Repair and maintenance including diversion and extension of 3.3KV overhead line from 3MVA/3.3KV Transformer, Jhirkey Basti to Jhirkey River Side and Harizan Tola to Safique Gali Transformer and Mustaque Gali under Kathara Colliery for the period of 0
Central Coalfields Limited · Kathara, Jharkhand · Civil Works & Infrastructure · open
Key facts
- Tender value: ₹13.7L
- EMD: ₹18K
- Published: 15 Oct 2026
- Closing date: 24 Oct 2026
- Status: open
- Status as of: 20 Oct 2026 02:06 UTC
- Ministry: Ministry of Coal
- Department: Central Coalfields Limited
- Office: Kathara Colliery, Kathara Area
Description
Repair, maintenance, diversion and extension of a 3.3KV overhead line under Kathara Colliery, including associated pole, conductor, insulator, earthing and manpower work. The BOQ specifies a one-year period of work.
Eligibility & requirements
- Startup relaxation: No
- MSE relaxation: No
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Commercial terms
- Bid type: Item Rate
- Evaluation: Item wise
- Make in India (MII): No
- MSE preference: No
Line items (15)
- 2 — Qty: 3 4
- Erection of metallic pole/steel tabular pole of length exceding 10M but not exceeding 12 M in cement concrete 1:3:6 (1 Cement : 3 Coarse Sand : 6 Graded Stone aggregate 40mm nominal size) foundation including excavation and refilling etc as required. — Qty: 8 Nos.
- Supplying and erection of stay set complete (galvanized) with 19/20 mm dia X 1.8M long stay rod, anchor pláte of size 45 cm X 45 cm X 7.5 mm, thimble, stay clamps, turn buckle (20mm X 60 cm), 7/4.00 mm dia G.I. stay wire and strain insulator etc in cement concrete 1:3:6 (1 Cement: 3 Coarse Sand 6 graded stone aggregate 40mm nominal size) foundation including excavation and refilling etc as required. — Qty: 12 Nos.
- Supplying of channel iron 75MM X 40MM X 6MM (7.14 Kg Per Mtrs) cross arm for 2 wire overhead line complete with clamps, bolts, nuts and washer etc. including drilling of holes for insulator pins etc. (as per drawing) and painting with primer and finished paint as required. — Qty: 12 Nos.
- Supplying of two lengths of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) double pole cross arm for three wire 11KV over head line conductors complete with through bolts and nuts for clamping to the poles, 50 mm X 6 mm M.S. flats welded on one side to the channel iron and with bolts and nuts on the other side for tying the cross arms together, including drilling holes for insulator pins/ fittings, bolts, nuts and washers etc (as per drawing) and painting with primer and finish paint as required. Details of cost for One Set — Qty: 12 Nos.
- Supplying and erection of a set of cross bracing FRL same work for 11 KV/440 Volts over head line double pole structure having four members fabricated out of 50 mm X 50 mm X 6 mm angle iron to form a rectangle of minimum size 1400 mm width X 2500 mm height, complete with 50 mm X 6mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts and nuts etc (as per drawing) and painting with primer and finish paint as required — Qty: 3 Nos.
- Supplying and erection of 11 KV pin insulator complete with large steel head G.I. pin, nuts, washers etc. as required. — Qty: 40 Nos.
- Erection of angle iron / channel iron cross arm on Wood /RCC/PCC/Steel Tubular/Rail Pole etc as required. — Qty: 124 Nos.
- Supplying and erection of disc insulator for 11 KV over head lines with galvanized insulator fittings, ball and socket type and complete with galvanized strain clamps, bolts, nuts, washers etc. as required. — Qty: 60 Nos.
- Dismantling of pole / street light standard / strut embedded in cement concrete foundation etc. — Qty: 8 Nos.
- Erection of all aluminium / DOG conductor of 7/2.11mm to 7/3.00 diameter and above including binding etc as required. = 2.5KM x 394/kg = 985 Kg. + 2% sagging + 2% binding 1024.4 Kg. — Qty: 1024.4 Kg
- Dismantling of over head lines comprising of copper /aluminium over head conductor, G.I. wire, cross arms, insulators etc. a) DOG Conductor 1400mtr x 0.394kg/mtr = 552 Kg. b) Pin Insulator 15 Nos. x 2 Kg. = 30 Kg. c) Disc Insulator 18 nos. x 6 kg. = 108 Kg. d) Channel Bracket 60mtr x 7.14 kg. = 428.40 Kg. e) Total = 1118.40 Kg. — Qty: 1118.4 Kg
- Earthing with copper earth plate 600mm X 600mm X 3mm thick including accessories, providing masonry encloser with cover plate having locking arrangement & watering pipe of 2.7M long (with charcoal and salt). — Qty: 6 Nos.
- Day to day repair, maintenance including minor O/H fault rectification and as per the Instruction of Engineer In-Charge. (Skilled Manpower) — Qty: 365 Days
- Day to day repair, maintenance including minor O/H fault rectification and as per the Instruction of Engineer In-Charge. (Unskilled Manpower) — Qty: 365 Days
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