Name of Work:- Providing and Laying of 100mm DI and 90mm PVC Pipeline arrangement at Thiruttangal, Virudhdunagar Main Road.
Sl. No.
Item Description
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Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches for laying of pipes for water supply in the following type of soils Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil as Directed by the Departmental officers
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100mm DI pipe
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90mm PVC pipe
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Supply of Materials
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100mm DI pipe ( DUCTILE IRON CLASS PN10 FLANGED PIPES AS PER IS 8329/2000)
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90mm PVC pipe (UN PLASTICIZED PVC PIPES FOR POTABLE WATER SUPPLY AS PER IS 4985 /2000 6KSC)
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150mm GM Gate Valve
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100mm GM Gate Valve
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90mm GM Gate Valve
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Jointing the C.I/ D.I - S/S pipes and specials with molten lead and Yarn including caulking the joints. (Including cost of jointing materials) 100mm dia
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Lowering of 100mm DI pipe pipes and specials to trench andlaying to proper grade and alignment and asdirected by the TWAD Officers
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Lowering of 90mm PVC pipes and specials to trench andlaying to proper grade and alignment and asdirected by the TWAD Officers
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Refilling the Excavated trenches after laying of 100mm DI pipe Complete as per standard Specification
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Refilling the Excavated trenches after laying of 90mm PVC pipe Complete as per standard Specification
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Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc., complete for the 100mm diametre DI of pipes. Please Enable Macros to View BoQ information
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