Reference Document - Geotech Report - MCU24 0094 · MCU24/0094

                                             PROPOSED RESIDENCE
                                             33 ROSS CRESCENT, SUNSHINE BEACH

TABLES
Table 1: Summary of Subsurface Profiles ........................................................................................................................... 8

Table 2: Stability Risk Levels .............................................................................................................................................. 9

Table 3: Details of Qualitative Risk Assessment for Property (AGS 2007) ....................................................................... 10

Table 4: Soil Parameters Adopted for Slope/W Analyses ................................................................................................. 12

Table 5: Slope/W Analysis Results ................................................................................................................................... 12

Table 6: Retaining Structure Design Parameters .............................................................................................................. 18



TEXT FIGURES
Text Figure 1: Architectural rendering of the proposed development looking west (courtesy SLA)..................................... 1

Text Figure 2: Preliminary building layout plan (courtesy SLA) .......................................................................................... 2

Text Figure 3: Preliminary cross sections (courtesy SLA), looking north (upper), looking south (lower) ............................. 2

Text Figure 4: Recent aerial image of the site and immediate surrounds (courtesy Nearmap, 10 April 2024) .................... 4

Text Figure 5: Oblique drone image of the site and surrounds, looking south..................................................................... 5

Text Figure 6: Drone image looking west towards the subject site...................................................................................... 5

Text Figure 7: Looking north along the coastline, oblique drone image .............................................................................. 6

Text Figure 8: Site plan showing ground surface contours (courtesy Noosa Council [NC] ‘Intramaps’) ............................. 7

Text Figure 9: Extract of Laguna Bay 1:100,000 Scale Surface Geology Map.................................................................... 7

Text Figure 10: Extract from NC landslide hazard overlay mapping ................................................................................... 9

Text Figure 11: Footing depth required to mimimise risk of undermining .......................................................................... 17



FIGURES
Figure 1: Site Plan

Figure 2: Subsurface Section A-A'

Figures 3 to 7: Slope/W Outputs



APPENDICES
APPENDIX A
Borehole & DCP Reports and Explanatory Notes

APPENDIX B
Geotechnical Laboratory Test Certificates

APPENDIX C
AGS Guidelines – Qualitative Terminology for Use in Assessing Risk to Property
Some Guidelines for Hillside Construction

APPENDIX D
Limitations




18 June 2024
Report No. 24096-001-Rev0                                                             iv