WBPHED /EE/AMD/NIeT-11 of 2024-2025/2

Amount

Supply delivery the following materials at site :-

Supply delivery at site 3 Core X 6 Sqmm 1.1 KV Grade flat submersible copper conductor cable. (Make- approved make)

80 mm dia. ERW M.S. column pipe having thickness 4.85 mm,(as per IS 1239 Part-I Heavy Type) having 11 TPI thread at both end with one heavy type socket and painted by 2 coats of anticorrosive synthetic paint.(Each pipe 1.5 mtr long) (Make- approved make)

Vertical submersible pumping machinery directly coupled with wet winding type suitable size submersible motor with following specification: Capacity-54 m3/Hr. at a Head of 37 mtrs.,Motor submersible type-10 HP, 3 phase,50 Hz+/- 3%,415 Volt ± 6% ,2900 RPM, Star-delta starter.(Test certificate and guarantee certificate is to be submitted at the time of delivery) (Make- approved make)

3 Core X 16 mm² Aluminum Armored, XLPE insulated 1.1 K.V. grade cable,Conforming to IS 7098(I) as per direction of EIC.(From 63 Amp Spare feeder to wall mounted DOL Starter)

Making straight through joint between 1.5 mm2 or 2.5 mm2(motor cable) and 3 core X 6 mm2 submersible flat copper cable for extension of motor cable up to required lengh by supplying necessary seal kit to make joints leak proof all complete as per direction.

Sand cutting and removing from the river bed Ajoy for withdrawing and laying of cable line up to the depth of 1.5m from the damodar level as per direction of EIC.(New cable laying)

Earth work in excavation of Cable line trenches, in all sorts of soil including removing, spreading or stacking the spoils within a lead of 75 m. as directed &filling the same with excaveted soil including ramming dressing after all complete. The item includes necessary trimming the sides of trenches,levelling,dressing and ramming the bottom,bailing out water as required complete.(For Two Nos of RBTW)

Depth of excavation not exceeding 1,500 mm.

Laying of 10 mm2 x 3 core Al. Ar. Cable along the length of G.I. collecting line including fixing with supplied clamps, nuts and bolts at a suitable interval so as to prevent sagging of cable complete as per direction of EIC.(Panel to RBTW)

Filling the trenches with excavated sand by engaging manual labour as per direction.(Both new cable laying and damaged cable withdrawing)

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm.including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work)

With earth obtained from excavation of foundation.

Installation of submersible pumping machinery along with 80 mm dia. M.S. column pipe part by part in the newly sunk tube wells with an arrangement of derrick, lifting tackles, tools and plants etc. on hire basis and binding the vertical submersible cable with the column pipes properly and fixing M.S. Top Cover on the tube wells with supplying necessary Clamps, nuts, bolts, washers etc. all complete as per direction.

Making straight through joint of 3 core 10 mm2 and 3 Core X 6 sqmm Cu flat submersible cable by supplying ferule and necessary socket all complete as per direction.

Supply and fitting fixing of 10 HP DOL Starter,415 Volt Coil Voltage,50 Hz, Relay range-20-32 Amp,3 Phase at the wall of Pump House with suitable iron angle frame work should be done by skilled electrician.(Make- approved make)

Finishing the end of 3 Core X 10 Sqmm XLPE armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes,anticorrosive paste & jointing materials.

Panel Repairing Portion:-

Microprocessor based electronic motor protection relay with fault display features,& covering the protection features of O/L,U/C,Phase loss, Phase reversal, Unbalance, Locked Rotor, E/F. (Make- approved make)

Over current relay,Vr=24-240 V AC,50/60 Hz, Iin=1A/5A, SW Version 7D Manual.(Make- approved make)

3 Pole,63 Amp Power Contactor,Rated current (A) Ie AC3upto 415V, suitable for 30 KW motor at 415V 50Hz, 3ph, Coil Voltage-230 V with 2No+2NC.(Make- approved make)

3 Pole,22 Amp Power Contactor,Rated current (A) Ie AC3upto 415V, suitable for 11 KW motor at 415V 50Hz, 3ph, Coil Voltage-230 V.(Make- approved make)

Digital voltmeter input-100-500V L-L,(programmable) 4 digit,14 mm LED display,3 Phase, Accuracy CL-1.0, Size-96 mmX96mmX40 mm. (Make- approved make)

Digital Ammeter input-1A/5A ,(programmable) 4 digit,14 mm LED display,3 Phase, Accuracy CL-1.0, Size-96 mmX96mmX40 mm. (Make- approved make)

Auxiliary Contact block 1 NO(Make- approved make)

Auxiliary Contact block 1 NC(Make- approved make)

Compact LED RED indicating lamps 24 V AC/DC, 50/60 Hz.(Make- approved make)

At first remove the damaged EOCR,Contactor and other measuring/controlling instruments,indicating lamps etc from the existing panel after disconnection of all power line.Then fixing the above supplied materials at same place work must be done by Experienced electrician and wholly satisfaction of EIC.

Dismantling steel tubular/Rail/Strut embedded in CC foundation incl. excavation, filling of holes, restoring surface, loading at site and delivering, unloading, sorting, stacking properly at any place as per direction upto a lead of 1.6 km

Uprooting and cutting bushes and jungle top and side of the tube- well line and cleaning also of the deposited garbage from the collecting line for laying of cable,

Add. GST@18%

Add. Cess@1%

B T PROJECTS PRIVATE LIMITED

M/S. Sajahan Chowdhury

WEST BENGAL ENGINEERING CO.