Supply, Laying and Jointing of G.I. Pipe line (m), FHTC work and other appurtenant works of Phase II Kotha Water supply scheme in block Gairsain of District chamoli under Jal jeewan mission FY 2022-23

Supply, Laying & Jointing of G.I. Pipe line (m) and other appurtenant works of Phase II Kotha Water supply scheme in block Gairsain of District chamoli under Jal jeewan mission FY 2022-23

Construction of 6.00m vide B.F.G at Sirani Gadhera including construction of intake chamber and supply of all materials,labour, T&P etc. Complete

Construction of Steel Intake chamber having (0.60m x 0.60m x 0.60m) size at tapping point for collection of water including supply of all materials, labour , T&P etc.

Extra Length 4.00 m Boulder Filled Gallery

Construction of R.C.C. roughening filter cum screening chamber near by tapping point of following sources in different zones under existing water supply scheme, for collection of water including supply of all materials , labour, T&P etc. complete.

Supply of all materials, labour, T&P etc and construction of R.C.C. Sump / CWR of following capacities (KL) with M.S. ladder outside & inside of the tank, M.S.M.H. cover with locking arrangement, supply and fixing of chlorinator, cowl,outlet, over flow and wash out pipes with necessary sluice valves, pipe pieces (including cost of materials) flooring 0.60 M wide apron, painting with approved water proofing (apex) / enamal paint, testing, filling water for testing purpose etc. including supply of vertical pipes and specials, assuming bearing capacity as 8MT/M2 . 3.00 KL

supply of FRP coated MS bucket type chlorinator of 25 ltr capacity with chlorination arrangements

Providing of all materials, carting from site store to site of work, laying & jointing of G.I. Medium screwed pipes (including supply of all jointing materials like specials, white lead, hemp and oil etc.) in trenches with its cutting, threading and testing of pipe line etc complete.(GI medium quality (As per marked G.I. Pipe conforming to is 1239)) 20 mm dia

25 mm dia

32 mm dia

40 mm dia

Dismantling of following dia screwed and socketed G.I. Pipes, specials and fittings including taking out of dismantled G.I. pipes and specials from trenches and stacking them properly within 50.00m but excluding the cost of earth work 40.00 mm

20 mm dia

25 mm dia

32 mm dia

40 mm dia

(b) High head cast iron air valves 15 mm dia (TP-10kg/sqcm)

Excavation of earth for pipe line in following strata lift upto 1.5m. Lead upto 30m. Including refilling,watering,ramming of excavated earth into the trenches and removal of surplus earth upto adistance of 60m. Fromtrenches including supply of labour,T&P.etc complete.Assuming that 60% pipe line is laid in trenches ,it is estimated that 75% exavation will be in soil mixed with shingle,bajri&boulders and rest 25%will be in soft rock (a) Soil mixed with boulder and bajri

(b) Medium Rock/Soft Rock

Relaying of dismantled G.I.Pipe in true alignment in trenches including supply of all materials,labour,T&P etc. complete.

Supply of all materials, labours, T&P etc and construct gate valve chamber as per type design complete.(0.60x0.60)

Supply of all materials, labours, T&P etc and construct air valve chamber as per type design complete.(0.45x0.45)

Supply of all materials,labours ,T.&P. etc. and making ferrule connection to provide FHTC to the consumers under JJM complete (assuming average 30.00m length for a single connection) (As per household survey)

Provision for Cutting of C.C Khharinja

Reinstatement of C.C khharinja.

RR Stone Masonary with 1;6 cement and sand mortar along the pipe line for proper completion of work

R:R Stone masonary laid in dry for pipe line

Cartage of Material

M/S RAMESH CHANDRA SATI CONTRACTOR CHAMOLI