Construction of three number pot hole in the riverbed intake well at Damodar river under Dihika Pumping Station under AMC.

Amount

Making the there nos. ports for taking water from river into the intake well, all necesssary arrangements including civil and mechanical works to draw surface water from river considering lowest water level.normal water l evel. Maximum water level in river. Opening of ports in RCC seining wall (600 mm to 900 mm thick) of intake using diamond cutter and or by suitable machinaries to achive vibration free cutting of R.C.C. wall. Supply, fitting and fixing for making mechanical and civil arrangement for control and regulation of inflow of water operable from the flour of pumphousewith the provisions such as lock gate, threaded spindle, rubber mounted MS frame etc. Provision of screens or suitable arrangement to prevent the flowing debris( floating substances) etc, and minimizing the entry of sand in the well and all complete as per approved design & drawing and as per the direction of EIC. Stability in all respects of intake well must be considered while designing and at constructional stage. N.B design, drawing with design calculations should be submitted and approved by jadavpur university. The hole to be done under the rock level of the river. The agency will be fixed one number 400 mm dia sluice valve of kriloskar/ upadhryay/ IVi make and two numbers tail piece.

Supply & delivery of CI mechanical joint specials as per IS 13382/1992 or ammendment upto date with flower gland , nuts , bolts and rubber rings( complete sec) including all taxo & charges what so ever as per specification and ditrection of EIC including loading unloadings and transportation. A. C. I. MJ Bend 400 MM DIA 90 DEGREE. Supply of cast iron socketed specials or flanged pipe and specials accordance with IS-1781/1986 and IS-1538/93 suitable lead joint for socketed fittings and flanged joints for flange fitting including transportation carriage loading & unloading taxes and duties as per specification & directions of engineer. The rate includes all labour & materials complete for double flanged 400 mm dia pipe. M.S. works in frmaed grattings of window etc made of round or square bars and frame work or M.S. flats ( with the bars securely fixed to the flat bar frame with or without intermediate flat bar stiffeners and fixed with necessary screws etc complete as directed in ground floor for netting arangement of river bed hole.

M/S Konar Construction

DHANANJOY DUTTA