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HomeMy WebLinkAboutTED4003417.8SURFACE WA TER DRAINAGE NOTES AND SPECIMA 71ONS WA TER U 11LI TY NO TES AND SPECIF/CA 710NS SANI TAR SEWER NOTES AND SPECIFICA 710NS EROSION CONTROL NOTES �W THESE NOTES SHALL APPEAR ON PROJECTS FOR THE SURFACE WATER U77LITY. 1. BEFORE ANY CONSTRUC7ION OR DEVELOPMENT AC77W TY OCCURS, A PRE- CONS 7RUC 77ON MEE77NG MUST BE HELD WI7H THE CITY OF RENTON PLAN REVIEWER. 2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE 1996 STANDARD SPEC/FICA77ONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY WSDOT AND THE AMER/CAN PUBLIC WORKS ASSOCIA77ON (APWA), AS AMENDED BY THE CITY OF RENTON PUBLIC WORKS DEPARTMENT. 3. THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS, WHICH ARE ON FILE /N THE PUBLIC WORKS DEPARTMENT. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SEC770N. 4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SI7E WHENEVER CONSTRUCT70N IS IN PROGRESS. 5.DATUM SHALL BE NA VD 88 UNLESS 077-IERWISE APPROVED BY THE CITY OF RENTON PUBLIC WORKS DEPARTMENT. REFERENCE BENCHMARK AND ELEVAT70NS ARE NOTED ON THE PLANS. 6. ALL SEDIMENTA770N/EROSION FACILITIES MUST BE /N OPERA7ON PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY MUST BE SA 77SFACTORIL Y MAINTAINED UNTIL CONSTRUCTION /S COMPLETED AND THE POTEN71AL FOR ON -SITE EROSION HAS PASSED. 7. ALL RE7EN770N/DE7EN77ON FACILITIES MUST BE INSTALLED AND /N OPERATION PRIOR TO OR IN CONJUNCT70N Wl774 ALL C0NS7RUCT7ON ACTIVITY UNLESS OTHERWISE APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE WATER U77LITY SECTION. 8. GRASS SEED MAY BE APPLIED BY HYDROSEEDING. THE GRASS SEED MIXTURE, 0774ER THAN CITY OF RENTON APPROVED STANDARD MIXES, SHALL BE SUBMITTED BY A LANDSCAPE ARCHITECT AND APPROVED BY 7HE PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION. 9. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION /N ACCORDANCE WITH SEC77ON 7-02.3(1) OF 774E CURRENT STATE OF WASHINGTON STANDARD SPECIFICA77ON FOR ROAD AND BRIDGE CONS TRUC 770N. 7H/S 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 7HE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. ALL PIPE BEDDING SHALL BE APWA CLASS "Cl, WITH THE EXCEPTION OF PVC PIPE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 95% FOR PAVEMENT AND STRUCTURAL FILL AND 907. OTHERWISE PER ASTM D-1557-70. PEA GRAVEL BEDDING SHALL BE 6 INCHES OVER AND UNDER PVC PIPE. 10. GALVANIZED STEEL PIPE AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE. 11. STRUCTURES SHALL NOT BE PERMITTED WITHIN 10 FEET OF THE SPRING LINE OF ANY STORM DRAINAGE PIPE, OR 15 FEET FROM THE TOP OF ANY CHANNEL BANK. 12. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL. 13. OPEN CUT ROAD CROSSINGS THROUGH EXIS77NG PUBLIC RIGHT OF WAY WILL NOT BE ALLOWED UNLESS SPECIFICALLY APPROVED BY CITY OF REN TON PLANNING/BUILDING/PUBLIC WORKS ADMINISTRATOR. 14. ROCK FOR EROSION PROTECTI0N OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A DEPTH OF ONE (1) FOOT AND MUST MEET THE FOLLOWING SPECIFICATIONS.• 4 - 8 INCH ROCK / 40 - 70% PASSING; 2 - 4 INCH ROCK / 30 - 40% PASSING, • AND LESS THAN 2 INCH ROCK / 10 - 207. PASSING. 15. