EGL Ref: 9049 23 June 2022 Page 36 File: WAI-985-000-REP-LC-0050-Rev0.docx This report shall only be read in its entirety. Assessment of ground settlement is based on both review of past settlement trends and theoretical calculations (where relevant). The assessed effects, mitigation actions and recommendations are summarised in Section 8.0. Overall, ground settlement effects are assessed to not cause damage to any structures, if the recommendations are followed, with appropriate mitigations where necessary. Monitoring of groundwater levels (dewatering) and ground settlements is required to check settlements are within estimates and there are no unforeseen effects. The dewatering and settlement monitoring plan will be updated for the Waihi North Project. Trigger Action and Response Plans (TARPS) that set triggers and specific actions including mitigation measures if trigger levels are exceeded are recommended for the MUG decline and Wharekirauponga Access Tunnel.
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