Section 135(15) in The Coal Mines Regulations, 2011
(15)Every road or footpath, along which loads are carried by human agency, shall comply with the following requirements: -(i)its breadth shall not be less than one metre; and(ii)at every place where the inclination exceeds 15 degrees from the horizontal, level steps shall be provided such that the vertical height of every step does not exceed 0.18 metre and the distance from the edge to the back is not less than 0.35 metre.Explanation - gang-planks used for loading purposes shall not be deemed to be part of a footpath for the purposes of this sub-regulation, provided that every gang-plank shall be so inclined or constructed as to give a secure foot-hold.
