Supporting Technical Assessments

Waihi Emergency Principal Control Plan Approved by: General Manager/SSE Approval Date: 26/03/2021 Next Review:26/03/2022 OceanaGold Waihi WAI-250-PLN-001 Page 48 of 124 • The resulting assessed target risk level • The last date the risk was reviewed • The foreseeable annual loss for extreme risks Refer to the risk assessment standard for details on each process step. 19.2.4 Preventative and Corrective Actions To ensure that actions designed to prevent or correct substandard acts, conditions, programs and processes, or to implement opportunities, are properly managed and executed, all operations have an Action Management System. Following the identification of deficiencies/opportunities, the system will: • Develop actions to address the root cause of the deficiency • Assign a unique identification number to facilitate tracking and close out of the issue • Assign a person(s) responsible for each action • Monitor progress against each action • Review effectiveness of the implemented action • Provide a means to identify the action has been effectively addressed and closed out 20.0 MONITOR & REVIEW The SSE is responsible for ensuring this PCP is reviewed for effectiveness: • No later than two years after the original document is approved • After the occurrence of an accident involving a hazard this PCP was intended to manage • After a material change in the management structure at OGNZL that may affect the PCP • After a material change in plan used or installed at the mining operation that may affect this PCP • At least every two years Records of all reviews and revisions of this PCP must be kept for at least 12 months from the date on which the mining operation is abandoned. On request, OGNZL must provide records relating to reviews to an inspector or a site health and safety representative. 21.0 AUDIT The SSE must organise for an external audit to be conducted at periods not exceeding three years. The external audit should be carried out by a competent person who is independent of the mining operation. The results of all audits on this PCP must be kept for at least 12 months from the date on which the mining operation is abandoned. 22.0 DEFINITIONS Table 10 Definitions Terms Definition Action Plan A document that describes how the response will be managed and how response agencies will integrate their activities to achieve the response objectives. It is owned by the Controller and developed by Planning with participation of all the functions and agencies activated. Agency This refers to: • government agencies, including public service departments, nonpublic service departments, crown entities, and offices of Parliament • local government bodies • non-governmental organizations • Lifeline utilities. CIMS See Coordinated Incident Management System

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