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Home My WebLink AboutS-3320050 0 \I `S LJ LJ 0_ U Z cl) < Z ~ z Q Q J W Q CD G� 0 Z LU r z W W � 0 Z Q n m 0 �z s o C 3 E'+ U z - D E� W a' 'v m rn c -v c a men is WATER GENERAL NOTES 1. ALL WORK MATERIAL SHALL BE IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON PLANNING /BUILDING /PUBLIC WORKS DEPARTMENT AND THE LATEST EDITION OF THE WSDOT /APWA STANDARDS AND SPECIFICATIONS, AS APPROVED AND MODIFIED BY THE CITY OF RENTON IN THE RENTON STANDARD PLANS & SPECIFICATIONS. A SET OF APPROVED PLANS SHALL BE KEPT ON SITE AT ALL TIMES DURING CONSTRUCTION. 2. THE HOURS OF WORK IN THE STREET RIGHT OF WAY SHALL BE LIMITED TO 8:30 AM TO 3:30 PM ON WEEKDAYS UNLESS OTHERWISE APPROVED IN WRITING BY THE DEPARTMENT OF PUBLIC WORKS AT 235 -2631. ALL STREET CLOSURES, PARTIAL OR FULL, SHALL BE APPROVED BY THE DEPARTMENT OF PUBLIC WORKS 73 HOURS IN ADVANCE. THE POLICE DEPARTMENT, FIRE DEPARTMENT, AND 911 SHALL BE NOTIFIED 24 HOURS IN ADVANCE OF ANY WORK IN THE RIGHT OF WAY. 3. ALL LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMATE AND IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO VERIFY THE TRUE AND CORRECT LOCATION SO AS TO AVOID DAMAGE OR DISTURBANCE. FOR UTILITY LOCATE CALL 48 -HOURS LOCATORS, 1- 800 -424 -5555, 4. ALL WATER MAIN PIPE TO BE CEMENT LINED DUCTILE IRON PIPE CONFORMING TO AWWA C110 AND C111 OR LATEST REVISION. THICKNESS CLASS 52. CEMENT MORTAR LINING AND SEAL COATING SHALL CONFORM TO AWWA C104 OR LATEST REVISION. PIPE JOINTS TO BE PUSH -ON OR MECHANICAL JOINT. BEDDING TO BE CLASS C. ALL DUCTILE IRON PIPE AND FITTINGS SHALL BE POLYETHYLENE WRAPPED PER ANSI /AWWA C105/A21.5 -93 STANDARDS. 5. CAST IRON AND DUCTILE IRON FITTINGS SHALL BE CEMENT LINED, PRESSURE RATED AS NOTED ON PLANS, AND IN ACCORDANCE WITH ANSI /AWWA C110/A21.10 -87. CEMENT LINING SHALL BE IN ACCORDANCE WITH ANSI /AWWA C104/A21.4 -90. IF FITTINGS ARE 3 INCHES TO 12 INCHES IN DIAMETER AND HAVE MECHANICAL JOINTS, THE FITTINGS SHALL BE IN ACCORDANCE WITH EITHER ANSI /AWWA C110/A21.10 -87 OR ANSI /AWWA C153/A21.53 -94. 3 INCH TO 12 INCH DIAMETER FITTINGS WHICH HAVE MECHANICAL JOINTS AND /OR FLANGED JOINTS SHALL BE IN ACCORDANCE WITH ANSI /AWWA C11o/A21.10.87 OR A COMBINATION OF ANSI /AWWA C110/A21.10.87 AND ANSI /AWWA C153/A21.53 -94 SUCH THAT THE PORTION OF THE FITTING WITH A MECHANICAL JOINT(S), MAY BE IN ACCORDANCE WITH ANSI /AWWA C153/A21.53 -94 AND THAT PORTION OF THE FITTING WITH FLANGED JOINT(S) SHALL BE IN ACCORDANCE WITH ANSI /AWWA C110/A21.10 -87. ACCEPTANCE TESTING IN ACCORDANCE WITH SECTION 53.53 OF ANSI /AWWA C153/A21.53 -94 OR WITH SECTION 10 -4.3 OF ANSI /AWWA C110/A21.10 -87 SHALL BE OBTAINED BY THE CONTRACTOR AND TRANSMITTED TO THE OWNER. 6. GATE VALVES SHALL BE IRON BODY, BRONZED- MOUNTED, DOUBLE DISC WITH BRONZE WEDGING DEV I CE AND O-RING STUFFING 60 X (AWWA C500 ) OR OF RESILIENT SEATED TYPE (AWWA C509) VALVES SHALL BE DESIGNED FOR A MINIMUM WATER OPERATING PRESSURE OF 200 PSI. GATE VALVES SHALL BE CLOW LIST 14, MUELLER COMPANY NO A2380, OR M & H. ALL VALVES 12" IN DIAMETER AND LARGER, SHALL BE INSTALLED IN A VAULT. SEE WATER STANDARD DETAIL FOR 12" GATE VALVE ASSEMBLY VAULT A N D 1" BYPASS INSTALLATION. 