THE GENERAL CONSTRUCTION PERMIT, THE STORM WATER POLLUTION PREVENTION PLAN(SWPPP) SHALL BE KEPT ON-SITE AND MADE AVAILABLE UPON REQUEST OF A REPRESENTATIVE OF THE REGIONAL WATER QUALITY CONTROLBOARD (RWQCB) - SANTA ANA REGION AND/OR THE CITY OF LAKE ELSINORE.3.CONSTRUCTION SITES SHALL BE MAINTAINED IN SUCH A CONDITION THAT AN ANTICIPATED STORM DOES NOT CARRY WASTES OR POLLUTANTSOFF THE SITE. DISCHARGES OF MATERIAL OTHER THAN STORM WATER (NON-STORM WATER) ARE PROHIBITED EXCEPT AS AUTHORIZED BY ANINDIVIDUAL NPDES PERMIT UNDER THE STATEWIDE GENERAL PERMIT – CONSTRUCTION ACTIVITY.4.POTENTIAL POLLUTANTS INCLUDE BUT ARE NOT LIMITED TO: SOLID OR LIQUID CHEMICAL SPILLS; WASTES FROM PAINTS, STAINS, SEALANTS,SOLVENTS, DETERGENTS, GLUES, LIME, PESTICIDES, HERBICIDES, FERTILIZERS, WOOD PRESERVATIVES, AND ASBESTOS FIBERS, PAINTFLAKES OR STUCCO FRAGMENTS; FUELS, OILS LUBRICANTS, AND HYDRAULIC, RADIATOR OR BATTERY FLUIDS; CONCRETE AND RELATEDCUTTING OR CURING RESIDUES; FLOATABLE WASTES; WASTES FROM ENGINE/EQUIPMENT STEAM CLEANING OR CHEMICAL DEGREASING;WASTES FROM STREET CLEANING; AND SUPER-CHLORINATED POTABLE WATER FROM LINE FLUSHING AND TESTING. DURING CONSTRUCTION,DISPOSAL OF SUCH MATERIALS SHOULD OCCUR IN A SPECIFIED AND CONTROLLED TEMPORARY AREA ON-SITE PHYSICALLY SEPARATED FROMPOTENTIAL STORM WATER RUNOFF, WITH ULTIMATE DISPOSAL IN ACCORDANCE WITH LOCAL, STATE AND FEDERAL REQUIREMENTS.5.RUNOFF FROM EQUIPMENT AND VEHICLE WASHING SHALL BE CONTAINED AT CONSTRUCTION SITE AND MUST NOT BE DISCHARGED TORECEIVING WATERS OR THE LOCAL STORM DRAIN SYSTEM.6.APPROPRIATE BMPS FOR CONSTRUCTION-RELATED MATERIALS, WASTES, SPILLS OR RESIDUES SHALL BE IMPLEMENTED TO ELIMINATE ORREDUCE TRANSPORT FROM THE SITE TO STREETS, DRAINAGE FACILITIES, OR ADJOINING PROPERTIES BY WIND OR RUNOFF.7.MATERIAL STORAGE AND STAGING AREAS SHALL BE ESTABLISHED. FUEL TANK, PORTABLE TOILETS, LIQUIDS, GELS AND POWDERS SHALL HAVESECONDARY CONTAINMENT AND BE STORED AWAY FROM ALL PRIVATE / PUBLIC STORM WATER CONVEYANCE SYSTEMS, SIDEWALKS,RIGHTS-OF-WAYS AND FLOW-LINES.8.ALL PORTABLE MIXERS SHALL HAVE PLASTIC LINERS UNDERNEATH WITH GRAVEL BAGS PLACES ON THE DOWN-HILL SIDE OF THE LINERS TOCONTAIN DISCHARGES.9.CONTROLLED STREET WASHING WILL ONLY BE ALLOWED PRIOR TO THE APPLICATION OF ASPHALT SEAL COATS AND ONLY WHEN ALLPERTINENT DRAINAGE INLETS ARE PROTECTED.10.ALL CONSTRUCTION CONTACTORS AND SUBCONTRACTOR PERSONNEL ARE TO BE MADE AWARE OF THE REQUIRED BMPS AND GOODHOUSEKEEPING MEASURES FOR THE PROJECT