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HomeMy WebLinkAbout0959.95.111 3 i A B I � C � � � E 1111441d. TYPICAL GATE VALVE 4 VALVE SOX NOTE: ALL GATE VALVES TO BE RESILLIANCE HEATED PER CARMEL UTILITIES SPECIFICATIONS Granular boekhll req'd around base- barrel Grain cent. bli t Cont. pod 7� Hydrant yioll meet bed fit eada end City of Carmel Specifirmilcm t. •' Ca+c edtar M not in paved aria C-t valve box Go oats ralw (may j Ibd• braw HYDRANT DETAIL . BEDDING AND BACKFiLL PIPE AND FITTINGS The pipe used for construction of the water mains shall be ductile iron. All If the water main is constructed within 5 feet of a paved area, the pipe shall or coarse sands and gravels ductile iron pipe shall be centrifugally cast and shall be made in accordance be be bedded. Bedding shall be either crushed stone extend from 4 inches below the pipe invert to halfway up the pipe barrel- with ANSI A21.51 (AWWA standard C151), latest revision. Pipe shall with and by hand tamping or by The bedding shall be compact the cemenbnortar lined per AWWA C104. material in. The trench shall be backfilled with crushed stone or coarse sands All pipe shall be push -on joint type with a minimum pressure class of 350. rating of 250. and gravel. All other trenches can be badkfilled with suitable excavated materials. Non - I Fittings shall be mechanical joint with a minimum pressure suitable backfll materials include rocks over 3 inches in size, concrete, frozen Lubricants used shall be non -toxic and shall not support the growth of bacteria material, roots and rubbish. and shall not have a deteriorating effect on the gasket or pipe. No taste or THRUST BLOCKS AND RESTRAINING JOINTS odor shall be transmitted in a pipe which has been flushed per AWVVA Concrete thrust blocks shall be placed between solid ground and all fittings standards. (tees, crosses, bends and plugs) to prevent movement. Concrete used for thrust .?7 blocks shah have a 28 day compression strength of 3000 psi. Restraining Gaskets shall comply with ANSI Standard A21.11. Push -on joints shall be p�� � � � where acceptable to the City. - single rubber- gasket joints. Mechanical joints shall be gasketed and bolted 1.3 joints. Gasket dimensions shall meet the manufacturers standard design SITE RESTORATION be dimension and tolerances. The size and shape shall be such that an adequate The construction area not located on the owner's property shall compression force is provided against the spigot and socket after assembly so restored to pre�onstruction condition following that a positive seal is provided for all combinations of joints and gaskets. construction. The trenches shall be restored to original Gaskets shall be vulcanized natural or vulcanized synthetic rubber. shape and grade by backfilling with excavated materials. Grassed areas shall be seeded and mulched. The seed applied shall be L HYDRANTS AND VALVES Two 2 -1/2 irmch hose high quality with a mix of approximately 65% 10% Red Top. Fire hydrants shall be 6 -inch size witty 6-inch connection. Kentucky Bluegrass, 25% Perennial Rye Grass, and nozzles and a 4-1/2 inch pumper nozzle shall be provided each threaded to thoroughly flushed then disinfected using a meet the local Fire Department requirements. All nozzle caps shah be HYDROSTATIC TESTING chained to the hydrant. Hydrant shall be break type as manufactured by Mueller After installation of the pipe, fittings and valves, the Company or equal. water main shall be subjected to a hydrostatic pressure test. The pressure test shall be a minimum duration of two Where indicated provide 6-inch gate valve with valve box. Gate valve shaft be hours but not more than six hours. The system shall be at the far end of 44-50 parts per million (ppm). The chlorine solution shall rated for 200 psi pressure. The valve shall be double disc type, iron body. tested at a pressure of 150 psi. The provisions as set forth in AWWA C-600, } bronze mounted, conforming to AWWA C500. Valve box shall be cast iron with $action 4 "1 be followed. The test shall be be at least 10 ppm. cover marked "WATER ". and should be painted traffic yellow. conducted by first slowly filling the pipe system thoroughly flushed. Flushing shall be adequate so that the water quality shall with water. Air shall be expelled form the line using corporation cocks be shown by testing to be comparable to the water It the existing water system. EXCAVATION FOR WATER MAINS Installed by the Contractor at all high points. After the sit is expelled, the Minimum trench width shall be 1.25 times the pipe O.D. plus 12 irmches. corporation cocks shall be sent to 'the Indiana Department of Health for All water mains shall have a minimum earth cover of 54 inches over the top closed and the test assure applied. The test shall be adjusted based upon the relative elevation of time test