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Home My WebLink AboutR-422917A PORTION OF THE NW 1/4 OF SECTION 19, TOWNSHIP 23 NORTH, RANGE 5 EAST, W.M., KING COUNTY, WASHINGTON rn N I O W DocuSlgn Envelope ID: 3B1BMD3-TEOA-476C,AD03-4329FFEOCI08 SURFACE WATER STANDARD PLAN NOTES: THE FOLLOWING IS A LISTING OF GENERAL NOTES THAT SHALL ISE INCORPORATED IN THE DRAINAGE PLAN SET. ALL THE NOTES ON THE LIST MAY NOT PERTAIN TO EVERY PROJECT, THE APPLICANTOR OWNER, HEREBY REFERRED TO AS APPLICANT. MAW STFWE OUT IRRELEVANTH(,ITES IF NOT APPLICABLE TO THE PROJECT, HOWEVER, THE APPLICANTT SHALLNLYT RENUMBER NOR EDTTTHE REMAINING NOTES_ IF ADDITIONAL NOTES ARE NEEDETIFOR SPECIFIC ASPECTS, THEY SFIALL.RE ADDED AFTER THE SURN-ACE WATER STANDARD PLAN NOTES. I. BEFORE ANYCONSTRUCTION OR DEVELOPMENT ACTIVITY QCCURS.A PRE-CDNSTRUCTION MEETINGSHALL BE HELD AMONG THE CITY OF RENTON, HEREBY REFERRED TD AS THE CRY. THE APPLICANT. AND THE APPLICANTS CONTRACTOR 2. THE APPLICANT SHALL BE RESPONSIBLE FOR SECURING ALL NECESSARY CITY, STATE. AND FEDERAL PERMITS PRIOR TO CONSTRUCTION. 3. ALL STORM DRAINAGE IMPROVEMENTS SHALL BE DESIGNED AND CONSTRUCTED IN ACCORDANCE WITH THE LATEST EDITION OF THE CITY OF RENTON SURFACE WATER DESIGN MANUAL (RENTON SWUMM RENTON MUNPCIPAL CODE 1RMCI, AND THE STANDARD SPECIFICATIONS FUR ROAD. BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY WSOOT AND THE AMERICAN PUBLIC WORKSA5SOCIATION IAPWAI. IT SHALL BE THE SOLE RESPONSIBILITY OF THE APPLICANT rb CDRRECTANY ERROR, OMISSION. OR VARIATION FROM THE ABOVE REQUIREMENTS FOUND IN THE PLANS. ALL CORRECTIONS SHALL BE AT NO ADDITIONAL COST TO THE CITY, 4. APPROVAL OF THE ROAD, GRADING, PARKING, BUILDING, AND DRAINAGE PLAN DOES NOTCONNSTITUTE AS APPROVAL OF ANY OTHER CONSTRUCTION (EG. WATER, SEWER- GAS, ELECTRICAL. IETC.) PLANS FOR STRUCTURES SUCH AS BRIDGES, VAULTS, AND RETAINING WALLS REQUIRE A SEPARATE REVIEW AND APPROVAL BY THE CITY PRIOR TO CONSTRUCTION. THE SURFACE WATER DRAINAGE SYSTEM SHALL BE WNSTRUCTEDACCORDING TO THE APPROVED PLANS ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE COORDINATION FOLLOWED BY WRITTEN APPROVAL FROM THE CITY. 5. A COPY OF THE APPROVED PLANS SHALL BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PRCGRESS. B. THE IAS LOCATIOOF ALL BSEISTING UTIUTIFSSHOWN IIFREON HAVE OWN ESTAALISHEO BY FIELD SURVEY OR OBTAINED FROM AVAA APLE