Supporting Technical Assessments

SECTION 5 WUG Access Tunnel C:\D Data\GWS C Drive\GWS\Client Files\1344 OGL - WKP\4 Deliverables\WUG Effects Summary\June 2022\WNP Groundwater Effects Summary_Final_Rev_0.docx 17 5. WUG Access Tunnel 5.1 Description The WUG access tunnel is approximately 5 km long. This tunnel will be driven from both the Willows farm and processing plant side, meeting in the middle. From the processing plant side the initial decline is around 1,500 m after there is a gentle incline. The tunnel alignment is shown on Figure 18. Figure 18 WUG Access Tunnel Location 5.2 Characterisation A ground model (Golder) was developed along the tunnel alignment based on existing drill hole information with some regional geologic interpetation applied.

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