210533 - 108 Black Mountain Range Road, BLACK MOUNTAIN - Slope Stability Report

16 June 2022                                                                                     Project No. 20332-003-Rev0

Total Concept Homes
Attention: Mr Tim English

Email: [email protected]


SLOPE STABILITY ASSESSMENT
PROPOSED GRANNY FLAT
108 BLACK MOUNTAIN RANGE ROAD, BLACK MOUNTAIN


Dear Tim,

1.0     INTRODUCTION
As requested, Tectonic has undertaken a slope stability assessment for a proposed granny flat at 108
Black Mountain Range Road, Black Mountain. This report presents the results of our slope stability
assessment, together with geotechnical advice for the development. In summary, subject to
implementation of the recommendations made herein, it is assessed that there would be a Low Risk of
slope instability affecting the proposed building 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 subject site is described as Lot 1 on SP326083 and covers a total area of 43,303 m2. The site has
access off Black Mountain Range Road along a small frontage to the south-west. Surrounding properties
feature similar rural residential blocks to the north, east and south. Text Figure 1 below illustrates the site
position. A detailed description of the site features is given in Section 2.



                                                                  Approx. site of proposed granny flat




                                           Existing residence

                                                                                                     Lot boundary



Text Figure 1: 2019 Aerial Image of site and surrounds (courtesy Noosa Council [NC] Interactive Maps)




                                                     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