Drivage of 12 Nos. Drifts to cross fault (i) fault F8-F8 - VIB Seam to VIB Seam 03 nos. galleries at Damini UG Mine

Amount

Item Description/ Heading Part (A) labour Cost

Drivage of 12 Nos. drifts in stone including Drilling, Blasting & Mucking in stone (drilling by power drill) To cross 12m. Down throw fault F8-F8 VIB Seam to VIB Seam (1)14D/43LW incline drift, Gr.1in 4 – 47.87 m x 4.50m x 2.50m = 538.54 m3 (2)15D/43LW incline drift Gr.1in 5 – 58.43 m x4.50m x 2.50m = 657.34 m3 (3)16D/43LW incline drift Gr.1in 5 – 57.41m x4.50m x 2.50m = 645.86 m3 To cross 10 m. Up throw fault F7-F7 VIB Seam to VIB Seam (4)21D/35LE Rising drift Gr.1in 5 – 52.93m x 4.50m x 2.50m = 595.46 m3 (5) 22D/35LE Rising drift Gr.1in 5 – 52.42m x 4.50m x 2.50m = 589.73 m3 (6) 23D/35LE Rising drift Gr.1in 4 – 41.35m x 4.50m x 2.50m = 465.19 m3 To cross 12m. Down throw fault F8-F8 V Seam to V Seam (7)27LE/12D incline drift Gr.1in 4 - 44.94m x 4.50m x 2.50m = 505.58 m3 (8) 28LE/12D incline drift Gr.1in 5 – 54.71m x 4.50m x 2.50m = 615.49 m3 (9) 29LE/12D incline drift Gr.1in 5 – 53.95m X 4.50m x 2.50m = 606.94 m3 To cross 6m. Down throw fault F5-F5 V Seam to V Seam (10)20R/-8LE incline drift Gr.1in 5 - 24.22m x 4.50m x 2.50m = 272.48 m3 (11) 21R/-8LE incline drift Gr.1in 5 – 23.71m x 4.50m x 2.50m = 266.74 m3 (12) 22R/-8LE incline drift Gr.1in4 – 18.35m X 4.50m x 2.50m = 206.44m3 Total - 5965.79 m3

Additional lead for every 15m beyond 30m lead 03 Lead i.e.(Rs 41.40 x3 =Rs.124.20)Additional lead for every 15m beyond 30m lead 03 Lead i.e.(Rs 41.40 x3 =Rs.124.20)

Roof bolting in u/g including drilling by power drill manually with wet drilling arrangement(1.50m-1.80m length with 27mm Dia, drill bit for anchoring 20/22 mm Dia roof bolts with resin capsules and fitting of bearing plates and W-strap(as & when required) and tightening of nuts etc complete. Note: Drill rod, drll bit and spray pump to be provided by contractor. Total length – 530.29 m. X 3 Row = 1591 Nos

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