RECORDS AND SHALL THEREFORE BE CONSIDERED APPROMTMATE ONLY AND NOT NECESSARILY COMPLETE. IT IS THE SOLE RESPONSIBILITY OF THE APPLICANT ANDTHE APPLICANTS CONTRACTOR TO INDEPENDENTLY VERIFY THE ACCURACY OF ALL UTILITY LOCATICNS SHOWN, AND TO FURTHER DISCOVER AND AVOID ANY OTHER U71LITIES NOT SHOWN HEREON THAT MAY BE AFFECTED BY THE IMPLEMENTATION OF THIS PLAN. THE APPLICANT SNAIL RECORD ON THE AS -BUILT DRAWINGS ALL UNDOCUMEENTED UTILITIES DISCOVERED AND ANY CHANGES TDTFE APPROVED PUNS. THE APPLICANT SHALL IMMEDIATELY NOTIFY THE ENGINEER OF RECORD IF CONFLICTOUSTS. 7. VERTICAL DATUM SHALL BE NAVD 08 AMC HORIZONTAL DATUM WALL BE NAD B3 (WA STATE PLANE, NORTH). UNLESS OTHERWISE APPROVED BY THECITY. REFERENCE BENCFIMARK, DATUM. AND EUEVATIONS SHALL BE NOTED ON THE PLANS. 8, ALL UTILITY TRENCH BACKFILL AND ROADWAY SUBGRADE SHALL BE COMPACTED TO 9S%MAxIMUM4 DAY DENSITY PER SECTION 2LW.N14)D-COI AND MOISTURE CONTROL TESTS OF THE WSDDT STANDARD SPEORCATIONS. IN PERMEABLE PAVEMENT AND OTHER INFILTRATION AREAS, ALL TRENCH ELACKFILL SHALL BE FIRM AND UNYIELDING BUT IN NO CASE SHALL BE COMPACTED TO MORE THAN 92% OF MAXIMUM URY DENSITY. 9. OPEN CUTTING OF EXISTING ROADWAYS FOR STORM DRAINAGE WORK IS NOT ALLOWED UNLESS SPECFICALLY APPROVED BY THE CITY AND NOTED ON THESE APPROVED PLANS. ANY OPEN CUTSHALL BE RESTORED IN ACCORDANCE WITH THE CITY TRENCH RESTORATION STANDARDS. 10_ All PIPE ANDSTRUCTURES SHALL BE STAKED FOR SURVEY LINE AND GRADE PRIOR TOTHE STARTUP CONSTRUCTION_ WHERE SHOW14ON THE PLANS OR WHERE DIRECTED MY THE CITY, THE EXISTING MANHOLES- CATCH BASINS. OR INLETS SHALL BE AOJIUSTED TO THE GRADE AS STAKED. 11. ALL FLOW CONTROL FACILITIES SHALL BE INSTALLED AND IN OPERATION PRIORTO, OR IN CONJUN CTICN WT H,.ANY CONSTRUCTION ACTMTY UNLESS O1P+IERW1!;E APPROVED BY THE CITY. 12 ALL PIPE ANDAPPVRTENANICES SkUL. BE LAID 0" A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH THE CURRENT STATE OF WASHINGTflN STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTIOH_ THIS SHALL INCLUDE NECESSARY LEVFTINGOF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL, AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED OEDDING MATERIAL TO LNWORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL DE SUPPORTED ON A UNIFORMLY DENSE. UNYIELDING BASE, ALL PIPE BEDDING AND BACKFILL SH&LL BE AS SHOWN ON THE CITY STANDARD PLAN 2201XI, 220,10, AND 22"0_ 13. STEEL PIPE MALL BE ALUMINIZED, OR GALVANIZED WITH ASPHALT TREATMENT 1, 2, OR S INSIDE AND OUTSIDE. 