Supporting Technical Assessments

Waihi Emergency Principal Control Plan OceanaGold Waihi WAI-250-PLN-001 Page 99 of 124 1.9 Explosives Emergency Level 1 Response Level 2 Response Level 3 Response Trigger • Report only incidents • An unplanned detonation of explosives with no injuries • Report of missing explosives • An unplanned detonation of explosives with serious injuries • A fire involving explosives • Missing explosives All Personnel • Report irregularities • Quickly assess the situation and make emergency call. • Administer first aid • Assess the Situation and requirements • 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 until a thorough assessment has been carried out. • Road blocks and exclusion zones set up Emergency Call Taker • No Action required • Follow procedures as per appropriate duty card • Follow procedures as per appropriate duty card Supervisor • Document incident • Request emergency response team and equipment for immediate response if required • Update Emergency Call Taker on situation • Notify Department Manager • Ensure explosives exclusion zone is set up as per emergency map • Refer to explosives Emergency Action Plan • Request emergency response team and equipment for immediate response • Update Emergency Call Taker on situation and advise what other resources may be required • Ensure explosives exclusion zone is set up as per emergency map • Secure the area • Notify Department Manager • Be the Mine Incident Controller until Department Manager takes over. Emergency Response Coordinator • No Action required • Assist with perimeter control • Refer to explosives Emergency Action Plan • Initiate onsite ER medical response • Assess scene safety prior to allowing ER access Department Manager (Mine Incident Controller) • No Action required • Monitor situation and maintain contact with reporting person. • Notify General Manager (SSE) • Refer to explosives Emergency Action Plan • Set up incident control point (ICP) • Activate incident management team (IMT) • Notify WorkSafe when appropriate • Activate and Coordinate the Emergency Response Team • Notify General Manager (SSE) • Set up incident control point (ICP) • Activate incident management team (IMT) • Notify WorkSafe when appropriate 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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