Slope Stability Assessment

25 July 2022                                                                                        Project No. 22198-001-Rev1

Paul & Janelle DeSouza
C/- Sarah Waller Architecture

Attention: Sarah Waller
Email: [email protected]

SLOPE STABILITY ASSESSMENT
PROPOSED RESIDENCE
178 DAVIS ROAD, COOTHARABA


Dear Sarah,



1.0     INTRODUCTION
As requested, Tectonic has undertaken a slope stability assessment for a proposed residence at
178 Davis Road, Cootharaba. This report presents the results of our slope stability assessment, together
with geotechnical advice for the project. In summary, subject to implementation of the recommendations
made herein, 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 Site and Development

The property is described as Lot 7 on SP115866 and covers an area of 11.25 ha, with frontage to Davis
Road along the southern boundary. The proposed residence would be towards the northern end of the
property. Surrounding the site are a mixture of bushland and rural residences in adjacent blocks. Text Figure
1 on the next page illustrates the site location. A detailed description of the site is given in Section 2.




      Approx. site of residence




                                                                                     Lot boundary




Text Figure 1: Aerial image of site and surrounds from 2019 (courtesy Noosa Council [NC} Developmenti)



                                                     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