1=. ALL DRAINAGE STRUCTURES SUCH AS CATCH BASINS AND MANHOLES SHALL BE FITTED NTH DUCTILE IRON. BOLTLOCKOG LIDS PER THE CITY STANDARD PLAN 204..1 D, 23420, 204.30, 204.40, AND 2D4 S4. STRUCTURES SHALL HAVE; • RECTANGULAR OR ROUND. SOL*LIDS WHEN R4TOOLLECTINO RUNOFF. AND OUTSIDE OF THE ROADWAY • ROUND. SOLID LIDS WHEN NOTCDLLECTING RUNOFF, AND LOCATED WITHIN THE ROADWAY, BUT UUTSIUE OF THE CURBIGUTTEH LINE. . ROUND, SOLID LIDS DISPLAYING THE CITY LOGO WHEN WITHIN THE PUBLIC M1 fr-CF-WAY OR IN AN EASEMENT TO THE CITY. PRIVATE STRUCTURE LIDS OUTSIDE PUBLIC RIGHT-OF-WAY AND CASEMENTS TO THE CITY SHALL NOT DISPLAY THE CITY LOGO. 15. BUILDINGS AND OTHER STRUCTURES SHALL BE PLACED IN ACCORDANCE WITH TABLE 4,1 EASEMENT WIDTHS AMDOVILOING SETBACKS LINES OF THE RE14TON ISMM. 15. LIDS OF NMHOL>E"ATCH MIP45 WITHIN PUBLIC R*W-QF-WAY SHALL NOT BE ADJUSTED TO FINAL GRADE UNTIL AFTER PAVING, ALL MANHOLFJCATCH BASIN RIMS SHALL BE ADJUSTEO TO BE RUSH WITH FINAL FINISAIED GRADES, UNLESS OTHER W IS€ SHOWN. 17. ALL DRIVEWAY CULVERTS LOCATED WITHIN CITY FIGHT•OF-WAY SHALL BE OF SUFFICIENT LENGTH TO PROVIDE A MINIMUM 3:1 SLOPE FROM THE EDGE OF THE DRIVEWAY TO THE BOTTOM OF THE DITCH, UNLESSb1HFkWI5L Nunn, l] AwimGISr10T Ib SCALE lwsl STD. P LAN - 267.00 PUBLIC WORKS SURFACE WATER STANDARD PLAN NwNaTunbY: DEPARTMENT NOTES (1 OF 2) actin Pastucha8/13/2020 tasfi m nn DATE 8:4E DocuSlgn Envelope ID: 3B1B34D3-TEOA-476C-ADB3-4329FFEOCI08 SURFACE WATER STANDARD PLAN NOTEISF THE FOLLOWING IS A LISTING OF GENERAL NBCTES THAT SHALLBE INCORPORATED IN THE DRAINAGE PLAN SET.ALL THE NOTESON THE LISTMAY NOTPERTAN TO EVERY PROJECT, THE, APPLICANTOR OWNER, HEREBY REFERRED TOAS APPLICANT, MAY STMSECVT IRRELEVANT NOTES IF NOT APPLICABLE TO THE PROJECT, HOWEVER, THE APPLICANT SHALLNUT RENLMSER NOR MTTHE REMAINING NOTES. F ADDITIONAL NOTES ARE NEEDED FOR SPECIFIC ASPECTS, THEY SHALL BE ADDED AFTER THE SURFMX WATER STANDARD PLAN NOTES. 