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HomeMy WebLinkAbout5.6-10037INSTALL BLOW -OFF V.W.C. PLATE NO. 2 THIS WATER SERVICE 10 SERVE 2821 MOSASCO STREET SCALE I' = 50' LOT LINE ADJUST]MrNr 11\10, 5001 PARCEL 1 PARCEL 2 PARCEL 2 NO. 5B I II' WATER LINE PER ATE NO. 3A CAL) LOT LINE ADJUST 1\ilr 1IN f NO. 417-01 113 1 14 EXISTINGWATER SERVICE TO 2821 MOSA5CO ST. WILL BE FROM MOST NORTHERLY LATERAL SHOO ON THIS PLAN. EXISTING SREVICE TO REMAIN 1 SERVE PARCEL 14 PARCEL 1 INSTALL 12' TO I REDUCER OS HrRlIMAlNOS RESTAURANT -MOVE EXISTING .OW -OFF VALVE CONNECT NEW x P. IYl . NO, 4422 PARCEL 2 P.M. 1\10, 4422 PARCEL 1 W Q W O w LEGEND PARCrL NJAP No, 100-37 PROPOSED WATER LINE 148 L.F. 12" P.V.C. WATER LINE u PROPOSED I' SINGLE SERVICE 19 EA, 1' SINGLE SERVICES INSTALL FIRE 2 EA. FIRE HYDRANT x EXISTING 2' SERVICE 1 BACKFLOW I EA TIE-IN HYDRANT PER DEVICE FOR LOS HERMANOS REST. I EA. 12' GATE VALVE V.W.C. PLATE N PROPOSED IT GATE VALVE NO. 5B EXISTING 10' GATE VALVE /¢SATE ENGI F r A/t HN UTA ER INSTALL F WATER INSTALL 1681 L.F nY O V SERVICE LINE PER OF 12' WATER LINE r m NOTE V W.C. PLATE NO. 3B WATER SERVICE TO 2821 MOSASCO STREET IS (TYPICAL) ° TO BE MAINTAINED UNTIL THE TIME OF NOSASCO STREET m - 1 I- LOT LINE ADJUST]MrNr 11\10, 5001 PARCEL 1 PARCEL 2 PARCEL 2 NO. 5B I II' WATER LINE PER ATE NO. 3A CAL) LOT LINE ADJUST 1\ilr 1IN f NO. 417-01 113 1 14 EXISTINGWATER SERVICE TO 2821 MOSA5CO ST. WILL BE FROM MOST NORTHERLY LATERAL SHOO ON THIS PLAN. EXISTING SREVICE TO REMAIN 1 SERVE PARCEL 14 PARCEL 1 INSTALL 12' TO I REDUCER OS HrRlIMAlNOS RESTAURANT -MOVE EXISTING .OW -OFF VALVE CONNECT NEW x P. IYl . NO, 4422 PARCEL 2 P.M. 1\10, 4422 PARCEL 1 W Q W O w ROSEDALE HWY.(STATE ROUTE 58) VICINITY MAP NO SCALE APPROVED BY: Ro. rrs Ew. L/30/05 II- YD PAA InD37 M—I LEGEND APPROX. QUANITIES PROPOSED WATER LINE 148 L.F. 12" P.V.C. WATER LINE u PROPOSED I' SINGLE SERVICE 19 EA, 1' SINGLE SERVICES EXISTING P SINGLE SERVICE 2 EA. FIRE HYDRANT x EXISTING 2' SERVICE 1 BACKFLOW I EA TIE-IN DEVICE FOR LOS HERMANOS REST. I EA. 12' GATE VALVE N PROPOSED IT GATE VALVE EXISTING 10' GATE VALVE /¢SATE ENGI F r A/t HN UTA ER — PROPOSED FIRE HYDRANT I COMPANY Rcz ZJeCrr iz �2•oi NOTE ---"�" --- - EXISTING FIRE HYDRANT WATER SERVICE TO 2821 MOSASCO STREET IS TO BE MAINTAINED UNTIL THE TIME OF DURING CONSTRUCTION AND FINAL TIE IN CONNETION - 1 I- �YLVi � 1L// J� _ (�o (4 -01 AL ROSEDALE HWY.