B-2 – Area 2 - Assessment of Environmental Effects 45 applies to proposed damming, diversion and discharges within 100m of the Mataura wetland. For completeness, it is noted that while earthworks are proposed within 100 m of the Mataura wetland, they will not result in complete or partial drainage of all or part of the wetland. Therefore, they are not covered by Regulation 52 of the NES Freshwater. Table 3: Activity status of the resource consents required to establish and operate the Willows SFA (Area 2). Activity Relevant Rules Comment The Use of Land (RMA s9(2)) To drill below the water table to establish underground tunnels, portals and mines using a drill and blast technique. Discretionary activity under Rule 3.8.4.8. The tunnels will be established using the drill and blast technique. This will not take place near any Geothermal Features so Rule 3.8.4.9 does not apply. To drill holes below the water table to establish and operate piezometers. Discretionary activity under Rule 3.8.4.8. Various piezometers will be installed for monitoring purposes. To undertake soil disturbance and vegetation clearance within a highrisk erosion area. Discretionary activity under Rule 5.1.4.15 Vegetation clearance and associated soil disturbance may occur on land with a slope in excess of a 25-degree gradient, and / or within 5 meters of a water body. The permitted activity standards of Rule 5.1.5 and the controlled activity standards of 5.1.4.14 may not always be able to be complied with. Resource consent is therefore required as a discretionary activity under Rule 5.1.4.15. Activities in the bed of Rivers (RMA s13 consents) To disturb and reclaim the bed of unnamed tributaries of the Mataura Stream associated with establishing clean and dirty water drains for erosion and sediment control purposes. Discretionary activity under Rule 4.3.4.4. Discretionary activity under Over the life of the project, multiple clean and dirty water drains will be established to divert water around the site for erosion and sediment control purposes. Some may intercept waterbodies. This will include the uphill
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