Providing services of operation and comprehensive maintenance (for 06 years and 03 months) of modern technology vehicle&amp#x0d mounted sludge and silt dewatering machines (03 nos.) for main sewer city, w/sub. and e/sub. sections of so department

Repairs/ maint to internal wiring, sub main wiring, fan, geyser and allied works in new ch area ch (ec) under ge (a) kolkata

Repair cleaning of septic tank soakage wells manholes and sewae lines in zone ii area under ge samba

Repair cleaning of septic tank soakage wells manholes and sewage lines in zone iii area under ge samba

Repair cleaning of septic tank soakage wells manholes and sewage lines in zone i area under ge samba

De-silting of 900mm dia peripheral sewer line and repair of damaged sewer manholes between nagin lake apartment chowk and peeragarhi chowk on outer ring road in the alignment of metro work by dmrc in nangloi jat ac-11 under ee (d)-072.

Mtc of pipeline by repairing of leakage and washing of existing pipeline in/c all other allied works in dtw schemes in different locations under hrishyamukh rd block area within the jurisdiction of dws sub-division belonia during the year 2025-26.

Maintenance of pipeline by repairing of leakage and washing of existing pipeline in/c all other allied works in different water supply schemes under jolaibari rd block under dws sub-division, jolaibari during the year 2025-26 (gr.-ii).

Cleaning and desilting of sewer lines of various sizes by bucket machine in village sikanderpur ghosi, ward no. 01 under the jurisdiction of ee- 3a, mcg. recall

Improvement of sewer line by desiting of sewer line including removal of pars and repair of buried/damaged sewer manholes in mundka village, firni road in mundka ac-08 under ee (d)-071. (reinvited)