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Home My WebLink AboutW-433502C'7 1 N Know what's below. Call before you d WATER PLAN GENERAL NOTES Standard Plan No. 300 1. ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH THE LATEST EDITION OF THE CITY OF RENTON PUBLIC WORKS STANDARD SPECIFICATIONS AND SPECIAL PROVISIONS AND WSDOT / APWA STANDARD SPECIFICATIONS, LATEST EDITION AS AMENDED BY THE CITY OF RENTON. A SET OF CITY APPROVED PLANS SHALL BE KEPT AT THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. A PRE -CONSTRUCTION CONFERENCE SHALL BE HELD PRIOR TO THE START OF CONSTRUCTION. THE CONTRACTOR AND OR DEVELOPER SHALL BE RESPONSIBLE FOR SECURING ALL NECESSARY PERMITS PRIOR TO CONSTRUCTION. 2. ALL EXISTING UTILITIES SHALL REMAIN IN SERVICE DURING CONSTRUCTION UNLESS OTHERWISE NOTED. THE CONTRACTOR SHALL CALL 1-800-424-5555 TO VERIFY UTILITY LOCATIONS BEFORE BEGINNING EXCAVATION. 3. ALL MATERIALS USED FOR THE CONSTRUCTION OF WATER SYSTEM IMPROVEMENTS SHALL BE NEW AND UNDAMAGED, AND "CATALOG CUTS" FOR ALL MATERIALS SHALL BE APPROVED IN WRITING BY THE CITY OF RENTON PRIOR TO BRINGING ANY MATERIALS ON -SITE. 4. ALL WATER MAIN PIPE MATERIALS SHALL BE CEMENT LINED DUCTILE IRON PIPE, THICKNESS CLASS 52 PER AWWA C 151 AND C 104. PIPE JOINTS SHALL BE PUSH -ON OR MECHANICAL JOINT. CAST IRON OR DUCTILE IRON PIPE FITTINGS SHALL BE CLASS 250 AS PER ANSI/AWWA C110/A21.10-82. ALL DUCTILE IRON PIPE AND FITTINGS SHALL BE WRAPPED WITH 8-MIL BLACK, TUBE -TYPE, POLYETHYLENE PLASTIC PER AWWA C105 STANDARDS. 5. MINIMUM COVER FROM TOP OF WATER MAINS TO FINISHED GRADE SHALL BE 36 INCHES FOR PIPE DIAMETER OF 10-INCH OR LESS AND 48 INCHES FOR PIPE DIAMETER OF 12-INCH AND LARGER. MAXIMUM COVER FOR ALL WATER MAINS SHALL BE 60 INCHES. ANY DEVIATIONS MUST BE APPROVED BY THE CITY OF RENTON PRIOR TO CONSTRUCTION. WHERE UTILITY CONFLICTS OCCUR, THE PROFILE OF THE WATER MAIN SHALL BE ADJUSTED AS NECESSARY TO CLEAR CONFLICTS AND TO PROVIDE MINIMUM COVER. PIPE DEFLECTION SHALL NOT EXCEED ONE-HALF OF PIPE MANUFACTURER'S SPECIFICATION FOR SIZE OF PIPE USED. ALL TRENCH BACKFILL SHALL BE COMPACTED TO 95 PERCENT MAXIMUM DRY DENSITY AS DETERMINED BY THE MODIFIED PROCTOR TEST METHOD (MDD) IN ROADWAYS, ROADWAY SHOULDERS, ROADWAY PRISM AND DRIVEWAYS, AND 85 PERCENT MDD IN UNPAVED AREAS. ALL PIPE ZONE COMPACTION SHALL BE 95 MDD. 6. CONCRETE BLOCKING FOR WATER MAINS SHALL BE DESIGNED, INSTALLED AND POURED IN PLACE IN ACCORDANCE WITH CITY OF RENTON STANDARD DETAILS AND SPECIFICATIONS AND SHALL BE INSTALLED AT ALL VERTICAL AND HORIZONTAL BENDS, FITTINGS AND BASE OF HYDRANTS. MEGA -LUGS (OR SIMILAR PRODUCT) MAYBE REQUIRED ON ALL MECHANICAL JOINTS IN ADDITION TO CONCRETE BLOCKING. 