173(1)A blaster who conducts or supervises a blast shall maintain a log book recording the following:
(a)
before the blast:
(i)
job location;
(ii)
names of blaster and assistants;
(iii)
diagram of blasting pattern and sequence of firing;
(iv)
type and the amount of blasting explosives and detonators;
(v)
number, depth and placement of charges in each hole;
(vi)
resistance calculations for each series and circuit when using an electric means of initiation;
(vii)
precautions taken to control fly rock, air blast and ground vibrations;
(viii)
placement of persons to guard the danger area; and
(ix)
reason for any delay in blasting; and
(b)
after the blast:
(i)
date and time of blast;
(ii)
weather conditions at time of blast; and
(iii)
results of post-blast examination for misfires and other dangers.
173(2)A blaster shall keep a log book referred to in subsection (1) for three years after the last blast recorded in the log book and shall make the log book available for inspection by an officer.