Supporting Technical Assessments

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 6 of 124 10.0 EVACUATION ..............................................................................................................24 Surface Operations: ........................................................................................................24 Muster Points ...................................................................................................................24 Site Evacuation ................................................................................................................24 Explosives Magazine Emergency Evacuation..............................................................24 What to Do When You Arrive At an Evacuation Point .................................................25 Underground Evacuations..............................................................................................25 10.6.1 Refuge Chambers .............................................................................................25 10.6.2 Escapeways ......................................................................................................25 10.6.3 Self Rescuers....................................................................................................25 Accounting for Personnel...............................................................................................26 10.7.1 Methods of accounting for personnel................................................................26 10.7.2 Employee Emergency Contact Records ...........................................................26 10.7.3 Trial Evacuations...............................................................................................26 11.0 EMERGENCY RESPONSE CAPABILITIES................................................................26 First Aid Arrangements...................................................................................................27 Inspections on Emergency Response Capabilities .....................................................27 12.0 INCIDENT MANAGEMENT..........................................................................................27 The CIMS Functions ........................................................................................................27 Incident Management Team (CIMS Based) ...................................................................28 Incident Management (IMT) Support Roles...................................................................32 Incident Management Team Resourcing.......................................................................33 Trigger Action Response Plans (TARPS)......................................................................34 Incident Action Plan (IAP) Process................................................................................34 12.6.1 Objectives Analysis ...........................................................................................34 12.6.2 Options Development / Strategies ....................................................................34 12.6.3 Action Plan Development / Assignments: .........................................................34 Response Documents .....................................................................................................35 13.0 TESTING ......................................................................................................................35 14.0 EMERGENCY RESOURCES.......................................................................................36 Incident Control Points ...................................................................................................36 Emergency Response Mines Rescue Station...............................................................36 Ambulance .......................................................................................................................36 Rescue Trailers ................................................................................................................36 Fire Fighting / Rescue Resource....................................................................................36 14.5.1 Fire appliance....................................................................................................36 14.5.2 Extrication Equipment .......................................................................................36 14.5.3 Surface Fire Hydrants .......................................................................................37 14.5.4 Deluge System..................................................................................................37 14.5.5 Underground Fire Fighting Resource................................................................37 14.5.6 Hazardous Material Response..........................................................................37 14.5.7 Fixed Plant Gas Detection ................................................................................37 14.5.8 Fire Extinguishers .............................................................................................37 14.5.9 Safety Data Sheets ...........................................................................................37 14.5.10 Site Run Off.....................................................................................................37 Mines Rescue Team Emergency Response Personnel ...............................................37 Family Liaison Facilities .................................................................................................38 15.0 EXTERNAL RESOURCES...........................................................................................38

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