Details: sub-head : repairs to buildings cleaning of pvc terrace water tank of at all heights consisting of the following operations. (i) dewatering (ii) cleaning of all dirt, algae from inside & outside the tank by scrubbing. (iii) removal of all dust, algae from the tank. (iv) washing the tank thoroughly from inside & outside. (v) disinfecting the tank with chlorine based chemical liquid/powder form. (vi) marking the date of cleaning tank with paint alongwith removal of earlier date of cleaning using appropriate paint remover and earlier date to be removed with paint remover note:- all dirt/malba/algae to be removed from terrace. pvc tank capacity upto 500.00 litres pvc tank capacity from 500.0 litres to 1000.00 litrs pvc tank from 1000 lit to 2000 lit capacity cleaning of rcc under ground sump, over head tank (independent staging) including disposal of slit and , all as per direction of engineer-in-charge. the cleaning shall consist following operations:- (i) tank shall be empti
Sector: Telecommunication