SITE AND ANY ASSOCIATED CONSTRUCTION STAGING AREAS.11.DISCHARGING CONTAMINATED GROUNDWATER PRODUCED BY DEWATERING GROUNDWATER THAT HAS INFILTRATED INTO THECONSTRUCTION SITE IS PROHIBITED. DISCHARGING NONCONTAMINATED GROUNDWATER PRODUCED BY DEWATERING ACTIVITIES MAYREQUIRE A NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) PERMIT FROM THE REGIONAL WATER QUALITY CONTROL BOARD.12.STORM WATER RUNOFF SHALL NOT BE DIRECTED OVER ANY SLOPES WITHOUT PERMANENT DOWN DRAINS INSTALLED. EROSION ANDSEDIMENT CONTROLS INCLUDING MAINTENANCE ARE REQUIRED ON ALL EXPOSED SLOPES UNTIL SUFFICIENT PERMANENT LANDSCAPING HASBEEN ESTABLISHED. 100% SLOPE PROTECTION MUST BE IN PLACE PRIOR TO THE ISSUANCE OF THE FINAL CERTIFICATE OF OCCUPANCY.13.VEGETATION CLEARING AND BRUSHING ACTIVITIES SHALL NOT BE INITIATED DURING THE WET SEASON ON ANY SITES WHICH ARE NOTADEQUATELY PROTECTED WITH DESILTING BASINS OR OTHER TEMPORARY DRAINAGE OR CONTROL MEASURES.14.STOCKPILES OF SOIL SHALL BE PROPERLY SECURED WITH BMP’S TO ELIMINATE OR REDUCE SEDIMENT TRANSPORT FROM THE SITE TOSTREETS, DRAINAGE FACILITIES OR ADJACENT PROPERTIES.15.STOCKPILES OF SOIL SHALL BE PROPERLY CONTAINED TO ELIMINATE OR REDUCE SEDIMENT TRANSPORT FROM THE SITE TO STREETS,DRAINAGE FACILITIES OR ADJACENT PROPERTIES VIA RUNOFF, VEHICLE TRACKING OR WIND. INACTIVE FOR A PERIOD OF 14 DAYS OR MORESHALL BE COVERED; ACTIVE STOCKPILES SHALL BE COVERED PRIOR TO A FORECASTED RAIN.16.FOR PROJECT REQUIRING COVERAGE UNDER THE CONSTRUCTION GENERAL PERMIT, SPECIAL ATTENTION SHALL BE GIVEN TO PREPARATIONAND INSTALLATION OF THE RAIN EVENT ACTION PLAN (REAP) AS REQUIRED BASED ON SITE RISK LEVEL OR AS MANDATED BY THE SANTA ANAREGIONAL BOARD NPDES PERMIT, GENERAL PERMIT – CONSTRUCTION ACTIVITIES.17.AT THE END OF EACH DAY OF CONSTRUCTION ACTIVITY, ALL CONSTRUCTION DEBRIS AND WASTE MATERIALS SHALL BE COLLECTED ANDPROPERLY DISPOSED OF IN COVERED TRASH OR COVERED RECYCLE BINS.18.THIS SITE HAS OBTAINED A NATIONAL POLLUTION PREVENTION ELIMINATION SYSTEM PERMIT TO REGULATE MUNICIPAL AND INDUSTRIALSTORM WATER DISCHARGES. NPDES WDID #______________ DATE WDID ISSUED: ____________19.THE UNDERSIGNED CIVIL ENGINEER, A QUALIFIED QSP AND/OR QSD WILL REVIEW PLACEMENT OF EROSION CONTROL AND INSURE THAT WORKIS IN ACCORDANCE WITH THE APPROVED PLANS._