7. FIRE HYDRANTS SHALL BE COREY TYPE (OPENING WITH THE PRESSURE) OR COMPRESSION TYPE (OPENING AGAINST PRESSU R E) CONFORMING TO AWWA C- 502 -85 WITH A 6 INCH MECHANICAL JOINT INLET AND A MAIN VALVE OPENING (M.V.O.) OF 5 -1/4 INCHES, TWO 2 -1/2 INCH HOSE NOZZLES WITH NATIONAL STANDARD THREADS 7 -1/2 THREADS PER INCH AND ONE 4 INCH PUMPER NOZZLES WITH THE NEW SEA TT LE PATTERN 6 THREADS PER I N C H , 60 DEGREES V. THREADS, OUTSIDE DIAMETER OF M A LE TR EA D 4.875 AND ROOT DIAMETER 4.6263. HYD RAN TS SHALL HAVE A 1 -1/4" PENTAGON OPERATING NUT OPENED BY TURNING COUNTER CLOCKWISE (LEFT)_ THE TWO 2 -1/2" HOSE NOZZLES SHALL BE FITTED WITH CAST IRON THREADED CAPS WITH OPERATING NUT OF THE SAME DESIGN AND PROPORTIONS AS THE HYDRANT STEM NUT_ CAPS SHALL BE FITTED WITH SUITABLE NEOPRENE GASKETS FOR POSITIVE WATER TIGHTNESS UNDER TEST PRESSURES_ THE 4" PUMPER NOZZLE SHALL BE FITTED WITH A STORTZ ADAPTER, 4" SEATTLE THREAD 5 STORTZ. STORTZ ADAPTER SHALL BE FORGED AND /OR EXTRUDED 6061 -T6 ALUMINUM ALLOY, HARDCOAT ANODIZED. THREADED END PORTION SHALL HAVE NO LUGS AND 2 SET SCREWS 180 DEGREES APART. STORTZ FACE TO BE METAL, NO GASKET TO WEATHER, STORTZ CAP TO HAVE SYNTHETIC MOLDED RUBBER GASKET, AND SHALL BE ATTACHED TO HYDRANT ADAPTER WITH 1/8" COATED STAINLESS STEEL AIRCRAFT CABLE. FIRE HYDRANTS SHALL BE INSTALLED PER CITY OF RENTON STANDARD DETAIL FOR FIRE HYDRANTS, LATEST REVISIONS_ 8. ALL WATER MAIN 10 INCHES AND SMALLER TO MAINTAIN A MINIMUM COVER OF 36 INCHES BELOW FINISH GRADE. ALL WATER MAIN 12 INCHES AND LARGER SHALL BE AT A MINIMUM OF 48 INCHES BELOW FINISH GRADE. WHERE UTILITY CONFLICTS OCCUR, WATER MAINS ARE TO BE LOWERED TO CLEAR. 9. ALL WATER MAINS SIX (6) INCHES IN DIAMETER AND LARGER SHALL BE CLEANED WITH PIPE CLEANING "PIGS" PRIOR TO DISINFECTION. THE "POLY PIGS" SHALL BE GIRARD INDUSTRIES AQUA SWAB -AS OR APPROVED EQUAL, 2 LB /CU FT. DENSITY FOAM WITH 90A DUROMETER URETHANE RUBBER COATING ON THE REAR OF "PIG" ONLY. 'PIGS" SHALL BE CYLINDER SHAPED WITH BULLET NOSE OR SQUARE END. THE CITY WILL ASSIST THE CONTRACTOR WHO WILL PERFORM THE CLEANING OPERATION, A) ALL WATER MAINS AND SERVICES SHALL BE PRESSURE TESTED TO AMINIMUM OF 200 PSI OR 150 PSI OVER OPERATING PRESSURE, IN ACCORDANCE WITH THE SPECIFICATIONS OF THE CITY OF RENTON AND THE WASHINGTON STATE HEALTH DEPARTMENT, ALL PRESSURE TESTING SHALL BE DONE IN THE PRESENCE OF A REPRESENTATIVE OF THE CITY OF RENTON. THE QUANTITY OF WATER LOST FROM THE MAIN SHALL NOT EXCEED THE NUMBER OF GALLONS PER HOUR AS LISTED IN CITY OF RENTON STANDARD PLANS & SPECIFICATIONS 7-11.3(11). THE LOSS IN PRESSURE SHALL NOT EXCEED 5 PSI DURING THE 2 HOUR TEST PERIOD. B) ALL WATER MAINS AND SERVICES SHALL BE DISINFECTED BY THE INJECTION OF A 50 PPM (MINIMUM CONCENTRATION) CHLORINE /WATER SOLUTION. DRY CALCIUM HYPOCHLORITE SHALL NOT BE PLACED IN THE PIPE AS LAID. CHLORINE SHALL BE METERED /INJECTED IN ACCORDANCE WITH SECTION 7- 11,3(12)E OR 7- 11.3(12)F OF THE STANDARD SPECIFICATIONS REFERENCED IN 1 ABOVE. 