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 37 of 124 There are also battery powered hand tools to compliment these rescue devices. All equipment stored on the appliance is compatible and interchangeable with FENZ equipment. 14.5.3 Surface Fire Hydrants Surface fire hydrants are inline with FENZ standards and are located in strategic locations on the surface (see appendices for Surface Fire Fighting Resource Maps). This reticulated water supply is fed by two 37kW pumps located at the discharge manifold of the Compliance Ponds. These pumps also have a manually operated diesel back up pump in the event of a power outage. These hydrants are serviced and maintained under contract by the Emergency Response Advisor. 14.5.4 Deluge System There is a deluge system in place to protect the two 39,000l LPG bullets located beside the training room. This is activated by opening the LPG flood valve across the yard by the kibbell storage area. This system has multiple water sources, in normal operation it runs on the process water line. In the event of a failure on this line the valve work can be reconfigured to run off firemain water which also has a diesel powered back-up pump on it. 14.5.5 Underground Fire Fighting Resource The underground is supplied with gravity fed water from two 30,000l tanks. This water flows through 110mm polypipe to maintain flow and pressure. It is maintained by the service crew and is located throughout the working areas of the mine. There are strategic locations for the installation of “droppers” on the decline, accesses and drives. These droppers are spaced appropriately in accordance with mine design plans and are used for both mining and fire fighting. In the event that a dropper is not located in a favourable position in an emergency, the use of a “break in” coupling can access water for fire fighting at any location beneath the 110mm polypipe. This coupling is located on the fire appliance. 14.5.6 Hazardous Material Response The Mines Rescue team is trained and equipped to deal with Hazardous Material emergencies onsite. Level 2 structural fire fighting uniform is located on the southern wall on the inside of the building. Trailer two, inside the Mines Rescue building, is set up with equipment used to deal with Hazmat response and includes four Level 3 Splash suits, as well as four Level 4 Fully encapsulated Gas tight Suits. Other equipment in the trailer includes spill control items, wedges, sealants, pads, mops etc. The MRT utilize a coloured decontamination Tarp to further demarcate hot/warm/safe zones. 14.5.7 Fixed Plant Gas Detection There is 8 fixed plant Cyanide monitors located around the process plant, with 1 Ammonia detector located in the Sag Mill Sump area. For locations of the monitors see Appendix E 14.5.8 Fire Extinguishers Fire Extinguishers are located across site in strategic locations inline with building and evacuation regulations. Fire extinguishers are also located in all vehicles, mobile and heavy plant. Training is provided on the use of fire exinguishers to all Oceanagold employees. 14.5.9 Safety Data Sheets SDS sheets of all hazardous materials on-site are kept primarily on the web based database Chemalert. Secondary copies can be found at the First Aid Room, Mines Rescue Operations Room and at Moresby Ave with the Site HSEC System Administrator. 14.5.10 Site Run Off All site run off within Oceanagold is direct to containment ponds then sent to the water treatment plant. These include, Tails Contingency Ponds 1 & 2, Mill contingency ponds, Silt and Collection Ponds. Mines Rescue Team Emergency Response Personnel The Emergency Response team comprises up to 30 personnel selected from both Underground and Surface Production and other site departments. Emergency Response team numbers are maintained to ensure adequate emergency response coverage 24/7. Each qualified team member can be notified and called to site by way of an SMS (Telecom eTXT) initiated by the gatehouse or the Emergency Response Advisor.
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