________________________________________________________________________________________________________________________(SIGNATURE) (RCE NO.) (EXP) (DATE)33.ANY CONTRACTOR PERFORMING WORK ON THIS PROJECT SHALL FAMILIARIZE HIMSELF WITH THE SITE AND BE SOLELY RESPONSIBLE FOR ANYDAMAGE TO EXISTING FACILITIES RESULTING DIRECTLY OR INDIRECTLY FROM HIS OPERATIONS, WHETHER OR NOT SUCH FACILITIES ARESHOWN ON THESE PLANS.34.THE DESIGN ENGINEER SHALL PROVIDE A MINIMUM OF ONE (1) BLUE TOP PER FINISHED PAD, PRIOR TO ROUGH GRADE APPROVAL.35.APPROXIMATE DATE OF:BEGINNING OPERATION: _____________________COMPLETION: _____________________36.NO ROCK OR OTHER IRREDUCIBLE MATERIAL WITH A MAXIMUM DIMENSION GREATER THAN THREE INCHES (3”) WILL BE PLACED IN FILLS WITHINROADBED AREAS OR THREE FEET (3’) OF FINISH GRADES, UNLESS THE LOCATION, MATERIALS, AND DISPOSAL METHODS ARE SPECIFICALLYAPPROVED BY THE SOILS ENGINEER.37.THE ENGINEER MUST SET GRADE STAKES FOR ALL DRAINAGE DEVICES AND OBTAIN INSPECTION BEFORE APPROVAL.38.GRADING PLANS WILL NOT BE APPROVED UNTIL ALL RETAINING WALLS ARE APPROVED BY THE BUILDING DEPARTMENT.39.THIS SITE HAS OBTAINED A NATIONAL POLLUTION PREVENTION ELIMINATION SYSTEM (NPDES) PERMIT TO REGULATE MUNICIPAL ANDINDUSTRIAL STORM WATER DISCHARGES. NPDES WDID #____________ DATE PERMIT ISSUED: ____________40.DRAINAGE EASEMENTS WILL BE KEPT CLEAR OF ALL OBSTRUCTIONS. NO BUILDINGS OR WALLS SHALL BE PLACED WITHIN EASEMENT LIMITS.TEMPORARY IMPROVEMENTS ARE SUBJECT TO REMOVAL AT OWNER’S EXPENSE.GRAND AVENUEKATHLYN WAYV A I L S T R E E T TURNERS T R E E T KATHLYN WAYT U R T L E D O V E D R I V EEARTHWORK QUAINTLYCUT23,308C.Y.FILL21,560C.YEXPORT1,748C.Y.IMPORT0C.Y.W.H. ENGINEERING GROUP18240 GRAND AVENUELAKE ELSINORE, CA 92530ROME HILL BUSINESS PARKEEXP. 3/31/25NO. C 83487ACIIVFETOCTSALAOR NI RIL FSILINWAECH OPD RFERE E UNAMGNENALINEISON GTSIGER11/8/2024REVISIONSAPPR.DATETHESE PLANS HAVE BEEN REVIEWED FOR COMPLIANCE WITH THEAPPROPRIATE CONDITIONS OF DEVELOPMENT AND/OR CITY AND STATE LAWSAND HAVE BEEN FOUND ACCEPTABLEREMON HABIB, RCE No. 83156CITY ENGINEERCITY OF LAKE ELSINOREDATEPREPARED BY:SCALE: PER PLANDATE:BENCH MARK:CITY OF LAKE ELSINORESHEETOFSHEETSFILE No.SEALMARK620227311/8/2024NORTH-CA: 2380 QUME DR., STE E, SAN JOSE, CA 95131SOUTH-CA: 548 WALD, IRVINE, CA 92618INFO@WHENGINEERINGGROUP.COMPHONE: 949-229-3357TITLE SHEET1 CLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIR VAN POLL EVCS CLEAN AIR VAN POLL EVCS N 36°29'54" E 1301'N 36°30'40" E 1301'N 53°29'52" W 225'℄ GRAND AVENUE N 53°31'17" W 225'SDSDSDSDSD SD SD SD BLOCK DLOT 17MB 6/296 SDAPN 371-150-004APN 371-150-006APN 371-150-007APN 371-150-002APN 371-150-0011210'320'N37°06'14"E 