Tasmanian Numbered Regulations

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MINES WORK HEALTH AND SAFETY (SUPPLEMENTARY REQUIREMENTS) REGULATIONS 2022 (S.R. 2022, NO. 117) - REG 19

Seismicity
(1)  This regulation applies if seismicity at a mine is likely to give rise to an event that is likely to cause injury or harm to a person at the mine.
(2)  The mine operator must ensure, so far as is reasonably practicable, that appropriate equipment and procedures are used to provide for the monitoring, recording, interpretation and analysis of data in relation to seismic activity and behaviour of the mine, commensurate with the level of risk, to health and safety, associated with seismicity at the mine.
Penalty:  In the case of –
(a) a body corporate, a fine not exceeding $13 000; and
(b) an individual, a fine not exceeding $6 500.
(3)  The mine operator must adopt an effective seismic monitoring plan that contains trigger points or action points to ensure that actions or procedures are undertaken on the occurrence of certain criteria specified in the plan.
Penalty:  In the case of –
(a) a body corporate, a fine not exceeding $13 000; and
(b) an individual, a fine not exceeding $6 500.
(4)  The mine operator must ensure, so far as is reasonably practicable, that the design of the mine mitigates the damage that is likely to arise from the sudden release of energy from the build-up of mining-induced stresses.
Penalty:  In the case of –
(a) a body corporate, a fine not exceeding $13 000; and
(b) an individual, a fine not exceeding $6 500.
(5)  The mine operator must ensure, so far as is reasonably practicable, that –
(a) ground support systems that are geotechnically engineered are installed; and
(b) those systems take into account the matters referred to in subregulation (6) .
Penalty:  In the case of –
(a) a body corporate, a fine not exceeding $13 000; and
(b) an individual, a fine not exceeding $6 500.
(6)  The matters that a ground support system must take into account include, but are not limited to including, the following:
(a) how long the excavated area is to remain excavated;
(b) the mining-induced stress changes and potential cycles of loading and unloading;
(c) blast vibrations during development mining and from surrounding stopes;
(d) potential impact of voids and void management;
(e) tolerance for stability problems and rehabilitation;
(f) the potential for rockbursts.
(7)  The mine operator must ensure that the ground support system for the mine is designed to deal with events that –
(a) have already been recorded; or
(b) are anticipated, by appropriate modelling, to take place –
allowing for an appropriate factor of safety.
Penalty:  In the case of –
(a) a body corporate, a fine not exceeding $13 000; and
(b) an individual, a fine not exceeding $6 500.
(8)  The mine operator must ensure that, if reasonably practicable, mining by remote methods is implemented where areas of high or unpredictable seismic risk are to be mined.
Penalty:  In the case of –
(a) a body corporate, a fine not exceeding $13 000; and
(b) an individual, a fine not exceeding $6 500.
(9)  The mine operator must ensure that mine design, mining methods and sequences, ground support design and assumptions and modelling are documented and reviewed as often as is appropriate and, if appropriate, revised.
Penalty:  In the case of –
(a) a body corporate, a fine not exceeding $13 000; and
(b) an individual, a fine not exceeding $6 500.


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