PART XXVIII GENERAL MINING REQUIREMENTS — Ground control procedures
524
(1) An employer shall ensure that written ground control procedures are prepared for an underground mine to prevent the unplanned fall of rock.
524(2)
The ground control procedures shall include the following details:
524(a)
existing geological conditions, including the thickness of relevant seams; the date that the underground area of the mine that is covered by the record becomes abandoned; and
524(b)
the type and thickness of strata between the roof and the surface and below the floor for a depth of 3 metres below the strata being mined; the date that the instrument or device is no longer used.
524(c)
the mining methods to be used;
524(d)
hazards related to ground control and an outline of the manner in which these hazards will be handled;
524(e)
the planned width of openings and size of pillars;
524(f)
the method of permanent and temporary ground support, including
524(i)
pillars, mechanical devices or other methods to be used; and (ii) the type, sequence and spacing of permanent and temporary ground support materials or devices; the work procedures used to install ground control devices; impairs ventilation; (ii) impedes the passage of persons; (iii) causes injury to a person; (iv) causes a person to withdraw from an area; or
524(g)
a plan showing the location, size and spacing of pillars, mechanical devices or other methods of support;
524(h)
the work procedures used to assess ground conditions;
524(j)
where instruments or devices are installed to monitor ground conditions, a description of how and when measurements will be taken and a description of how results will be recorded;
524(k)
the work procedures used to construct, inspect, maintain and regularly monitor the instruments and devices used to monitor the ground control system;
524(l)
a system that ensures that, on a plan included as part of the ground control procedures, a record is made of an unplanned fall of rock or a rockburst that
524(v)
disrupts activities for more than one hour;
524(m)
an adequate testing procedure for the ground supports; and
524(n)
how the effectiveness of the ground control procedures will be evaluated.
524(3)
An employer shall maintain a written record of the results obtained from an instrument or device used to monitor the ground control system and shall keep the record for at least 2 years after the earlier of the following dates:
Not legal advice. Verify the cited article against the signed agreement.