1359.58'N52°55'28"W 225.00'N37°06'14"E 1309.74'N52°53'00"W 225.00'APN 371-130-004APN 371-130-005APN 371-130-006APN 371-130-007APN 371-130-008APN 371-130-009APN 371-130-010APN 371-130-011APN 371-130-012APN 371-130-013APN 371-130-014APN 371-130-015APN 371-130-016APN 371-130-017APN 371-150-016APN 371-150-008APN 371-150-009GRAND AVENUECLCL40'50'APN 371-170-022APN 371-170-032APN 371-114-01355'APN 371-117-026APN 371-090-001APN 371-090-002APN 371-090-003APN 371-090-004APN 371-070-00130'30'SDYHXSGVUSMAILUSMAILUSMAILUSMAILCHAIN LINK FENCECHAIN LINK FENCECHAIN LINK FENCE60106232716.382176495.631267.6260126232285.732176764.001257.951280.31280.71285.51265.41265.21265.61265.31271.31267.51265.21265.61266.61265.51265.51265.71266.21266.31267.61268.41269.51270.51271.51272.41273.61274.61266.71266.91267.41267.81268.31268.21268.41268.81268.71269.21269.41269.41269.81270.71270.71270.81271.41272.21271.81271.81273.41273.41272.81273.31274.31274.21274.61265.61266.41265.21267.61266.51265.51267.51269.61270.51271.41271.51271.51272.51273.41273.61274.51273.51275.51275.51275.31275.51275.61277.71277.81276.71277.61280.41280.71281.31273.51271.51270.51266.71276.41269.61266.51280.51267.7SCATTERED BRUSHSCATTERED BRUSHSCATTERED BRUSHSCATTERED BRUSHSCATTERED BRUSHSCATTERED BRUSHSCATTERED BRUSHTANKGROUND NOT VISIBLEGROUND NOT VISIBLEGROUND NOT VISIBLEXXXXX X XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX X X X X XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX X X X X X XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXDYH SCHAIN LINK FENCECHAIN LINK FENCEBLOCK WALLBLOCK DPOR. LOT 19MB 6/296 SDBLOCK DPOR. LOT 19MB 6/296 SDN37°06'14"E50.00'N52°53'00"W 225.00'FD MAG & WASHER W/TAG"RIV CO. TRANS DEPT.", FLUSH1309.58'SDSDSDSDSDSDSDSDSDSDSDSDSDSDSD SDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSHEET INDEX PLANSHEET INDEX PLANSCALE 1" = 50'W.H. ENGINEERING GROUP18240 GRAND AVENUELAKE ELSINORE, CA 92530ROME HILL BUSINESS PARKEEXP. 3/31/25NO. C 83487ACIIVFETOCTSALAOR NI RIL FSILINWAECH OPD RFERE E UNAMGNENALINEISON GTSIGER11/8/2024REVISIONSAPPR.DATETHESE PLANS HAVE BEEN REVIEWED FOR COMPLIANCE WITH THEAPPROPRIATE CONDITIONS OF DEVELOPMENT AND/OR CITY AND STATE LAWSAND HAVE BEEN FOUND ACCEPTABLEREMON HABIB, RCE No. 83156CITY ENGINEERCITY OF LAKE ELSINOREDATEPREPARED BY:SCALE: PER PLANDATE:BENCH MARK:CITY OF LAKE ELSINORESHEETOFSHEETSFILE No.SEALMARK620227311/8/2024NORTH-CA: 2380 QUME DR., STE E, SAN JOSE, CA 95131SOUTH-CA: 548 WALD, IRVINE, CA 92618INFO@WHENGINEERINGGROUP.COMPHONE: 