operation and guarding of entire gaseous chlorination system at h.w site in jatragachi r.r. plot under ntk water supply project.- 1 part-a (for f.y. 2025-26 from 01.09.2025to31.03.2026) operation& guarding of the entire gaseous chlorination plant under supervision of gas plant supervisor round the clock by engaging sufficient no. (3 nos.) operator. the cost includes the visit charges of gas plant supervisor at least 02 days in a month as and when required along with expert technician for servicing of the installation at above sitefrom01.09.2025to31.03.2026. 2 part-b (for f.y. 2026-27 from 01.04.2026to31.03.2027)operation& guarding of the entire gaseous chlorination plant under supervision of gas plant supervisor round the clock by engaging sufficient no. (3 nos.) operator. the cost includes the visit charges of gas plant supervisor at least 02 days in a month as and when required along with expert technician for servicing of the installation at above sitefrom01.04.2026to31.03.2027. 3 excess charges to be paid on item no. 1.00 in case of enhancement of wages as will be fixed by the ccompetent authority (rate will be fixed as minimum wages + bonus + contractor profit + esi + epf contribution)part-b total (sl. no 2 & 3) for f.y. 2026-2027 (from 01.04.2026to31.03.2027) = rs. 885558.10n.b.:- work should be completed as per attached terms & conditions.