Name of Work:- Repairing, servicing with replacing worn out components of C.I penstock gate no.1 at Momompur DPS under BDPS.
Sl. No.
Item Description
1
TOTAL
2
Sealing the incoming line by engaging diver using sand bags, M.S tapper plug, sealing compound etc and dewatering pump as required as per site situation
3
Construction of scaffolding with bamboo pole, wooden planks, coir rope etc. suitable for working in the screen chamber
4
Dismantling of C.I penstock gate & its assembly part by part , viz cotter pin, lead screw, pedestal, broken M.S joist, lead nut, palmer blocks etc. by engaging tripod, chain pulley block, wire rope & other lifting tackles & lifting the same from sump after cutting the necessary nut bolts, pin etc. by gas cutting as & where required
5
Manufacture and supply of 55 mm dia. × 4.5 mtr. long EN-24 steel lead screw.
6
Manufacture and supply of G.M lead nut to match with the above lead screw.
7
Manufacture supply of S.S cotter pin for fixing the penstock gate with lead screw size 30 mm dia. × 200 mm long.
8
Manufacture and supply of CI driving handle to operate the gate and properly matching with the lead shaft.
9
Mfg. of bronze liner as per existing size including making of the necessary pattern for mould liner and machining complete .
10
Fitting, fixing the GM seat rings in the repaired penstock gate & channel with necessary counter sunk brass screw etc.
11
Thorough painting of the repaired CI gates by 2 coats of red lead primer and anti corrosive paint.
12
Installation of repaired CI gate and channel in its position by using of Chain Pulley block, tripod as per required.
13
Assembling lead screws, lead nut, worm gear, hand wheel etc. & properly fitting, fixing with the pedestal & penstock gate including necessary greasing.
14
Remove the sealing for operation of the pumping station Please Enable Macros to View BoQ information
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