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 10 of 124 1.0 INTRODUCTION Purpose The purpose of the Emergency Management Principal Control Plan (EMCP) is to: • ensure all employees and contractors know how to respond in the event of an emergency; • detail plans and procedures for potential emergencies; • control or limit any effect that an emergency or potential emergency may have on site, on neighboring areas or on transportation routes to the mine site; • provide a basis for training and preparedness for all people likely to be involved in any emergency; • control incidents and minimize their effects through the implementation of a coordinated emergency response by trained groups and individuals; • ensure communication of all vital information relevant to an emergency as soon as possible; • facilitate recovery and clean-up activities as soon as possible so that normal operations can be resumed; and • ensure that the site emergency procedures are developed with due regard to the applicable Government Legislation. Listed below, is information that is directly related to the development of this document or referenced from within this document: Legislative instrument and other key documents Description Health and Safety at Work Act 2015 The object of the HSWA is to promote the prevention of harm to all people at work, and others in, or in the vicinity of, places of work. Health and Safety at Work (Mining Operations and Quarrying Operations) Regulations 2016 Outlines the new health and safety regulations that apply to all operators. Underground Mine Emergency Protocol. V2 2015 Outlines roles and responsibilities for a multi-agency response to an underground mine emergency Resource Management Act 1991 and associated regulations The RMA promotes the sustainable management of natural and physical resources such as land, air and water. Co-ordinated Incident Management System (CIMS) Outlines how New Zealand emergency service organizations coordinate operational responses to emergencies. Health and Safety at Work (Hazardous Substances) Regulations 2017 Outlines processes to protect the environment, and the health and safety of people and communities, by preventing or managing the adverse effects of hazardous substances and new organisms Mines Rescue Act 2013 Details the roles and responsibilities of the NZ Mines Rescue Service

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