Installation and commissioning of 3.3 KV and 550 V NGRs and associated transformer components at Chapapur Colliery
Eastern Coalfields Limited · Chapapur Colliery, Jharkhand · Electrical Equipment & Supplies · open
Key facts
- Tender value: ₹9.4L
- EMD: ₹12K
- Published: 15 Oct 2026
- Closing date: 28 Oct 2026
- Status: open
- Status as of: 20 Oct 2026 02:05 UTC
- Ministry: Ministry of Coal
- Department: Eastern Coalfields Limited
- Office: Mugma Area
Description
Installation and commissioning of 3.3 KV neutral grounding resistors in two 1 MVA transformers and 550 V neutral grounding resistors in two 500 KVA transformers at Kalimati and Shivmandir substations of Chapapur Colliery, including associated materials, components, testing and labour.
Eligibility & requirements
- Startup relaxation: No
- MSE relaxation: No
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Commercial terms
- Bid type: Percentage
- Evaluation: Total value wise evaluation
- Make in India (MII): No
- MSE preference: No
Line items (19)
- 2 — Qty: 3 4
- Supply of neutral ground resistor outdoor type made by non magnative punched stainless steel grid 190+ 5% OHM 3.3KV 10 AMPS 10 SEC, TEMP , RAISED UPTO 375 + AMB WITH EARTH LEAKAGE AND FAIL SAFE FOR THE SYSTEM VOLTAGE 3300 VOLTS — Qty: 2 SET
- INSTALLTION &COMMISSIONING & TESTING NUTRAL GROUNDING RESISTANCE FOR THE SYSTEM VOLTAGE 3300 VOLTS — Qty: 2 SET
- PROFIT @10% — Qty: 1 SET
- Apoxy molded NGR monitoring Relay ReSISTANCE 425 Ohms, 250 W, 550V type IR 550 with sensitive EL relay solid state as per CEAR 2023 — Qty: 2 SET
- SUPPLY OF CONSUMABLE MATERIALS control cable foundation material contactor unit 110 V etc. for installation of neutral grounding resistance — Qty: 2 SET
- INSTALLTION &COMMISSIONING & TESTING NEUTRAL GROUNDING RESISTANCE FOR THE SYSTEM VOLTAGE 550 VOLTS — Qty: 2 SET
- PROFIT @10% — Qty: 1 SET
- Stem type temperature indicator with alarm — Qty: 4 SET
- Stem type of winding temperature indicator — Qty: 4 SET
- Heater pocket with winding temperature indicator — Qty: 4 SET
- Buchholz relay- — Qty: 4 SET
- Marsilin box- — Qty: 4 NO
- Signalling bell- — Qty: 4 NO
- Indicator arrangement with test/reset — Qty: 4 SET
- MS cabinet for housing the above item — Qty: 4 NO
- Multicore control cable-120 mtrs — Qty: 120 M
- Labour charge — Qty: 1 SET
- PROFIT @10% — Qty: 1 SET
1 tender document(s) available — sign up to download.
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