WBPHED/EE/AMD/ NIeT-11 of 2025-2026/6

Amount

SINGLE PANEL VCB PORTION:-

Supply of 11 KV PT Spout.(Approved Make)

Charges for PTs Secondary wire disconnection, dismantling the PTs from circuit, dismantling the old PTs Spout and new PTs Spout Fitting & Fixing, then PT secondary wire re-connection and after re-fitting the PTs at circuit testing & power re-storation as per direction of EIC.

315 KVA AUTOMATIC VOLTAGE REGULATOR:-

PCB Relay Card supply for AVR.(Make:-Approved make)

Voltage Controller Potentiometer (1K) supply.(Make:-Approved make)

Control Transformer supply 50 VA, 240 V/110 V.(Make:-Approved make)

Supply of Carbon Roller.(Make:-Approved make)

Supply of Tag & Tail.(Make:-Approved make)

Supply of 1100 VA UPS.(Make:-approved make)

Supply of CLS Contactor (Make:- Siemens, Type- 3TH30- 22-0A, 110 V AC, 5 NO+ 3NC).

Supply of Silica Gel.

Supply of all kinds of Gaskets & Oil Seals supply for Both HT Sides, Bushings, Top Cover, Inspection Cover, Valve etc. of 315 KVA, 11 KV, Automatic voltage regulator as per specification.

Supply and delivery of transformer oil as per IS:335 specification in a sealed drum.(Make:-approved make)

After removing the all power line connection from the H.T. AVR(Both Sides), Drainage old/moistured oil from the existing main tank of A.V.R. through the valve and stored in a container, then dismantling Top and inspection cover, HV bushings, coservator tank. Next removing the old silica gel, breather, all kind of gasket and oil seal from the whole A.V.R. and replacing by the new one, also functioning the damaged control circuit, regulator arrangement by supplied materials from SL No-2.01 to 2.09, this cost included with Old UPS Replaced by New UPS, Auto- Manual Operation Rectification Charges, Carbon Roller & Tag & Tail Replacement Charges as per direction of EIC.

Filling the transformer oil through filter machine by old oil and newly suppllied oil after filtration to the 315 KVA A.V.R. 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 Asansol to Bhaburia Head Works site and back as per direction of EIC.

Making necessary connection of A.V.R. at HT sides after cleaning, washing tightened up the cable end socket and rapping with new adhesive and insulation tapes, including testing and commissioning all complete as per direction of EIC.

3 PANEL VCB(1 I/C+2 O/G):-

Supply of 25 Amp, TNC Switch, Spring Return- Pistol Grip Handle with 1-Trip & 1-Close contact.(Make:-Kaycee, Model No-BCA01P006K142/N/32)

Supply of single phase voltmeter with auto exit from setup, elegant ergonomic design, intuitive dual function key, bright LED indicators - Kilo & Phase indications for measured value, CL-1.0 accuracy, 50 Hz.(Make:-Schneider, Model No-DM1210)

Supply of Supporting insulator for 11KV P.T.(Make:-Approved make)

Supply of Supporting Insulator for 11 KV 3 Panel Busbar.(Make:-Approved make)

Supply of 185 Sq. mm. X 3 Core, 11 KV grade, Indoor type, Heat shrinkable End Termination Kit supply.(Make:-Raychem, Model No-EPKT3111/Other approved make)

Supply of TCS Relay.(Make:-ABB, Model- 1MYN569697-E, Volt- 110-125 V AC/DC)

Supply of 8 Channel Annunciator.(Make:- Minilec, Model- MBAS 0600, Item No-2 8B 0S MP0)

Supply of Spring Charging Limit switch.(Make:-Approved make)

Supply of 4 Amp Fuse with Base & Holder.(Make:-Approved make)

Supply of 2.5 sq. mm. Heavy duty Cu. Socket.(Make:-approved make)

2.5 Sqmm PVC insulated(Un-sheathed) FR-LSH Cu wire single core multi strand 1.1 KV grade as per IS:694.(Make:-approved make)

Supply of 2 Pole Toggle Switch for Spring Charging Motor.(Make:- Reputed, In- 10 A)

Supply of Spring Charging partial Gear Mechanism (Small Gear with handle, handle associated gear) for 11 KV VCB.(Make:-approved make)

Supply of digital MFM with THD & individual harmonics upto 15th over communication, 13 different wiring configuration scheme, Volts, Amps, PF, THD, F, W, Wh, VA, VAh, Var, Varh, Runhrs, Omhrs, Interupts, Preloaded Demand & Import /Export, Min/Max Monitoring with Date/Time stamping, Calibration LED and Heart beat LED for communication Status, Communication: POP or RS485 port.(Make:-Schneider, Model No-EM6400NG+)

Supply of digital frequency meter CI0.2, 50Hz or 60Hz, AC or DC control power, LED indicators for phase identification in 3-ph meters.(Make:-Schneider, Model No-DM1310)

Atfirst removing all damaged/non functioning relays, annaunciator, fuses, switches, spring charging arrangement etc from the existing 3 Panel VCB, then replaced by new one, making whole control circuit as per SLD of this, testing all equipments are functioning properly as per direction of EIC.

Add GST @ 18%

Add CESS @ 1%

M/S.S.S.ENTERPRISE (BID ID -6623607)

WEST BENGAL ENGINEERING CO. (BID ID -6610583)