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 34 of 124 Trigger Action Response Plans (TARPS) Trigger Action Response Plans (TARPs) and Emergency Action Plans (EAPs) define trigger points that necessitate specific actions to be taken in an emergency event. The aforementioned plans shall be authorized by the Safety Manager and subject to approval by the SSE. Refer APPENDIX N for TARPS Incident Action Plan (IAP) Process At each stage of the planning process, Incident Management Team (IMT) functions need to ensure that the latest information on hazard impacts and available resources is used. 12.6.1 Objectives Analysis This is the most important step in the planning process; it is when the Mine Incident Controller (MIC) and planning team determine what the action plan is meant to achieve. It consists of the following steps: Reviewing the situation, confirming: • the goal and objectives of the plan; • the resources available, including any resources still to arrive; • response actions to date; • initial hazard impacts; • area of operations for the response, including outside the affected area; and • Timeline for the response (in terms of the overall operation and the time available for planning), and the time the Action Plan will be completed. 12.6.2 Options Development / Strategies During this step, the planning team develops options that will achieve the objectives. The number of options and detail that is developed depends on the time and personnel available. Ideally, planners consider two or three options, to avoid jumping to a conclusion without having considered alternatives. The options need to be different from each other, must achieve the response objectives, have acceptable levels of risk, and be feasible with the available resources. Experienced MIC and planners may be able to develop a single option, using their judgment to save time. All options must be evaluated against the following: • Impact analysis, in particular the most likely, and the most dangerous/worst case scenarios for hazards to develop; • Local environment, and how this may affect the response; • Available resources, their numbers, location, capabilities, and requirements; and • Available time. 12.6.3 Action Plan Development / Assignments: During this step, the Action Plan is written. If time is short, it may be written as a brief, to be delivered verbally. It must be documented for future reference. Maps and tables may be included to aid understanding. Specialist sections and appendices need to be written by those functions. These allow important specialist information and instructions to be included, without cluttering the main body of the Action Plan. To aid the reader, who may have limited time and be working in adverse conditions, plans need to be clear, brief, and avoid jargon. Ideally formatting, grammar, and spelling are checked. The MIC approves the final version, and this becomes the official Incident Action Plan (IAP). In underground level three emergencies this IAP will be sent through to the Local Controller (Police) for review and to keep the LC (Local Controller) up-to-date with what action is being proposed. IAP areas to consider: • according to objective set by MIC
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