Table 2 WNDD007 Vibrating Wire Tip and Groundwater Elevations Tip Depth (m) Tip Elevation (m RL) Head (m) Groundwater Elevation (mRL) 49.1 1188.9 11.2 1200.1 141.8 1096.2 22.6 1118.8 217.6 1020.4 27.9 1048.3 WNDD007 Ground Level Elevation is 1238.0 mRL Permeability Testing Follow construction of the monitoring wells permeability testing was undertaken using rising and falling head techniques. The testing and analysis was undertaken by GHD. The results of the testing are summarised in Table 3. Table 3 Summary Hydraulic Conductivity Values Monitoring Well Lithology Hydraulic Conductivity (m/s) Min Max WFBH001D Weathered Tuff 1.8 x 10-6 2.2 x 10-6 WFBH001S Clay Soils 1.2 x 10-7 2.3 x 10-7 WFBH002 Terrace Gravel 3.3 x 10-8 4.4 x 10-8 WFBH004 Terrace Gravel 3.1 x 10-8 6.7 x 10-8 WFBH005 Terrace Gravel 8.2 x 10-6 1.2 x 10-5 WFBH006D Weathered Tuff 5.3 x 10-7 7.1 x 10-7 WFBH006S Terrace Gravel 4.0 x 10-5 1.1 x 10-4 WFBH007 Silt Soils 1.0 x 10-5 1.7 x 10-5 WFBH009 Silt/Clay Soils 1.1 x 10-7 1. x 10-7 WFBH0012D Altered Tuff 5.7 x 10-8 8.8 x 10-8 WFBH0012S Sandy Soils 1.1 x 10-6 1.2 x 10-6 WFBH0013 Silt Soils 3.6 x 10-7 5.3 x 10-7 WFBH0014 Tuff/Andesite 1.1 x 10-6 7.1 x 10-6 WFBH0015 Silt Soils 2.2 x 10-7 3.1 x 10-7 WFBH0016 Silt Soils 2.0 x 10-7 2.6 x 10-7
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