10. A PRECONSTRUCTION CONFERENCE IS REQUIRED PRIOR TO ANY CONSTRUCTION. A MINIMUM OF 3 (THREE) WORKING DAYS NOTICE IS REQUIRED FOR SCHEDULING. PRIOR TO SCHEDULING THE PRECON A PERMIT INFORMATION SHEET MUST BE SUPPLIED TO THE UTILITY ENGINEER'S OFFICE. TWENTY -FOUR HOUR NOTICE WILL BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. 11. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR TO STARTING CONSTRUCTION. 12. INSTALLATION OF CORPORATE STOPS, WATER SERVICES, LINES AND METERS SHALL NOT BE DONE UNTIL ALL SERVICE AGREEMENTS, METER APPLICATIONS, CONSTRUCTION PERMITS, AND PAYMENT OF FEES HAVE BEEN MADE TO THE CITY OF RENTON. 13. ALL CONNECTION TO EXISTING MAINS TO BE ACCOMPLISHED BY THE CITY OF RENTON, EXCEPT WET TAPS WHICH MAY BE MADE BY APPROVED WET TAP CONTRACTORS WITH PRIOR APPROVAL FROM THE DEPARTMENT OF PUBLIC WORKS, ALL NECESSARY EXCAVATION AND MATERIALS TO BE SUPPLIED BY THE CONTRACTOR AND BE ON -SITE PRIOR TO CITY NOTIFICATIONS. 14. INSPECTION WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY OF RENTON. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY DEVELOPMENT SERVICES 24 HOURS IN ADVANCE OF BACKFILLING ALL CONSTRUCTION. THE CONTRACTOR AS WELL AS THE ENGINEERS SHALL KEEP AS -BUILT DRAWINGS. 1/4, 16. CONTRACTOR TO PROVIDE PLUGS AND TEMPORARY BLOW -OFF ASSEMBLIES FOR TESTING AND PURITY ACCEPTANCE PRIOR TO FINAL TIE -1N. 16. ALL JOINT RESTRAINT SYSTEMS (SHACKLE RODS, NUTS, BOLTS, ETC.) SHALL BE AS MANUFACTURED BY THE STAR MANUFACTURING COMPANY OF COLUMBUS OHIO OR EQUAL APPROVED IN WRITING BY THE DEPARTMENT OF PUBLIC WORKS. 17. ASPHALT AND CONCRETE .STREET PAVING. SHALL BE SAWCUT TO A MINIMUM DEPTH OF TWO INCHES. OIL MAT STREETS MAY :BE SPADE CUT. ALL SURFACE CONCRETE, PAVEMENT, SIDEWALKS, CURB, GUTTERS, AND DRIVEWAY APPROACHES SHALL BE SAWCUT TO A MINIMUM DEPTH OF TWO INCHES OR REMOVED TO AN EXISTING EXPANSION JOINT. 18. A TEMPORARY COLD MIX ASPHALT PATCH SHALL BE PLACED ON THE DAY OF INITIAL EXCAVATION WITH A PERMANENT, SEALED PATCH TO BE PLACED, TO CITY OF RENTON POLICY, WITHIN TEN DAYS. CALL FOR SUBGRADE INSPECTION PRIOR TO PLACEMENT OF FINAL PATCH. " 19. FOR CITY PROJECTS SUCH AS TELEMETRY CONDUIT, THE PVC PIPE USED SHALL BE SCHEDULE 40 IN UNIMPROVED AREAS AND SCHEDULE 80 UNDER IMPROVED AREAS. ALL CHEMICAL PROCESS LINES SHALL BE SCHEDULE 80 PVC PIPE. SEWER GENERAL NOTES 1. ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON UTILITY DEPARTMENT AND THE LATEST EDITION OF THE WSDOT /APWA STANDARDS AND SPECIFICATIONS_ 2. THE HOURS OF WORK IN THE STREET RIGHT OF WAY SHALL BE LIMITED TO 8:30 A.M. TO 3:30 P-M: ON WEEKDAYS- UNLESS OTHERWISE APPROVED IN WRITING BY THE PLANNING /BUILDING /PUBLIC WORKS DEPARTMENT AT 235 -2620. ALL STREET CLOSURES, PARTIAL OR FULL, SHALL BE APPROVED BY THE PLANNING /BUILDING /PUBLIC WORKS DEPARTMENT 72 HOURS IN ADVANCE_ THE POLICE DEPARTMENT, FIRE DEPARTMENT, AND .911 SHALL BE NOTIFIED 24 HOURS IN ADVANCE OF ANY WORK IN THE RIGHT OF WAY_ _ 3.: ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH "STANDARD SPECIFICATIONS FOR MUNICIPAL ..PUBLIC WORKS CONSTRUCTION" .'PREPARED .BYWASHINGTON STATE CHAPTER AMERICAN PUBLIC WORKS ASSOCIATION, LATEST EDITION (APWA) AND CITY OF RENTON STANDARD SPECIFICATIONS_ 4. ALL LOCATIONS. OF EXISTING UTILITIES SHOWN ARE APPROXIMATE AND IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO VERIFY THE TRUE AND CORRECT LOCATION SO AS TO AVOID DAMAGE OR DISTURBANCE_ 5. A PRECONSTRUCTION CONFERENCE AND A 24 HOUR NOTICE SHALL BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR TO STARTING CONSTRUCTION. (INSPECTION I LL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY OF RENTON. