When explosives may be kept at loading area
121Notwithstanding section 120, where explosives in excess of the capacity of underground magazines are required for blasting underground, an employer shall ensure that only such quantities of explosives as can be used in a forty-eight hour period are delivered to and kept at the loading area and that the explosives are
(a)
located so there is minimal possibility of mobile equipment hitting them,
(b)
located so that in the case of fire in the mine, they are not likely to become overheated,
(c)
conspicuously marked by a sign with the words “DANGER-EXPLOSIVES/EXPLOSIFS”,
(d)
kept at least 7.5 m from any detonator, and