18- ROD( FOR EROSION PROTECTION OF ROADSIDE DITCHES. WHERE REOIAIRED. SMALL BE Or SOUND QUARRY ROCK PLACED TO A MINIMUM DEPTH OF ONE (1) FOOT MID SHALL MEET THE FOLLOWING SPECIFICATIONS: • 4-5 INCH POCK 141)-74%PASSING; • 2.4 INCH ROCK J 30.40% PASSING: AND • LESS THAN 24MCH ROCK F 10 - 2U% PASSING, 19. FOOTING DRAINAGE SYSTEMS AND ROOF DCVMPCUT SYSTEMS SHALL NOT BE INTERCONNECTED AND SHALL SEPARATELY CONVEY COLLECTED FLOWS TO THE CONVEYANCE SYSTEM OR FLOW CON7AOL FACILITYON THE SITE. UNLESS APPROVED BY THE CITY. FOOTING DRAINS SHALL NOT BE CIDIINECTED TO ON -SITE IMPS, 20. THE END OF EACH STORM DRAIN STUB SHALL BE CAPPED. A CLEANOIJT TOPPED WITHA BOLT -LOCKING LID MARKED'S701RM' OR "DRAIN' SHALL BE LOCATED AT THE PROPERTY LINE OR AT THE POINT OF CONNECTION Of A PRIVATE STORM DRAINAGE ¢ONVEYANCE SYSTEM PER THE CITY STANDARD PLAN 227.09. 21, ALL STORM SYSTEM UT6NSIONS SHALL EVE STAKED FOR LINE AND GRADE SY A SURVEYOR UIENSEO IN WASHINGTON STATE. AND CUT SHEETS SHALL 9L PROVIDED TO THE CRY PRIOR TO CONSTRUCTION_ 22. ALL ZEIALY.INSTALLED AND NEWLYdEH4BILITATEO (PUBLIC AND PRIJATEI STORM CONVEYANCE SYSTEMS SHALL BE INSPECTED BY MEANS OF REMOTE CCTV ACCO i 31MG TO THE CITY STANDARD PLAN 2911.00. OGTV INSPECTIONS AND REPORTS SHALL BE SUBMITTED TO THE CITY PRIORTO RECEIVING APPROVAL TO INSTALL PROJECT CURBS. GUTTERS ANWOR PAVEMENT. 23. ALL STORM SYSTEMS AND CONNECTIONS TO EXISTING MAINS SHALT BE TESTED 04 ACCORDANCE WITH SECTION 7-04.311) OF THE WSVOT STANDARD SPECIFICATIONS AND IN TIFF PRFSENOE OFARFPRESFNrATIVF of: THE CITY STORM DRAIN STUQSSHALL BE TESTFD FOR AOOFPFANCE AT THE SAME TINE THE MAW. STORM IS TESTED. 24. FOR ALL DISTURBED PERVIOUS AREAS (COMPACTED, GRADED. LANDSCAPED. ETC.) OF THE DEVELOPMENT SATE, TO MAINTAIN THE MOISTURE CAPACITY OF THE SOL EITHER STOCKPILE AND REDISTRIBUTE THE EXISTING DUFF LAYER AND NATIVE TOPSOIL OR AMEND THE SOIL WITH COMPOST IN ACCORDANCE WITH STANDARD PLAN 2S4 00. 25. L98UAWEOF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY DOES NOT RELIEVE THE APPLICANT OF THE CONTINUING LEGAL OBLIGATION ANDdOR LIABILITY CONNECTED WITH STO UJWATER DISPOSAL. THE CITY DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MANTENANCE OF THE STORM SYSTEM PROVIDED DURING CONSTRUCTION. 26. ADEQUATE SAFEGUARDS, SAFETY DEVICES, PROTECTIVE EGUIPMENT.. FLAGGERS, AND ANY OTHER ACTIONS NEEDED TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC. AND TO PROTECT PTROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK SHALL BE PROVIDED. ANY WORK WITHIN THE TRAVELED RIGHT-0E-WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE ATRAFFICCONTROL PLAN APPROVED BY THE CITY. ALL SECTIONSOF THE WS00T STANDARD SPECIFICATIONS 1.10 TEMPORARY TRAFFIC CONTROL SHALL APPLY. 