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS APPROVED BY THE CITY PLAN REVIEWER OR SURFACE WATER UTILITY SECTION. AN ACCURATELY DIMENSIONED, CER77FIED AS -BUILT DRAWING OF THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY UPON COMPLETION. 16. ISSUANCE OF THE BUILDING OR CONSTRUC77ON PERMITS BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE CONTINUING LEGAL OBL/GAT70N AND/OR LIABILITY CONNECTED WI TH STORM SURFACE WA TER DISPOSI770N. FURTHER, 774E Cl TY OF RENTON DOES NOT ACCEPT ANY OBL/GA77ON FOR THE PROPER FUNCT70NING AND MAINTENANCE OF THE SYSTEM PROVIDED DURING CONSTRUCTION. I Z THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUA IF SAFEGUARD, SAFETY DEVICES, PR07EC77VE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED AC77ONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY /N CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY 774E CONTRACT. ANY WORK W777-1/N THE TRAVELED RIGHT OF WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A 7RAFFIC CONTROL PLAN APPROVE BY 7HE PUBLIC WORKS DEPARTMENT, TRANSPORTATION SYSTEMS DIVISION. ALL SECTIONS OF THE WSDOT STANDARD SPECIFICA77ONS 1-07-23 TRAFFIC CONTROL SHALL APPLY. 18. SPECIAL DRAINAGE MEASURES WILL BE REQUIRED /F THE PROJECT LOCA77ON /S WITHIN THE AQUIFER PROTECTION AREA (APA). BLUELINE 0 2007 THE BLUELINE GROUP 0 N J. o. o Z�� S O g�a � CD o ii Z (n Z w m 32126 STER``�C;� /ONAL E� Z EXPIRES_ 5/5/10 a THESE NOTES SHALL APPEAR ON PROJECTS FOR THE WATER UTILITY. 1. ALL WORK MATERIAL SHALL BE IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE CITY OF REN TON PLANNING/BUILDING/PUBLIC WORKS DEPARTMENT AND THE LATEST EDITION OF THE WSDOT/APWA STANDARDS AND SPECIFICATIONS, AS APPROVED AND MODIFIED BY THE CITY OF REN TON IN THE REN TON STANDARD PLANS & SPECIFICATIONS A SET OF APPROVED PLANS SHALL BE KEPT ON SITE AT ALL 77MES DURING CONSTRUCTION. 2. 774E HOURS OF WORK /N THE STREET RIGHT OF WAY SHALL BE LIMITED TO 8. 30 AM TO J.•30 PM ON WEEKDAYS UNLESS OTHERWISE APPROVED /N WR/77NG BY THE PUBLIC WORKS DEPARTMENT AT (425) 430-7301. THE POLICE DEPARTMENT, FIRE DEPARTMENT, AND 911 SHALL BE NO77FIED 24 HOURS IN ADVANCE OF ANY WORK /N THE RIGHT OF WAY. J. ALL LOCATIONS OF EXIS77NG UTILITIES SHOWN ARE APPROXIMATE AND IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO VERIFY 7HE TRUE AND CORRECT LOCA77ON SO AS TO AVOID DAMAGE OR DISTURBANCE. FOR UTILITY LOCATES CALL 48-HOUR LOCATORS 800-424-5555. 4. AN APPROVED TRAFFIC CONTROL PLAN /S REQUIRED TO BE SUBMI TIED A T THE PRE- CONS TRUC7ION MEETING. 5.ALL WATERMA/N PIPE IS TO BE CEMENT LINED DUCTILE IRON PIPE CONFORMING TO AWWA C110 AND C111 OR LATEST REVISION, THICKNESS CLASS 52. CEMENT MORTAR LINING AND SEAL COA77NG 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. 6. CAST IRON AND DUC77LE IRON FITTINGS SHALL BE CEMENT LINED, PRESSURE RATED AS NOTED ON PLANS, AND /N ACCORDANCE WITH ANSI/AWWA C110/A21.10-87. CEMENT LINING SHALL BE /N ACCORDANCE W/7H ANSI/AWWA C104/421/4-90. IF FITTINGS ARE 3 TO 12 INCHES 1N DIAMETER AND HA VE MECHANICAL JOINTS, THE F/ TT/NGS SHALL IN ACCORDANCE WI TH EI THER ANSI/AWWA C110-A21.10-87 OR ANSI/AWWA C153/A21.53-94. THREE (3) INCH TO 12 INCH DIAMETER FITTINGS, WHICH HAVE MECHANICAL JOINTS AND/OR FLANGED JOINTS, SHALL BE IN ACCORDANCE WITH ANSI/AWWA C110/A21.10.87 OR A COMBINAT70N OF ANSI/AWWA C110/A21.10.87 AND ANSI/AWWA C153/A21.53-94 SUCH THAT THE PORT70N OF THE FIT77NG WITH A MECHANICAL JOINT(S) MAYBE WITH ANSI/AWWA C 153/A21. 