WBPHED/EE/AMD/ NIeT-16of 2025-2026/5

Amount

Testing, Calibration & configuration of existing substation equipments:-

Cleaning, Servicing & Testing of 11 KV VCB Panel as per fully satisfaction of EIC.

Cleaning, Servicing, Tightness Checking, OTI, WTI, Buchholz Relay, Checking of 315 KVA, 11/0.433 KV Transformer, LT PDB, LT MCC Panel etc.

Supply and delivery of following materials at site(For 3 Panel VCB Repairing):-

110-130 VDC indicating LED lamp block with built in leakage currage protection.(Make:-ABB, Model No-MLBL-05L, Coloured-Blue)

110-130 VDC indicating LED lamp block with built in leakage currage protection.(Make:-ABB, Model No-MLBL-05W, Coloured-White)

110-130 VDC indicating LED lamp block with built in leakage currage protection.(Make:-ABB, Model No-MLBL-05R, Coloured-Red)

200 Watt space heater voltage 230 VAC.(Make:-Recco)

Thermostat, with temperature 30°C-110°C,15 Amp,230/250 V AC.(Make:-Elon Glod, model No-MM-106)

6 window, micro-processor based alarm annunciator, 220-230 V DC/AC auxiliary supply.(Make:-minilec, Model No:-1 0B 6S P0)

2.5 Sqmm PVC insulated(Un-sheathed) FR-LSH Cu wire single core multi strand 1.1 KV grade as per IS:694. (Make:-Gloster/Mescab/Polycab)(For Space Heater & Thermostat)

Atfirst removing damaged annunciator, indicator lamp, space Heater, annunciator, thermostat etc from the VCB panel then replaced by new one, by engaging skilled electrician as per direction of EIC.

Charges for all Bus-Bars Dismantling, Rubbing, de-Sulfation Cleaning, Heating by applying CRC, WD-40, for IR Improvement and finally Re-fitting as per fully satisfaction of EIC.(For VCB)

Transformer Repairing & Overhauling Portion:-

Disconnection of the 315 KVA transformer from H.T. & L.T. side with proper protection by engaging skilled Electrician.(2 Nos of Transformer)

Drain out the old transformer oil from the transfomer up to the bottom level keep the same in an empty drum including supply of empty drum as per direction.(1000 Ltrs approx.) (For 2 Nos of Transformer)

Supply of Transformer oil as per IS:335(1993) specification in a sealed drum.(Make:-Servo/Power oil/Transol/approved make)

Atfirst loosening of cover bolts then removing of Top cover, Inspection cover, H.V. & L.V. Bushings, with conservator tank to cleaning the insides like Cores, Windings etc for 315 KVA transformer as per direction.(For 2 Nos of Transformer)

Placing the top cover and inspection cover in proper position and tightening of nuts and bolts after cleaning of the surface sludge of core and coil assembly with hot oil through filter machine for 400 KVA transformer as per direction of EIC.(For 2 Nos of Transformer)

Filling the transformer oil through filter machine by old oil and new supply oil after filtration to the 315 KVA Transformer engaging skilled and unskilled personnel for increasing IR value as per direction including hire charges of oil filter machine and oil testing equipment and 5 KVA DG set and carraige the same from and back as per direction of EIC.

Making necessary connection of Transformer at HT and LT sides after cleaning,washing tightened up the cable end with cable termination Kit and rapping with new adhesive and insulation tapes,including testing and commissioning all complete as per direction of EIC.(Both L.V. & H.V. Sides of 315 KVA Transformer)

Transparent breather with silica gel(1/4 Kgs) this cost included replacement charges.

Charges for Di- electric strength test(BDV Test) of transformer oil.(For Two Nos of Transformer)

Supply and coating of cold welding putty in WTI port of transformer.(For Both 315 KVA Transformer)

Fiber glass supply and replacement of breaked glass from marshalling box.(For Both 315 KVA Transformer)

Supply For LT PDB Repairing Portion:-

230 VAC indicating LED lamp block with built in leakage currage protection.(Make:-ABB, Model No-MLBL-07R, Coloured-Red)

230 VAC indicating LED lamp block with built in leakage currage protection.(Make:-ABB, Model No-MLBL-07L, Coloured-Blue)

230 VAC indicating LED lamp block with built in leakage currage protection.(Make:-ABB, Model No-MLBL-07YN, Coloured-Yellow)

Atfirst removing damaged indicating lamp then replaced by new one as per direction of EIC.

Supply For LT MCC Panel Repairing Portion:-

Three phase Ammeter CI1.0, accuracy 0.5 % on full scale for Volt & Amps,7 segment numeric LEDs of height ~14.2 mm (0.55 in) with 4 digits display in one row with kilo value indicator.(Make:-Schneider, Model No-DM3110)

230 VAC indicating LED lamp block with built in leakage currage protection.(Make:-ABB, Model No-MLBL-07R, Coloured-Red)

230 VAC indicating LED lamp block with built in leakage currage protection.(Make:-ABB, Model No-MLBL-07L, Coloured-Blue)

230 VAC indicating LED lamp block with built in leakage currage protection.(Make:-ABB, Model No-MLBL-07YN, Coloured-Yellow)

Star-delta timer 3 Sec to 120 Sec, 240 VAC, with 1 NO (Star)+1 NO (Delta).(Make:-L & K, Cat No-12SDT0)

Atfirst removing damaged indicator lamp, Star-delta timer, etc from the LT MCC panel then replaced by new one, by engaging skilled electrician as per direction of EIC.

Supply and replacement of CT Secondary terminal as per direction of EIC.

Add GST @ 18%

Add CESS @ 1%

WEST BENGAL ENGINEERING CO. (BID ID -6721967)

M S ENTERPRISE (BID ID -6707240)

MS S G Enterprise (BID ID -6702424)