SECTION 1 Introduction 2 Figure 1 WNP Proposed Tunnel Sections When considering the potential for effects on groundwater due to the construction of the tunnels it is important to understand the mitigating design philosophy. As stated in the project description prepared by OGNZL, the following provides the proposed approach to groundwater management. “Incidental, minor quantities of water emanating from the ground and/or from normal tunnelling operations will be drained to sumps within the tunnels. Thereafter water will be
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