(2)The owner, agent and manager of a mine shall ensure that-(a)the mud tanks are so designed and installed as to provide positive suction to mud pumps;(b)the mud pumps connected to a drilling rig are equipped with a pressure relief valve and an operating gauge in the system;(c)the pressure relief valve is set to discharge at a pressure not more than ten per cent in excess of the established maximum working pressure of the pump, pipes and fittings;(d)the discharge from a pressure relief valve is piped to such a place which does not endanger persons and the discharge line is anchored securely; and(e)there is no valve between a pump and its pressure relief valve.