(STATE ROUTE 58) VICINITY MAP NO SCALE APPROVED BY: Ro. rrs Ew. L/30/05 II- YD PAA InD37 M—I GENERAL NOTES: 1. ALL IMPROVEMENTS SHALL BE IN ACCORDANCE WITH COUNTY OF KERN SUBDIVISION STANDARDS, VAUGHN WATER COMPANY, AND OTHER (CITY/COUNTY AND/OR STATE OF CALIFORNIA) STANDARDS, AS APPLICABLE. 2. PRIOR TO COMMENCING CONSTRUCTION, A PRECONSTRUCTION MEETING SHALL BE ARRANGED BETWEEN THE DEVELOPER, ITS CONTRACTOR, AND THE COMPANY INSPECTOR. COMPANY MUST BE NOTIFIED 24 HOURS IN ADVANCE OF THE MEETING. 3. PIPE SPECIFICATIONS: AWWA C900, CL 150 AND 200 PVC OR AS OTHERWISE SPECIFIED HEREIN. JOINTS SHALL BE GASKET/BELL TYPE AND COMPLY WITH ASTM D3139 SPECIFICATION. 4. ALL GATE VALVES SHALL BE MUELLER SUPER SEAL RESILIENT SEAT GATE VALVES IN ACCORDANCE WITH VAUGHN WATER COMPANY STANDARDS. 5. VALVE BOXES SHALL BE CHRISTY G5 TRAFFIC VALVE BOX WITH TRAFFIC LID MARKED "WATER" PVC EXTENSIONS IN ACCORDANCE WITH VAUGHN WATER COMPANY STANDARDS. & COMPACTION REQUIREMENTS: DEDICATED STREETS -ALL PIPELINE TRENCHES SHALL BE BACKFILLED AND COMPACTED IN ACCORDANCE WITH THIS SPECIFICATION AND THE COUNTY OF KERN AND STATE OF CALIFORNIA STANDARDS, AS APPLICABLE. 7. MINIMUM SIZE FOR SERVICE CONNECTIONS SHALL BE 1 INCH. SINGLE SERVICES. WITH SADDLES, ARE REQUIRED. NO DOUBLE SERVICES ARE ALLOWED. SEE VAUGHN WATER COMPANY STANDARDS. CORPORATION STOPS: 1" BRONZE - MUELLER B25008 1 i/2" BRONZE - MUELLER B25008 2" BRONZE - MUELLER 825008 ANGLE METER STOPS: 1" BRONZE - JAMES JONES J-1963WSO OR FORD BA 43-444W0 1 1/2" BRONZE - MUELLER 824276 OR JAMES JONES J-4205 Y BRONZE - MUELLER B24276 OR JAMES JONES J-4205 SERVICE SADDLES: 1", 1 1/2", 2" BRONZE - JAMES JONES MODEL J -996R FOR PVC PIPE. 8. ALL SERVICES SHALL BE METERED. SEE VAUGHN WATER COMPANY STANDARDS. METERS: i" BADGER RECORDALL COLD WATER, THERMOPLASTIC DISC METER, MODEL 40. TOTALIZE IN CUBIC FEET. 1 1/2" BADGER RECORDALL COLD WATER, TOP LOAD BRONZE DISC METER, MODEL 120. TOTALIZE IN CUBIC FEET. 2" BADGER RECORDALL COMPOUND METER. TOTALIZE IN CUBIC FEET. 9. SERVICE PIPING SHALL BE 1", 1 1/2", OR 2' POLYETHYLENE PLASTIC TUBING IN ACCORDANCE WITH ASTM D2737 P.E. 3408 - COPPER TUBE SIZE WITH J-2508/2806 STAINLESS STEEL LINERS. SEE VAUGHN WATER COMPANY STANDARDS. 10. 