Search/Sub head 14/14.78

14.78Cleaning 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 consist following operations:- (i)Tank shall be emptied of water by pumping & bottom shall be cleaned of silt and other deposits. (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.

Matches DSR 2023

Rate per sqm

84.85

DSR 2023

How this rate is built13 items, 4 additional charges

MaterialBleaching powder

LabourBhisti, Beldar, Coolie, Sprayer (for bitumen, tar etc.)

MachineryHire charges of Spraying machine including electric charges, Hire charges of Pump set of capacity 4000 litres/hour, Air compressor, Using cost of Ultra Violet Radiation tube

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Water 1%GSTCPOH 15%Cess 1%

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Near this item in the book

14.80.1Long pattern W.C Pan of size 580x440 mm · Providing & fixing White vitreous china water closet squatting pan (Indian type) along with “S” or “P” trap including dismantling of old WC seat and “S” or “P” trap at site complete with all operations including all necessary materials, labour and disposal of dismantled material i/c malba, all complete as per the direction of Engineer-in charge.

14.80.2Orissa pattern W.C Pan of size 580x440 mm · Providing & fixing White vitreous china water closet squatting pan (Indian type) along with “S” or “P” trap including dismantling of old WC seat and “S” or “P” trap at site complete with all operations including all necessary materials, labour and disposal of dismantled material i/c malba, all complete as per the direction of Engineer-in charge.