53- 94 AND THAT POR 77ON OF THE F/ T77NG WITH FLANGED JOINT(S) SHALL BE /N ACCORDANCE WITH A WWA C110/A21,10-8Z ACCEPTANCE TES77NG /N ACCORDANCE WITH SECT70N 53.53 OF ANSI/AWWA SECTION 10-4.3 OF ANSI/AWWA C110/A21.10-87 SHALL BE OBTAINED BY THE CONTRACTOR AND TRANSMITTED TO THE OWNER. 7. GATE VALVES SHALL BE IRON BODY, BRONZED -MOUNTED, DOUBLE DISC WITH BRONZE WEDGING DEVICE AND 0-RING STUFFING BOX (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. 8. FIRE HYDRANTS SHALL BE COREY TYPE (OPENING WITH THE PRESSURE) OR COMPRESSION TYPE (OPENING AGAINST PRESSURE) 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 INCH, TWO 2-1/2 INCH HOSE NOZZLES WITH NATIONAL STANDARD THREADS 7-1/2 THREADS PER INCH AND ONE 4 INCH PUMPER NOZZLE WITH THE NEW SEATTLE PATTERN 6 THREADS PER INCH, 60 DEGREES V. THREADS. OUTSIDE DIAMETER OF MALE THREAD 4.875 AND ROOT DIAMETER 4.6263. HYDRANTS SHALL HAVE A 1-1/4 INCH PENTAGON OPERA7ING NUT OPENED BY TURNING COUNTER CLOCKWISE (LEFT). 9. THE TWO 2-1/2 INCH HOSE NOZZLES SHALL BE FITTED WITH CAST IRON THREADED CAPS WITH OPERA7ING NUT OF THE SAME DESIGN AND PROPORTIONS AS THE HYDRANT STEM NUT. CAPS SHALL BE FITTED W77H SUITABLE NEOPRENE GASKETS FOR P0977VE WATER 77GH7NESS UNDER TEST PRESSURES. 10. THE 4 INCH PUMPER NOZZLE SHALL BE FITTED WITH A STORZ ADAPTER, 4 INCH SEATTLE THREAD X 5 INCH STORZ. STORZ ADAPTER SHALL BE FORGED AND/OR EXTRUDED 6061- T6 ALUMINUM ALLOY, HARDCOAT ANODIZED. THREADED END PORT70N SHALL HAVE NO LUGS AND TWO SET SCREWS 180 DEGREES APART. STORZ FACE TO BE METAL, NO GASKET TO WEATHER. STORZ CAP TO HAVE SYNTHETIC MOLDED RUBBER GASKET, AND SHALL BE ATTACHED TO HYDRANT ADAPTER WITH 1/8 INCH, COATED, STAINLESS STEEL, AIRCRAFT CABLE. 11. FIRE HYDRANTS SHALL BE PAINTED WI7H TWO COATS OF PAINT. PRESERVATIVE PAINT NUMBER 43-655 SAFETY YELLOW OR APPROVED EQUAL. 12 PUMPER CONNECTION TO FACE ROADWAY ASSEMBLY. 13 FIRE HYDRANTS SHALL BE INSTALLED PER CITY OF RENTON STANDARD DETAIL FOR FIRE HYDRANTS, LATEST REVISION. 14. ALL WATERMAINS 10 INCHES AND SMALLER TO MAINTAIN A MINIMUM COVER OF 36 INCHES BELOW FINISH GRADE. ALL WATERMA/N 12 INCHES AND LARGER SHALL BE AT A MINIMUM OF 48 INCHES BELOW FINISH GRADE. WHERE UTILITY CONFLICTS OCCUR, WATERMA/NS ARE TO BE LOWERED TO CLEAR. 15. ALL WATERMA/NS 6 INCHES AND LARGER IN DIAMETER SHALL BE CLEANED WITH PIPE CLEANING "PIGS" PRIOR TO DISINFEC770N. 7HE "POLY PIGS" SHALL BE GIRARD INDUSTRIES AQUA SWAB -AS OR APPROVED EQUAL, 2 LB/CU. FT. DENSITY FOAM WITH 90A DUROMETER URETHANE RUBBER COA 77NG ON THE REAR OF "PIG " ONL Y. 16. "PIGS" SHALL BE CYLINDER SHAPED WITH BULLET NOSE OR SQUARE END. THE CONTRACTOR WILL PERFORM THE CLEANING OPERA RCN. 17. ALL WATERMAINS AND SERVICES SHALL BE PRESSURE TESTED TO A MINIMUM OF 200 PSI OR 150 PSI OVER OPERA7ING PRESSURE, IN ACCORDANCE WITH THE SPECIF/CA77ONS OF THE CITY OF REN TON AND THE WASHING TON STATE HEALTH DEPARTMENT. ALL PRESSURE 7ES77NG SHALL BE DONE /N THE PRESENCE OF A REPRESENTATIVE OF THE CITY OF RENTON. THE QUAN77TY OF WATER LOST FROM THE MAIN SHALL NOT EXCEED THE NUMBER OF GALLONS PER HOUR AS LISTED /N CITY OF RENTON STANDARD PLANS & SPECIFICATIONS 7-11.3(11). THE LOSS /N PRESSURE SHALL NOT EXCEED 5 PSI DURING THE 2 HOUR TEST PERIOD. 