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HomeMy WebLinkAboutR-422943A PORTION OF THE NW 1/4 OF SECTION 19, TOWNSHIP 23 NORTH, RANGE 5 EAST, W.M., KING COUNTY, WASHINGTON rn N I O I 0 W Do12uSign Envelope ID: 3B1B34D3-TEOA-476C-AD03-4329FFEOCI08 SURFACE WATER STANDARD PLAN NOTES: THE FOLLOWING 19 A LISTING OF GENERAL NOTES THAT SHALLBE INCORPORATED IN THE DRNNA+3E PLAN SET. ALL THE NOTES ON THE LIST MAY NOT PERTAIN TO EVERY PROJECT, THE APPLICANT OR OWNER, HEREBY REFERRED TO AS APPLICANT, MAY STRIIIIE CUT IRRELEVANTNOTES IF NOT APPLICABLE TO THE PROJECT, HOWEVER, THE APPLICANT SHALL NOT RENUMBER NOR EDIT THE REMAINING NOTES_ IF ADD1710MAL NOTES, ARE NEEDED FOR SPECIFIC ASPECTS, THEY SHALL BE ADDED AFTER THE SURFACE WATER STANDARD PUN NOTES. 1. BEFORE ANYCGNSTRUCTION OR DEVELOPMENT ACTVITY COMRS.A PRE-GOII,ATRUCTIDM MEETING SHALL FIE HpLD AMONG THE CITY OF RENTON, HEREBY REFERRED TO AS THE CITY. THE APPLICANT. ARID THE APPDCAN IT'S CONTRACTOR- 2. THE APPLICANT SIMLL BE RESPONSIBLE FOR SECURING ALL NECESSARY CITY, STATE. AND FEDERAL PERMITS PRIOR TO CONSTRUCTION. 3. ALL STORM DRUNAG€ WPR04EMEN7S SHALL BE DESIGNED AND CONSTRUCTED IN ACCORCIANC€ WITH THE LATEST EDITION OF THE CITY CF RENTON SURFACE WATER DESIGN MANUAL (RENTON 5WDMI. RENTON MUNICIPAL CODE {RMCL AND THE STANDARD SPECIFICATIONS FOR ROAD- BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY NNSDOT AND rW AMERICAN PUBLIC h'4RK$ASSOCIATTON (APWAJ. IT SHALL SE THE SOLE RESPONSIBILTTY OF THE APPLICANT TO CORRECT ANY ERROR, OMISSION OR VARIATION FROM THE ABOVE REQUIREMENTS FOUND IN THE PLANS. ALLOORAECTIONS SHALL BE AT NO ADDITIONAL COST TO THE CITY, A. APPROVAL OF THE ROAD, GRADING, PARKING, BUILDING, AND DRAINAGE PLAN DOES NOTCONSTITUTE AS APPROVAL OF ANY OTHER CONSTRUCTION IF-G. WATER, SEWER_ OAS, ELECTRICAL. ETC.h PLANS FOR STRUCTURES SUCH 45 BRIDGES, VAULTS, AND RETAINING WALLS RECHARE ASEPARATE REVIEW AND APPROVAL RY THE CITY PRIOR TO CONSTRUCTION. THE SURFACE WATER DRAINAGE SYSTEM SIAALL BE CONSTRUCTED ACCORDING 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 PLAMS SMALL BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. B. THE LOCATIONS OF ALL EXISTING UNIATIESSHOWN HEREON HAVE BEEN ESTABLISHED 9Y FIELD SURVEY OR O_ARLL. OBTAINED FROM AVAIE RECORDS AND SHA THEREFORE BE CONSIDERED APPROIOMATE ONLY AND NOT NECESSARILY COMPLETE. IT IS THE SOLE RESPONSIBILITY OF THE APPLICANT ANDTHE APPLICANTS CONTRACTOR TO INDEPENDENTLY VERIFY THE ACCURACY OF ALL UTILITY LOCATIONS SHOWN, AND TO FURTHER DISCIDVER AND AVOID ANY OTHER UTILITIES NOT SHOWN HEREON THAT MAY BE AFFECTED By THE IMIPLEMENTATIQN QF THIS FLAN THE, APPLICANT SHALL, RECORD QN THE AS -BUILT DR.AW14aS ALL UNDOCUMENTED UTILITIES DISCOVERED AND ANY CHANGES TO THE APPROVED PLANS. THE APPLICANT SHALL IMMEDIATELY NOTIFY THE ENGINEER OF RECORD IF CONFLICTEXISTS. 