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE UTILITY DEPARTMENT 24 HOURS IN ADVANCE OF BACKFILLING ALL CONSTRUCTION. THO A F CONSTRUCTION 6. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS AND 0 CON N A FOR THE SAFETY F WORKERS A OTHERS R O THE CONSTRUCTION SITE. AND 0 E SA E 0 WO E S ND 0 E S N N N. 7. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET USE AND ANY OTHER RELATED PERMITS PRIOR TO ANY CONSTRUCTION. B. PLANS APPROVED BY THE CITY OF RENTON, PUBLIC WORKS DEPARTMENT, SHALL TAKE PRECEDENCE OVER ALL OTHER PLANS. - 9. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 10, THE CONTRACTOR SHALL PROVIDE .THE CITY OF RENTON WITH AN AS -BUILT DRAWING OF THE SANITARY SEWER SYSTEM WHICH HAS BEEN STAMPED AND SIGNED BY A LICENSED PROFESSIONAL ENGINEER OR LICENSED PROFESSIONAL SURVEYOR. 11. BACKFILL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE IN LAYERS WITH A LOOSE AVERAGE DEPTH OF 6 INCHES, MAXIMUM DEPTH OF 8 INCHES, THOROUGHLY TAMPING EACH LAYER TO 95 PERCENT OF MAXIMUM DENSITY. THESE COMPACTED LAYERS MUST EXTEND FOR ONE PIPE DIAMETER ON EACH SIDE OF THE PIPE OR TO THE SIDE OF THE TRENCH, MATERIALS TO COMPLETE THE FILL OVER PIPE SHALL BE THE SAME AS DESCRIBED. 12. OPEN CUT ROAD CROSSINGS. FOR UTILITY TRENCHES ON EXISTING TRAVELED ROADWAY SHALL BE BACKFILLED WITH CRUSHED ROCK AND MECHANICALLY COMPACTED. CUTS INTO THE EXISTING ASPHALT .SHALL BE NEATLINE CUT WITH .SAW IN A CONTINUOUS LINE. A TEMPORARY MIX PATCH MUST BE PLACED IMMEDIATELY AFTER BACKFILL AND COMPACTION. A PERMANENT HOT MIX PATCH SHALL BE PLACED WITHIN 10 DAYS AND SHALL BE PER CITY OF RENTON CURRENT STANDARDS. 13. DATUM SHALL BE CITY OF RENTON, U.S.C. AND G.S. 14, ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR OTHERWISE STABILIZED TO THE SATISFACTION OF THE DEPARTMENT FOR THE PREVENTION OF ON -SITE EROSION AFTER THE COMPLETION OF CONSTRUCTION.. 16, ALL PIPE AND APPURTENANCES SHALL BE LAID ON PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7- 02.3(1). OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR 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, PIPE BEDDING SHALL BE PEA GRAVEL 6 "ABOVE AND BELOW THE PIPE.. 16. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3034, SDR 35, OR DUCTILE IRON CLASS 50. 17, IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCH AND MAXIMUM 18 INCH ABOVE FINISHED GRADE. IN PAVED AREA, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING, 5 E., W.M. STORM DRAINAGE GENERAL NOTES I- BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE - CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON PLAN REVIEWER, 2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE "1994 STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION" PREPARED BY W.S.D.O.T., AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS. 3_ THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE IN THE DEPARTMENT OF PUBLIC WORKS_ ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS OR SURFACE WATER UTILITY. 