10" AND SMALLER MAINS AND SERVICES SHALL HAVE NO LESS THAN 30" COVER; 12" OR LARGER MAINS SHALL HAVE NO LESS THAN 36' COVER, 11. WATER MAINS SHALL BE LAID AT HIGHER ELEVATIONS THAN NEARBY SEWER LINES. AT CROSSINGS, WATER MAINS SHALL PASS OVER THE TOP OF SEWER LINES AND IN ADDITION, THE BOTTOM OF THE WATER MAIN SHALL CLEAR THE TOP OF "COMMON" SEWER (MAIN STREET LINE) BY A MINIMUM OF 12". THE PROVISIONS OF THE COUNTY OF KERN REGARDING CROSSING OF WATER PIPES BY SEWERS AND SEWER LATERALS SHALL BE STRICTLY FOLLOWED. 12. FIRE HYDRANTS IN THE COUNTY OF KERN SHALL BE MUELLER SUPER CENTURION 200, MODEL A-421, WITH 2-2 1/2" HOSE NOZZLES AND 1-4 1/2" POWER NOZZLE, THE COLOR SHALL BE JOHN DEERE YELLOW. 13. SEE TRACT AGREEMENT FOR FURTHER DETAILS 14. PRIOR TO COMMENCING CONSTRUCTION WITHIN EXISTING PUBLIC RIGHT-OF-WAY, AN ENCROACHMENT PERMIT SHALL BE OBTAINED FROM APPROPRIATE GOVERNMENTAL AGENCY. IF PROJECT 15 WITHIN PRIVATE PROPERTY AN EASEMENT SHALL BE OBTAINED. 15. VAUGHN WATER COMPANY SHALL INSPECT THE INSTALLATION OF THIS WATER SYSTEM TO ASSURE ITS COMPLIANCE WITH THESE PLANS. INSTALLATION SHALL BE BY SUBDIVIDER OR HIS AGENT. VAUGHN WATER COMPANY SHALL MAINTAIN THE SYSTEM AFTER IT HAS BEEN ACCEPTED BY THE COMPANY, EXCEPT AS NOTED IN PARAGRAPH 12, ABOVE. VAUGHN WATER COMPANY'S OFFICERS EMPLOYEES, ENGINEERS, AND OTHER CONSULTANTS SHALL BE PROVIDED FREE, UNOBSTRUCTED ACCESS TO THE WORK AT ALL TIMES FOR INSPECTION PURPOSES. VAUGHN WATER COMPANY IS NOT PROVIDING SAFETY INSPECTION SERVICES. JOB SITE SAFETY IS THE RESPONSIBILITY OF SUBDIVIDER OR HIS AGENT PERFORMING THE INSTALLATION WORK. 16. INSTALLATION SHALL CONFORM TO AWWA STANDARDS AND COUNTY OF KERN SUBDIVISION STANDARDS, VAUGHN WATER COMPANY STANDARDS, STATE OF CALIFORNIA STANDARDS, AND THE ABOVE. IN CASE OF CONFLICT, THE HIGHER STANDARD SHALL APPLY, AS DETERMINED BY THE DIRECTOR OF PUBLIC WORKS/TRANSPORTATION MANAGEMENT AND VAUGHN WATER COMPANY. 17. CATALOGUE DATA AND AFFIDAVIT THAT ALL DELIVERED PIPE COMPLIES WITH THE REQUIREMENTS OF AWWA C900 SHALL BE PROVIDED TO COUNTY OF KERN TRANSPORTATION MANAGEMENT DEPARTMENT AND VAUGHN WATER COMPANY. 18. THIS WATER SYSTEM IS DESIGNED TO PROVIDE 1,000 GPM FIRE FLOW PLUS DOMESTIC FIRE FLOW. 19. CONCRETE THRUST BLOCKS SHALL BE CONSTRUCTED AT ALL CHANGES IN DIRECTION. CHANGES IN SIZE, DEAD ENDS, FIRE HYDRANTS AND LOCATIONS WHERE THRUST MAY BE DEVELOPED. THRUST BLOCKS SHALL BE CONSTRUCTED PER PLATE NO.'S 7A & 78 OF VAUGHNS WATER COMPANY STANDARDS UNLESS OTHERWISE APPROVED BY VAUGHN WATER COMPANY. CHANGES IN SIZE FROM THOSE SHOWN IN PLATE NO.'S 7A & 713 SHALL BE ACCOMPANIED BY CALCULATIONS BASED ON SOIL VALUES ESTABLISHED BY A REGISTERED GEOTECHNICAL ENGINEER. 