tender for yearly day to day repairing & maintenance of various diameter rising main (1422 mm to 150 mm) generated from julpia bridge to bs-i, baruipur municipality (rural area), baruipur kmd rural area cwr, baruipur kmd rural area ohr-i, ii, iii, r24, baruipur puratan bazar to bs-ii rising main generated from bs-ii to r40, r41, r42, r43, r44, r45, r46, r47, r48, r49, r50, r51, r52, r53, r54 & r55, and including rajpur-sonarpur municipality (rural area), cwr, narendrapur ramkrishna mission cwr, sonarpur kmd rural area cwr, sonarpur kmd rural area reservoir-i, ii, iii, r14, r15, r16, r17, r18, r19, r20, r21, r22 & r23 under surface water based water supply scheme in the arsenic affected areas of south 24-pgns. district under south 24 pgns water supply divn-i, phe dte. (total length of rising main = 123740 mtr.) [for 01 year]