Karnataka Urban Water Supply And Drainage Board Tender

Supplying Ductile Iron pipes conforming to IS 8329:2000 with latest amendments and conveying to worksite, rolling and lowering into trenches, laying true to line, level and perfect linking at joints, testing and commissioning, including loading and unloading at both destinations and cuts of pipes wherever necessary including jointing of DI pipes and specials, (including cost of specials) with rubber gaskets including cleaning the socket and spigot ends with soap solution and applying soft soap to the spigot and socket ends before insertion of rubber gaskets, jacking and fixing in perfect conditions including cost of soap solution, soft soap, waste etc. and giving necessary hydraulic test to the required pressure as per ISS with all lead and lift including cost of jointing materials. (contractor will make his own arrangements for procuring water for testing) as per specification and as directed by the Engineer-in-charge -do-250mm dia DI line K-9 class

Supply, delivery to worksite, loading, unloading, stacking and fixing of Resilient seated sluice valve with body, bonnet of ductile iron of minimum grade GGG40, wedge fully rubber lined with EPDM and seals of NBR and the valves should be of vaccum tight and 100% leak proof with face dimensions as per BS 5163-89/IS 14846-2000/DIN 3202 F4/F5. the stem sealing should be with toroidal sealing rings (minimum 2 '0' rings). All the valves should be with electrostatic powder coating both inside and outside with pocket less body passage. The valves shall be supplied with suitable size galvanized bolts and nuts of required numbers, etc. Complete with all lead & lifts as per specification and as directed by the Engineer-in-charge -do- 250mm dia DI Valve PN -16

Providing Murrum/gravel bedding for the pipeline trenches including watering and consolidation by punners etc., complete with all lead and lift. ( In black cotton soil and rock reaches) as per specification and as directed by the Engineer-in-charge

Refilling the pipeline trenches and foundation with selected available earth from trench excavation and foundation including watering and consolidation in layers of 15 cms thickness with vibro rollers including disposing off the surplus earth with all lead and lift and as directed by the Engineer-in-charge.