7. VERTICAL DATUM SHALL BE NAVD BB AND HORJZONTAL DATUM WALL BE NAO &T (WA STATE PLANE, NORTH). UNLESS CTHERWISE APPROVED BY THECITY. REFERENCE BENCHMARK. DATUM. AND ELEVATIONS SHALL BE NOTED ON THE PLANS. 9 ALL UTILITY TRENCH SACKF ILL AND ROADWAY 9UBGHADE SHALL BE COMPACTED TO "%MAX1MuMA DAY DENSITY PER SECTION 2-M.N14)D- COMPACTION AND MOISTURE CONTROL TESTS OF THE WSDOT STANDARD SPEC41FICATIONS. IN PERMEABLE PAVEMENT AND OTHER INFILTRATION AREAS. ALL TRENCH EIADKFILL SHALL BE FIRM AND UNYIELDING BUT IN NO CASE SHALL BE COMPACTED TO MORE THAN 92% OF MAXIMUM DRY DENSITY.. 9. OPEN CDTTWG OF EXISTING ROADWAYS FOR STORM DRAINAGE WORK IS NOT ALLOWED UNLESS SPECIFICALLY APPROVED BY THE CITY AND NOTED ON THESE APPROVED FLAYS. ANY OPEN CUTSHAA BE RESTORED IN ACCORDANCE WITH THE CITY TRENCH RESTORATION STANDARDS. 10_ ALL PIPE AND STRUCTURES SHALL BE STAND FOR SURVEY LINE AND GRADE PRIOR TO THE START OF CONSTRUCTION_ WHERE SHOWN ON THE PLANS OR WHERE DIRECTED BY THE CITY. THE EXISTING MANHOLES- CATCH BASINS. CR INLETS SHALL BE AOJUSTED TO THE ©RAPE AS STAKED. II. ALL FLOW CONTROL FACILITIES SHALL BE INSTALLED AND IN OPERATION PRIOR TO, OR IN CONJUNCTION VM,.ANY CONSTRUCTION ACTTV TY UNLESS OTHERWSE APPROVED BY THE CITY, 12. ALL PIPE AND APPURTENANCES SILALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH THE CURRENT $TATE OF WASHINGTQM STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION_ THIS SHALL INCLUDE NECESSARY LLVFlINGOF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL, AS WELL AS PLACEMENT AND COMPACTION OF REQLRRED BEDDING MATERIAL TO UNIFORM GRADE SG THAT THE ENTIRE LENGTH OF THE PIPE WALL BE SUPPORTED ON A UNIFORMLY DENSE. UNYIELDING BASE, ALL PIPE SEDDING AANDBACKFILLBWNLL BE AS SHQWYN QN THE CITY STANDARD PLAN AND 22"0_ 13. STEEL PIPE SHALL BE ALU MINEED, 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 WITH DUCTILE IRON. BOLTLOCKIIG LIDS PER TIE CITY STANDARD PLAN 204-1 D, 23420, 234.30, 204AO, AND 204,150. STRUCTURES SHALL HAVE: • RECTANGULAR OR ROUND, WE*uOS WHEN HOT COLLECTING BUNOPF. AND OUTSIDE OF THE M AADWAY • ROUND.. SOLID LIDS WHEN NOT COLLECTING RUNOFF, AND LOCATED WITHIN THE ROADWAY, BUT OUTSIDE OF THE CURBIGUTTER LINE. . ROUND SOLID LIDS DISPLAYING THE CITY LOBO WHEN WITHIN THE PUBLIC MHT-0FJNAY