Section 146(12)(b) in The Coal Mines Regulations, 2011

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Union of India - Subsection

Section 146(12)(b) in The Coal Mines Regulations, 2011

(b)during any operation of drilling or boring on surface or belowground, -

(i)the production of dust shall be reduced by using bits which are sharp and of proper shape, by keeping suitable pressure on the bits and by keeping the holes clear of the cuttings;

(ii)except in naturally wet ground, a jet water shall be directed on to the cutting edge to wet the cuttings or other equally efficient device approved by the Chief Inspector which shall be provided and kept in operation throughout the drilling or boring operation to prevent the atmosphere being charged with dust;

(iii)where pneumatic drilling is performed, water shall be turned on before turning on compressed air to the drill;

(iv)when drilling is done by hand, it shall be sufficient if holes are kept constantly moist during such drilling:

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Union of India - Subsection

Section 146(12)(b) in The Coal Mines Regulations, 2011