gauge to 7 of the pipe. If during the excavation the trench is excavated below the elevp elevation the trench excavated below the pipe laying pressure the lowest elevation of the line. hour intervals shall be required prior to the line being put in service. When laying elevation, the part of shall be corrected with approved material which is thoroughly COMPIllctsd Dig dw pressure testing, any pipe, fittings, or valves which are If the soil at the bottom of the trench is riot uniformly good and stone, hard visible shall be viewed carefully for any damage or defect. Any damaged or defected material shall be replaced and the acceptable, the chlorinat" procedure shall be repeated followed by new pan, shale or cemented gravdi are exposited, the trench shall be excavated testing repeated. below the grade line and balled with tamped selected fill. Alter completion of the pressure test, leakage shall be :■ 4GANI INOIN![NINo 1177310 B C V Im is .r,o„ .. 'V Min 0�4y.+•+000' �— - Mi T"kv 'W �7 J Q, ins• ,, �J �=,��� � ,r i i rmRils r &k ocA, Tired' The Owner shall be responsible for temporary Increased chlorine dosage to f bA7" 01 At" - ib i (/YO s-r r"I 'C ry �? a r 0 . e. p. Ar 4. i1 yby �� to QO 75 rot Al.? 16 (dff9 Q7 AAf IS 4f .0 .?7 .93 C (22,ft) .0.3 0.e 1.3 ?.o . ?.9 13 , 6o" A64 #V*W46 ors. /r a¢ mwrRA f* r~ ,W71f'f s POW �+• * Ole AXV PS-10., t. P =p*,- or A**11e ba/womo * /Z* y d concntfs. L1 1 1 I J I R I n V M 1 U 1. W 11 ■ F f� 1A calculated and compared to the acceptable limit. The amount of leakage is The Owner shall be responsible for temporary Increased chlorine dosage to determined by the quantity of water that is added to the new line at start -up. the piping system during the pressure testing to maintain a pressure within 5 psi of the test pressure. The CONNECTION TO EXISTING LINE d to an existing 164nch water line on 131 st be connect acceptable leakage is that calculated with the following formula: ' The water main shall at an existing gate valve. Street east L = SD P/133,200 WHERE: SERVICE CONNECTION red waters brass meeting dose L = Allowable Leakage (gph) Corporation Stops "if be grained stops shall pig -type valve with S = Length of Pipe Tested (ft) AWWA Standard C'�• Corporation The �side shad be threaded D = Nominal Diameter of Pipe (inches) rectangular operator. The sue, shall be a Of the flttrW P =Average Test Pressure during time Pressure Test (psig) for direct tap to the main. M sheu be Mueller Company or The piping system is acceptable as long as the system leaks does not p'p'ng y Y leakage compression coupling - - "y''' "" Ford. - - exceed the calculate allowable limit. The T K seamless meeting ASTM 13- be copper tubing. Type exception to this rule is that all visible leaks shall be repaired regardless of the The service lino shall le. The tubing shall be made at a 45 degree ang leakage amount. ' 88. The tap to the main shall then be gently beat to the elevation required for the service connection. An Owner side of the motor. A shut off valve DISINFECTION Following testing and prior to placing in service, the water malt shall be angle valve shah be placed on the shall be placed on the customer side of the meter • Meters smell be located be Installed ern the thoroughly flushed then disinfected using a inside buildings. BackflOw prevention devices shop chlorine solution. The chlorine solution can be either a gas-water mixture or a building side of the water meter. calcium hypochorite solution. Water used to dilute the chlorine solution shall be obtained from the water line to which the new line is connected. The water should be added to the water line at a rate to achieve a chlorine residual at the far end of 44-50 parts per million (ppm). The chlorine solution shall remain in the lihe for a minimum of 24 hours. After this period of time, the } chlorine residual in the line shall be tested at representative locations and be at least 10 ppm. After chlorination of the line, the treated water in the new line shall be thoroughly flushed. Flushing shall be adequate so that the water quality shall be shown by testing to be comparable to the water It the existing water system. . ' Samples of water from the new line shall be collected under the direction of Utility personnel. These samples will then be sent to 'the Indiana Department of Health for bacteriological testing. At least two sets of successive satisfactory bacteriological samples taken in 24 hour intervals shall be required prior to the line being put in service. When initial test results are- not acceptable, the line shall be lightly flushed and the sampling/testing procedures repeated. If the test results are still not acceptable, the chlorinat" procedure shall be repeated followed by new samples and tests. Approved by: I I FAIL: 311-544-3019 Otte -j -� Qsi Sc.k: WIA rob no.: K