Waihi Surface Explosives Principal Management Plan Approved by: General Manager Approval Date: 15/10/2017 Next Review: Archived OceanaGold Waihi Doc ID: WAI-350-PLN-003 Page 5 of 31 1. INTRODUCTION 1.1 Purpose and Scope This document is a management plan for the hazards and risks pertaining to all aspects of the storage, handling and use of explosives at the OceanaGold New Zealand Ltd (OGNZL) surface mining operations. This Principal Hazard Management Plan (PHMP) has been developed in accordance with the Health and Safety at Work (Mining Operations and Quarrying Operations) Regulations 2016, the Health and Safety at Work Act 2015 , the Hazardous Substances and New Organisms Act 1996,and the Hazardous Substances (Classes 1 to 5 Controls) Regulations 2001 The use of explosive is inherent to the mining methods employed by OGNZL; the primary aims of this PHMP are to ensure the risks and hazards associated with explosives are eliminated, and/or minimised to as ar as practicable acceptable level so as to maintain a safe working environment and reduce the impact of mining on the local community. This PHMP will identify, analyse and assess risks associated with explosives and outline the control measures with reference to site standards, procedures and management plans already in place. This PHMP applies to Martha Open Pit mining operations and is applicable to all OGNZL employees, contractors and visitors. 1.2 Legal Requirements OGNZL acknowledges that compliance with the Health and Safety at Work Act 2015 (HSW Act) and the Health and Safety at Work (Mining Operations and Quarrying Operations) Regulations 2016 (HSW Regulations) is mandatory. This PHMP has been created in accordance with these acts and regulations. Compliance with any relevant Approved Codes of Practice, Guidelines within these codes and Australian and New Zealand Standards is not mandatory. However, compliance is considered demonstration of good practice and evidence of being “in so far as being reasonably practicable” Internal and independent external audits are undertaken to monitor site performance in relation to relevant legislation, codes of practice, guidelines and standards. 2. SAFETY MANAGEMENT SYSTEM 2.1 HSEC Management System OGNZL’s mining activities, by their nature, have the potential to impact the health and safety of people, the environment and communities. These impacts must be identified, evaluated and managed to minimise the risks. The OceanaGold Heath, Safety, Environment and Community (HSEC) compliance standards are an integral part of OGNZL’s business and provide the basis for a HSEC management system. The implementation and maintenance of the HSEC management system provides the means to manage and minimise risks, comply with legislation and OceanaGold Standards, and provides the framework for continuous improvement in Health, Safety, Environment and Community management and performance. HSEC Compliance Standards follow a hierarchical structure where documents must meet and support the requirements of those of higher levels (see Figure 1). This PHMP sits in the fifth tier as an Operation Specific Document. The scope of the HSEC Compliance Standards cover all activities undertaken by OceanaGold employees and contractors that have the potential to affect Health, Safety, Environmental and Community performance. The HSEC Compliance Standards apply to all operations and facilities, including the entire lifecycle of operations, from exploration through to operation and closure, until lease relinquishment occurs.
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