7. ALL NEW WATER MAIN PIPES AND FITTINGS SHALL HAVE A FOAM PIPE PIG RUN THROUGH THEM PRIOR TO BEING FLUSHED, DISINFECTED, AND TESTED. CLEANING, PRESSURE AND PURITY TESTING SHALL BE DONE IN THE PRESENCE OF AND UNDER THE SUPERVISION OF A CITY OF RENTON UTILITY INSPECTOR. THE CONTRACTOR SHALLSUPPLY, INSTALLAND REMOVE PLUGS, CORPORATION STOPS, BLOW -OFF ASSEMBLIES, AND THRUST RESTRAINT / BLOCKING FOR TESTING AND PURITY ACCEPTANCE. NO CONNECTION SHALL BE MADE BETWEEN THE NEW MAIN OR BETWEEN THE NEW WET -TAP VALVE TO AN EXISTING MAIN UNTIL THE NEW PIPING HAS BEEN FOAM -PIGGED, DISINFECTED, FLUSHED, AND PASSED BOTH PRESSURE AND PURITY TESTING. 8. NEW WATER MAINS INCLUDING SERVICE LATERALS SHALL BE TESTED AT A STATIC PRESSURE OF 150 PSI ABOVE WORKING PRESSURE WITH A MINIMUM OF 225 PSI TEST PRESSURE FOR 120 MINUTES WITH A MAXIMUM OF 5 PSI PRESSURE DROP DURING THE ENTIRE TEST PERIOD. UPON SATISFACTORY COMPLETION OF THE PRESSURE TEST, THE LINE SHALL BE DISINFECTED, FLUSHED, AND THEN WATER SAMPLES SHALL BE TAKEN FOR PURITY TESTING BYTHE PUBLIC WORKS INSPECTOR. 9. THE CONTRACTOR SHALL NOTIFY THE CITY OF RENTON WATER UTILITY AND MAINTENANCE DEPARTMENTS AT LEAST 10 WORKING DAYS PRIOR TO MAKING CONNECTIONS TO THE EXISTING WATER SYSTEM. THE CONTRACTOR SHALL EXPOSE THE EXISTING WATER MAIN AND FITTINGS AT THE CONNECTION POINT BEFORE ORDERING THE NECESSARY ADAPTORS AND FITTINGS REQUIRED FOR THE FINAL CONNECTION. THE CONTRACTOR SHALL EXCAVATE, REMOVE ALL SURFACE MATERIALS, AND PROVIDE SHORING AND ALL MATERIALS REQUIRED FOR THE CITY OF RENTON TO PERFORM THE CONNECTION TO THE EXISTING WATER SYSTEM. THE CONTRACTOR SHALL PROVIDE AND INSTALL BACKFILL, CONCRETE BLOCKING, AND COMPLETE SURFACE RESTORATION. Y o STD. PLAN — 300.0 WD PUBLIC WORKS WATER PLAN GENERAL NOTES .,AN DEPARTMENT N'T MARCH 2O10 WATER GENERAL NOTES NOT TO SCALE t+ T. kr WASFJ,, @� .