Supply, Installation commissioning of Secondary gaseous chlorination arrangement for Sherpur Distribution Zone under Southern sector of Malda Arsenic Area Water Supply Scheme, PHE Dte.

Amount

Supply and delivery of wall mounted vacuum operated gaseous chlorinator, capacity 0 - 1 kg/hr with all equipment, instrument and accssories including 4 (Four) nos. 100 Kg cylinders (2W+2S) as per enclosed list of materials. Make : Wallace & Tiernan (Evoqua) / Capital Control / Industrial Device/ Other approved make TC & GC to be submitted during delivery of materials. [Make and drawing to be approved from E.I.C before placement of order ]

Installation the components as described in sl. No. 1.00 as per technical specification including supply of all erection materials, providing dosing point on the rising main by making required size of hole, clamping the dosing unit including drawing power line to booster pumps and leak detector with necessary earthing as per I.E. rules upto the satisfaction of E.I.C.

Supply, delivery at site of 1 no 100 Amp. T.P.N. Main switch with re-wireable Fuse system with iron frame, 3 nos 100 amp re-wireable type porcelain based Cut Out and fixing the same on wall by supplying necessary fixing materials for receiving 3 phase power connection from WBSEDCL along with supplying and drawing of 25 sq mm 3.5 core Al. Armoured cable from 100 amp Main Switch to control panel (approx 15 mtr.) as required.

Making internal wiring/electrification of the chlorine room by ( 1.5sqmm X 2 + 1mm. earthing wire ) single core PVC insulated multistrand FR Grade flexible Al. wire through PVC conduit pipe by Supplying one 16Amp .(Havells)SPN Main switch on iron frame with PVC Board & piano key type switch. ( ave. run 6 mtr) i) Single Tube Light,single Bracket light, Bulk Head light-2nos, 5pin 5Amps.Plug point with necessary Earthing arrangement & One Fan point , Two no Exhaust fan point (Total point 7nos. with one plug point) including drawing power by suitable gauge Cu.wire from panel board to SPN main switch as per direction of EIC (fittings should be of Philips make & rising should be with continuous earthing arrangement ).

Commissioning the entire system for leak-proof operation of the gaseous chlorination plant including first filling of 2 nos. cylinder & for 8 hrs. of continuous running.

Trial operation, maintanance of the entire system by engaging 2 nos. operating personnel for 3(three) months. (Wages to be given to the operator on prevealing rate as on the day of operation icluding bonus.)

MANIK CHANDRA SAHA

GHOSH BROTHERS