bids are invited for flushing / cleaning of ugrs of various bps in r.k puram ac-44. - flushing/cleaning of following reservoirs/ sump well (ground) 01 rk puram sec 4(ugr-i &ii)09 vasant lok bps02 munirka enclave bps 10 hill view bps03 munirkavihar bps 11 rbi bps04 munirka dda bps12 vasant village bps (ugr-i & ugr-ii)05 munirka village bps(ugr-i & ugr-ii)13 vasant apartment bps06 rk puram sec 7 bps (ugr-i & ugr-ii) 14 moti bagh bps07 rk puram sec 1 bps15 satya niketan bps08 rk puram sec 5 bps16 bhikajicama bpscleaning of under ground sump, over head r.c.c. 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 scrubbed thoroughlywith 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 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. total quantity : 1