Acts and Regulations

96-105 - Underground Mine

Section 137
Disposition versions

Full text
Drilling restrictions
137(1)An employer shall ensure that drilling operations and loading explosives in drill holes are not carried on simultaneously on the same development face.
137(2)An employer shall ensure that no drilling is done within one hundred and fifty millimetres of a bootleg.
137(3)An employer shall ensure that no drilling is done within 1.5 m of a hole containing explosives unless the drilling is remotely controlled.
137(4)An employer shall ensure that, except where the drilling is done by remote control and employees are sufficiently protected, no sectional steel drilling takes place
(a) within 7.5 m of any hole containing explosives, or
(b) closer than a distance equal to one and one-half times the depth of the drill hole to any hole containing explosives, if there is the possibility of the drill deviating off course and intersecting with a loaded hole.
137(5)An employer shall ensure that redrilling of benches or drop raises when remotely controlled is performed in a safe manner to avoid endangering anyone in or about a mine in case of a detonation of a hole or holes in the bench or drop raises.
137(6)Where a development face is advancing to breakthrough into an existing working, an employer shall ensure that no drilling on the same face is done within twice the length of the longest drill steel used until the face or faces of the breakthrough area have been washed or checked and examined as required by section 136.
137(6.1)An employer shall ensure that drilling that may advance to breakthrough into an existing working is performed in a safe manner and shall not endanger anyone in or about an underground mine.
137(7)Subsections (1) to (4) and (6) apply with the necessary modifications to an employee who is drilling.
137(8)Subsection (1) applies with the necessary modifications to an employee who is loading explosives.
137(9)An employer shall establish codes of practice for the drilling referred to in subsections (3), (5), (6) and (6.1), ensure that the codes of practice are followed and make copies of the codes of practice available to an officer and the committee on request.
2010-130
Drilling restrictions
137(1)An employer shall ensure that drilling operations and loading explosives in drill holes are not carried on simultaneously on the same development face.
137(2)An employer shall ensure that no drilling is done within one hundred and fifty millimetres of a bootleg.
137(3)An employer shall ensure that no drilling is done within 1.5 m of a hole containing explosives unless the drilling is remotely controlled.
137(4)An employer shall ensure that, except where the drilling is done by remote control and employees are sufficiently protected, no sectional steel drilling takes place
(a) within 7.5 m of any hole containing explosives, or
(b) closer than a distance equal to one and one-half times the depth of the drill hole to any hole containing explosives, if there is the possibility of the drill deviating off course and intersecting with a loaded hole.
137(5)An employer shall ensure that redrilling of benches or drop raises when remotely controlled is performed in a safe manner to avoid endangering anyone in or about a mine in case of a detonation of a hole or holes in the bench or drop raises.
137(6)Where a development face is advancing to breakthrough into an existing working, an employer shall ensure that no drilling on the same face is done within twice the length of the longest drill steel used until the face or faces of the breakthrough area have been washed or checked and examined as required by section 136.
137(7)Subsections (1) to (4) and (6) apply with the necessary modifications to an employee who is drilling.
137(8)Subsection (1) applies with the necessary modifications to an employee who is loading explosives.