Waihi North Project – Overview of Application Structure xiv Term Meaning Wharekirauponga Underground Mine An underground mine that will enable mining of the Wharekirauponga orebody. It is located approximately 10 km north of Waihi, beneath the Coromandel Forest Park land administered by the Department of Conservation (DOC). Access to the underground mine will be provided by the Wharekirauponga Dual Tunnels, and the Willows Access Tunnel or Wharekirauponga Access Tunnel. Willows Access Tunnel A Tunnel which connects the Willows SFA to the Dual Tunnel. It will be used to transport development rock from underground to the Willows Rock Stack, and for general operational access between the mine and the Willows Road SFA. The Willows Access Tunnel will also be used to transport rock from the Willows Rock Stack to the Wharekirauponga Underground Mine for backfilling of stopes. Willows Road Farm OGNZL owned property within Area 2 that will house the surface infrastructure required to support the Wharekirauponga Underground Mine. Willows Rock Stack A temporary rock stack within Area 2 which forms a component of the Willows Road SFA north of the Willows Portal. It will be approximately 5 ha in area, have a total storage capacity of up to 900,000 m³, and a maximum height of 20 m above natural ground level. Willows Road Surface Facilities Area An 18-ha area located within Area 2 at the Willows Road Farm property that will house surface-based facilities required to support the Wharekirauponga Underground Mine. Willows Portal The portal within Area 2 which provides vehicle access to the Willows Access Tunnel. Wharekirauponga Access Tunnel Portal or WUG Portal A new portal within the Waihi SFA in Area 5 between the existing Polishing Pond Stockpile and the end of Moore Street which will provide access to the Wharekirauponga Access Tunnel Vent shaft / shaft(s) Required for air circulation and to provide an emergency exit from the Wharekirauponga Dual Tunnel, Willows Access Tunnel and Wharekirauponga Underground Mine. Five vent shafts are proposed – four on Hauraki District Council administered road reserve within the Coromandel Forest Park and one within Area 2.
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