WBPHE/AE/MMSD1/NIeT1OF202526

PART-A Supply and delivery of following materials at site:- Submersible pumping machinery directly coupled with submersible motor at 220V(±10%), 50(±3%)Hz. Material of Construction :- Pump bowl : Housing : C.I. Pump / Motor shaft : SS-410. Impeller : Bronze/CS/SS NRV Size: 32/40/50 mm Starting Method : DOL Speed : 2900 rpm max. Discharge(Q) -7 m3/hr and Head(H) - 62 mtr. [ Make- Approved ]

50 mm dia uPVC (Standard type) Column pipe with both side threaded and one side socketed, Make – Ashirbad/Aroma/Approved make 3.05 Mtr. Long .

1.5 Mtr. long .

50 mm diaTop and bottom adopter (CI)

Pressure gauge, 100 mm cast Al. dial along with DN-15 GI impulse line with valve. (0 – 10 Kg.) Make- H Guru/Febig

M.S. fabricated split type suitable tube well cover as per tube well housing with a necessary clamping arrangement with including holes for column pipe, air pipe and cable entry etc.

Safety device for the above pump set by suitable M.S. cage with clamping arrangement and nylon rope as per required length including supplying nuts, bolts and other necessary materials as per direction of E.I.C.

MS suspension clamp with necessary nuts, bolts & washer etc suitable for 50 mm dia column pipe (Size-300 mm x 50 mm x 6 mm each)

10 sq.mm. 3 core 1.1 KV grade PVC insulated XLPE Ar. AL conductor cable.

2.5 sq.mm. 3 core, 1.1KV grade PVC insulated & sheathed copper flat submersible cable. Make:Finolex

50 mm dia CIDF Non Return Valve conforming to I.S. : 5312, Part-I (P.N. 1.0), Make: Approved make

50 mm dia CIDF sluice valve (PN-1.0) As per I.S 13095 Make: Approved make

50 mm dia heavy type MS black Pipes (For Common Delivery header Pump under Sl No-1, along with necessary bends, specials, fittings, viz. flanges, bolts, nuts, gaskets ,concentric enlarger , MS Dismenteling joint, for connecting main pipe line etc. including providing MS/Brick/PCC support for laying of pipes & valves as reqd. to make the installation complete in all respect and as per NIT.

DOL Starter Controller with Ammeter and Voltmeter and MCB protection suitable for 230 V , 1 ph supply , Relay Range 6-25 A (make (BCH/Standard/L&T / Approved Make)

32A,240Volt double pole rewirable main switch metal sheet enclosed.

PART-B Installation testing commissioning of above Supplyed items vide Sl-(1-18 & ) in part-A including cost of construction of foundation of chlorine machine, Valve support, fabrication of M.S Structure, grouting, cost of welding, fitting fixing of new valves, and connecting to main delivery line througth underground pipe laying etc including supplying of all necessary metarials viz nut & bolts, including painting by synthetic enamel paint at part of rising main,valves etc after removing of old paint by scrapping & cleaning to complete the jobs in all respect as per tecnical specification and as per direction of E.I.C

Laying of one No. 3 core 10 sqmm Al Ar. Cable in under ground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trench with shifted soil, leveling up and restoring surface duly rammed

Making double earthing arrangement in compliance with IE rules by G.I. pipe electrode of 50 mm. dia 3 mtr. Long 2 Nos for panel and pumping machinery 20 mm. x 3 mm. G.I. earth strips from earth pit to panel and all other accessories required to complete the work

P K ENGINEERING (BID ID -6336507)

SUJOY RANJAN BHOWMICK (BID ID -6336798)