Cleaning of Underground Sump near Pump house and Underground sump of suited at Type-2 Qtrs, cleaning of RCC storage tank of Barracks, Adm block, Store Block, Quarter Guard, Women barrack, SOs, GOs Mess and other buildings at 100 Bn RAF Ahmedabad

Amount

1. Cleaning of terrace/loft water storage tank (inside surface area) with coconut rushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank. 2. Cleaning of under ground sump, Over Head R.C.C. Tank and CC tank.

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 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.