SECTION 6 Groundwater Effects Assessment – Recommendations 35 6.2.3 WUG Dual Tunnels The tunnel alignment from Willows Farm to WUG is considered low risk with respect for potential effects on groundwater. This is because the tunnel is deep with limited spatial dewatering expected in the rockmass and mitigation will be employed to minimise connections to the surface and therefore surface waters. Given these factors, no shallow groundwater monitoring along this section of the tunnel alignment (beneath DOC land) is considered necessary nor is proposed. Groundwater and surface water monitoring is proposed at the WUG orebody itself which is the subject of a separate report by GWS (WAI-985-000-REP-LC-0030B).
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