Onsite repairing and overhauling of 8 (Eight) Nos. of 11 kV n 3.3 kV grade, 400 Amps grade HT Circuit Breakers of various makes, provided for control of different feeders
B&K · Bokaro, Jharkhand · Electrical Equipment & Supplies · open
Key facts
- Tender value: ₹9.0L
- EMD: ₹11K
- Published: 26 Sep 2026
- Closing date: 08 Oct 2026
- Status: open
- Department: Central Coalfields Limited
- Office: Bokaro Colliery
Description
Tender for onsite repairing and overhauling of 8 nos. of 11 kV and 3.3 kV grade HT circuit breakers at Bokaro Colliery, including supply of various components and parts as per specifications.
Eligibility & requirements
- Startup relaxation: No
- MSE relaxation: No
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Commercial terms
- Bid type: Open Tender
- Make in India (MII): No
- MSE preference: No
Line items (18)
- Supply and Providing of top Spout bushing insulator 11 kv grade with complete studs bushing and nuts and washer suitable to breaker design and standard — Qty: 9 Nos
- Supply and Providing of Potential Transformer 3.3kv/110 volt 3 phase with Fuse Assembly Complete set — Qty: 4 Nos
- Supply and fixing of complete gear teeth with main charging spring mechanism for spring mechanism 11kV grade CB — Qty: 2 Nos
- Supply and fixing of moving contact 3.3kV 400Amps grade — Qty: 12 Nos
- Supply and fixing of tripping coil and closing coil 110 volt dc complete with bobin operated — Qty: 12 Nos
- Supply and fixing of copper busbar of 2 inch thickness of rated capacity of 400Amps and peak withstand of 800Amps for bus connection — Qty: 8 Nos
- Supply and fixing of master trip relay 110Volt operating — Qty: 6 Nos
- Supply and fixing of Current Transformer 200/100-5-5 for HT Circuit breaker — Qty: 12 Nos
- Supply and fixing of complete wiring harness for 11kV and 3.3 kv circuit breaker for both operating and tripping for mechanical and electrical operation — Qty: 6 Nos
- Replacement & fixing of Vaccum interrepture 11 kv grade 400 amps grade with short circuit capacity of 3200 amps — Qty: 3 Nos
- Supply and fixing of fixed contact complete with assembly 400Amps grade — Qty: 9 Nos
- Replacement of Ampere meter and Volt meter digital type (0-9999V) — Qty: 10 Nos
- Supply and fixing of HRC Fuse with base 16 amps grade with three replacement back up fuse per unit — Qty: 24 Nos
- Supply and fixing of power pack unit 110V AC/DC with battery bank with input 110V AC output 110V DC- 12V DC — Qty: 8 Nos
- Complete tank cleaning and Changing of old oil and overhauling of contact mechanism at site — Qty: 4 Job
- Supply and fixing of selector switch for Ammeter and Voltmeter — Qty: 12 Nos
- Supply and fixing of Main Charging Spring — Qty: 3 No
- Total impact of GST for the purpose of CTC — Qty: 1 Nos
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