Directorate Of Municipal Administration Tender

WS04 - Removing and cleaning the CI / DI pipes and specials including jointing materials, washing (excluding valves) etc complete (I.No.2.13.13 Pg No.19)

WS05 -  Removing silt and slush from dewatering pit, draft tube, tail race pond, cooling towers etc., by mechanical means/ manually including multiple handling wherever necessary and stacking etc., complete with all leads and lifts. (For Power House and Allied works)s (Page no.10 I No.2.1.6 2023-24 SR VOL-1)

WS06 - Fixing DI/CI specials of mechanical jointing of different sizes after setting into the pipe line system, including cleaning, introducing rubber gasket to proper alignment and tightening with bolts and nuts. The cost includes hire charges of tools and plants with appurtenances etc. complete as per specification For CI / DI mechanical specials of 750 to 1000mm dia. (I.No.2.13.13 Pg No.19)

WS07 -  Lowering, laying, jointing and commissioning of ERW (Electric Resistance Welded)/ SAW (Submerged Arc Welded) MS pipes of Outer dia , including perfect linking and site welding of joints to M.S pipes after cleaning the surface including removing rust, millscales by using standard welding rod conforming to IS 6419 to correct position and giving satisfactory hydraulic test as per IS 3589-2001 at site as per detailed specifications for the following diameters as noted below, including bailing out of water wherever necessary including cost of all labour etc. complete . (Contractor will make his own arrangements for procuring water for testing) (PWD SR 2023-24 Vol-1 Pg No.48 I.No.3.3) M.S pipe 914mm dia

WS08 - Manufacturing, providing, trasporting, rolling, lowering, laying, jointing and commissioning of ERW (Electric Resistance Welded)/ SAW (Submerged Arc Welded) MS pipes of Outer dia (Fe-410 grade) conforming to IS 3589-2001 with latest amendments, including perfect linking and welding of joints to correct position, cost of the pipes, conveyance, lead, lift charges, cost of all labour and giving satisfactory hydraulic test as per IS 3589-2001 with latest amendments for testpressure and working pressure both at factory and site etc. complete as per detailed specifications inside with CM 1:1.5 lining of minimum 10mm thick for pipes upto 610mm OD and with minimum 12mm thick beyond 610mm OD and out side with minimum 25mm thick coating in CM 1:3 over 50 x 50mm weld mesh of 13 gauge, including loading and unloading of pipes for the following diameters and specified thickness of plate as noted below, including bailing out of water wherever necessary. (Contractor will make his own arrangements for procuring water for testing). Pipe of 323.9mm dia-7.9mm thick

WS09 - Pipe of 914mm dia-7.9mm thick

WS10 - Manufacturing, providing, trasporting, rolling, lowering, laying, jointing & testing and commissioning of MS specials of minimum 8mm thick such as bends, tail pieces, reduces etc. conforming to IS-7322:1985 with latest amendments and including perfect linking and welding of joints to correct position includng cost and conveyance of materials with all lead and lifts, cost all labour and giving satisfactory hydraulic test as per IS:3589:2001 with latest amendments for test pressure and working pressure both at factory and site etc. complete as per detailed specifications with inside lining two coat of food grade epoxy painting of approved make with Each coat of 250 micron thick (after dry) over one coat of food grade epoxy primer of approved make with minium of 50 micron thick (after dry) and outside 25mm thick coating in CM 1:3 by providing 50x50mm weld mesh including loading and unloading of the pipes for the following category to suit PSC / MS / CI / AC / DI / PVC pipes. The weight of MS shell only by considered before lining and coating for arriving at the rate. The thickness of plate will be specified by the engineer. (Contractor will make his own arrangements for procuring water for testing for: Note: 1) For small works where the C.M. lining is not practicable for inside surface of the pipe, food grade expoxy painting of two coat over one coat of epoxy primer may be proposed and got approved. 2) The above rates are applicable only for pipe works etc. complete Pipe bends,branches, tail pieces, reducers etc. for above 500mm dia pipes (I.No.5.37.2 Pg no.71)

WS11 -  Providing and laying in position Cement Concrete for levelling course for all works in foundation. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed, laid in layers not exceeding 150 mm thickness, well compacted using plate vibrators, including all lead & lifts, cost of all materials of quality, labour, Usage charges of machinery, curing, and all the other appurtenances required to complete the work as per technical specifications. Mix 1:2:4 Using 20 mm nominal size graded crushed coarse aggregates (Page no.10 I No.2.1.6 2023-24 SR VOL-1)

WS12 -  Refilling available earth around trenches/pipelines, cables in layers not exceeding 20 cms in depth, compacting each deposited layer byramming after watering with a lead upto 50 m , and lift upto 1.5 m. Including cost of all labour complete as per specifications (I No.1.10 Page No.7 PWD SR 2021-22 Vol 1)