tender for flushing / cleaning of ugrs of various bps under jangpura and kasturba nagar constituency ac-41 and 42. , flushing / cleaning of ugrs of various bps under jangpura and kasturba nagar constituency. 1. amar colony bps, 2. babu park kotla bps, 3. dda flat sarai kale khan bps, 4. siddharth enclave bps, 5. nehru nagar bps, 6. moolchand dda shoping complex cleaning of underground sump, over head reinforced cement concrete tank (independentstaging) including disposal of slit and rubbish, all as per direction ofengineer-in-charge. the cleaning shall consist following operations:- (i)tank shall be emptied of water by pumping & bottom shall becleaned of silt and other deposits. (ii) entire surface area of the sump shall then scrubbedthoroughlywith wire brush etc. and pressure washed with water. (iii) chlorination of reinforced cement concrete internal surface by liquid chlorine. (iv) the treated surface shall be dried using air jetting and all looseparticles shall be removal from the surface. (v) finally the surface shall be treated with ultraviolet radiation etc..as per direction of engineer-in-charge.