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Home My WebLink AboutSWP2703531.7SECTION 32, TWP 24 N, R 5 E, W.M. CV I r SURFACE WATER STANDARD PLAN NOTES 20. ALL DRIVEWAY CULVERTS LOCATED WITHIN CITY OF RENTON 1. THESE NOTES SHALL APPEAR ON PROJECTS FOR THE SURFACE WATER RIGHT-OF-WAY SHALL BE OF SUFFICIENT LENGTH TO PROVIDE A UTILITY. MINIMUM 3:1 SLOPE FROM THE EDGE OF THE DRIVEWAY TO THE BOTTOM OF THE DITCH. ROCK FOR EROSION PROTECTION OF 2. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY PRE -CONSTRUCTION MEETING MUST BE HELD BETWEEN THE CITY OF ROCK PLACED TO A DEPTH OF ONE (1) FOOT AND MUST MEET THE RENTON PLAN REVIEW SECTION AND THE APPLICANT. FOLLOWING SPECIFICATIONS: 4-8 INCH ROCK / 40-70% PASSING; 3. ALL DESIGN AND CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE 2-4 INCH ROCK / 30-40% PASSING; AND RENTON MUNICIPAL CODE (RMC), THE LATEST EDITION OF THE STANDARD LESS THAN 2 INCH ROCK / 10-20% PASSING. SPECIFICATIONS FOR THE ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY WSDOT AND THE AMERICAN PUBLIC WORKS ASSOCIATION 21. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE (APWA), AS AMENDED BY THE CITY OF RENTON PUBLIC WORKS CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS APPROVED DEPARTMENT. IT SHALL BE THE SOLE RESPONSIBILITY OF THE APPLICANT BY THE CITY PLAN REVIEWER OR SURFACE WATER UTILITY SECTION. AND THE PROFESSIONAL CIVIL ENGINEER TO CORRECT ANY ERROR, AN ACCURATELY DIMENSIONED, CERTIFIED AS -BUILT DRAWING OF OMISSION OR VARIATION FROM THE ABOVE REQUIREMENTS FOUND IN THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY UPON THESE PLANS. ALL CORRECTIONS SHALL BE AT NO ADDITIONAL COST TO COMPLETION. THE CITY. 22. DRAINAGE OUTLETS (STUB -OUTS) SHALL BE PROVIDED FOR EACH 4. APPROVAL OF THIS ROAD, GRADING, PARKING AND DRAINAGE PLAN DOES INDIVIDUAL LOT, EXCEPT FOR THOSE LOTS APPROVED FOR NOT CONSTITUTE AN APPROVAL OF ANY OTHER CONSTRUCTION (E.G. INFILTRATION BY THE CITY. STUB -OUTS SHALL CONFORM TO THE DOMESTIC WATER CONVEYANCE, SEWER CONVEYANCE, GAS, ELECTRICAL, FOLLOWING: ETC.) THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS, WHICH ARE ON FILE WITH THE A. EACH OUTLET SHALL BE SUITABLY LOCATED AT THE LOWEST CITY. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN ELEVATION ON THE LOT, SO AS TO SERVICE ALL FUTURE ROOF APPROVAL FROM THE CITY OF RENTON PUBLIC WORKS DEPARTMENT, DOWNSPOUTS AND FOOTING DRAINS, DRIVEWAYS, YARD DRAINS, SURFACE WATER UTILITY SECTION. AND ANY OTHER SURFACE OR SUBSURFACE DRAINS NECESSARY TO RENDER THE LOTS SUITABLE FOR THEIR INTENDED USE. 5. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE EACH OUTLET SHALL HAVE FREE -FLOWING, POSITIVE DRAINAGE WHENEVER CONSTRUCTION IN IN PROGRESS. TO AN APPROVED STORMWATER CONVEYANCE SYSTEM OR TO AN APPROVED OUTFALL LOCATION. 6. GRADING ACTIVITIES (SITE ALTERATION) ARE LIMITED TO THE HOURS OF 7 A.M. TO 7 P.M. MONDAY THROUGH SATURDAY AND NO WORK ON SUNDAY B. OUTLETS ON EACH LOT SHALL BE LOCATED WITH A IS ALLOWED, UNLESS OTHERWISE APPROVED WITHA WRITEEN DECISION BY FIVE -FOOT -HIGH, 2%4" STAKE MARKED "STORM" OR "DRAIN". THE CITY OF RENTON. THE STUB -OUT SHALL EXTEND ABOVE SURFACE LEVEL, BE VISIBLE, AND BE SECURED TO THE STAKE. 