20. CONTRACTOR TO NOTIFY UNDERGROUND SERVICE ALERT (U.S.A.) TWO DAYS PRIOR TO EXCAVATION. PHONE 1-8DO 227-2600. 21. ANY CONFLICTS WITHIN THIS SPECIFICATION OR BETWEEN THIS SPECIFICATION AND ANOTHER CITED SPECIFICATION SHALL BE RESOLVED BY APPLYING THE MORE STRINGENT SPECIFICATION, UNLESS DIRECTED OTHERWISE IN WRITING BY THE COMPANY. 22. COMPANY SHALL INSPECT THE WORK OF THE CONTRACTOR TO DETERMINE COMPLIANCE WITH THESE PLANS AND SPECIFICATIONS. INSPECTIONS BY COMPANY SHALL IN NO WAY ABSOLVE CONTRACTOR OF HIS RESPONSIBILITY TO COMPLY WITH THESE PLANS AND SPECIFICATIONS. 23. NO CHANGES SHALL BE MADE TO APPROVED PLANS. NOR SHALL FIELD CHANGES BE MADE. WITHOUT PRIOR WRITTEN APPROVAL FROM VAUGHN WATER 24. TO THE BEST OF MY KNOWLEDGE THESE PLANS MEET OR EXCEED THE MINIMUM COUNTY STANDARDS GENERAL CONSTRUCTION AND MATERIALS NOTES THIS SPECIFICATION IS WRITTEN FOR AWWA C900 PVC PIPE FOR WATER INSTALLATIONS. ASTM AND AWWA SPECIFICATIONS, COUNTY OF KERN, STATE OF CALIFORNIA, AND VAUGHN WATER COMPANY STANDARDS REFERRED TO HEREIN SHALL BE THE LATEST EDITION THEREOF. GENERAL ALL PVC PIPE AND DUCTILE IRON FITTINGS SHALL CONFORM TO THE FOLLOWING: A) PIPE SHALL CONFORM TO AWWA C900 CLASS 150 AND 200 ASTM D3139. B) PIPE FITTINGS SHALL BE DUCTILE IRON BELL AND SPIGOT FITTINGS CONFORMING TO AWWA C111. C) EACH LENGTH OF PIPE SHALL BE MARKED WITH THE APPLICABLE ASTM, DR, PRESSURE CLASSIFICATION, NOMINAL PIPE SIZE, AND MANUFACTURER'S NAME OR TRADEMARK. D) A CERTIFICATE OF COMPLIANCE FROM THE PIPE MANUFACTURER SHALL BE PROVIDED. E) PVC PIPE SHALL NOT DEVIATE FROM STRAIGHT BY MORE THAN 1/16 INCH PER FOOT (CAMBER) WHEN THE MAXIMUM OFFSET IS MEASURED FROM THE CONCAVE SIDE OF THE PIPE. F) PVC PIPE SHALL BE OF THE BELL AND SPIGOT TYPE. STORAGE AND HANDLING PVC PIPE SHALL BE STORED ON A SMOOTH BED. THE PIPE SHALL NOT BE DROPPED OR DRAGGED. STORED PIPE SHALL BE COVERED TO PROTECT IT FROM ULTRAVIOLET LIGHT (SUN'S RAYS). PVC PIPE WITH NOTICEABLE COLOR CHANGES RESULTING FROM EXPOSURE TO ULTRAVIOLET LIGHT SHALL BE REJECTED. EMBEDMENT AND BEDDING MATERIALS EMBEDMENT MATERIALS (CLASS I, 11, AND 111) SHALL CONFORM TO PARAGRAPHS 6.1.1, 6.1.2 AND 6.1.3, ASTM D2321 -83A MODIFIED AS FOLLOWS: MODIFICATION UNDERLINED. CLASS 1 - ANGULAR, 