4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 5. DATUM SHALL BE NAVD 88. UNLESS OTHERWISE APPROVED BY CITY OF RENTON DEPARTMENT OF PUBLIC WORKS_ REFERENCE BENCHMARK AND ELEVATION ARE NOTED ON THE PLANS. 6. 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, 7. ALL RETENTION /DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE DEPARTMENT OF PUBLIC WORKS, SURFACE WATER UTILITY. 8. GRASS SEED MAY BE APPLIED BY HYDROSEEDING., THE GRASS SEED MIXTURE, OTHER THAN CITY OF RENTON APPROVED 'STANDARD MIXES, SHALL BE SUBMITTED BY A LANDSCAPE ARCHITECT AND APPROVED BY THE DEPARTMENT OF PUBLIC WORKS, SURFACE WATER UTILITY, 9. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7- 02.3(1) OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION, THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR 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 EXCEPTION OF PVC PIPE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 95% FOR PAVEMENT AND STRUCTURAL FILL AND 90% OTHERWISE PER ASTM D- 1667 -70. PEA GRAVEL BEDDING SHALL BE 6" OVER AND UNDER P.V.C. PIPE, 10. GALVANIZED STEEL.PIPE AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHAL T T REA T ME N T #1 OR BETTER INSIDE AND D OUTSIDE. 11, STRUCTURES SHALL NOT BE PERMITTED WITHIN 1 0 FEET OF THE SPRING LINE OF ANY STORM DRAINAGE PIPE OR 16 FEE T F RO M THE TOP OF ANY CHA NN EL BANK. K. 12. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL. I T 13, OPEN CUT ROAD CROSSINGS THROUGH EXISTING PUBLIC RIGHT OF WAY WILL NO BE ALLOWED UNLESS SPECIFICALLY APPROVED BY THE CITY OF RENTON ADMINISTRATOR, DEPARTMENT OF PLANNING /BUILDING /PUBLIC WORKS. 14, ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A DEPTH OF i FOOT AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4 "- 8 "/40 % -70% PASSING; 2 " -4" ROCK /30 % -40% PASSING; AND -2" ROCK /10 % -20% PASSING. 15. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS APPROVED BY THE DEPARTMENT OF DEVELOPMENT SERVICES, PLAN REVIEWER OR SURFACE WATER UTILITY. AN ACCURATELY DIMENSIONED CERTIFIED AS -BUILT DRAWING OF THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY OF RENTON UPON COMPLETION. 16. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMIT 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 SYSTEM PROVIDED DURING CONSTRUCTION. 17, THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFT, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACT, ANY WORK WITHIN THE TRAVELED RIGHT OF WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE AN APPROVED TRAFFIC CONTROL PLAN BY THE TRAFFIC ENGINEERING DIVISION OF THE DEPARTMENT OF PUBLIC WORKS, ALL SECTIONS OF THE W.S,D.O.T. STANDARD SPECIFICATIONS 1- 07 -23, TRAFFIC CONTROL, SHALL APPLY. 18, SPECIAL DRAINAGE. MEASURES WILL BE REQUIRED IF THE PROJECT LOCATION IS WITHIN THE AQUIFER PROTECTION AREA (APA). 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