WBPHED/EE/BMD/NIeT-21 OF 2024-2025/5

Amount

Attending the fault at Hirbandh, 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 with connecting HT, LT cables.

TRANSFORMER

Supply and delivery of All kinds of Gaskets & Oil Seal for HT & LT Bushings, Top Cover, Inspection Cover, Valve etc. of 630 KVA 11 KV / 433 V OLTC Transformer

Charges for gasket changes for 630 KVA 11 KV / 433 V OLTC Transformer 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,

Charges for OLTC thorough 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

Charges for Oil Filtration with removes impurities, moisture, and dissolved gases from the insulating oil. Trf – 1010 x 2 nos = 2020 Ltrs. OLTC 210 Ltrs x 2 nos = 420 Ltrs.

Charges for Di-Electric Strength Test (BDV Test)

Transportation cost for carrying oil filter machine, BDV testing set etc.

Supply and delivery of New Transformer Oil. The oil should meet IEC 60296-2003 standards, with specifications including viscosity (max 12 mm²/s at 40°C, max 1800 mm²/s at -30°C), flash point (min 140°C), pour point (max -30°C), and other properties.

Supply and delivery of Transparent Breather with 1 Kgs. Silica Gel

Supply and delivery of 200-Watt Space Heater Supply for OLTC

Replacement charges for 1 Kg. Breather & 200-Watt Space heater

Transformer body De-Rusting and Painting (including Paint supply)

3 PANEL VCB

Supply and delivery of Overcurrent & Earth fault Relay for Incomer, O/G-1 & O/G-2 Panel Make: Schneider, Model: Micom P111 / Easergy P1

Charges for old defective Over current & Earth Fault Relay Disconnection from circuit, Dismantling the OC & EF Relay, Replacement, Calibration & Retro-fitting including fixing plate of New Over current & Earth Fault Relay Installation including Retro-Fitting plate supply

Supply and delivery of 8 window Annunciator for O/G-1 Panel Make: Semuda, Model: Semalarm 6002, Volt 110 DC

Supply and delivery of TNC Switch for O/G-1 & O/G-2 Panel Make: Kaycee, 25 Amp.

Supply and delivery of Tripping Relay for O/G-1 Panel Make: GE T&D, Model: VAJH

Supply and delivery of 3 Phase Digital Ammeter Make : Schneider

Supply and delivery of 3 phase Digital Voltmeter Make: Schneider

Supply delivery and installation of 4 Amp 415 V HRC Fuse with base Make: Siemens; Type: 3NW20NNSF

Replacement & calibration charges of 8 Channel Annunciator

Replacement charges of TNC switch

Replacement & Calibration charges of Tripping Relay

Charges of 4 Amp HRC fuse with base replacement

Replacement & calibration charges of 3 Phase Digital Ammeter

Replacement & calibration charges of 3 phase Digital Voltmeter

Supply and delivery of Hermetically Sealed Single-Phase Potential Transformer supply for Incomer Panel Make: Audiovision Ratio: 11 KV/√3 / 110 V/√3 / 110 V/√3, Secondary – 1: 100 VA, Class 1.0 Secondary – 2: 50 VA, Class 3P Insulation level: 12 kV / 28 kV / 75 kVp OVF: 1.2 times continuous and 1.9 times for 8 hours (Including PT Fuse Supply) (1 Set = 3 Nos)

Charges for Disconnection of 3 nos. defective PT from circuit, Dismantling the PT, Cleaning of burnt portion inside Panel, 3 nos. new PT Installation Secondary cable connection, Testing, Power Circuit & Control Circuit Checking & Power Charging

Add: 18% GST

Add: 1% Cess

M/S. DILIP MITRA (BID ID -6331435)

EASTERN INDIA SALES AND SERVICE (BID ID -6323721)