27. PROJECTS LOCATED WIWITH THIN THE CITYS AQUIFER PROTECTION AREA (APAI SHALL COMPLY H SPECIAL. REQUIREMENT NO OF THE RENTON SWDM AND AQUIFER PROTECTION REOULATIONO 4RMCA-5-Ml. 26. PLACEMENT OF SURFACE APPURTENANCES (CATCH BASIIDMANHOLE LIDS, CLEANOUTS. INLETS. ETC.) IN THE STREET TRAVEL LAME WHEEL PATH, INTERSECTIONS OF STREET TRAVEL LANES, BIKE LANES. SIDEWALKS. AND CROSWYALKS SHALL BE AVOIDED WHENEVER POSSIBLE, ANY SURFACE APPURTENANCE PLACED IN A SICFWALK CR CROSSWALK,%HALL RE FITTED WITH A NONSLIP OR MION.SXI❑ LID PER ADARIFQUIRFMENTS. 29. CLEARLY LABEL PUBLIC AND PRIVATE SYSTEMS ON THE PLAZAS. PRIVATE SYSTEMS SHALL BE MAINTAINED BY THE APPLICANT. 30. MINIMUM COVER OVER STORM CIRANA43E PIPE SHALL CONFORM TO TABLE 41.1JA2 OF THE RENTON SWDM 31. CONSTRUCTED PERMEABLE PAYEW4T SHALL BE PERMEABLE ENOUGH TO ABSORB WATER AT A MINIMUM RATE OF 20 INCHES PER HOUR IMMEDIATELY AFTER THE PAVEMENT SURFACE HAS BEEN WETTED CONTINUCULSLY FOR AT LEAST 10 MINUTES. COMPLIANCE WITH THIS MINIMUM RATE SMALL BE CHECKED PRIOR TO CONSTRUCTION APPROVAL OF THE PAVEMENT. COMPLIANCE MAY BE CHECKED USING A SIMPLE BUCKET TEST IN WHICH 5 GALLONS OF WATER IS POURED ONTO THE PAVEMENT SURFACE ALL AT ONCE- IF ONLY A MINOR AMOUNT OF WAIER.PONDS OR RUNS OFF THE SU RPAC1E. THEN THE PAVEMENT IS CONSIDERED TO MEET THE MINIMUM RATE OF ABSORPTION, AT LEAST LINE TEST SHALL BE CONDUCTED PER 1,M6 SCUAAE FEET OF PERMEABLE PAVEMENT, IF THIS TEST IS NOT CONCLUSIVE„ THEN ANOTHER TEST PER ASTM C17C1 SHALL BE CONDUCTED. FOR LARGE AREAS IE.G.. PARKING AREA'SM TESTING OBSERVATION MAY BE ACCOMPLISHED WHILE WALKING BEHIND A SLOWLY MOVING WATER TRUCK DLSCHAROING WATER AT A RATE SIMILAR TO THE BUCKET TEST PERMEABLE PAVERS SHALL BE TESTED USING ASTM C1781 UNI-M bTHRW1S[ NuTU D, UnAWING.IS HOT TO SCALE INTSI Affivfth STD. PLAN - 267,10 PUBLIC WORKS SURFACE WATER STANDARD PLAN iwawootmi,y. DEPARTMENT NOTES (2 OF 2) arrtin Pastuchg/13/2020 Nkmov =lUtL.-J(1 DATE STORM PIPE NOTES STORM DRAIN (SD) GRAVITY SYSTEM SHALL BE CONSTRUCTED OF THE FOLLOWING MATERIALS AND AS NOTED ON PLANS: 1. CORRUGATED POLYETHYLENE PIPE (CPEP) AND FITTINGS: SHALL BE DUAL WALL AND COMPLY WITH WSDOT 9-05.20 REQUIREMENTS. 2. POLYVINYL CHLORIDE PIPE (PVC) AND FITTINGS: SHALL BE SOLID WALL AND COMPLY WITH WSDOT 9-05.12 REQUIREMENTS. 3. STORM DRAINS SHALL BE INSTALLED PER CITY OF RENTON STD PLAN 220.10 AND STD PLAN 220.20. 