WBPHED/EE/BMD/NIeT-13 OF 2024-2025/6

Amount

supply delivery of the following switch gear or other items for necessary rectification of the existing sub-station 2 nos 2000 KVA transformer, VCB , OLTC at site

f O.C & E.F Relay Make- Schneider Electric, Model- Micom P111/ Easergy P1

Power Contactor Make- ABB, Model- A30-30-10, Aux Volt- 110-120 V

10 Sq mm CU flexible cable

10 sq mm CU Pin Socket

200 Amp 3 pole MCCB for Capacitor Bank 3 Make- ABB, Model- Tmax

Supply of 25 KVAR Capacitor Make- EPCOS

Supply of Spring Charging Motor for 33 KV Incomer, O/G?1 & O/G-2 VCB Panel

Supply of 200-Watt Space Heater

Supply of Thermostat

2.5 sq. mm. S/C, 1.1 kV grade Control cable supply for space heater and thermostat wiring

Supply of HT Sleeves for 33 KV grade, 95 sq mm HT Cable

Supply of Industrial Hooter Make- STS, 110 V DC

Supply of 2-Way Change Over Rotary switch. (make- Kaycee, In- 10 A, Ui- 550 V

Supply of Single- Phase Digital Ammeter (Make- Schneider)

Supply of Single- Phase Digital Voltmeter (Make- Schneider)

Supply of Power Contactor Make- ABB, Model- UA 30-30-10 RA, Aux Volt- 230 V AC

Supply of 95 sq mm x 3 core, 33 KV grade, Indoor Type, Heat Shrinkable End Termination Kit

All kinds of Gaskets & Oil Seal supply for HT & LT Bushings, Top Cover, Inspection Cover, Buchholz, Valve etc. of 2000 KVA OLTC Transformer (33/0.433 KV)

Transparent Breather Supply with 2 kg Silica Gel

Transparent Breather Supply with 1/4 kg Silica Gel

Fitting fixing of the above said items Sl No 1.1-1.20 with expart engineers, electricians with needed HT inssulators, tapes,various cleaner by dismalting the 2000 KVA 2 nos transformers all HT LT terminals, opening the top cover, arresting any kind of leakage by changing the gaskets oil seal of top cover , inspection cover tap switches, consevertor tanks, radiators, buchholz, drain valve , HT-LT bushing portion, OLTC top cover & opening for replacement of PCB relay card , potentiometer , new UPS , Breaather replacement,2-way rotary switch, ammeter, voltmeter,O.C & E.F realy, power contactor, MCCB, Capacitor, spring charge motor, sleeve replacement , hooter replacement, change over rotary switch and other material With suppling of necessary HT-LT insulator tapes , seals , glands , glue, teflon tapes and other items to complete the work as per direction of EIC

Charges for gasket changes of 2000 KVA OLTC Transformer (33/0.433 KV) by disconnecting of all HT and LT terminals, draining transformer oil, opening of top cover, arresting of any oil leakage by changing of gasket and oil seal respectively various gasket portion like top cover, inspection cover, tap switch, conservator tank, radiators, Buchholz, drain valve (as where required) and HT-LT bushing portion

OLTC thoroughly Inspection, fixed & moving contact tightness checking, roller alignment checking, complete removing of insulating parts & IR improvement. Greasing of motor bearing sprocket. Mechanical alignment of tap changer sprocket & bearing

Attending the fault at Mukutmonipur WTP, Bankura District with carrying different Testing, Servicing kit/machine like Insulating Resistance Checking machine (1 KV, 2.5 KV, 5 KV) 3 Phase Variac, Current Injection machine/ kit, Voltage injection machine/kit, Blower, Multimeter, Clamp meter, Different type of tools tackles, Various Testing Wires, MCBS, Wires & Cables, HT insulation Tapes, Gas can with nozzle, CRC WD-40, Lecta Cleaner, Adhesive non Adhesive PVC Tape and items for complete servicing and testing the Transformers, VCBS, AVR with connecting HT, LT cables.

Charges for 33 KV VCB Dismantling, Rubbing, Cleaning by applying CRC, WD-40 and after that Heating treatment done to improve the IR value of 33 KV VCB Incomer, Outgoing-1 & Outgoing-2 Panel.

Charges for 33 KV HT cable disconnection, 33 KV CT primary & secondary side disconnection, 33 KV CT dismantling, Rubbing, Cleaning done by applying CRC, WD-40. After that Heating treatment done to improve the IR value, after improving the IR value finally re-fitting the 33 KV CT, reconnecting the primary and secondary connection and termination of 33 KV HT cable and power charging of 33 KV VCB Outgoing-1 & Outgoing-2 Panel.

Charges for CTs Spouts dismantling, Rubbing, Cleaning done by applying CRC, WD-40. After that Heating treatment done to improve the IR value, after improving the IR value finally re?fitting All CTs Spouts.

Charges for Busbar Spouts dismantling, Rubbing, Cleaning done by applying CRC, WD-40. After that Heating treatment done to improve the IR value, after improving the IR value finally re-fitting all Busbar Spouts

Charges for all 33 KV Bus-Bar Dismantling, Rubbing, Cleaning by applying CRC, WD-40, for IR Improvement, after improving the IR value finally re-fitting all Busbar.

Carring charges for oil filteration machine with Di- electric mchine from recommended workshop to work site of Bankura

Drain out of existing oil of AVR (A+C unit , C unit ) 2 nos 315 KVA trnsformer (1550 lit approx)

Hairing charges drums for holding the above said oil

Transformer oil filteration charges

Charges for Di-Electric Strength test (BDV Test) of 2 nos Transformer and 1 Nos AVR (A+C unit and B unit) oil

Add: 18% GST

Add: 1% Cess

MS S G Enterprise (BID ID -5912222)

M/S. SWAPAN BANERJEE (BID ID -5912281)

Premnath Mitra (BID ID -5912263)