Name of Work:Repair and maintenance of Iron Over Head Tank at 199 BN BSF under SHQ BSF panisagar
Sl. No.
Item Description
1
Cleaning of under ground sump, Over Head R.C.C. Tank ( independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consistfollowing operations:- (i)Tank shall be emptied of water by pumping & bottom shall be cleaned of silt and otherdeposits. (ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water. (iii) Chlorination of RCC internal surface by liquid chlorine. (iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface. (v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge.
2
Welding by gas or electric plant including transportation of plant at site etc. complete.
3
Providing and fixing mild steel round holding down bolts with nuts and washer plates complete.
4
Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.
5
Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer\"s specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work
6
Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.
7
Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade:One or more coats on old work
8
Correction fctor on DSR 2023 on account of GST @0.973
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