OR IN AN EASEMENT TO THE CITY. PRIVATE STRUCTURE LIDS OUTSIDE PUBLIC RICHT.QF-WAY AND CASEMENTS TO THE CITY SHALL NOT DeSPLAY THE CITY LOGO. 1', PULLHNGS ANO OTHER STRUCTURES SHALL BE PLACED IN AOCQRCANC6 WITH TABLE 4,1 EASEMENT WIDTHS ANDBUILOING SETBACKS LIES OF THE RENTON SWOM, V; LIDS OF MANHOLEBICATCIH BASINS WITHIN PUBLIC RIGHT-OF-WAY SHALL NOT BE ADJUSTED TO FINAL GRACE UNTIL AFTER PAVING, ALL MANHOLFJCATCH BASIN RIMS SHALL BE ADJUSTED TORE FLUSH WITH FINAL FINISHED GRADES, UNLESS OTHER WISE SHOWN. 17. ALL DRIVEWAY CULVERTS LOCATED WITHIN CITY RIGHT. OF -WAY SHALL BE OF SUFFICIENT LENGTH TO PROVIDE A MINIMUM 9:1 SLOPE FROM THE EJOC.aE OF THE ORVEWAY TO THE BOTTOM OF THE DITCH- JNLI.SSOIHLR.VISL IIUII L. LRA'h'INC 1'2. NO LU SC4-L IN I1I Admtlk STD. PLAN - 267.00 U*R�H[] PUBLIC WORKS SURFACE WAITER STANDARD PLAN rw �Y. DEPARTMENT NOTES (1 OF 2) Amin PastuChas/13/2a2o " , .=4"`,,:1 DATE 18:48 DocuSIgn Envelope ID: 3B1B34DO-TEOA-476C-ADB3-4329FFEOCI08 SURFACE WATER STANDARD PLAN NOTES: THE FOLLOWING IS A LISTING OF GENERAL NOTES THAT SHALLDE INCORPORATED IN THE DRAINAGE PLAN SET. ALL THE NOTES ON THE LIST MAY NOT PERTAIN TO EVERY PROJECT, THE APPLICANTOR OWNER, HERESY REFERRED TOAS APPLICANT, MAY STFWF.CNT IRRELEVANT NOTES IF NOT APPLICABLE TO THE PROJECT, HOWEVER, THE APPLICANT SHALL NOT RENUMBER NOR EDIT THE REMAINING NOTES. IF 4LIDMIONAL NOTES ARE NEEDED FOR SPECIFIC ASPECTS, THEY SHALL BE ADDED AFTER THE SURFACE WATER STANDARD PLAN NOTES. 10- ROIX FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED. SMALL BE OF SOUND QUARRY ROCK PLACED TO A MINIMUM DEPTH OF ONE (1) FOOT AND SHALL MEET THE FOLLOWING SPECIFICATIONS: • 4-5INCH 'POCK 141)-IU%PA98146; • 2.4 INCH ROCK 130, 40% PASSING: AND • LESS THAN 2INCH RCCK 119 - 2D% PASSING. 19. FOOTING DRAINAGE SYSTEMS AND ROOF DCVMPC41T SYSTEMS SHALL NOT BE INTERCONNECTED AND SHALL SEPARATELY CONVEY COLLECTED FLOWS TG THE CONVEYANCE SYSTEM OR FLOW CONTROL FACILITY ON THE SITE. UNLESS APPROVED BY THE CITY. FOOTING DRAINS SHALL NOT SE CIOMECTED TO ON -SITE BAPS. 20. THE END OF EACH STORM DRAIN STUD SHALL BE CAPPED. A CLEANOUT TOPPED WITH BUILT -LOCKING LID MARKED '570RM'CIR'DRAIN' SHALL BE LOCATED AT THE PROPERLY DINS OR AT THE POINT OF CONNECTION OF A PRIVATE STORM DRAINAGE ¢¢NVEYANCE SYSTEM PER THE CITY STANDARD PON 227.00. 21. ALL STORM SYSTEM EXTENSIONS SHALL LIE STAKED FOR LINE AND GRADE BY A SURVEYCR LICENSED IN WAWNGTON STATE. AND CUT SHEETS £WALL BE PROVIDED TO THE CITY PRIOR TO CONSTRUCTION. 