Drilling of 02 nos large dia boreholes of 600/650mm with finish dia for dewatering at 19 cross cut area bottom section of Handidhua Colliery, Talcher Area.
Mahanadi Coalfields Limited · Handidhua Colliery, Talcher, Odisha · Civil Works & Infrastructure · open
Key facts
- Tender value: ₹51.0L
- EMD: ₹64K
- Published: 16 Oct 2026
- Closing date: 02 Nov 2026
- Status: open
- Status as of: 20 Oct 2026 23:29 UTC
- Department: Mining
- Office: Talcher Area
Description
Drilling two large-diameter boreholes with finished diameters of 600/650 mm for dewatering at the 19 cross cut area, bottom section of Handidhua Colliery, Talcher Area. The BOQ includes pilot-hole drilling, borehole drilling, casing pipes and lowering, and sealing of annular space.
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 (10)
- 2 — Qty: 3 4
- Drilling f 6"(150mm) pilot hole charge for drilling the 6" dia. pilot hole will be applicable only for the hole fail to puncture in the under ground gallery (124m x2no.= 248.00m) — Qty: 248 Mtrs
- Drilling of 26"(650mm) dia. Bore hole in alluvium 0 to 15m(15m eachx2no.=30m). — Qty: 30 Mtrs
- Drilling of 24"(600mm) dia. Bore hole in alluvium 15m to 122m(107m eachx2no.=214m). — Qty: 214 Mtrs
- Drilling of 20"(500mm) dia. Borehole in bottom of borehole(2x2=4m) — Qty: 4 Mtrs
- Providing 26"/ 650 mm dia (6.5mm thick) MS ERW Black Pipes (P/End) As per IS:3589 with TC for lowering(15m each) in 2 no's borehole(15mX2=30m) — Qty: 30 Mtr
- Lowering of 26"(650mm) dia. ERW casing pipe of 6.50 thick for lowering in 02 no.s borehole including welding with welder set welding rod etc(15mtx2=30mt.) — Qty: 30 Mtr
- Providing 20"(500mm) (6.5mm thick) MS ERW Black Pipes (P/End) As per IS:3589 with TC for lowering 02 nos borehole(123m X 2=246m) — Qty: 246 Mtr
- Lowering of 20"(500mm) dia. MS ERW casing pipe of 6.50 mm thick for lowering in 02 nos borehole including welding with welder set welding rod etc. 0 to 122mt.(122mtx2=244mt.) — Qty: 244 Mtr
- Sealing of annular space of 02no.s borehole between 24"(600mm) dia. And 20"(500mm) dia Borehole concrete with cement 1:1.5:3/1cement:1.5sand:3 graded stone of 20mm nominal suze) including of matterial labour charges machine use chage etc.**1) For 26" to 20" annual spacing= π/4((D)²-(d)²)h = π/4((0.660)²-(0.508)²)30=4.18m3*2)For 24" to 20" annual spacing = π/4((0.609)²-(0.508)²)214=18.96m3Total=23.14 m3 — Qty: 23.14 Cum.
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