1& ALL WATERMAINS AND SERVICES SHALL BE DISINFECTED BY THE INJECTION OF A 50 PPM (MINIMUM CONCENTRATION) CHLORINE/WATER SOLUTION. DRY CALCIUM HYPOCHLOR/TE SHALL NOT BE PLACED /N THE PIPE AS LAID. CHLORINE SHALL BE METERED/INJECTED /N ACCORDANCE WITH SECT70N 7-11.3(12)E OR 7-11.3(12)F OF THE STANDARD SPECIFICA7IONS REFERENCED ABOVE. 19. A PRE -CONSTRUCTION CONFERENCE /S REQUIRED PRIOR TO ANY CONSTRUCTION. A MINIMUM OF FIVE (5) WORKING DAYS NOTICE /S REQUIRED FOR SCHEDULING. 20. TWENTY-FOUR (24) HOURS N077CE WILL BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. 21. IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR TO STAR77NG CONSTRUCTION. 22. INSTALLA 77ON OF CORPORATE STOPS, WATER SERVICES, LINES AND METERS SHALL NOT BE DONE UN77L ALL SERVICE AGREEMENTS, METER APPLICATIONS, CONSTRUCTION PERMITS, AND PA YUENT OF FEES HAVE BEEN MADE TO 7HE CITY OF RENTON 23. ALL CONNECTION TO EXISTING MAINS /S 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 PUBLIC WORKS DEPARTMENT. ALL NECESSARY EXCAVAT70N AND MATERIALS ARE TO BE SUPPLIED BY THE CONTRACTOR AND BE ON -SITE PRIOR TO CITY NOTIFICATIONS. 24. INSPEC 77ON WILL BE ACCOMPLISHED BY A REPRESENTA7IVE OF THE CITY OF REN TON. IT SHALL BE 7HE CONTRACTORS RESPONSIBILITY TO NOTIFY DEVELOPMENT SERVICES TWENTY FOUR (24) HOURS /N ADVANCE OF BACKFILLING ALL CONSTRUCTION. THE CONTRACTOR, AS WELL AS THE ENGINEERS, SHALL KEEP AS -BUILT DRAWINGS. 25. CONTRACTOR TO PROVIDE PLUGS AND TEMPORARY BLOW -OFF ASSEMBLIES FOR TES77NG AND PURITY ACCEPTANCE PRIOR TO FINAL TIE-IN. 26.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 774E PUBLIC WORKS DEPARTMENT. 2ZASPHALT AND CONCRETE' STREET PAVING SHALL BE SAWCUT TO A MINIMUM DEPTH OF TWO (2) 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 (2) INCHES OR REMOVED TO AN EXIS77NG EXPANSION JOINT. 28.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 10 DAYS. CALL FOR SUBGRADE INSPECTION PRIOR TO PLACEMENT OF FINAL PATCH. 29.FOR CITY PROJECTS SUCH AS TELEMETRY CONDUIT, THE PVC PIPE USED SHALL BE ALL CHEMICAL PROCESS LINES SHALL BE SCHEDULE 80 PVC PIPE. SCHEDULE 40 IN UNIMPROVED AREAS AND SCHEDULE 80 PVC PIPE UNDER IMPROVED AREAS. AS"BLJILT AS -BUILT I *vP REVISION W: THESE NOTES SHALL APPEAR ON PROJECTS FOR THE SANITARY SEWER UTILITY. 1. ALL WORK AND WORK MATERIAL SHALL BE /N CONFORMANCE WITH THE STANDARDS AND SPEC/F/CAT70NS OF THE CITY OF REN TON 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 /N THE RENTON STANDARD PLANS & SPECIFICATIONS. A SET OF APPROVED PLANS SHALL BE KEPT ON S/7E AT ALL TIMES DURING CONSTRUCTION. 2. 