Tender For Drivage Of 03 (Three) Nos. Drift From S.P. Combine Seam To B.P. Seam (Virgin) Under Kumardhubi Colliery. (3 Nos Drifts (Haulage 110 M, Travelling 94 M, Ventilation Purpose 80 M) From Sp Seam To Bp Seam, Dimensions 4.5M X 3.0M).
Tender Overview
Project Description
Tender for Drivage Of 03 (Three) Nos. Drift From S.P. Combine Seam To B.P. Seam (Virgin) Under Kumardhubi Colliery. (3 Nos Drifts (Haulage 110 M, Travelling 94 M, Ventilation Purpose 80 M) From Sp Seam To Bp Seam, Dimensions 4.5M X 3.0M).
BOQ
| Sl. No. | Item Description |
| 1 | Based on analysis |
| 2 | Coal Cutting by Electrical & Pneumatic Drilling, Blasting, and Mucking Manually as per direction of engineer in charge.•Section 1: 12.51×4.80×2.80=168.13 cum•Section 2: (10.25×4.80×2.80)/2=68.8 cum•Section 3: (10.0×4.80×2.80)/2=67.20 cum•Section 4: 7.75×4.80×2.80=104.16 cum•Section 5: 10.50×2.50×3.60=94.50cum•Section 6: (5.50×2.50×3.60)/2=24.75 cum•Section 7: (6.25×3.60×2.50)/2=28.13 cum•Section 8: 7.75×3.60×2.50=69.75 cum•Section 9: 11.60×4.20×2.50=121.80 cum•Section 10: (8.25×4.20×2.50)/2=43.31 cum•Section 11: (7.25×4.20×2.50)/2=38.06 cum•Section 12: 10.75×4.20×2.50=112.88 cum•Section 13: (78.0×4.80×3.0)=1123.20cum |
| 3 | Stone Cutting by Electrical & Pneumatic Drilling, Blasting, and Mucking Manually as per direction of engineer in charge.•Section 1: (10.25×4.80×2.80)/2=68.88 cum•Section 2: 72.5x4.8x2.8=974.40 cum•Section 3: (10.0×4.80×2.80)/2=67.20 cum•Section 4: (5.50×3.60x2.50)/2=24.75 cum•Section 5:52.75x3.60x2.50=474.75 cum•Section 6: (6.25×3.60×2.50)/2=28.13 cum•Section 7: (8.25×4.20×2.50)/2=43.31 cum•Section 8: 57.00x4.20x2.50=598.50 cum•Section 9: (7.25×4.20×2.50)/2=38.06 cum•Section 10: 20.00x3.00x2.50=150.00cum |
| 4 | Roof Bolting along Haulage Roadway, T/Roadway, Main Drift & Inter-connection:Drilling and installation of roof bolts as per Systematic Support Rules (SSR) across:• Haulage Roadway: (113 / 1.2 + 1) × 4 = 380 Nos. • T/Roadway: (95.4 / 1.2 + 1) × 4 = 322 Nos. • Main Drift: (83 / 1.2 + 1) × 3 = 210 Nos. • Inter-connection: (20 / 1.2 + 1) × 3 = 53 Nos. |
| 5 | Roof Bolting in Coal along Inter-connection from T/ Drift to Fan Drift:Providing standard structural roof bolt supports along coal strata connection routes(78 ÷ 1.2 + 1) × 4 = 264 Nos. |
| 6 | Manhole Cutting along Haulage Roadway:Manual pocket cutting, structural chipping, and dressing of statutory refuge manholes along the haulage path at specified intervals:• 12 Nos. × (1.80m × 1.20m × 0.80m) |
| 7 | Loading of Coal into Coal Tubs (Manually):Manual shoveling and loading of blasted loose coal mass into empty mine tubs based on conversion profiling:• 2,064.665 m³ × 1.526 (Loose) = 3,150.678 m³• Tub Factor: 1.026 m³/Tub (3,150.678 / 1.026 = 3,070.83 Tubs) |
| 8 | Total impact of GST for the purpose of CTC Please Enable Macros to View BoQ information |
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