Waihi Underground Explosive Principal Hazard Management Plan Approved by: SSE/ General Manager Approval Date:11/05/2021 Next Review: 08/04/2022 OceanaGold Waihi Document ID: WAI-400-PLN-007 Page 6 of 27 Figure 1: OceanaGold hierachy of documents 2.2 Hierarchy of Controls Section 30 of the HSAW Act and section 6 of the HSAW (General Risk and Workplace Management) regulations outline the control hierarchy and requires that ‘so far as is reasonably practicable’ steps to control each hazard be taken as required below; HSAW Act section 30 - Management of risks (1) A duty imposed on a person by or under this Act requires the person— (a) to eliminate risks to health and safety, so far as is reasonably practicable; and (b) if it is not reasonably practicable to eliminate risks to health and safety, to minimise those risks so far as is reasonably practicable. (2) A person must comply with subsection (1) to the extent to which the person has, or would reasonably be expected to have, the ability to influence and control the matter to which the risks relate. HSWA General Risk and Workplace Management Regulations section 6 - Hierarchy of Control Measures (1) This regulation applies if it is not reasonably practicable for a PCBU to eliminate risks to health and safety in accordance with section 30(1)(a) of the Act. (2) A PCBU1 must, to minimise risks to health and safety, implement control measures in accordance with this regulation. (3) The PCBU must minimise risks to health and safety, so far as is reasonably practicable, by taking 1 or more of the following actions that is the most appropriate and effective taking into account the nature of the risk: 1 A PCBU is a person undertaking a business or undertaking and is more fully defined in the HSWA Act.
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