1/4 TO 1 1N., GRADED STONES, INCLUDING A NUMBER OF FILL MATERIALS THAT HAVE REGIONAL SIGNIFICANCE SUCH AS CORAL, SLAG, CINDERS, CRUSHED STONE, CRUSHED GRAVEL, AND CRUSHED SHELLS. SOIL TYPES GW AND GP ARE REQUIRED CLASS II - COARSE SANDS AND GRAVELS WITH MAXIMUM PARTICLE SIZE OF I -ILL INCLUDING VARIOUSLY GRADED SANDS AND GRAVELS CONTAINING SMALL PERCENTAGES OF FINES, GENERALLY GRANULAR AND NON -COHESIVE, EITHER WET OR DRY. SOIL TYPES i�W, SW, AND SP ARE INCLUDED IN THIS CLASS. CLASS III - F IN SAND AND GRAVELS. SOIL TYPES SW_ SP, SM AND GM ARE INCLUDED IN THIIM PARTICLE I SOIL CLASSIFICATION IS IN CONFORMANCE WITH UNIFIED SOIL CLASSIFICATION SYSTEM, ASTM DESIGNATION D2487 AND 02488. NATIVE SOILS MEETING THE REQUIREMENTS FOR CLASSES I, II, AND III MATERIAL MAY BE ACCEPTED BY THE COMPANY. ANY NATIVE EMBEDMENT MATERIALS NOT MEETING THESE CLASSIFICATIONS SHALL BE REPLACED BY IMPORTED MATERIALS THAT DO MEET THESE REQUIREMENTS. BEDDING/TRENCH BOTTOM THE TRENCH BOTTOM SHALL BE CONSTRUCTED TO PROVIDE A FIRM, STABLE AND UNIFORM SUPPORT FOR THE FULL LENGTH OF PIPE. BELL HOLES SHALL BE PROVIDED AT EACH JOINT. ANY PORTION OF THE TRENCH BOTTOM EXCAVATED BELOW GRADE SHALL BE BACKFILLED TO GRADE AND COMPACTED AS REQUIRED TO PROVIDE FIRM PIPE SUPPORT. WHEN AN UNSTABLE SUBGRADE CONDITION IS ENCOUNTERED WHICH WILL PROVIDE INADEQUATE PIPE SUPPORT, OR WHEN LEDGE ROCK, BOULDERS, OR LARGE STONES ARE ENCOUNTERED. ADDITIONAL TRENCH DEPTH SHALL BE EXCAVATED AND REFILLED WITH SUITABLE FOUNDATION MATERIAL AND COMPACTED, BEDDING PROCEDURE SHALL CONFORM TO PARAGRAPHS 8.1.1, 8.1.2, AND 8.1.3 OF ASTM D2321 -83A AND THE FOLLOWING: A) CONTRACTOR SHALL PROVIDE A UNIFORMLY COMPACTED BEDDING. IF THE BEDDING DOES NOT PROVIDE AN EXISTING UNIFORMLY COMPACTED SURFACE AT THE TRENCH BOTTOM IT SHALL BE REPLACED. B) IMPORTED BEDDING MATERIAL, IF REQUIRED, SHALL BE PLACED AND COMPACTED FOR ALL MAIN LINES AS SHOWN ON PLATE NO. 6. FLOODING OR JETTING OF BEDDING IS NOT ALLOWED. C) AFTER PREPARATION OF TRENCH BOTTOM AND PRIOR TO INSTALLATION OF WATER MAIN AND LATERALS, THE COMPANY SHALL INSPECT THE BOTTOM OF THE TRENCH. INSTALLATION OF PIPE FITTINGS, A N BACKFILL F PIPE NE PVC PIPE EXPOSED TO THE SUN DURING SUMMER MONTHS SHALL BE ALLOWED TO COOL PRIOR TO PLACING PIPE ZONE BACKFILL IN TRENCH. ALLOWANCES SHALL BE MADE FOR THE MOVEMENT OF PIPE ALONG THE MAIN LINE AND AT THE LATERALS. FITTINGS