Laying and Jointing of MSERW pipe 125 and 150 mm (4.8 mm thick), GI Pipe line and Appurtenant works including testing and commissioning Under Hon. CM Ghoshna 2022-23 at Gairsain Urban Water Supply Scheme in Gairsain block of District Chamoli

Laying and Jointing of MSERW pipe 125 and 150 mm (4.8 mm thick), GI Pipe line and Appurtenant works including testing and commissioning Under Hon. CM Ghoshna 2022-23 at Gairsain Urban Water Supply Scheme in Gairsain block of District Chamoli . All rates shall be included all types of taxes and G.S.T.

Construction of Boulder Filled Gallery with 6 meter cross wall at tapping point for collection of water including supply of all materials, labour , T&P etc..

Construction of R.C.C. roughening filter cum screening chamber 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 . 300KL

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

Carting from site store to site of work, lowering into trenches with true to alignment, laying of MSERW pipes Grade Yst210, confirming to IS: 1978-1982, jointing by electric welding process with proper grade of electrods suitable for jointinng of water supply pipe lines (Ador, L& T or equivalent electrods) by cutting of pipes and making required bends by welding,completion of work with testing of pipe line etc complete. 125 mm Dia(4.8mm Thick)

150mm dia (4.8 mm thick)

Carting from site store to site of work, laying & jointing of G.I. 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. 25mm

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 32mm dia

40mm dia

Relaying of dismantled G.I.Pipe in true alignment in trenches including supply of all materials,labour,T&P etc. complete. 32 mm dia

Supply of valves and fittings ' I.S.I. marked medium class. Wheel Valve 125 mm dia

C.I. Air valve (Double Acting) 50mm

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 ,bajati& boulders and rest 25% will be in soft rock, (a) Earth & boulders

Medium Rock

Providing of all materials,labour T&P and construct following chamber as per type designs (a) Wheel valve chamber (0.60 x 0.60)

(b) Wheel valve chamber (0.90 X 0.90)

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

RR Stone Masonary laid in dry for pipe line for proper completion of work

Cartage of Material (58 KM X 2 = 116 KM by truck division store to working site)