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Appendix G - Geotechnical Report
Total Concept Homes 20332-001-Rev0
15 December 2020
The proposed subdivision boundary runs south-west to north-east across the site, just off the southern edge
of a spur. The proposed residence on the future allotment would be sited on this spur, with the top sloping at
around 5° (9 %) to the north and south, then extending to 9° to 10° (16 % to 18 %) around mid slope; and
steepening further to around 20° (36 %) around 30 m downslope of the residence. Slopes were noted to
increase consistently, with no irregular surface features observed which would indicate slope instability.
Initial gully forming off Black Mtn Range Rd
Overall existing lot boundary
Text Figure 5: Image showing ground surface contours (courtesy NC Interactive Maps)
Text Figures 6 and 7 below illustrate the site conditions at the time of our inspection.
Drill rig
Large trees to west of proposed residence
Text Figure 6: View looking south over area of proposed residence (drill rig at borehole BH1)
Ground sloping at 15° to 20°
XW to moderately weathered
phyllite exposed in cut
Text Figure 7: View looking west over existing access alignment, where fill is proposed highest on new driveway
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