4. GRAVITY STORMWATER SYSTEM SHALL BE LOW PRESSURE AIR TESTED IN ACCORDANCE WITH WSDOT STANDARD SPECIFICATION 7-04.3(1)F. AT THE OWNER'S DISCRETION, PIT DRAINS, MANHOLES, VAULTS OR OTHER ANCILLARY PIPE SYSTEMS MAY BE HYDROSTATICALLY TESTING TO THE OWNER'S SATISFACTION (E.G. PLUG PIPES, FILL STRUCTURE TO SET ELEVATION WITH WATER, AND OBSERVE WATER LEVEL DEVIATION OVER A SET PERIOD OF TIME). : %ve"IN%tiIE0 k,Ik,Al1: !J 1. EXCAVATE TO ELEVATIONS, LINES AND GRADES INDICATED TO NOT MORE THAN 1/2-INCH ABOVE OR BELOW THAT REQUIRED. 2. SLOPE SIDES OF EXCAVATION AS INDICATED OR COMPLY WITH LOCAL CODES AND ORDINANCES HAVING JURISDICTION, WHICHEVER IS MORE STRINGENT. SHORE AND BRACE WHERE SLOPING IS NOT POSSIBLE BECAUSE OF SPACE RESTRICTIONS OR STABILITY OF MATERIAL EXCAVATED. 3. STOCKPILE SATISFACTORY EXCAVATED MATERIALS WHERE DIRECTED UNTIL REQUIRED FOR BACKFILL OR FILL. PLACE, GRADE AND SHAPE STOCKPILES FOR PROPER DRAINAGE. LOCATE AND RETAIN SOIL MATERIALS AWAY FROM EDGE OF EXCAVATIONS. 4. DISPOSE OF EXCESS SOIL AND UNSUITABLE SOIL MATERIAL OFF -SITE AS DIRECTED. SUBGRADE PREPARATION NOTES .►YIJ:1el:L111a:1011iP1mVIVA aIF, 10z1I SUBGRADE PREPARATION: ALL SOIL SUBGRADES SHOULD BE THOROUGHLY COMPACTED, THEN PROOF -ROLLED WITH A LOADED DUMP TRUCK OR HEAVY COMPACTOR. ANY LOCALIZED ZONES OF YIELDING SUBGRADE DISCLOSED DURING THIS PROOF -ROLLING OPERATION SHOULD BE OVER EXCAVATED TO A MAXIMUM DEPTH OF 12 INCHES AND REPLACED WITH A SUITABLE STRUCTURAL FILL MATERIAL. ALL STRUCTURAL FILL SHOULD BE COMPACTED ACCORDING TO THE GEOTECHNICAL ENGINEERING REPORT RECOMMENDATIONS GIVEN IN THE STRUCTURAL FILL SECTION. SPECIFICALLY, THE UPPER 2 FEET OF SOILS UNDERLYING PAVEMENT SECTION SHOULD BE COMPACTED TO AT LEAST 95 PERCENT MAXIMUM DRY DENSITY (BASED ON ASTM D-1557), AND ALL SOILS BELOW 2 FEET SHOULD BE COMPACTED TO AT LEAST 90 PERCENT. COMPACTION NOTES 1. CONTROL SOIL COMPACTION DURING CONSTRUCTION PROVIDING MINIMUM PERCENTAGE OF DENSITY SPECIFIED FOR EACH AREA CLASSIFICATION. PERCENTAGES ARE RELATED 8.48 TO MAXIMUM DRY DENSITY AS MEASURED IN CONFORMANCE WITH ASTM D 1557. 2. COMPACT TOP 12-INCHES OF SUBGRADE (24-INCHES UNDER PROPOSED DRIVING SURFACES) TO 95-PERCENT OF MAXIMUM DRY DENSITY UNDER PAVEMENTS AND GRAVEL SURFACING. GRADING AND DRAINAGE NOTES 1. PROVIDE 12" MINIMUM VERTICAL AND 7' (10' FROM WATER) MINIMUM HORIZONTAL CLEARANCE (OUTSIDE SURFACES) BETWEEN STORM DRAIN PIPES AND OTHER UTILITY PIPES AND CONDUITS. FOR VERTICAL SEPARATION SMALLER THAN 12" AT ANY CROSSINGS, ETHOFOAM PAD SHALL BE PROVIDED. 