Proposed Resource Consent Conditions

9 mine dewatering induces a tilt that exceeds 1 in 1000 between any two network monitoring locations. f. A dewatering contingency plan that describes the steps the Consent Holder shall implement in the event that dewatering results in adverse impacts on affected aquifer systems and associated groundwater supplies used for domestic, stock or other purposes. In detailing the monitoring programmes the Dewatering and Settlement Monitoring and Management Plan shall provide information on the monitoring methods proposed, the parameters to be monitored, and the calibration and maintenance of monitoring equipment. C23 The Consent Holder must implement the certified Dewatering and Settlement Monitoring and Management Plan. In the event of any conflict or inconsistency between the conditions of this consent and the provisions of the Dewatering and Settlement Monitoring Plan, the conditions of this consent shall prevail. Reporting C24 In the event that a tilt greater than 1 in 1,000 occurs between any two network monitoring locations installed in accordance with the Dewatering and Settlement Monitoring and Management Plan, or there is a significant variance from the predicted settlement rates in that Plan, the Consent Holder shall notify the Councils in writing within 20 working days of receiving the results of the monitoring. The Consent Holder shall then: a. Explain the cause of the tilting; b. If required to ensure the objectives in Condition C21 are achieved, propose appropriate settlement contingency measures to the Councils and the timing for implementation of those measures by the Consent Holder; c. Implement settlement contingency measures as appropriate within the agreed time limit; and d. Advise the Councils on the steps the Consent Holder proposes to take in order to prevent any further occurrence of the situation, including, if needed, changes to the certified Dewatering and Settlement Monitoring and Management Plan. C25 The Consent Holder shall as a matter of urgency, advise the Councils of any significant anomalies identified by the regular reading of groundwater levels in the piezometer network. Such advice is to include an explanation of the anomalous results and actions proposed

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