Rapid Inclined Drivages
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Rapid Inclined Drivages
- Tunneling in Coal / Metal – 22 nos. 250-790 mtr. Gradient of 1 in 3.5 to 1 in 5, progress 70 mtr per month per face. Drivage in Coal with mechanized means and road header upto 1000 mtr per month.