2. CONTRACTOR AND/OR SURVEYOR SHALL CALCULATE PIPE SLOPES BASED ON THE INVERT ELEVATIONS SHOWN ON THE PLANS PRIOR TO CONSTRUCTION. THE CONTRACTOR SHALL NOTIFY THE ENGINEER OF ANY DISCREPANCIES PRIOR TO FIELD STAKING AND CONSTRUCTION. 3. CONTRACTOR TO FIELD VERIFY HORIZONTAL LOCATION OF CATCH BASIN STRUCTURES WITH RESPECT TO CURBING/CONCRETE PADS PRIOR TO CATCH BASIN PLACEMENT. PARTIAL STAKING OF CURBS/PADS AT TIME OF CATCH BASIN STAKING MAY BE NECESSARY. 4. ALL STORM DRAINAGE PIPING SHALL BE GASKETED AND WATERTIGHT. 5. PIPE COVER FOR LINED POLYETHYLENE PIPE (CPEP) SHALL BE 2' MINIMUM. 6. PIPE COVER FOR POLYVINYL CHLORIDE PIPE (PVC) SHALL BE 3' MINIMUM. 3. WHERE SUBGRADE OR LAYER OF SOIL MATERIAL MUST BE MOISTURE CONDITIONED BEFORE COMPACTION, UNIFORMLY APPLY WATER TO SURFACE OF SUBGRADE OR LAYER OF SOIL MATERIAL TO PREVENT FREE WATER APPEARING ON SURFACE DURING OR SUBSEQUENT TO COMPACTION OPERATIONS. REMOVE AND REPLACE, OR SCARIFY AND AIR DRY, SOIL MATERIAL THAT IS TOO WET TO PERMIT COMPACTION TO SPECIFIED DENSITY. SOIL MATERIAL THAT HAS BEEN REMOVED BECAUSE IT IS TOO WET TO PERMIT COMPACTION MAY BE STOCKPILED OR SPREAD AND ALLOWED TO DRY. ASSIST DRYING BY DISKING, HARROWING OR PULVERIZING UNTIL MOISTURE CONTENT IS REDUCED TO SATISFACTORY VALUE. sitts&hill D C. O , O� pF wGt.��r CIVIL I STRUCTURAL I SURVEY 4815 CENTER STREET I TACOMA, WA. 98409 r f 1 V PHONE: (253) 474-9449 I FAX: (253) 474-0153 L ` http://www.sittshill.com/ r A 46449 or Project No.: 19480 Project Mgr.: DCD sS��NAL 6�� Proj. Engineer: DKM/RJJ Proj. Drafter: KLK/DKM OM R-422917 IN COMPLIANCE WITH CITY OF RENTON STANDARDS DEVELOPMENT ENGINEERING Wanders 05/08/2023 SURVEYED: SCALE: DATE: VERTICAL: NAVD 1988 • BROTHERTON BUICK-GMC - RENTON DESIGNED: AS NOTED HORIZONTAL: NAD 1983/183/1991 CITY OF DKM/RJJ FIELDBOOK: • Call 811 KLK , RENTON DRAWN: PAGE: DKM ONE INCH DATUM DRAWING NO: • two business days CHECKED:DCD AT FULL SCALE Planning/Building/Public Works Dept. GRADING AND STORM DRAINAGE NOTES C3.2 B IF NOT ONE INCH before you dig NO. REVISION BY DATE APPR APPROVED SCALE ACCORDINGLY (PRIVATE AND PUBLIC) SHEET: OF:17 29 N T O O O I N N LO N T O O O I N N Q J LO O CM O O N N 1 u