(1)All apparatus, used as forming part of the equipment in a mine, which contains or produces air, gas or steam at a pressure greater than atmospheric pressure shall be so designed, constructed, installed and maintained as to obviate any risk of fire, bursting, explosion or production of noxious gases.(2)Every air receiver forming part of a compressing plant shall be fitted with a safety valve and an air gauge which shows pressure in excess of the atmospheric pressure.(3)Before an air-receiver is case in or put in commission, the engineer or other competent person shall subject it to a hydraulic test at a pressure at least one-and-a-half times the maximum permissible working pressure and a similar test shall be made after every renewal or repair and in any case at intervals of not more than three years.(4)The result of every such test under sub-regulation (3) shall be recorded in a bound paged book kept for the purpose duly signed and dated by the person carrying out the test.(5)The supply of air for air-compressors shall be drawn from a source free from dust and fumes.(6)All apparatus used as or forming part of the equipment in a mine which contains or produces hydraulic fluid or emulsion under pressure shall be so designed, constructed, installed and maintained as to obviate any risk of bursting and fire.
