Waihi North Project – Overview of Application Structure xii Term Meaning Run of Mine Stockpile The Run of Mine Stockpile is located within the Waihi SFA and is used to store ore before it is processed in the Processing Plant. It is located to the south of the Transfer Station on the conveyor and adjacent to the Processing Plant. Sediment control Capturing sediment that has been eroded and entrained in overland flow before it enters the receiving environment. Services Trench A trench that will be established between the Waihi SFA and Willows Road SFA to carry electricity, fibre, wastewater, and potable/raw/recycled water services within buried pipelines. Shaft Collective term for ventilation raise shafts and egress shafts. Significant Natural Area Areas of significant terrestrial indigenous vegetation or significant habitats of indigenous fauna located either on land or in freshwater environments identified in District Plans. Silt Ponds A pond for capturing run off water which has not intercepted potentially acid forming rock for the purpose of intercepting hydrocarbons and allowing the settling of sediments prior to discharge to the local environment. Slevin Underground Mine An existing underground mine, authorised in 2016, located beneath residential properties in Waihi's east end and accessed via the existing Favona portal. Southern Diversion Drain Is an existing diversion channel that diverts clean surface water around TSF1A. It will be extended around TSF3 as part of the Waihi North Project works in Area 7. Southern Stockpile A temporary topsoil and NAF area (approximately 0.9 ha in area and approximately 12m high) to be established around the GOP for storing topsoil stripped from the GOP. Stormwater Water that flows from impervious areas after the construction period. Stoping The opening of large underground rooms, or stopes, by the excavation of ore. Tributaries Small ‘feeder’ streams that drain into larger streams and rivers. The catchments of these tributaries are known as sub-catchments. Trio Underground Mine An existing underground mine, authorised in 2012, located beneath residential properties in Waihi's east end and accessed via the existing Favona portal. True Left or True Right The true left and true right banks of a stream or watercourse refers the left or right side of the stream when looking downstream, i.e., looking to where the water is flowing to. TSF1A and TSF2 Existing tailings storage facilities located to the east of the Ohinemuri River. TSF3 A new tailings storage facility to be established as part of the WNP in Area 7 to the east of the existing TSF1A. It will accommodate additional tailings
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