22. ALL NEIALY.INSTALLED AND NEWLYAFKAMUTATED (PUBLIC AND PRNATEN STORM OON2EYANCE SYSTEMS SHALL BE INSPECTED BY MEANS OF REMOTE CCTV ACCORDING TO THE CITY STANDARD PLAN 21511.01).. CGTV INSPECTIONS AND REPORTS SHALL BE SUBMITTED TO THE CITY PRORTO RECENING APPROVAL TO INSTALL PROJECT CURDS. GUTTERS ANWOR PAVENGMT. 23. ALL STORM SYSTEMS AND CONNECTIONS TO EXISTING MAINS SHALL BE TESTED IN ACCORDANCE WITH SECTION 74A.311) OF THE WSOOT STANDARD SPECIFICATIONS AND IN THE PRFSENCF OF ARFPRFSFNTATIVE OF THE CITY STORM DRAIN STUBS SHALL RE TESTFD FOR ACCEPTANCE AT THE SAME TIME THE MAIN. STORM IS TESTED. 24. FOR ALL DISTURBED PERVIOUS AREAS (COMPACTED, GRADED. LANDSCAPED, ETC.) OF THE DEVELOPMENT SITE, TO MAINTAIN THE MOISTURE CAPACITY OF THESOIL EITHER STOCKPILE AND RED157REUTE THE EXISTING DUFF LATER AND NATIVE TOPSOIL OR AMEND THE SOIL WITH COMPOST IN ACCORDANCE WITH STANDARD PLAN 7S4 06. ;Nr, ISSUANCE OF THE SUILOBVGOR CONSTRUCTION PERWTS BY THE CHIP DOES NOT RELIEVE THE APPUCA NTOF THE CONTINUING LEGAL OBLIGATION ANNWOR LIABILITY ICON1ECTED WITH STORMWATER DISPOSAL. THE CITY DOES NOT ACCEPT ANNYOULIGATION FOR THE PROPER FUNCTIONING AND MAMTEN ANCE OF THE STORM SYSTEM PROVIDED DURING CCN5TPLUCTION. 26. ADEQUATE SAFEGUARDS, SAFETY DEVICES, PROTECTIVE EQUIPMENT.. FLAGGERS, AND ANY OTHER ACTIONS NEEDED TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC. AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF VAORK SHALL BE PROVIDED. ANY WORK. WITHIN THE TRAVELED RIGHT# -WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAIN APPROVEDBY THE CITY. ALL SECNONS OF THE WSDOT STANDARD SPECIFICATIONS 1.10 TEMPORARY TRAFFIC CONTROL SHALL APPLY. 27- PROJECTS LOCATED WITHIN THE CITYS ADUIFER PROTECTION AREA (APAH SHALL COMPLY WITH SPECIAL. REQUIREMENT N OF THE RENTON SWDM AND AQUIFER PROTECTIC14 REOULATIONO 411MC44O501. 20. PLACEMENT` OF SURFACE APPURTENANCES CCATCH EASINMANNOLE JOS. CLEANOLIT3, INLETS. ETC.) IN THE STREET TRAVEL LANE WHEEL PATH, INTERSECTIONS OF STREET TRAVEL LANES, BIKE LANES. SIDEWALKS. AND CROSSWALKS SHALL BE AVOIDED WHENEVER POSSIBLE. ANY SURFACE APPURTENANCE PLACED IN A SICIRWALK OR CROSSWALKSHALL RE FITTED WITH A NONSLIP OR NOMAXID LID PER ADA AKUIREMENTS. 29- CLEARLY LABEL PUBLIC AND PRIVATE SYSTEMS ON THE PLANS. PRVATE SYSTEMS SHALL BE MAINTAINED BY THE APPLICANT. 