949-229-3357SCALE 1"=50'1005002550751002SHEET 3SHEET 4EARTHWORK QUAINTLYTOTAL CUT23,308C.Y.TOTAL FILL21,560C.YCUT BELOW FLOOD ELEVATION 1265.70 EL5,596C.Y.FILL BELOW FLOOD ELEVATION 1265.70 EL3,950C.Y.REQUIRED MITIGATED VOLUME5,135C.YSHEET 5 CONSTRUCTION NOTE1INSTALL 18" WIDE CURB-CUT.2INSTALL BIO-FILTRATION SWALE PER DETAIL.3INSTALL 24" X 24" SQUARE CONCRETE INLET.4INSTALL 18" DIA. REINFORCED CONCRETE PIPE.5INSTALL INFILTRATION BASIN.6INSTALL WEIR FLOW OUTLET.7CONSTRUCT 4' WIDE CONCRETE GUTTER.CLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCSN 36°29'54" E 1301'N 36°30'40" E 1301'N 53°29'52" W 225'℄ GRAND AVENUE SDSDSDSDSD2277APN 371-150-002APN 371-150-001320'N52°53'00"W 225.00'APN 371-150-016GRAND AVENUECL40'50'55'SDYHXXXXXXXXXXXXSGVUSMAILUSMAILUSMAILCHAIN LINK FENCE1265.21265.61266.61265.71266.21266.31267.61268.41269.51270.51271.51272.41273.61274.61266.71266.91267.41267.81268.31268.21268.41268.81268.71269.21269.41269.41269.81270.71270.71270.81271.41272.21271.81271.81273.41273.41272.81273.31274.31274.21274.61267.61267.51269.61270.51271.41271.51271.51272.51273.61274.51273.51275.51275.51275.31275.51275.61277.71277.81276.71277.61280.41281.31266.71276.41269.6SCATTERED BRUSHSCATTERED BRUSHXXXXXXXX X X X X XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXDYH SBLOCK WALLN37°06'14"E50.00'N52°53'00"W 225.00'FD MAG & WASHER W/TAG"RIV CO. TRANS DEPT.", FLUSH2%1%2%2%1268.65FS1274.95FS1274.95FS1274.95FS1274.95FSNEW BUILDINGFF=1275.00PAD=1274.081274.95FS1274.95FS1274.95FS1268.65FS2%2%1%2% 2% 2% 2% 2%5%2%2%1275.85 TC1275.35 FL1276.00 TC1275.50 FL1275.42FG1%1274.45FL2%2%1275.32FL1.56%1275.62 TC1275.12 FL1274.67FS1274.67FS1274.67FS1274.67FS1268.37FS1268.37FS1275.78 TC1275.28 FL2%8%1276.55 TC1276.05 FL1276.86 TC1276.36 FL1275.88 TC1275.38 FL1275.78 TC1275.28 FLS=0.5%1%1%5%5%2%2%1%1279.01 TC1278.51 FL5%1279.09 TC1278.59 FL1279.26 TC1278.76 FL1275.11 TC1274.61 FL0.5%0.5%0.5%S=1%S=1%1%1277.50 TC1277.00 FL1276.28 TC1275.78 FL1274.95 TC1274.45 FL1274.85 TC1274.77 FL1275.05 TC1274.55 FL8%1275.22 TC1274.72 FL2%1.3%2%2%1%2%2%5%5%5%5%2%9.04%1277.29 TC1276.79 FL1277.37 TC1276.87 FL1.11%1.11%1.33%1273.16 TC1272.66 FL8%1271.90 TC1271.40 FL1270.35 TC1269.85 FL8% 8 %1271.05 TC1270.55 FL1273.86 TC1273.36 FL1272.60 TC1272.10 FL0.77%2%1276.59 TC1276.09 FL8%1276.30 TC1275.80 FL1276.66 TC1276.16 FL3.09%1276.99 TC1276.49 FL3.09%8.8%1.56%1.56%1.56%1.56%1275.09 TC1274.59 FL0.42%0.42%0.42%1275.81 TC1275.31 FL1275.76 TC1275.26 FL1275.96 TC1275.46 