Waihi Emergency Principal Control Plan OceanaGold Waihi WAI-250-PLN-001 Page 102 of 124 1.12 Major Strata Failure – Earthquake Level 1 Response Level 2 Response Level 3 Response Trigger • An actual or indicated failure that is contained to a specific area of the operation and is not threatening any other areas • An actual or indicated failure that is impacting or threatening multiple areas of the operation • An actual failure that has blocked normal access/egress or has resulted in missing persons All Personnel • No action required • No action required • Quickly assess situation and make emergency call. • Administer first aid and withdraw all persons to a place of safety. • Prevent persons from entering the area Emergency Call Taker • No action required • Follow procedures as per appropriate duty card • Follow procedures as per appropriate duty card Supervisor • Close off area and initiate geotechnical investigation • Notify Department Manager • Initiate evacuation to surface • Notify Department Manager • Initiate geotechnical investigation • Request emergency response team and equipment for immediate response • Update Emergency Call Taker on situation and advise what other resources may be required • Secure the area • Notify Department Manager • Be the Mine Incident Controller until Department Manager takes over. Emergency Response Coordinator • No action required • Support the evacuation process • Place onsite ER team on standby until complete evacuation confirmed • Initiate on site ER response • Activate offsite ER call in • Coordinate ER response Department Manager (Mine Incident Controller) • Monitor situation and maintain contact with reporting person. • • Monitor situation and maintain contact with reporting person. • Notify General Manager (SSE) • Activate and Coordinate the Emergency Response Team • Notify General Manager (SSE) General Manager (SSE) • No action required • Monitor situation and maintain contact with reporting person. • Notify Chief Operating Officer if required • Ensure MIC and IMT are being activated • Notify chief operating officer if required • Notify WorkSafe when appropriate • Monitor situation and maintain contact with reporting person. • Notify Chief Operating Officer • Ensure MIC and IMT are being activated • Notify chief operating officer if required • Notify WorkSafe when appropriate Chief Operating Officer • No action required • No action required • Implement OceanaGold Crisis Management Plan if required.
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