Section 61 in Chhattisgarh Minor Mineral Rules, 2015
61. Opencast working.
(1)In opencast working, the benches formed shall be so arranged that the benches in mineral and overburden are separated so as to avoid mixing or wastage of mineral.(2)(i)In alluvial soil, murrum, gravel, clay or other similar ground, the sides shall be slopped at an angle of safety, not exceeding 45 degrees from horizontal or such other angle as the Competent Authority may permit by an order in writing;(ii)the sides shall be kept benched, and the height of any bench shall not exceed 1.5 meter and the breadth there of shall not be less them the height;(iii)the benches in overburden shall be kept sufficiently in advance so that their working does not interfere with the working of mineral;(iv)the overburden and waste material obtained during quarrying operations shall not be allowed to be mixed with non-saleable or sub-grade minerals. They shall be dumped and stacked separately;(v)the quarrying operations shall be carried out in workmen-like-manner and in accordance with the provisions of the State and Central Acts and rules and regulations made thereunder, wherever applicable;(vi)if in the opinion of the Collector of the concerned district or any officer authorised by the State Government, the compliance with the provisions thereof is not reasonably practicable, he may, by an order in writing and subject to such conditions as he may specify therein, exempt from the operation of these rules for any workings in those cases in which special difficulties exist.