7. IT SHALL BE THE APPLICANT'S/CONTRACTOR'S RESPONSIBILITY TO OBTAIN ALL CONSTRUCTION EASEMENTS NECESSARY BEFORE INITIATING OFF -SITE WORK. EASEMENTS REQUIRE CITY REVIEW AND APPROVAL PRIOR TO CONSTRUCTION. 8. FRANCHISED UTILITIES OR OTHER INSTALLATIONS THAT ARE NOT SHOWN ON THESE APPROVED PLANS SHALL NOT BE CONSTRUCTED UNLESS AN APPROVED SET OF PLANS THAT MEET ALL REQUIREMENTS OF CHAPTER 4 OF THE SURFACE WATER DESIGN MANUAL ARE SUBMITTED TO THE CITY OF RENTON. 9. DATUM SHALL BE NAVD 88 UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON. REFERENCE BENCHMARK AND ELEVATION ARE NOTED ON THE PLANS. 10. ANY DEWATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF STORMWATER FACILITIES MUST BE SUBMITTED TO THE CITY FOR REVIEW AND APPROVAL. 11. ALL UTILITY TRENCHES AND ROADWAY SUBGRADE SHALL BE BACKFILLED AND COMPACTED TO 95 PERCENT DENSITY, STANDARD PROCTOR. 12. OPEN CUTTING OF EXISTING ROADWAYS FOR NON -FRANCHISED UTILITY OR STORM DRAINAGE WORK IS NOT ALLOWED UNLESS SPECIFICALLY APPROVED BY THE CITY OF RENTON AND NOTED ON THESE APPROVED PLANS. ANY OPEN CUT SHALL BE RESTORED IN ACCORDANCE WITH THE CITY OF RENTON TRENCH RESTORATION STANDARDS. 13. ALL SEDIMENTATION/EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS PASSED. 14. ALL RETENTION/DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONDUCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION. 15. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOMOR THE TOP OF THE FOUNDATION MATERIAL, AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL, TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. ALL PIPE BEDDING SHALL BE APWA CLASS "C", WITH THE EXCEPTIO OF PVC PIPE. 16. STEEL PIPE SHALL BE ALUMINIZED, OR GALVANIZED WITH ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE. 17. ALL DRAINAGE STRUCTURES, SUCH AS CATCH BASINS AND MANHOLES SHALL HAVE SOLID LOCKING LIDS. ALL DRAINAGE STRUCTURES ASSOCIATED WITH A PERMANENT RETENTION/DETENTION FACILITY SHALL HAVE SOLID LOCKING LIDS. 18. BUILDING AND OTHER STRUCTURES SHALL BE PLACED IN ACCORDANCE WITH TABLE 4.1 EASEMENT WIDTHS AND BUILDING SETBACKS LINES. C. PIPE MATERIAL SHALL CONFORM TO UNDERDRAIN SPECIFICATIONS DESCRIBED IN CHAPTER 4 OF THE SURFACE WATER DESIGN MANUAL AND, IF NON-METALLIC, THE PIPE SHALL BE PLACED IN A TRENCH WITH A TRACING WIRE ABOVE OR OTHER ACCEPTABLE DETECTION. D. PRIVATE DRAINAGE EASEMENTS ARE REQUIRED FOR DRAINAGE SYSTEMS DESIGNED TO CONVEY FLOWS THROUGH INDIVIDUAL LOTS. E. THE APPLICANT/CONTRACTOR IS RESPONSIBLE FOR COORDINATING THE LOCATIONS OF ALL STUB -OUT CONVEYANCE LINES WITH RESPECT TO OTHER UTILITIES (E.G. POWER, GAS, TELEPHONE, TELEVISION). F. ALL INDIVIDUAL STUB -OUTS SHALL BE PRIVATELY OWNED AND MAINTAINED BY THE LOT HOME OWNER. G. STORM DRAINAGE PIPE SYSTEMS SHALL NOT PENETRATE BUILDING FOUNDATIONS, EXCEPT FOR SUMP PUMP DISCHARGE LINES USED TO DRAIN CRAWL SPACES, PROVIDED THE SUMP PUMP SYSTEM INCLUDES BACKFLOW PREVENTION OR A CHECK VALVE. 23. ALL DISTURBED PERVIOUS AREAS (COMPACTED, GRADED, LANDSCAPED, ETC.) OF THE DEVELOPMENT SITE MUST DEMONSTRATE ONE OF THE FOLLOWING: THE EXISTING DUFF LAYER SHALL BE STAGED AND REDISTRIBUTED TO MAINTAIN THE MOISTURE CAPACITY OF THE SOIL, OR; AMENDED SOIL SHALL BE ADDED TO MAINTAIN THE MOISTURE CAPACITY. 