Waihi North Project – Overview of Application Structure xi Term Meaning At its maximum extent, the NRS footprint will encompass the existing Northern Stockpile area. Northern Stockpile An existing stockpile located north of the existing TSF2. This stockpile can be used in association with any new mine located within the Waihi epithermal district. Overland Flow Path Routes that collect and convey rainwater. Typically, they only flow for the duration of a rain event. Paper road HDC legal road reserve: a legally-recognised road that is undeveloped or partly formed, but provides public access to a particular area or feature. Permanent river or stream A continually flowing body of fresh water, excluding ephemeral streams, and includes a stream or modified watercourse; but does not include any artificial watercourse (including an irrigation canal, water supply race, canal for the supply of water for electricity power generation, and farm drainage canal except where it is a modified element of a natural drainage system). Pier Vertical support structure for a bridge. Polishing Pond Stockpile An existing stockpile is located within the Waihi SFA to the north of the WTP. It is used to temporarily stockpile rock before it is transported elsewhere for permanent disposal. It may also be used to temporarily store excess ore where it exceeds the Processing Plant and ROM Stockpile capacities. This stockpile has a footprint of approximately 250m by 200m (5ha) and a height of approximately 30m. Processing Plant Located within the Waihi SFA in Area 5. It consists of a conventional carbonin-pulp gold and silver processing plant. The Processing Plant is currently authorised to process up to 1.25 million tonnes of ore per annum from anywhere in the Waihi epithermal district. The Processing Plant will be upgraded as part of the Waihi North Project. Project Martha Authorised in 2018 to extend life of mining in Waihi. Contains two key components; the Martha Underground Mine and the Martha Phase 4 Cutback. Raise Boring Machine A machine used in underground mining, to excavate a circular hole between two levels of a mine without the use of explosives. Regional Plan Refers to the Waikato Regional Plan. Rehabilitation and Closure Plan Describes the proposed method of rehabilitation and closure of the project areas. Rock and Tailings Storage Facilities Engineered structures designed and constructed to hold mineral waste (tailings) and / or rock. Existing Rock and Tailings Storage Facilities include the Central, Northern and Eastern Stockpiles and two Tailings Storage Facilities (known as TSF1A and TSF2) to the east of the Ohinemuri River.
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