FL0.42%2%4.12%2%2%1276.17 TC1275.67 FL2%1275.30 TC1274.80 FL3.69%1275.40 TC1274.90 FL1%1274.97 TC1274.47 FL2%2%2%1275.42 TC1274.92 FL1275.42 TC1274.92 FL1274.60FL2%1274.95FS2%2%1274.90FS1274.43FS0.1%1274.19 TG1273.14 INV31269.20 TC1268.70 FL1274.71 TC1274.21 FL2.52%1270.83FS8%1270.83FS8%SDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSD 8%1264.53FS1268.74 TC1268.24 FL0.73%1268.36 TC1267.86 FL1268.18 TC1267.68 FL3.3%1270.45 TC1269.95 FL2%1271.25 TC1270.75 FL4%1274.85 TC1274.21 FL0.1%1271.87FLSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDNEW BUILDINGFF=1268.70PAD=1267.78FLOOD PLAN LIMITEL 1265.701274.08 TC1273.58 FL1273.77 TC1273.27 FL1273.67 TC1273.17 FL1274.08 TC1273.58 FL1273.77 TC1273.27 FL1273.67 TC1273.17 FL5%5%1273.47 TC1272.97 FL1272.57 TC1272.07 FL1272.57 TC1272.07 FL1273.47 TC1272.97 FL1270.82 TC1270.32 FL1269.92 TC1269.42 FL1269.87 TC1269.37 FL1270.82 TC1270.32 FL1269.92 TC1269.42 FL1268.00FL0.2%1269.62 TC1269.12 FL1269.26 TC1268.76 FL1269.62 TC1269.12 FL1269.26 TC1268.76 FL1269.85 TC1269.35 FLSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSD1274.24 TG1273.24 INV312701275126812691271127212731274127612771278127512801271127212731 2 7 41276127712781279 PRELIMINARY GRADING PLANPRELIMINARY GRADING PLANSCALE 1" = 20'W.H. ENGINEERING GROUP18240 GRAND AVENUELAKE ELSINORE, CA 92530ROME HILL BUSINESS PARKEEXP. 3/31/25NO. C 83487ACIIVFETOCTSALAOR NI RIL FSILINWAECH OPD RFERE E UNAMGNENALINEISON GTSIGER11/8/2024REVISIONSAPPR.DATETHESE PLANS HAVE BEEN REVIEWED FOR COMPLIANCE WITH THEAPPROPRIATE CONDITIONS OF DEVELOPMENT AND/OR CITY AND STATE LAWSAND HAVE BEEN FOUND ACCEPTABLEREMON HABIB, RCE No. 83156CITY ENGINEERCITY OF LAKE ELSINOREDATEPREPARED BY:SCALE: PER PLANDATE:BENCH MARK:CITY OF LAKE ELSINORESHEETOFSHEETSFILE No.SEALMARK620227311/8/2024NORTH-CA: 2380 QUME DR., STE E, SAN JOSE, CA 95131SOUTH-CA: 548 WALD, IRVINE, CA 92618INFO@WHENGINEERINGGROUP.COMPHONE: 949-229-3357SCALE 1"=20'40200102030403 CLEAN AIRVAN POLLEVCSCLEAN AIRVAN POLLEVCS N 36°29'54" E 1301'N 36°30'40" E 1301'SDSDSDSDSDSDSD SDSD SD SDSD SD SD SD32 244:1H:VAPN 371-150-002APN 371-150-0011210'N37°06'14"E 1359.58'N37°06'14"E 1309.74'APN 371-150-0161280.31280.71285.51265.41265.21265.61265.31267.51265.51265.51266.31265.61266.41265.21266.51265.51266.51280.51267.7SCATTERED BRUSHTANKGROUND NOT VISIBLEXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX X X X XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXCHAIN LINK FENCEBLOCK DPOR. LOT 19MB 6/296 SDBLOCK DPOR. LOT 