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 8 of 27 • The person accountable for control of the risk • A cross reference to the Action Management System (INX) for any future controls • The target consequence ratings • The target likelihood ratings • The resulting assessed target risk level • The last date the risk was reviewed Refer to the risk assessment standard for details on each process step; see Appendix I for document details. See Appendix II for the risk ranking tables. 2.3.2 Hazard Identification Risks are typically associated with events resulting from hazards within a given system. Risk identification involves a detailed review of the system under study to identify the type of energies and associated hazards that are present. Once these hazards are understood, a systematic process to identify the associated risks needs to be followed. There are various techniques available for the identification of hazards as follows: • Experience/judgment – experienced personnel at all levels provide a sound basis for hazard identification • Checklists – provide hazards that are common to a particular task or system • Legislation and OceanaGold Standards - legislation, industry and company standards reflect collective knowledge and experience, accumulated on a broad operational and historic basis • Site accident/incident investigation – often accident/incident investigations identify hazards that require management action Hazards may also be identified using any of the following methods: • Job Hazard Analysis (JHA) • Preliminary hazard assessment • Team based risk assessments • Workplace inspections • Health hazard assessments • Internal/external audits • Environmental monitoring • Community complaints and consultation • Internal/external audits • Pre-shift meetings • Task observations • Health and safety meetings and committees • Accident and incident investigations • Hazard reports • Social impact assessments 2.3.3 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 Waihi Underground 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
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