30 MINIMUM COVER OVER STORM DRAINAGE PIPE SHALL CONFORM TO TABLE 4.2.1 A2 OF THE RENTON SWDM 31 CONSTRUCTED PERMEABLE PAVEMENT SHALL BE PERMEABLE ENOUGH TOASSORB WATER AT A MINIMUM RATE OF 20 INCHES PER HOUR IMMEDIATELY AFTER THE PAVEMENT SLRFACE HAS BEEN WETTED CONTINUOUSLY FOR AT LEAST 1U MINUTES. CDMRIANCL WITH THUS MINIMUM RATE SMALL BE CHECKED PRIOR. TO CDNS-IRLICTION APPROVAL OF THE PAVEMENT. COMPLIANCE MAY BE CHECKED USING A SIMPLE BUCKET TEST IN WHICH 5 GALLONS DF WATER 13 POURED ONTO THE PAVEMENT SURFACE ALL AT ONCE- IF ONLY A MINOR AMOUNT OF WA1ER PONDS OR RUNS OFF THE SURFACE. THEN THE PAVEMENT IS CONSIDERED TO MEET THE MINIMUM RATE OF ABSORPTION, AT LEAST ONE TEST SHALL BE CONDUCTED PER 1,006 SCUARE FEET OF PERMEABLE PAVEMENT, IFTHE TEST IS NOT CONCLUSIVE, THEN ANOTHER TEST PER ASTM C1 M1 SHALL BE CONDUCTED. FOR LARGE AREAS{E.G.. PARKING AREA'S(. TESTING OBSERVATION MAY BE ACCOMPLISHED WHILE WALKING BEHIND A SLOWLY MOVING WATER TRUCK OLSCHAROING WATER AT A RATE SIMILAR TO THE BUCKET TEST. PERMEABLE PAYERS SHALL BE TESTED USING ASTM C77$1. UNLESS 01WRIVISL IIUII L. LRA'h'INC i-: NJ IC•'_/_4-I I+ll}I AovftL STD. PLAN - 267.10 URIPUBLIC WORKS SURFACE WATER STANDARD PLANLwf4wofM ST DEPARTMENT NOTES (2 OF 2) tAartin PastLlch /13/2Q20 mullov 1 DATE all 811 • NI two business days before LU you dig No. 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). *111547_\%11Is] 1ILl[QI* . 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 fill ;III *kill 11a:1011iPiM111.1 /011FA10011 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 9:48 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. 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. SURVEYED: SCALE: DESIGNED: AS NOTED DKM/RJJ DRAWN: KLK/DKM ONE INCH CHECKED: AT FULL SCALE DCD IF NOT ONE INCH REVISION BY DATE AP P R APPROVED: SCALE ACCORDINGLY DCD VERTICAL: NAVD 1988 HORIZONTAL: NAD 1983/1991 DATUM 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. CONSTRUCTION RECORD DRAWING PROJECT WAS COMPLETED IN SUBSTANTIAL CONFORMANCE WITH THE APPROVED PLANS. ELEVATION DEVIATIONS, WHERE APPLICABLE, ARE DENOTED WITH PLAN CALLOUT UPDATES, AND A STRIKEOUT THROUGH THE ORIGINAL ELEVATION. UTILITY AS -BUILT INFORMATION OBTAINED BY MCKEE ENTERPRISES AND VERIFIED BY SITTS & HILL ENGINEERS, INC. C TY OF RENTON Plan ning/Building/Public Works Dept. 6*0 T0 oV W,, �. a NPicGr454 E9,0 "%7 � ti {L' sitts&hill CIVIL I STRUCTURAL I SURVEY 4815 CENTER STREET I TACOMA, WA. 98409 PHONE: (253) 474-9449 I FAX: (253) 474-0153 http://www.sittshill.com/ Project No.: 19480 Project Mgr.: DCD Proj. Engineer: DKM/RJJ Proj. Drafter: KLK/DKM R-422943 IN COMPLIANCE WITH CITY OF RENTON STANDARDS BROTHERTON CADILLAC - RENTON DATE: FIELDBOOK: PAGE: GRADING AND STORM DRAINAGE NOTES C12C (PRIVATE AND PUBLIC) SHEET: 17 OF:39 N T O O O 1 N N IIr 0- N T O O O 1 N N a J LO O co O O N N A u