Singapore legislation
Regulation 48
of Guns, Explosives and Weapons Control (Explosives and Explosive Precursors) Regulations 2025
Regulation 48
Requirements for shotfiring at blasting site
A holder of an explosives user’s licence mentioned in regulation 35(b) who is conducting a blasting operation at any blasting site must take all reasonable steps necessary to ensure that, during the blasting operation —
only an individual employed or engaged by the holder as a shotfirer or trainee shotfirer in connection with the blasting operation performs any blasting activity in connection with the blasting operation;
any trainee shotfirer employed or engaged by the holder performs any blasting activity in connection with the blasting operation only under the supervision of another shotfirer employed or engaged by the holder but who is not a trainee shotfirer;
a shot is fired only by means of a suitable exploder or safety fuse;
no shot is fired unless there is sufficient visibility to ensure that each of the following connected with the blasting operation can be carried out safely:
all work preparatory to shotfiring;
the shotfiring operation;
any inspection of the blasting site after the shot is fired;
no shot is fired in a shothole which has previously been fired except in the case of a misfire;
no shot is fired in any tunnel or excavation (other than a shothole) in the face or side of a quarry for the purpose of extracting minerals or products of minerals; and
there is no forcible removal by anyone of any detonator lead, safety fuse or other system for initiating shots from a shothole in the blasting site after the shothole has been charged and primed.