REPAIR MAIN OF OLD RUSTED CI DI GI PIPE LINES AT BAPATLA PH NEAR AIR VALVE AND AT SURYALNKA PH UNDER AGE I SURYALANKA

Amount

S&F Cast iron pipes 150 mm dia with spigot and socket ends, vertically cast, class 'B' conforming to IS 1537-1976, in any length, laid in trenches with and including cost of necessary joints complete complete all as specified and directed.

S&F Cast iron fittings suitable for spigot and socketed pipes up to 150mm bore conforming to IS-1538 such as bends (any type radius and angle) tappers any type, (straight, bend, increasing, decreasing or double socket etc) Tee pieces single branches. "Y" junction, double branch, cross (all sockets or socket and spigot) collars, cap and plug etc complete all as specified and as directed.

S&F 100mm Cast iron non return valve, both ends flanged, PN1.6, with Gun metal spindle conforming to IS 5312 including taking down old U/s CI NRV complete all as specified and directed.

Supply, lay, jointing and testing GI pipes 'medium grade' of 50mm bore with all fittings laid in trenches including cutting /threading and taking down U/s old pipes as per site requirement complete all as specified and as directed.

All as per item No.4 above but for 40mm dia pipe

All as per item No.4 above but for 25mm dia pipe

Supply, lay, jointing and testing GI pipes 'medium grade' of 50mm bore with all fittings fixed to wall / floor / ceiling including cutting /threading and taking down U/s old pipes as per site requirement complete all as specified and as directed.

All as per item No.7 above but for 40mm dia pipe

All as per item No.7 above but for 25mm dia pipe

M&L for making suitable hole in existing 150/100mm DI/CI pipe and fixing of Iron 'D' Clamps with any ferrule size for tapping, including disconnecting the existing PVC/PPR/GI tapping pipe from PVC 110mm main pipe line by closing the old tapping with PVC dummy and reconnecting to ferrule with necessary accessories, fittings, Gaskets etc complete all as specified and directed. Note:- (i) Iron 'D' Clamp with Ferrule shall be measured and paid separately under relevent item as supply only. (ii) The quoted rate shall be inclusive of necessary earthwork excavation, returning filling etc complete.

Supply only iron 'D' Clamp made out of MS flat not less than 50mm x 5 mm for 150mm DI pipe with and including 25 mm GI socket welded to 'D' clamp with necessary gaskets, nuts and bolts for connection, including two coats of syntheic enamel paint over red oxide primer complete all as specified and directed.

All as per item No.11 above but for 100mm DI Pipe.

M&L for Cutting existing cast iron pipes, reducing to required length for extension after taking up water mains (including all fittings) with spigot and socket ends and lead joints including burning out joints.complete all as specified and directed.

Excavation in trenches not exceeding 1.5 m deep and not exceeding 1.5 m in wide in soft/loose soil for laying of Pipes all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick each, in soft /loose soil complete all as specified and directed. Note:-The back fill shall be neatly rounded/levelled over the trench to a sufficient height to allow for settlement to the required level all as specified in clause 18.56.6(a) of SSR-2009.

K VENUGOPALA SWAMY

K R ENTERPRISES