WBPHED/EE/BMD/NIeT-11 OF 2025-2026/4

Amount

PART-A

Supply, delivery of clear water vertical wet type submersible pump suitable for bore well conforming to IS:8034(and as amended threreafter) with standard MOC for potable clear cold water and capable with a continuous rated-2 pole suitable wet type vertical squirel cage induction motor conformoning to IS: 9283(and as amended threafter) suitable for operation in AC Three phase 415V, 50Hz(category B motor) and as per technical specification givebn in NIT Method of starting – star delta Tube Well size-250mm a) Discharge-29 M3/Hour, Total head -29Mtr N.B-T.C. & G.C. needed. (Manufacturer test certificate along with curve chart should be submitted at the time of delivery) (Make-Approved)

Supply and delivery of the following materials at site : -

Supply, delivery and storage at site 80 mm dia UPVC Column pipe medium gauge both side 8 TPI threaded and one side heavy type socket other site rubber cap for threaded protector Standard (17kg/cm2). (Make-Approved)

1.5 mtr long

3 mtr long

Supply and delivery at site 80 mm dia CI Top Adaptor with flange (Single clamp) (Make-Approved)

Supply and delivery at site 80 mm dia CI Bottom Adaptor (small) (Make-Approved)

Supply and delivery of following valves

150 mm dia CIDF menually gear operated Butterfly valve as per IS-13095/1991 & Flange Drilled to 1538/1993 (P.N-1.0) ( Make-Approved)

200 mm dia CIDF menually gear operated Butterfly valve as per IS-13095/1991 & Flange Drilled to 1538/1993 (P.N-1.0) ( Make-Approved)

Supply, delivery and storage at site of following cables

2.5 sqmm 3core, 1100 Volt grade copper water proof PVC insulated submersible flat submersible cable,Conforming To IS : 694 As Amended Up To Date. (Make-Approved)

70 mm2 3 Core, 1100V grade XLPE insulated aluminium Armored cable ,cable As Per IS-7098 (Part 1) 2011 with Up To Date Amendments, (Make-Approved)

Withdrawing of defective submersible pump motor set from river bed tube well after disconnecting of all the electrical and hydraulic connections as per direction of EIC.

Laying of cable of 10 sqmm in a underground trench in single tier formation (Horizontal) the trench size 460mm x 760mm average depth without brick protection on the top and as required including filling the space in between the trench with shifted soil leveling up and restoring surface duly rammed as per direction of EIC.

Laying of cable of 70 sqmm in a underground trench in single tier formation (Horizontal) the trench size 460mm x 760mm average depth without brick protection on the top and as required including filling the space in between the trench with shifted soil leveling up and restoring surface duly rammed as per direction of EIC.

Lowering of repaired submersible pump motor set from river bed tube well after disconnecting of all the electrical and hydraulic connections as per direction of EIC

Installation and testing commissioning of the above pumping machiner valve, column pipe , top bottom adapetr (Sl No 1-3 &4.1) with dismantling the old existing colum pipe adapters from the pump after withdrawling and cost of hiring D.G set ( if required) to complete the jobs including Laying of two nos 2.5 sqmm 3 core Cable in an underground trench, all respect as per tecnical specification and as per direction of E.I.C.

Making 300mm(W) x 300mm(B) x 900 mm (H) size rising main supporting brick pillar at least 300mm depth from ground level to pumping floor level and neat cement finish all complete as per direction.

Add: 18% GST

Add: 1% Cess

PRADIP KUMAR DHABAL (BID ID -6918781)

Chakraborty Mining and Engineering (BID ID -6918892)