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HomeMy WebLinkAboutWTR2703085.1WATER UTILITY - GENERAL NOTES 1. ALL WORK MATERIAL 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, AS APPROVED BY THE CITY OF RENTON. 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 TRANSPORTATION DIVISION AT 277- 6222. ALL STREET CLOSURES, PARTIAL OR FULL, SHALL BE APPROVED BY THE TRANSPORTATION DIVISION AT 277-6222 24 HOURS IN ADVANCE. THE POLICE DEPARTMENT, FIRE DEPARTMENT, AND 911 SHALL BE NOTIFIED 24 HOURS IN ADVANCE. 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 Cl 10 AND Cl 11 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 INSTALLED SOUTH OF SUNSET BLVD. (EMPIRE WAY, SR 900) AND WEST OF SR 167 ( EAST VALLEY FREEWAY) OR IN SOILS OF HIGH RESISTIVITY SHALL BE POLYETHYLENE WRAPPED PER ANSI/AWWA C105-77 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/A21.10-82. CEMENT LINING SHALL BE IN ACCORDANCE WITH ANSI/AWWA C104/A21.4-85. 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/A21.10-82 OR ANSI/AWWA C153/A21.53-84. 3 INCHES TO 12 INCHES DIAMETER FITTINGS WHICH HAVE MECHANICAL JOINTS AND/OR FLANGED JOINTS, SHALL BE IN ACCORDANCE WITH ANSI/AWWA C110/A21.10.82 OR A COMBINATION OF ANSI/AWWA C110/A21.10.82 AND ANSI/AWWA C153/A21.53-84 SUCH THAT THE PORTION OF THE FITTING WITH A MECHANICAL JOINT(S), MAY BE IN ACCORDANCE WITH ANSI/AWWA C153/A21.53-84 AND THE PORTION OF THE FITTING WITH FLANGED JOINT(S) SHALL BE IN ACCORDANCE WITH ANSI/AWWA C110/A21.10-82. ACCEPTANCE TESTING WITH SECTION 53.53 OF ANSI/AWWA C153/A21.53-84 OR WITH SECTION 10-4.3 OF ANSI/AWWA C110/A21.10-82 SHALL BE OBTAINED BY THE CONTRACTOR AND TRANSMITTED TO THE OWNER. 6. GATE VALVES SHALL CONFORM TO AWWA C500 AND SHALL BE IRON BODY, BRONZED -MOUNTED, DOUBLE DISC WITH BRONZE WEDGING DEVICE AND O-RING STUFFING BOX. 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 AND 1" BYPASS INSTALLATION. 7. FIRE HYDRANTS SHALL BE COREY TYPE (OPERATING WITH THE PRESSURE) CONFORMING TO AWWA C- 504-80 WITH A 6 INCH INLET AND A M.V.O. OF 5 INCHES, TWO 2-1/2" HOSE NOZZLES WITH NATIONAL STANDARD 7 INCH, 60 DEGREES V THREADS, O.D. THREAD 4.875 AND ROOT DIAMETER 4.6263, 1-3/4 INCH PENTAGON OPERATING NUT OPENED BY TURNING COUNTER CLOCKWISE (LEFT). 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. 9A. ALL WATER MAINS AND SERVICES SHALL BE PRESSURE TESTED TO A MINIMUM 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. 9B. ALL WATER MAINS AND SERVICES SHALL BE DISINFECTED BY THE INJECTION OF A 50 PPM (MINIMUM CONCENTRATION) CHLORINEIWATER 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 STANDARDS SPECIFICATIONS REFERENCED IN 1 ABOVE. EXST 10" C.I. WATER LINE 10" X 8" TAPPING TEE (MJ x FL) WITH CONCRETE BLOCKING 8" TAPPING GATE VALVE (FL x MJ) 10. A PRECONSTRUCT!ON CONFERENCE IS REQUIRED PRIOR TO ANY CONSTRUCTION. A MINIMUM OF 10 (TEN) WORKING DAYS NOTICE IS REQUIRED FOR SCHEDULING. PRIOR TO SCHEDULING THE PRECON A PERMIT SHEET MUST BE SUPPLIED TO THE UTILITY ENGINEER'S OFFICE. TWENTY FOUR HOURS 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 WATER UTILITY SECTION. 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 THE CITY INSPECTOR 24 HOURS IN ADVANCE OF BACKFILLING ALL CONSTRUCTION. THE CONTRACTOR AS WELL AS THE ENGINEERS SHALL KEEP AS - BUILT DRAWINGS, 15. CONTRACTOR TO PROVIDE PLUGS AND TEMPORARY BLOW -OFF ASSEMBLIES FOR TESTING AND PURITY ACCEPTANCE PRIOR TO FINAL TIE-IN. 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 WATER UTILITY SECTION. 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, CURBS, GUTTERS, AND DRIVEWAYS 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, TRENCHES WILL NOT BE LEFT OPEN OVER NIGHT WITHOUT PRIOR WRITTEN APPROVAL OF THE INSPECTOR. 19. FOR CITY PROJECTS SUCH AS TELEMETRY CONDUIT, THE PVC PIPE SHALL BE SCHEDULE 40 IN UNIMPROVED AREAS AND SCHEDULE 80 UNDER IMPROVED AREAS. ALL CHEMICAL LINES SHALL BE SCHEDULE 80 PVC PIPE. 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