Construction maintenance for 6 months and handing over to maintenance body of Irani water supply scheme in block Dasholi Distt Chamoli

Amount

Supply, Carting, laying, jointing, fixing, testing & commissioning of following sizes of G.I. pipe as per latest IS : 1239 codes specification (Class medium) with specials & fittings in trenches underground including cutting, threading etc. complete in all respect or as per direction of Engineer in charge.

Excavation of earth for Pipe Line trenches of Supply Main in following strata requiring the use of special T&P such as Pick Axes, Sabbals etc. or by 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 trenches and removal and disposal of surplus earth up to a distance of 60 m from the trenches including supply of all materials, labour, T&P etc. complete. Assuming that 90% Pipeline is laid in trenches & also it is estimated that 75% trenches will be in soil mixed with shingle, bazri, boulder and rest of 25% will be in medium rock.

Soil mixed with single boulder with bazri

Medium Rock

Supply, cartage & fixing of wheel valve(class-I) of following dia. including supply of all necessary T&P like flanges, nut bolts, rubber gaskets, etc. complete as per latest IS speciation or as per satisfaction & approval of Engineer in Charge.

Design, drawing & construction of wheel valve chamber, complete in all respects, as per directions of Engineer in charge including supply of material, labour, T&P and fixing of required size M.H. Cover required for proper completion of work.(Size-0.60x0.60 M)

Supply of all materials, labours, T & P etc and making Ferrule connection to provide FHTC to the cosumers under JJM (assuming average 30.00 m length for single connection)

PROTECTION WORK:-Construction of protection works including necessary Earth Work for Site Development, Service Reservoir etc. as per site conditions wherever necessary as follows :-

Random Rubble stone masonry in 1:6 cement and course sand mortar including supply of all materials, labour, T&P etc. complete.

Random Rubble stone masonry laid dry including supply of all materials, labour, T&P etc. complete.

Construction of R.C.C. Intake chamber having (0.6*0.6*.9) Size at tapping point for collection of water including supply of all materials,labour, T&P etc. complete.

Construction of R.C.C. roughening filter cum screening chamber Including supply of all material labour, T&P as per type design etc complete

ANUP PRAKASH CHAUHAN