� �SWIA�, �SSIONALE� T A C O M A S P O K A N E S E A T T L E T R I- C I T I E S 2215 North 30th Street, Suite 300 Tacoma, WA 98403 253.383.2422 TEL 253.383.2572 FAX www.ahbl.com WEB TESTING CONNECTION EXISTING WATER MAIN POLYPIG STATION PER STD PLAN 300.7 (1) VERTICAL CROSS (MJxFL) (1) BLIND FLANGE ON TOP WITH 2" TAP AND 2" PLUG (1) BLIND FLANGE ON BOTTOM (1) PLUG (MJ) WITH 2" TAP AND TEMPORARY BLOW -OFF ASSEMBLY WITH TEMPORARY THRUST BLOCKING N'. g'± a d • Q �/� oOo NEW DI WATER MAIN 4 00 TEMPORARY BLOCKING CONNECTION TO EXISTING MAIN (BY CITY APPROVED WET TAP CONTRACTOR) 3 x ID (1) TAPPING TEE (FL) PER STD PLAN 300.6 MIN (1) TAPPING GATE VALVE (FLxMJ) (1) PLUG (MJ) WITH 2" TAP AND TEMPORARY BLOW -OFF ASSEMBLY WITH CONCRETE THRUST BLOCKING PER STD PLAN 330.1 tj FINAL CONNECTION UPON COMPLETION OF POLYPIGGING, HYDROSTATIC TESTING, AND DISINFECTION, REMOVE TEMPORARY THRUST BLOCKING AND TEMPORARY BLOW -OFF ASSEMBLIES FINAL CONNECTION (BY CITY FORCES) (2) DI SPOOLS (1) LONG BODY DI SLEEVE (MJ) a a d • Q o o0O o NEW DI WATER MAIN 0 a NOTES: 1. ALL CONNECTIONS TO EXISTING WATER MAINS WILL BE CONDUCTED BY CITY FORCES AS SPECIFIED IN SECTION 5-14.2 OF THE CITY OF RENTON WATER UTILITY CONSTRUCTION STANDARDS 2. LONG BODY DI SLEEVE FOR CONNECTION FROM DI TO DI PIPE AND FROM DI TO CI PIPE WITH SAME OUTSIDE DIAMETER • STD. PLAN - 300.5 • PUBLIC WORKS CONNECTION TO WATER MAIN APPROVED: DEPARTMENT TAPPING TEE AND VALVE � 6/28/2023 Martin Pastucha DATE Public Works Administrator CONNECTION TO WATER MAIN TAPPING TEE AND VALVE ELEVATION NEW WATER MAIN CONCRETE SUPPORT BLOCKS COMPACTED BEDDING GRAVEL PER SECTION 9-03.12(3) OF THE WSDOT STANDARD SPECIFICATIONS NOTES: 1. WET TAPPING OF EXISTING WATER MAINS SHALL BE PERFORMED BY A CITY APPROVED WET TAP CONTRACTOR (SPEER TAPS, INC., LEGACY TAPPING, INC. OR OTHER FIRM APPROVED BY CITY ENGINEER). 2. CONTRACTOR SHALL POTHOLE AND VERIFY THE HORIZONTAL AND VERTICAL ALIGNMENT OF EXISTING WATER MAIN AND SHALL LAY THE NEW WATER MAIN TO MATCH. 3. TAPPING TEE SHALL BE STAINLESS STEEL OR STEEL WITH FULL CIRCLE SEAL WITH CORTEN OR STAINLESS STEEL NUTS AND BOLTS. 4. ALL TEES AND VALVES SHALL BE WATER TESTED BEFORE TAPPING OR ASSEMBLY SEALS SHALL BE TESTED VIA AIR PRESSURE AFTER THE TAPPING SLEEVE IS INSTALLED TO THE MAIN AND THE TAPPING VALVE IS INSTALLED. 5. TAPPING TEES MAY BE SIZE -ON -SIZE, PROVIDED THE SHELL CUTTER DIAMETER IS AT LEAST 2" SMALLER THAN THE EXISTING MAIN DIAMETER. 6. TAPPING TEES SHALL NOT BE INSTALLED ON STEEL OR ASBESTOS CEMENT WATER MAINS. • STD. PLAN - 300.6 .-} PUBLIC WORKS APPROVED: TAPPING TEE - DEPARTMENT J 6/28/2023 Martin ha Public Work cAdministrator DATE TAPPING TEE NOT TO SCALE W-433502 N C'D (0 O O Nt N A, u N 0 C) i N KOE N O O O N Q D J 07/21 /2025