Enhancement of load capacity with bus coupler arrangement in circuit with capacitor bank to achieve the power factor (close to 1) at 11kv/3.3kv sub station karo OCP, BnK Area
Central Coalfields Limited · Karo OCP, Jharkhand · Electrical Equipment & Supplies · open
Key facts
- EMD: ₹28K
- Published: 04 Nov 2026
- Closing date: 16 Nov 2026
- Status: open
- Status as of: 05 Nov 2026 04:03 UTC
- Ministry: Ministry of Coal
- Office: B&K Area
Description
Electrical works to enhance load capacity and improve power factor at the Karo OCP 11 kV/3.3 kV substation, including busbar and connector supply and installation, isolator repairs and interlocks, civil foundations, current transformers, protection relays, cabling, and earthing. The BOQ contains 29 work and supply lines; prices are not provided.
Eligibility & requirements
- Startup relaxation: No
- MSE relaxation: No
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Commercial terms
- Bid type: Item Rate
- Make in India (MII): No
- MSE preference: No
Line items (30)
- 2 — Qty: 3 4
- Supply and Providing of round finished polished Aluminium tube for busbar 38/50 mm outer dia aluminium bus-bar of 6 mm thickness . — Qty: 55 mtr
- Fitting and fixing charges for installation and commissioning of Aluminium bus bar — Qty: 55 Metre
- Replacement and fixing of pad connector suitable for bus pipe having outer dia approx 50mm — Qty: 28 No.
- Replacement and fixing of T connector suitable for bus pipe having outer dia approx 50mm — Qty: 28 No.
- Replacement and fixing of connector of alloy aluminium pipe to pipe suitable for bus pipe having outer dia approx 50mm — Qty: 18 No.
- Replacement and fixing of support connector suitable for bus pipe having outer dia 50mm — Qty: 18 No.
- Supply and providing of 50 mm x 6 mm copper flat for making of Z shape — Qty: 36 kg
- Fiting, fixing including fabrication charges for Z — Qty: 24 No.
- Providing and fixing of corrosion resistant 11 kV post insulator — Qty: 36 Job
- Repairng of Double break type isolator 11 kv grade 800 amps — Qty: 3 Set
- Assembling and installation of line/bus isolator on the isolator structure adjusting of opening mechanism in proper alignment so as to ensure smooth operation of the same in case of line isolator — Qty: 3 Each
- Providing and fixing of Electrical / mechanical interlock arrangement between isolators and breaker with all required material. — Qty: 4 Each
- Excavation for foundation in soft soil including dressing of sides and ramming of bottoms , lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 metres. — Qty: 115 Cum
- Filling available excavated earth (excluding rock) in trenches, sides of foundations etc. in layers not exceeding 20cm in depth , consolidating each deposited layer by ramming and watering, lead UP to 50 metres. — Qty: 95 Cum
- Providing and laying in position cement concrete 1 : 2 : 4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) in foundation of pump, DG set etc including form work etc as require — Qty: 8.53 Cum
- Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. — Qty: 1055 kg
- Providing and making steel pole collar with cement concrete ( 1 cement : 3 coarses and : 6 stone aggregate 20 mm ) of specified size and shape including form work, plastering if required, curing etc as required. (volume of pole/ pipe not to be deducted) — Qty: 10 Nos
- Supply and Providing of Current transformer outdoor type 200/100-5-5-5 — Qty: 6 Nos
- Erection of Outdoor type current transformer — Qty: 6 Nos
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