774E HOURS OF WORK 1N THE STREET RIGHT OF WAY SHALL BE PER Cl TY SPEC/F/CAT70NS ON WEEKDAYS UNLESS OTHERWISE APPROVED /N WR/77NG BY THE PLANNING/BUILDING/PUBLIC WORKS DEPARTMENT. AN APPROVED TRAFFIC CONTROL PLAN MUST BE OBTAINED PRIOR TO BEGINNING ANY WORK WITHIN PUBLIC RIGHT OF WAY. 3.ALL LOCAT70NS OF EXISTING U77L/T7ES SHOWN ARE APPROXIMATE AND IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO VERIFY THE TRUE AND CORRECT LOCATION SO AS TO AVOID DAMAGE OR DISTURBANCE. 4. A PRE -CONSTRUCTION CONFERENCE AND A 24 HOUR N077CE SHALL BE REQUIRED PRIOR TO STAR77NG NEW CONSTRUCTION. IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR TO STAR77NG CONSTRUCTION. (IN5PEC710N WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY OF REN TON.) IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO NOT7FY THE PUBLIC WORKS INSPECTOR 24 HOURS /N ADVANCE OF BACKFILLING ALL CONSTRUCTION. 5.CON TRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS AND SEQUENCES OF CONSTRUCTION AND FOR THE SAFETY OF WORKERS AND OTHERS ON THE CONS7RUC7ION SITE: 6.1T SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET USE AND ANY 07HER RELATED PERMITS PRIOR TO ANY CONSTRUCTION. 7. PLANS APPROVED BY THE CITY OF RENTON, PUBLIC WORKS DEPARTMENT SHALL TAKE PRECEDENCE OVER ALL OTHER PLANS. 8. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 9. 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. 10. 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. 11. OPEN CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXIS77NG IRA VELED ROADWAY SHALL BE BACKFILLED WITH CRUSHED ROCK AND MECHANICALLY COMPACTED UNLESS OTHERWISE APPROVED BY 774E PUBLIC WORKS INSPECTOR. CUTS INTO THE EXIS77NG ASPHALT SHALL BE NEATLINE CUT WITH SAW IN A CONTINUOUS LINE. A TEMPORARY MIX PATCH MUST BE PLACED IMMEDIATELY AFTER BACKFILL AND COMPAC770N. A PERMANENT HOT MIX PATCH SHALL BE PLACED WITHIN 10 DAYS AND SHALL BE PER CITY OF REN TON CURRENT STANDARDS. 12. DA TUM SHALL BE CITY OF RENTON, 1988 NA VD. 13. ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR 0774ERWSE STABILIZED TO THE SATISFACTION OF THE DEPARTMENT FOR THE PREVEN77ON OF ON -SITE EROSION AFTER THE COMPLETION OF CONSTRUCTION. 14. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDA7ION /N ACCORDANCE WITH THE STANDARDS AND SPECIF/CA77ONS OF THE CITY OF RENTON PLANNING/BUILDING/PUBLIC WORKS DEPARTMENT AND THE LATEST ED177ON OF THE WSDOT/APWA STANDARDS AND SPECIFICATIONS, AS APPROVED AND MODIFIED BY THE CITY OF RENTON IN THE RENTON STANDARD PLANS & SPECIFICATIONS 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 EN77RE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. PIPE BEDDING SHALL BE PEA GRAVEL 6 INCHES ABOVE AND BELOW THE PIPE. 15. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3034, SDR 35, OR DUC77LE IRON CLASS 50, UNLESS OTHERWISE APPROVED BY THE WASTEWATER U77LITY. 16. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCHES AND MAXIMUM 12 INCHES ABOVE FINISHED GRADE OR MUST HAVE MINIMUM 2' DIAMETER CONCRETE RING POURED AT GRADE. 1N PAVED AREA, COVER MUST SLOPE /N ALL DIREC77ONS TO MATCH PAVING. DATE I APPR SURVEYED: PROJECT MANAGER: BRIAN J. DARROW, PE PROJECT ENGINEER: NICOLE HERNANDEZ, PE PROJECT DESIGNER: JORDAN M. AL-KAHTANI ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY VERTICAL NAVD 1988 HORIZONTAL NAD 1983/1991 DATUM THESE NOTES SHALL APPEAR FOR ALL PROJECTS - S17E IMPROVEMENTS, SURFACE WATER UTILITY, WASTEWATER U77LITY, WATER U77LITY, AND TRANSPORTATION PLANS: 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT AC77VITY OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON, PUBLIC WORKS DESIGN ENGINEER. 