19MB 6/296 SD1309.58'2%1268.65FS1268.65FSNEW BUILDINGFF=1268.70PAD=1267.781268.65FS2%2%2%1266.66 TC1266.16 FL1266.20 TC1265.70 FL561268.37FS1268.37FS2%1%1%0.5%0.5%S=1%SDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSDSD2%1.11%1.11%1266.50 TC1266.00 FL1266.78 TC1266.28 FL0.22%1266.62 TC1266.12 FL2%1266.31 TC1265.81 FL1265.68 TC1265.18 FL1%1267.11 TC1266.61 FL1%1%1266.59 TC1266.09 FL2%1267.29 TC1266.79 FL1266.98 TC1266.48 FL2 %1.33%0.1%1266.20 TC1265.70 FL2%1266.56 TC1266.06 FL1266.70 TC1266.20 FL2%2%1268.07 TC1267.57 FL2%1267.79FS1267.91FS1268.16 TC1267.66 FL0.39%1264.53FS8%1268.41 TC1267.91 FL1268.41 TC1267.91 FL2%2%4:1H:V1265 1264 1263 1262 1261 1260FLOOD PLAN LIMITEL 1265.70CUT LIMITFOR FLOOD CONTROLMITIGATION126512651270127512801285126112611262126212631263126412641266126612661267126712681269127112721273127412761277127812791281128212831284127012661266126712671268126812691269CONSTRUCTION NOTE1INSTALL 18" WIDE CURB-CUT.2INSTALL BIO-FILTRATION SWALE PER DETAIL.3INSTALL 24" X 24" SQUARE CONCRETE INLET.4INSTALL 18" DIA. REINFORCED CONCRETE PIPE.5INSTALL INFILTRATION BASIN.6INSTALL WEIR FLOW OUTLET.7CONSTRUCT 4' WIDE CONCRETE GUTTER.PRELIMINARY GRADING PLANPRELIMINARY GRADING PLANSCALE 1" = 20'W.H. ENGINEERING GROUP18240 GRAND AVENUELAKE ELSINORE, CA 92530ROME HILL BUSINESS PARKEEXP. 3/31/25NO. C 83487ACIIVFETOCTSALAOR NI RIL FSILINWAECH OPD RFERE E UNAMGNENALINEISON GTSIGER11/8/2024REVISIONSAPPR.DATETHESE PLANS HAVE BEEN REVIEWED FOR COMPLIANCE WITH THEAPPROPRIATE CONDITIONS OF DEVELOPMENT AND/OR CITY AND STATE LAWSAND HAVE BEEN FOUND ACCEPTABLEREMON HABIB, RCE No. 83156CITY ENGINEERCITY OF LAKE ELSINOREDATEPREPARED BY:SCALE: PER PLANDATE:BENCH MARK:CITY OF LAKE ELSINORESHEETOFSHEETSFILE No.SEALMARK620227311/8/2024NORTH-CA: 2380 QUME DR., STE E, SAN JOSE, CA 95131SOUTH-CA: 548 WALD, IRVINE, CA 92618INFO@WHENGINEERINGGROUP.COMPHONE: 949-229-3357SCALE 1"=20'40200102030404 N 53°31'17" W 225'N52°55'28"W 225.00'APN 371-090-001APN 371-090-002APN 371-090-003SCATTERED BRUSHXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX12661267GRADING LIMITCONSTRUCTION NOTE1INSTALL 18" WIDE CURB-CUT.2INSTALL BIO-FILTRATION SWALE PER DETAIL.3INSTALL 24" X 24" SQUARE CONCRETE INLET.4INSTALL 18" DIA. REINFORCED CONCRETE PIPE.5INSTALL INFILTRATION BASIN.6INSTALL WEIR FLOW OUTLET.7CONSTRUCT 4' WIDE CONCRETE GUTTER.PRELIMINARY GRADING PLANPRELIMINARY GRADING PLANSCALE 1" = 20'W.H. ENGINEERING GROUP18240 GRAND AVENUELAKE ELSINORE, CA 92530ROME HILL BUSINESS PARKEEXP. 