Section 133(9) in The Coal Mines Regulations, 2011
(9)In case of manual opencast working, the sirdar shall pay attention to overhangs, undercuts, presence of loose stone, materials or trees, etc., within 3 metres of the edges, foot paths for traveling and carrying loads, fencing on top of the quarry and disused part or abandoned quarries, fencing along footpaths and benches where required, use of personal protective equipment and condition of dumps; and
