B-2 – Area 2 - Assessment of Environmental Effects 83 Actual or Potential Effect Recommended Mitigation / Management Recommended Monitoring / Future Action Additional Measures Proposed by OGNZL In general accordance with Erosion and Sediment Control Assessment Report by Southern Skies dated June 2022 which is provided in Part H of these application documents. It will include diversion of cleanwater around worksites, and the capture and treatment of all stormwater from work areas in appropriately designed sediment retention devices prior to discharge to adjacent waterbodies. high rainfall events to confirm they are operating effectively and meeting performance targets. Willows Access Tunnel groundwater dewatering reducing flows to Mataura Stream. See Groundwater Section. See Groundwater Section. None. Air Quality Dust discharge impacting the amenity of surrounding neighbours. Preparation and implementation of an AQMP, including the use of water carts, and wind speed trigger levels for reviewing and ceasing work during conditions susceptible to dust generation. An ambient air quality monitoring programme for deposited particulate matter and TSP. None. Heritage Removal of part of the Mataura Water Race (T13/961). Removal of one of the branches of the High-Level A general Heritage NZ Archaeological Authority will be applied for under the Heritage New Zealand Pouhere Taonga Act 2014 to cover the entire Waihi North Project. Monitoring will be undertaken as required by the Heritage NZ Archaeological Authority. None.
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