WBPHED/61_01/EE/BOLMD/24-25

Amount

Complete dismantling the existing system by removing booster pumps and its piping, different materials like ejector, vaccum creator, measuring glass of dosing, leak detector and all manifolds, valves, tubing etc. from the existing rooms and storing at a suitable place in the project as per direction.

Supply of major and minor items as per list attached for 2 kg/hr dosing . 2 kg/hr. CHLORINATION SYSTEM FOR WTP APPLICATION (1) Wallace & Tiernan (Evoqua) make vacuum regulator - 1 Set of 2 No. (2) Wallace & Tiernan (Evoqua) make S10K Scale controller, 100 gm/hr to 2.0 kg/hr scale, Manual control - 2 Nos. (3) Wallace & Tiernan (Evoqua) make Injector, 3/4", suitable for 40 PSI back pressure - 2 Nos. (4) Trunion roller support, one set containing two numbers - 2 Set (5) Auxiliarv isolation valve as per IS: 3224 - 6 Nos. (6) 5/16”x18 SWG flexible annealed cadmium plated copper coil with suitable end connection for - 2 Nos. (7) Yoke for fixing of flexible copper tube - 2 Nos. (8) Chlorine eas filter cum liquid trap - 2 Nos. (9) (1W+1S) tonner manifold with (1W+1S) diaphragm tvpe pressure eauge, 0-16 kg/cm2 capacitv - 1 Set (10) PVC NRV for injector delivery line - 2 Nos. (11) 1.25” PVC NRV for injector delivery line - 2 Nos. (12) 1.25” UPVC SCH40 solution line with 1 no. diffuser - 2 Nos. (13) 1.25” PVC Ball valve for injector delivery line - 18 Mtr (14) Diaphragm type pressure gauge, 0-7 kg/cm2, 3” dial with isolation valve - 1 No. (15) 1/2 OD PVC flexible Vacuum tube for chlorine gas supply connection - 5 Mtr (16) 3/8” OD PVC flexible Vent tube for pressure relief/ vent line of vacuum regulator - 5 Mtr (17) Multistage centrifugal booster pump suitable for 2 kg/hr chlorination system, make — Grundfos/KSB - 2 Nos. (18) 1.25” Y strainer - 2 Nos. (19) 1” GM bodv gate valve - 4 Nos. (20) 1.25” GM body gate valve - 2 Nos. (21) 1” GM body NRV - Nos. (22) Bourdon type pressure gauge, 0-10 kg/cm2, 3” dial with isolation valve - 2 Nos. (23) GI suction and delivery header for 2 no. booster pump - 1 Set (24) MS epoxy painted skid for booster pump - 1 No. (25) 1.25” & 1” GI pipe & fittings for common suction & deliverv line - 12 Mtr (26) Wall mounted chlorinator control panel with IP-52 protection - 1 No. (27) 4Cx1.5 mm2 Cu, stranded, flexible, cable 1 Lot (28) Perforated GI cable trey and PVC conduit for cable laying - 1 Lot (29) Emergency Kit for 900 kg chlorine tonner - 1 No. (30) Canister type gas mask - 2 Nos. (31) Spare canister for mask - 2 Nos. (32) Safety clothes - 2 Nos. (33) Face full mask with filter - 2 Nos. (34) Residual chlorine measuring kit - 2 Nos. (35) Ammonia torch with one bottle ammonia solution - 2 Nos. (36) Self-contained breathing apparatus with carrying harness, face mask valves, 1 number 140mm diameter air cylinder of capacity 1200 liters (30-minute duration)- 2 Nos. (37) Exhaust fan 1710 m3/hr, 90W, 230 VAC - 2 Nos. (38) Emergency alarm siren - 2 Nos. (39) Safety shower cum eye wash - 2 Nos. (40) Chlorine leak detector with single sensor, Make-Wallace & Tiernan (Evoqua) - 2 Nos. NOTE: 1W+1Sby chlorine tonner of capacity 900 kg considered for system design.

Supply and delivery of empty Toner having capacity for filling 900 kg liquid chlorine . Make : ISGEC or approved make.

Installation the whole system as per procedure with the new spares as mentioned in sl. 2 and other minor items which are not covered in the attached list to complete the installtion work .

Bailing out the existing caustic solution from the neutralization pit and cleaning washing the same for making new caustic solution with 1200 kg caustic flakes including supply of best quality caustic flakes. Make of caustic flakes - Surana/Bengal chemical/approved . ( Test certificate of caustic flakes to be submitted during delivery)

Add: @ 18% GST of Sl. No:1.00 to Sl. No:5.00

Add: @ 1% Cess of Sl. No:1.00 to Sl. No:6.00

M S ENTERPRISE (BID ID -5886704)

DEY ENTERPRISE (BID ID -5889035)

WEST BENGAL ENGINEERING CO. (BID ID -5904179)