MCU25 0087 - Reference Document - Geotech assessment report (As Published) · MCU25/0087

        Tables
        Table 1: Summary of Subsurface Profiles ................................................................................................................................ 8
        Table 2: Stability Risk Levels ....................................................................................................................................................... 11
        Table 3: Details of Qualitative Risk Assessment for Property (AGS 2007) ................................................................ 12
        Table 4: Soil Parameters Adopted for Slope/W Analyses ............................................................................................... 14
        Table 5: Slope/W Analysis Results ........................................................................................................................................... 14
        Table 6: Retaining Structure Design Parameters ................................................................................................................ 21

        Text Figures
        Text Figure 1: Proposed layout plan (upper), elevations (middle) and sections (lower), courtesy of
              ADG............................................................................................................................................................................................ 2
        Text Figure 2: Aerial image of the site and immediate surrounds (courtesy Nearmap, 25 August
              2025) .......................................................................................................................................................................................... 4
        Text Figure 3: Oblique drone image of the site and surrounds, looking north ........................................................ 5
        Text Figure 4: Oblique drone image of the site, looking west ........................................................................................ 5
        Text Figure 5: Oblique drone image of the site, looking east ......................................................................................... 6
        Text Figure 6: Site plan showing ground surface contours (courtesy Noosa Council [NC] ‘Intramaps’) ........ 7
        Text Figure 7: Extract of Laguna Bay 1:100,000 Scale Surface Geology map ............................................................ 7
        Text Figure 8: Extract from NC landslide hazard overlay mapping ............................................................................. 10
        Text Figure 9: Slope/W Output – Case 1 ............................................................................................................................... 15
        Text Figure 10: Slope/W Output – Case 2 ............................................................................................................................. 15
        Text Figure 11: Zone of influence diagrams – footings to be founded below these lines ................................. 20

        Figures
        Figure 1: Site Plan
        Figure 2: Section A-A’

        Appendices
        Appendix A                       Borehole/DCP Reports & Explanatory Notes
        Appendix B                       Laboratory Test Certificate
        Appendix C                       Extracts from AGS Guidelines (2007)
        Appendix D                       Limitations




        Geotechnical investigation
        19 November 2025 | 25289-001-Rev0                                                                                                                                                                   iv
Document Set ID: 24631529
Version: 1, Version Date: 24/03/2026