24. PROOF OF LIABILITY INSURANCE SHALL BE SUBMITTED TO THE CITY PRIOR TO CONSTRUCTION PERMIT ISSUANCE. 25. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE CONTINUING LEGAL OBLIGATION AND/OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITY OF RENTON DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE SYTEM PROVIDED DURING CONSTRUCTION_ 26. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, ANDANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK. ANY WORK WITHIN THE TRAVELED RIGHT-OF-WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN APPROVED BY THE PUBLIC WORKS DEPARTMENT, TRANSPORTATION SYSTEMS DIVISION. ALL SECTIONS OF THE WSDOT STANDARD SPECIFICATIONS 1-07-23 TRAFFIC CONTROL SHALL APPLY. 27. PROJECT LOCATED WITHIN THE AQUIFER PROTECTION AREA (APA) SHALL COMPLY WITH SPECIAL REQUIREMENT #6 OF THE SURFACE WATER DESIGN MANUAL AND AQUIFER PROTECTION REGULATIONS (RMC 4-3-050). 19. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW STRUCTURAL NOTES PAVEMENT LEVEL. 1. THESE PLANS ARE APPROVED FOR STANDARD ROAD AND DRAINAGE UTILITY NOTE: THE CONTRACTOR SHALL CALL THE UTILITY LOCATION REQUEST CENTER IMPROVEMENTS ONLY. PLANS FOR STRUCTURES SUCH AS BRIDGES, (ONE CALL CENTER; 1-800-424-5555) FOR FIELD LOCATION OF UTILITIES. VAULTS, AND RETAINING WALLS REQUIRE A SEPARATE REVIEW AND THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION, APPROVAL BY THE CITY PRIOR TO CONSTRUCTION DIMENSION, AND DEPTH OF ALL EXISTING UTILITIES WITHIN THE PROJECT, WHETHER SHOWN ON THESE PLANS OR NOT. BY POTHOLING THE UTILITIES P. ANN AND SURVEYING THE VERTICAL AND HORIZONTAL LOCATION PRIOR TO 4� was Bq �� Was 2. ROCKERIES ARE CONSIDERED TO BE A METHOD OF BANK STABILIZATION CONSTRUCTION. ALL POTENTIAL UTILITY CONFLICTS SHALL BE POTHOLED A ��' �, °F �'I,y�C�' AND EROSION CONTROL. ROCKERIES SHALL NOT BE CONSTRUCTED TO MINIMUM OF FIVE WORKING DAYS IN ADVANCE OF ANY PIPELINE TRENCH `� y �z'y� SERVE AS RETAINING WALLS. ALL ROCKERIES IN CITY ROAD EXCAVATION. THE UTILITIES SHOWN ON THE PLANS ARE BASED UPON RIGHT-OF-WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH CITY AVAILABLE INFORMATION AND ARE SUBJECT TO VARIATION. IF CONFLICTS OCCUR THE CONTRACTOR SHALL CONSULT THE PROJECT ENGINEER TO Jew A; a STANDARDS. ROCKERIES OUTSIDE OF ROAD RIGHT-OF-WAY SHALL BE RESOLVE THE PROBLEM PRIOR TO PROCEEDING WITH CONSTRUCTION. �o •p 37338 cyw �o 38311 o w� CONSTRUCTED IN ACCORDANCE WITH THE INTERNATIONAL BUILDING CODE. rA v�'CISTEL� .�'cl' ISTEg� �ssIONAL F'�O SSIONAL F'A S B U I L T D 3 5 3 1 071, AS -BUILT SURVEY BY: EVAN vvffnxc ww im DAM WAH LSTROM, PLS#44651 HDMZ AL- W 1210/190' CITY OF 2/14/11 LAKE WASHINGTON BLVD NORTH B.P.B. F'e'°e°°"` Cray Osborne, Inco (INFORMED LAND SURVEY) DMWIt C.J.K. a RENTON STORM WATER & WATER MAIN { TUM ORWM NO: IMPROVEMENTS ;� CONSULTING ENGINEERS THE ORIGINAL PLANS WERE STAMPED S.A.C. FULL SCALE Public Works Dept. 701 DEXTER AVENUE NORTH SUITE 200 C STORM NOTES AND DETAILS SEATTLE, WASHINGTON 98109 (206) 284-0860 BY SC AND BB ON 2/14/ZO't1 & Zt15�2011 NO. REVISION BY DATE APPR A "0D0A0'�" SHM of B.P.B. 27 ' . I y � rr^^ V1 t� y biz a bd �z y W tTl z y