SHALL BE SIZED TO RECEIVE TYPE OF PIPE USED. INSTALLATION OF FITTINGS SHALL BE IN ACCORDANCE WITH MANUFACTURER'S INSTRUCTION MANUALS. PIPE INSTALLATION AND HAUNCHING SHALL CONFORM TO PARAGRAPHS 9.1.1, 9.1.2 AND 9.1.3 OF ASTM 02321-83A, AWWA STANDARDS AND THE FOLLOWING: A) ALL WATER PIPE SHALL BE INSTALLED WITH A MINIMUM 12 IN. VERTICAL CLEARANCE ABOVE ANY EXISTING OR PROPOSED SEWER PIPE. THE REGULATIONS AS DESCRIBED IN THESE STANDARDS FOR SEWER CROSSINGS SHALL BE FOLLOWED CLOSELY BY THE CONTRACTOR. B) AFTER LAYING THE PVC PIPE, HAUNCHING SHALL BE PLACED, CARE SHALL BE TAKEN TO PLACE MATERIAL UNDER THE HAUNCHES SO THAT IT PROVIDES ADEQUATE SIDE SUPPORT OF THE PIPE. MATERIAL SHALL BE PLACED TO THE SPRING LINE OF THE PIPE AND COMPACTED BY HAND OR MECHANICAL TAMPING. C) MATERIALS USED FOR HAUNCHING SHALL BE THE SAME CLASS AS USED FOR BEDDING. D) CARE SHALL BE EXERCISED IN PLACING HAUNCHING MATERIAL TO PREVENT DAMAGE TO OR DISPLACEMENT OF THE WATER PIPE. E) PRIOR TO PLACEMENT AND COMPACTION OF UPPER PIPE ZONE BACKFILL, THE COMPANY SHALL INSPECT THE PLACEMENT OF THE WATER MAIN AND 1", 1 1/2", OR 2" SERVICE LATERALS, HAUNCHING AND COMPACTION OF PIPE ZONE BACKFILL. F) INITIAL BACKFILL SHALL BE PLACED IN TWO STAGES; ONE TO THE TOP OF THE PIPE AND THE OTHER TO A POINT AT LEAST 12 IN. OVER TOP OF THE PIPE. COMPACT EACH STAGE OF HAUNCHING AND INITIAL BACKFILL BY HAND OR MECHANICAL TAMPING TO A MINIMUM OF 90% RELATIVE COMPACTION. IN NO CASE SHALL THE PIPE COME IN DIRECT CONTACT WITH THE COMPACTION EQUIPMENT. THE CONTRACTOR SHALL BACKFILL A MINIMUM OF 12 INCHES PRIOR TO COMPACTING DIRECTLY OVER THE PIPE. G) MATERIALS USED FOR THE PIPE ZONE BACKFILL SHALL BE THE SAME CLASS AS THAT USED FOR HAUNCHING. H) COMPACTION METHODS USED BY THE CONTRACTOR SHALL BE SUBJECT TO REVIEW BY THE COMPANY ENGINEER. ANY PIPE COMPACTED BY METHODS OF COMPACTION NOT RECEIVING PRIOR APPROVAL BY THE SAME SHALL BE REMOVED AT THE CONTRACTOR'S EXPENSE. I) FLOODING OR JETTING IS NOT ALLOWED. J) TESTING OF PIPE ZONE MATERIAL SHALL BE DONE FOR EACH INSTALLATION. A MINIMUM OF 5 TESTS PER SUBDIVISION SHALL BE MADE, OR 1 TEST PER 1,000 FEET OF PIPE INSTALLED. WHICHEVER IS GREATER. PIPE ZONE MATERIAL NOT MEETING COMPACTION REQUIREMENTS SHALL BE RE -COMPACTED. CLEANING AFTER PRESSURE TESTING AND PRIOR TO ACCEPTANCE OF THE WORK, THE ENTIRE PIPELINE, INCLUDING ALL VALVES, FITTINGS. HYDRANTS AND OTHER