8 b. As a minimum, meets the information requirements in Condition C22. C21 The objectives of the Dewatering and Settlement Monitoring and Management Plan are to: a. Ensure the dewatering activities do not cause surface instability or differential settlement which could damage infrastructure or buildings on land not owned by the Consent Holder; and b. Avoid the dewatering having a measurable adverse effect on any existing groundwater abstraction used for domestic, stock or other purposes. C22 The Dewatering and Settlement Monitoring and Management Plan shall include: a, An overall description of the groundwater and settlement monitoring system and the measures to be adopted to meet the objectives in Condition C21. b. Details of a network of piezometers to monitor the effects of dewatering on any aquifer which could be affected by the activities authorised under this consent. The network shall provide an appropriate resolution of groundwater levels to identify trends which may result in potentially damaging effects on surface infrastructure and may include use of existing piezometers which have been established to monitor the Consent Holders existing activities. c. Details of a settlement monitoring network to monitor the extended zone which has been, or is likely to be, affected by settlement caused by dewatering. The monitoring network shall provide an appropriate resolution of surface tilt levels to identify trends which may result in potentially damaging effects on surface infrastructure and may include use of existing settlement monitoring points which have been established to monitor the Consent Holder’s existing activities. d. Identification of facilities potentially “at risk” of damage from ground settlement caused by dewatering, and a survey programme to collect information about each facility’s location, construction materials, and the nature of any sensitive equipment onsite that is potentially at risk. e. All necessary Trigger Action Response Plans to achieve the objectives of the Dewatering and Settlement Monitoring and Management Plan, including, at minimum a trigger requiring action and a response in the event that ground settlement caused by
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