Installation of 500 mm dia butterfly valve and sluice valve alongwith laying of 500 mm dia interconnection line between gandhi maidan bps feeding line and behala dedicated main adjacent to central store, grww.

Manufacture, supply, fitting - fixing of two nos. 500 mm dia and one no. 600 mm dia manhole on 600 mm dia budge budge bps and 1050 mm gandhi maidan bps rising main with ancillary civil work opposite to police barrack of grww.

Laying ms 900mm dia interconnection pipeline between 900mm maheshtala bps feeding line and 1000mm behala dedicated main alongwith instllation of 900mm bfv opposite voice institute on new taratala road.

Construction of brick chamber for valves, manhole and washout assembly of 500 mm diameter interconnection pipeline between behala dedicated main and gandhi maidan bps feeding line at back side of clariflocculator unit, wtp-ii of grww.

Laying of 450 mm interconnection pipeline between 1050 mm gandhi maidan bps and 600 mm budge budge bps rising main with other ancillary work at the backside of clariflocculator no.4 of wtp-ii of grww.

Installation of three nos. 450 mm dia sluice valve on 450 mm dia interconnection pipeline between 1050 mm dia gandhi maidan bps feeding line and 600 mm dia budge budge ps delivery line opposite central godown of grww.

Replacement of damaged 200 mm dia. c.i sluice valve installed on 200 mm dia. rising main of collection channel sitlee

Repair to 500 mm dia. sitlee- lohar rising main of ht pump house along with allied works and providing fitting of 100 mm dia. air release valve on 500 mm dia. old sitlee- lohar rising main

Repair to 500 mm dia. mssw sitlee- lohar rising main of ht house along with other allied works and also repair to 200 mm dia. sluice valve installed on rising main from collection channel to filtration plant no. 1

Repair to 500 mm dia. mssw sitlee- lohar rising main of ht house along with other allied works and also repair to 200 mm dia. sluice valve installed on rising main from collection channel to filtration plant no. 1