Supervision of shotfiring operation
58.—(1)  An operator shall take all reasonable steps to ensure that —
(a)a trainee shotfirer at the blasting site does not, and is not required to, fire shots —
(i)except when he is under the close personal supervision of a shotfirer; or
(ii)unless the operator is satisfied that the trainee shotfirer has completed a suitable period of training and has appropriate practical experience; and
(b)all shotfiring operations are carried out under the close personal supervision of the shotfirer.
(2)  An operator shall ensure, in respect of every shotfirer or trainee shotfirer employed at a blasting site, that a record of the employment of the shotfirer or trainee shotfirer at the blasting site is maintained until the end of 3 years after the date of termination of the employment of the shotfirer or trainee shotfirer at the blasting site.