ACCESSORIES, SHALL BE DISINFECTED IN ACCORDANCE WITH AWWA C651, VAUGHN WATER COMPANY AND AS FOLLOWS: CHLORINE RESIDUAL SHALL BE DETERMINED IN ACCORDANCE WITH ONE OF THE METHODS SPECIFIED IN AWWA C651 WITH AMOUNTS OF APPLIED CHLORINE TO PRODUCE A DOSAGE GREATER THAN 50 PPM AND A RESIDUAL OF NOT LESS THAN 50 PPM IN ALL PARTS OF THE LINE AFTER A 24 HOUR PERIOD HAS ELAPSED. FOLLOWING THE FLUSHING OF THE LINE THE WATER COMPANY MAY RETAIN A QUALIFIED LABORATORY TO PERFORM A BACTERIOLOGICAL TEST. A COMPANY REPRESENTATIVE SHALL TAKE WATER SAMPLE AND DELIVER TO THE SAME. SUCH TEST SHALL MEET THE STATE DEPARTMENT OF HEALTH SERVICES REQUIREMENTS FOR DOMESTIC WATER PURPOSES PRIOR TO ACCEPTANCE OF THE LINES BY THE WATER COMPANY. THE COST OF THE TEST(S) SHALL BE INCLUDED IN THE ADMINISTRATION/INSPECTION FEES PAID TO THE WATER COMPANY BY THE OWNER. TESTING DISTRIBUTION MAINS SHALL BE TESTED TO A MINIMUM HYDROSTATIC PRESSURE OF DESIGN PRESSURE OR PIPE CLASS. CLASS 150 PIPE SHALL BE TESTED TO A MINIMUM OF 150 PSIG. THE MINIMUM DURATION OF THE TEST SHALL BE TWO HOURS. BEFORE APPLYING THE HYDROSTATIC PRESSURE, ALL ENTRAPPED AIR SHALL BE THOROUGHLY BLED OFF. FOR ALL TYPES OF WATER MAINS, THERE SHALL BE NO VISIBLE LEAKAGE AT ANY JOINT OR SECTION OF PIPE AND THE ALLOWABLE LEAKAGE FOR THE TOTAL LENGTHS OF ALL WATER MAINS UNDER TEST SHALL NOT EXCEED THAT AMOUNT SPECIFIED IN "AWWA C600" OR "AWWA M23" AS APPROPRIATE. ALL TESTS SHALL BE MADE IN THE PRESENCE OF A REPRESENTATIVE OF THE WATER COMPANY. BACKFILL OVER JOINTS, VALVES OR FITTINGS SHALL NOT EXCEED THE INITIAL BACKFILL UNTIL THEY HAVE BEEN INSPECTED. TESTED, AND APPROVED BY THE WATER COMPANY. WHEN IT IS NECESSARY TO COVER THE DITCH AS SOON AS THE WATER MAIN IS LAID, THE AUTHORIZED REPRESENTATIVE OF THE COMPANY ENGINEER MAY PERMIT THE BACKFILLING TO BE COMPLETED PRIOR TO TESTING AND DISINFECTION. IF THE PIPE THEN TESTED EXCEEDS THE ALLOWABLE LEAKAGE, THE PIPE MUST BE UNCOVERED, REPAIRED, AND TESTED UNTIL IT MEETS THE ALLOWABLE LEAKAGE. BACKFILL THE REMAINDER OF THE TRENCH BACKFILL SHALL CONFORM WITH (CITY OF BAKERSFIELD/KERN COUNTY TRANSPORTATION MANAGEMENT DEPARTMENT) AND AS FOLLOWS: A) BACKFILL MATERIAL SHALL BE FREE OF ALL ROCKS OR LUMPS EXCEEDING SIX (6) INCHES MAXIMUM DIMENSION. NO ROCK OR LUMP EXCEEDING 1 INCH DIAMETER SHALL BE ALLOWED WITHIN 12" OF THE PIPE. 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