Geotechnical Report (1) · MCU21/0212

                                             PROPOSED RESIDENCE
                                             66 SEAVIEW TERRACE, SUNSHINE BEACH

TABLES
Table 1: Summary of Subsurface Profiles ........................................................................................................................... 9

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 ................................................................................................. 13

Table 5: Slope/W Analysis Results ................................................................................................................................... 14

Table 6: Retaining Structure Design Parameters .............................................................................................................. 19



TEXT FIGURES
Text Figure 1: Section through proposed residence, looking north (courtesy Shaun Lockyer Architects) ........................... 1

Text Figure 2: Recent aerial image of the site and immediate surrounds (courtesy Nearmap, 10 September 2021).......... 3

Text Figure 3: Oblique drone image of the site, looking north-west .................................................................................... 4

Text Figure 4: Looking due west over dune in vicinity of site .............................................................................................. 4

Text Figure 5: Looking north-east over site frontage to Seaview Terrace ........................................................................... 5

Text Figure 6: Looking south along frontage showing road embankment along western site boundary ............................. 5

Text Figure 7: Looking east over proposed building area, drill rig at borehole BH3 ............................................................ 6

Text Figure 8: Site plan showing ground surface contours (courtesy Noosa Council ‘Intramaps’) ..................................... 6

Text Figure 9: Drone image of the dune face and main beach looking north ...................................................................... 7

Text Figure 10: Extract of Gympie Special 1:100,000 Geology Map ................................................................................... 8

Text Figure 11: Extract from Noosa Council landslide hazard overlay mapping ............................................................... 10

Text Figure 12: Footing depth required to prevent undermining........................................................................................ 18



FIGURES


Figure 1: Site Plan

Figure 2: Subsurface Section A-A'

Figures 3 to 7: Slope/W Outputs




23 November 2021
Report No. 21370-001-Rev0                                                             v