NIT No-03 EE (SDW) II/ (22-23) Item No. 08

Renovation/Overhauling of 2500 X 2500 mm C.I sluice gate installed at 1200 MM dia. pipe line at 45 MGD STP Okhla with following works:- Making arrangement to stop the inflowing/ Sewerage water from common channel to the by making a temporary arrangement with M.S. sheet, gunny bags. Providing of M.S. Plates with ‘U’ channel below the Gate for lifting of gate through the Jacks and other tools & tackles.

Isolating the chamber by operating Sluice Gate and providing metallic sheet & gunny bags to ensure no flow in the chamber. Dewatering the stagnated effluent and cleaning with the help of sump pumps and D.G. Set. De sludging and Cleaning the chamber for execution of work.

Providing the Temporary plate form made out with the help of wooden phatta, Balli etc. to work at the gate and removing the same after completion of work.

Dismantling of head stock assembly, separating gears, bushes & thrust bearing dismantle of old rusted M.S. channel and C.I flap and spindle and etc.

Providing G.M. Bush, worm, gear fabricated as per sample in terms of shape, size, & finishing, providing of thrust bearing as per sample.

Providing of S.S. spindle of 90 mm dia and 3000 mm Long made out from S.S-410 non magnetic material. The work includes turning, threading, finishing in all respect as per sample.

Providing of M.S. channel 175 X 75 mm.

Fixing the above M.S. channel with help of gas cuter, welding machine and hole Farsal and tools & tackles as per site requirement for sliding the smoothly the C.I flap.

Providing of G.M spindle nut fabricated as per sample. The work includes turning, threading finishing in all respect.

Cleaning of C.I sluice flap by the abrasive paper, grinder and chemical and etc as per site requirement

Cleaning of ‘U’ Channel grouted vertically in C.C. Block by chemical solution and grinding for fixing the M.S channel

Painting the gate with two coat black anti corrosive paint after proper cleaning etc.

Assembling the Gate along with all accessories with the help of long boom crane & lowering/ lifting tools & tackles, heavy labour etc with proper balancing/ alignment in the ‘U’ channel. Testing & commissioning i/c all other civil work required at site with all safety precaution during execution.

AMANDEEP ENTERPRISES