21054-001-Rev0 Tristania Dr

25 February 2021                                                                              Project No. 21054-001-Rev0

Peter Williams

Email: [email protected]




SLOPE STABILITY ASSESSMENT – PROPOSED RESIDENCE
8 TRISTANIA DRIVE, MARCUS BEACH


Dear Peter,

1.0     INTRODUCTION
As requested, Tectonic has undertaken a slope stability assessment for a proposed residence at
8 Tristania Drive, Marcus Beach. This report presents the results of our slope stability assessment,
together with geotechnical advice for the project. In summary, subject to the implementation of the
recommendations made herein, it is assessed that there would be a Low Risk of slope instability affecting
the proposed residence in accordance with the Australian Geomechanics Society Guidelines for Landslide
Risk Management, dated March 2007 (AGS 2007).

1.1    Details of the Site and Development

The site is described as Lot 100 on M1112, covers an area of 632 m2, and has frontage to Tristania Drive,
Toona Street and David Low Way along the eastern, southern, and western boundaries, respectively. At the
time of the assessment a vacant allotment was located directly to the north, with existing residential houses
and low-rise units further to the north and south. The Marcus Beach foredune is located on the opposing
side of Tristania Drive to the east. A 2020 aerial image of the site and surrounds is shown in Text Figure 1
below. A more detailed description of the site is given in Section 2.




                                                              Subject Site




Text Figure 1: Aerial image of site and surrounds from 2020 (courtesy of Nearmap imagery)




                                                    Tectonic Geotechnical Pty Ltd
                                                   PO Box 899, Buderim, QLD 4556
                                       Office: 07 5478 9016 Email: [email protected]
                                                       www.tectonicgeo.com.au
                                                         A.B.N. 83 165 727 828