Construction of Raini Chak Subhai Water Supply scheme in Block Joshimath District Chamoli

Amount

Providing of all materials, 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.

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

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-0.45 M X 0.45M)

RCC CWR:-Design, testing bearing capacity of soil and construction of R.C.C semi sunk Clear Water Reservoir of following capacities in K.L. including supply of necessary scaffolding, shuttering and other accessories along with supply and fixing of inlet and outlet pipes of size equal to sizes of inlet and outlet pipe line, making bye pass arrangement, fixing of overflow pipe in outlet pipe/distribution system, & M.S. Manhole of size as per norms, supply and fixing of M.S. Steel Ladder outside and inside the tank, and colour washing of approved class snowcem and along with carting of all materials including supply of all materials, labour, T&P etc. complete as per latest IS specification or as per satisfaction & approval of Engineer in Charge.

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.

Supply,cartage of all labour,material & T&P and construction/Fixing of Chlorinator of FRP coated Bucket type of 25 liter capacity over CWR.

Construction of Steel intake chamberat tapping point for collection of water including supply of all materials, labours, T&P etc. complete.

Supply of all materials, labours, T&P etc and construct of Break Pressure Tank

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

SARVASHWAR PRASAD PUROHIT

HEERA SINGH