3/31/25NO. C 83487ACIIVFETOCTSALAOR NI RIL FSILINWAECH OPD RFERE E UNAMGNENALINEISON GTSIGER11/8/2024REVISIONSAPPR.DATETHESE PLANS HAVE BEEN REVIEWED FOR COMPLIANCE WITH THEAPPROPRIATE CONDITIONS OF DEVELOPMENT AND/OR CITY AND STATE LAWSAND HAVE BEEN FOUND ACCEPTABLEREMON HABIB, RCE No. 83156CITY ENGINEERCITY OF LAKE ELSINOREDATEPREPARED BY:SCALE: PER PLANDATE:BENCH MARK:CITY OF LAKE ELSINORESHEETOFSHEETSFILE No.SEALMARK620227311/8/2024NORTH-CA: 2380 QUME DR., STE E, SAN JOSE, CA 95131SOUTH-CA: 548 WALD, IRVINE, CA 92618INFO@WHENGINEERINGGROUP.COMPHONE: 949-229-3357SCALE 1"=20'40200102030405 1275128012701265⅊1285FF=1268.70PAD=1267.782%12751280127012651285EXIST FENCEPLACE 4'' MIN. DIA.APPROVED COBBLE 0.2'BELOW CURB OPENINGS FORDISTANCE OF 2' EITHERSIDE OF CURB OPENINGS6'' H IGHCURB PAVEMENT6'' HIGHCURB AASLOPE TODRAINFLOWS TOBIORETENTIONSECTION VIEWCLAA3'-6''12''24''24''PLAN VIEWSEEBIORETENTIONORFTP DETAILS0.2'MIN.31 MAX.6'' 6''X VARIESSEEPLAN1'-6'' MIN.WARPED GUTTERDEPRESS 2''AT OPENINGA-A18'' M IN .6''CURB OPENINGDETAILNOT TO SCALE1MAINTAIN GRASS HEIGHTAT 4"-8" HIGH OR 1.5 XTHE DEPTH OF FLOW.1' MINIMUM THICKNESS OFAMENDED SOIL MEETINGPLANTING/MEDIA SPECS.1'1'1'5%MINVEGETATED SWALEDETAILNOT TO SCALE5%MIN25.0%5.0%0.10'2'2'4'1"38" LIP (TYP.)0" LIP AT HANDICAP STALLSLEVELLINEFLOWLINE8"6" MINAGGREGATE BASEAC PAVEMENT4' WIDE CONCRETE DITCHDETAILNOT TO SCALE71275128012701265128512751280127012651285NEW BUILDINGFF=1275.00PAD=1274.0872%2%℄ GRAND AVENUE2%5%12901290R/W4:11275128012701265127512801270126512851285NEW BUILDINGFF=1268.70PAD=1267.781%5%NEW BUILDINGFF=1275.00PAD=1274.0872%2%126012605%5%1275128012701265⅊1285NEW BUILDINGFF=1275.00PAD=1274.082%12751280127012651285EXIST WALLSECTIONS & DETAILSW.H. ENGINEERING GROUP18240 GRAND AVENUELAKE ELSINORE, CA 92530ROME HILL BUSINESS PARKEEXP. 3/31/25NO. C 83487ACIIVFETOCTSALAOR NI RIL FSILINWAECH OPD RFERE E UNAMGNENALINEISON GTSIGER11/8/2024REVISIONSAPPR.DATETHESE PLANS HAVE BEEN REVIEWED FOR COMPLIANCE WITH THEAPPROPRIATE CONDITIONS OF DEVELOPMENT AND/OR CITY AND STATE LAWSAND HAVE BEEN FOUND ACCEPTABLEREMON HABIB, RCE No. 83156CITY ENGINEERCITY OF LAKE ELSINOREDATEPREPARED BY:SCALE: PER PLANDATE:BENCH MARK:CITY OF LAKE ELSINORESHEETOFSHEETSFILE No.SEALMARK620227311/8/2024NORTH-CA: 2380 QUME DR., STE E, SAN JOSE, CA 95131SOUTH-CA: 548 WALD, IRVINE, CA 92618INFO@WHENGINEERINGGROUP.COMPHONE: 949-229-33576SECTION A-ASCALE 1" = 10'SECTION B-BSCALE 1" = 10'SECTION C-CSCALE 1" = 10'SECTION D-DSCALE 1" = 10'