2022 Manitoba Workplace Safety and Health Act and Regulation

Proof of certificate must be provided
34.13(1) Before becoming involved in a blasting operation, a blaster must
deliver proof of his or her blaster’s certificate to
(a) the person in charge of the workplace where the blasting
operation is to take place; or
(b) the employer, where there is no person in charge of the
workplace.
34.13(2) Upon the request of a safety and health officer, a blaster must
produce his or her blasting certificate for inspection.
Employer must ensure proof is received
34.14 
No employer or person in charge of a workplace may permit any
person to carry out a blasting operation unless he or she has first
provided the employer or the person in charge proof that he or she
is a blaster.
Blaster must supervise
34.15(1) Before blasting occurs, an employer must designate the blaster as
the supervisor of the blast site, and where more than one blaster
is working in a blast site, the employer must designate one of the
blasters as the supervisor.
34.15(2) An employer must ensure that the supervising blaster has full
authority over, and is responsible for the safety of, every other
person, including other blasters, assisting with the blasting
operation.
Blasting operations
34.16(1) An employer must ensure that
(a) all explosives, other than the total charge to be loaded, are
kept in a magazine;
(b) no magazine is located within 8 m of a flammable liquid or
compressed gas;

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(c) empty containers, cases, cardboard boxes, bags or other
wrappings from explosives and detonators are not reused, but
rather are disposed of in accordance with the manufacturer’s
specifications;
(d) the blaster
(i) uses the oldest explosive in a magazine first,
(ii) does not use a deteriorated or damaged explosive,
(iii) does not move or carry a charged explosive or a detonator
in a manner that creates a risk to the safety or health of the
blaster or another person, and
(iv) does not leave an explosive unattended while it is being
transported from the magazine to the blast site or after it is
loaded and ready to be blasted;
(e) a charge is primed only at the blasting site, and for certainty, no
charge is primed in a magazine or any other place where other
explosives are stored;
(f) before a borehole is drilled, all loose rock or other material that
may pose a risk to the safety or health of a worker or other
person is scaled or removed, and if blasting may have occurred
previously in the area of the blast site,
(i) the drilling face is thoroughly cleaned in accordance with
appropriate procedures,
(ii) a blaster has inspected the drilling face and blasted
material to locate any misfires and bootlegs, and
(iii) if a misfire or bootleg is found, the blaster has dealt with
it in accordance with the safe work procedures for the
workplace and for the relevant type of explosive; and
(g) no worker tampers with an explosive, a detonator or any part of
an explosive or detonator.