2.ALL LIMITS OF CLEARING AND AREAS OF VEGETA77ON PRESERVA77ON AS PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING CONSTRUCTION. 3.ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACIL177ES MUST BE CONSTRUCTED AND /N OPERATION PRIOR TO LAND CLEARING AND/OR CONS TRUC77ON TO ENSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER THE NATURAL DRAINAGE SYSTEM. ALL EROSION AND SEDIMENT FAC/L/77ES SHALL BE MAINTAINED IN A SATISFACTORY COND177ON UN77L SUCH 77ME THAT CLEARING AND/OR CONSTRUCTION /S COMPLETE AND P07EN77AL FOR ON -SITE EROSION HAS PASSED. THE IMPLEMENTA77ON, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION/SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMITEE, 4. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET AN77CIPATED SITE CONDITIONS AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDI7IONS DICTA7E THE PERM/TEE SHALL AN77CIPATE THAT MORE EROSION AND SED/MEN TA77ON CONTROL FACILI7ES WILL BE NECESSARY TO ENSURE COMPLETE SILTATION CONTROL ON 7HE PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGA77ON AND RESPONSIBILITY OF THE PERM/TEE TO ADDRESS ANY NEW CONDIT70NS THAT MAY BE CREATED BY 7HE ACT7WT/ES AND TO PROVIDE ADD177ONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PR07ECT ADJACENT PROPERTIES AND WATER QUALITY OF 77-IE RECE/117NG DRAINAGE SYSTEM, 5.APPROVAL OF THIS PLAN IS FOR EROSION/SEDIMENTAT70N CON7ROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCAT70N OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES. &DURING THE TIME PERIOD OF OCTOBER 1ST THROUGH APRIL 30TH, ALL PROJECT DISTRIBUTED SOIL AREAS GREATER THAN 5,000 SQUARE FEET, THAT ARE TO BE LEFT UN -WORKED FOR MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING OR PLAS77C COVERING. * IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETAT70N AND WHERE NO FURTHER WORK /S AN77CIPATED FOR A PERIOD 30 DAYS OR MORE, ALL DISTURBED AREAS MUST BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR OTHER APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE 77ME OF YEAR. GRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY DURING THE MONTHS OF APRIL THROUGH SEPTEMBER, INCLUSIVE. SEEDING MAY PROCEED, HOWEVER, WHENEVER /T /S /N THE INTEREST OF THE PERMITEE, BUT MUST BE AUGMENTED WITH MULCHING, NET77NG OR OTHER TREATMENT APPROVED BY THE CITY OF RENTON, OUTSIDE 7HE SPECIFIED TIME PERIOD. 8. FOR ALL EROSION/SED/MENTA77ON CON7ROL PONDS WHERE THE DEAD STORAGE DEPTH EXCEEDS 6 INCHES, A FENCE /S REQUIRED WI7H A MINIMUM HEIGHT OF THREE (3) FEET, J. 1 SIDE SLOPES. 9.A TEMPORARY GRAVEL C0NS7RUCT7ON ENTRANCE, 24 FEET X 50 FEET X 8 INCHES OF 4 TO 6 INCH QUARRY SPALLS SHALL BE LOCATED AT ALL POINTS OF VEHICULAR INGRESS AND EGRESS TO THE CONSTRUCTION SITE R=341712 CITY OF GENERAL NOTES P1,4Ge s/3/2ooa RENTON PARK V/EW4.9SP AGE. DRAWING NO. Planning/Building/Public Works Dept. LLIA 06- 1 32-SHPL Cl5- 1 03 LN0-20-0470 SHEET: 2 OF.I I