The Stratified Ironstone, Shale and Fireclay Mines (Explosives) Regulations 1956

General precautions

41.—(1) In the event of a miss-fire, no person shall approach the shot hole until, if the shot is being fired—

(a) by fuse, there have elapsed, from the lighting of the fuse or the attempt to light it, not less than thirty minutes; or

(b) electrically, the shot firer has disconnected the removable handle or key and the shot firing cable from the shot firing apparatus, and there have elapsed, from the last attempt to fire the shot, not less than (in the case of a miss-fire in a round of more than six shots) ten minutes or (in any other case) five minutes.

(2) No person shall attempt to remove any part of the charge from the shot hole of any shot which is to be treated as a miss-fire except a cartridge of explosive which is protruding out of the mouth of the hole.

(3) In the case of any shot which is to be treated as a miss-fire, the shot firer or person appointed to fire shots by fuse (as the case may be) concerned shall—

(a) if he leaves the working place before the completion of the appropriate procedure specified in any scheme in force in pursuance of regulation forty-two—

(i) cause notice of the miss-fire to be given to the deputy in charge of the district; and

(ii) ensure that sufficient fences and danger notices are erected to warn any person approaching the place; and

(b) before leaving the mine, report the circumstances of the miss-fire to the deputy in charge of the district.

(4) The fact of any miss-fire shall be recorded, in the daily record kept in pursuance of regulation twenty-seven,—

(a) in any case in which the deputy for the district in which the miss-fire has occurred is responsible for the keeping of the said record, by that deputy; or

(b) in any other case, by the shot firer or person appointed to fire shots by fuse (as the case may be) concerned.