Supply and Construction of Source Works Roughening Filter Supply Main CWR and Distribution System and Appurtenant works etc complete under Goi Chhani Water Supply Scheme of block Kalsi District Dehradun

Amount

Excavition in soil mixed with shingle boulder etc. Requiring the use of special T & P such as sabbles etc. excaved earth into the trenches or into the space between the building & sides of foundation trenches or into the plinth and removal & disposal of surplus earth upto distance of 60m, from the foundation trenches.

Same as item No. 1 but excavation in medium Rock including stcking of useful material within 60m, distance.

Excavation of earth for pipe line trenches of supply main in the following strata requring the use of special T&P such as Pick Axes Sabbals etc. or by controlled blasting or by crow bars with a lift up to 1.5 m and lead up to 30 m including refilling, watering and ramming of excavated earth into the treches and removal and disposal of surplus earth to the suitable place from the trenches including supply of all materials, labour, T&P etc. complete & also it is estimated that 75% trecnhes will be in soil mixed with shingle, bazri, boulder and rest of 25% will be medium rock.

Soil mixed boulder with boulder & bazri

Medium rock

Cement concrete with 2 cm gauge approved stone ballast, coarse sand & cement in proportion 4:2:1 including Supply of all material, labour & T&P etc. requiring for proper completion of work.

P.C.C 1:4:8 with 40 mm gauge stone ballast including supply of all materials, labour, T&P etc. complete.

Random Rubble (R.R.) stone masonary in 1:6 cement and Local sand in plinth & foundation including supply of all material labour and T & P etc. required for proper competion work.

Same as above item no.9 but laid dry .

Checking of Survey, Design the Supply main, distribution of G.I. (Medium Quality) by screw socked joint conforming to IS:1239(Part-1) supply of pipes, carting, laying & jointing in the trenches to the specified depth including other appurtenant works such as fixing of air valve, sluice valve, reflux valve at suitable pionts including making of scouring arrangment at suitable locations by fixing of tee connection & gate valve etc. complete and also testing & commissioning of laid pipeline including supply and carting of all materials, labour, T&P etc. complete of following sizes.

Construction of R.C.C ( 1:1.5:3) semi sunk circular service water resvervoir with bucket type chlorinator at top of following capacity and other appurtenant works including supply of necessary scaffolding, shuttering and other accessories along with construction of valve chambers, fixing of inlet and outlet pipes, making bye pass arrangement & fixing of lightening conductor & M.S Manhole, fixing of railing around top some, supply and fixing of M.S. Steel Ladder outside and inside the tank as per apporved design of R.C.C. tank in latest IS codes including colour washing of approved class snowcem and also connecrtion with the existing nerwork along with carting and supply of all materials, labour, T&P etc, complete.bucket type chlorinater 25 liter

10 K.L.cap

Supply of all materials, and construction of valve wheel valve chamber of 60cmx60cmx60cm size (as per design). Including all.

Supply of all materials, and construction of air valve chamber of 60cmx60cmx60cm size (as per design). Including all.

Supply and fixing of following size of wheel/ Gate Valve for Feeder Main/ Supply Main as per BS or as per IS 778:1997 including cartage of materials (as per design).

Supply and fixing of the 20mm size air valve including supply of all material labour T&P Extra complete of work.

Supply of all material and construct piller type stand post as per drawing & direction of Ecngineer incharge including carting and fixing of Bib cock but excluding cost valve.

Provide all material and consruct intake chamber as per drawing & direction of Engineer incharge including carting and fixing of M.H cover but excluding cost of valve.

Checking of Survey, Design the Supply of all materials, labour T & P etc. and equipments to construction of Roughening Filter as per hydraulic design and required capacity.

M/S RANVIR SINGH CHAUHAN