Geotechnical Investigation Report

1 REPORT SCOPE

This report presents geotechnical reporting based on the results of a geotechnical investigation carried out by Core
Consultants Pty Ltd, for the proposed residential development to be located at 23 Bottlebrush Avenue, Noosa QLD
4567 . PTG Consulting (PTG) was engaged to re-evaluate and report on the geotechnical investigation results
considering new updated plans for the development. The investigation was commissioned by Cheri Hill on behalf of
JTJH Developments Pty Ltd.

Based on the plans provided by JTJH Developments (drawing package ref. MCU20-0116 dated 23 August 2021), it is
understood that the final usage of the site will comprise a three-storey residential dwelling with basement level
carparking and associated driveway, courtyard and swimming pool.

Geotechnical investigation for the site was completed by Core Consultants in August 2021 (report ref. JOO1369-001-
R-RevO Geotechnical Investigation Report). The investigation scope included two (2) hand auger boreholes with
dynamic cone penetrometer (DCP) testing undertaken in general accordance with 'AS1726:2017-Geotechnical Site
Investigations’.

This report includes a brief description of the fieldwork procedures, the results of the fieldwork and reporting on the
following:
Subsurface conditions including groundwater (if encountered);
Site classification and predicted ground surface movement (Ys) in accordance with AS 2870-2011;
Earthworks recommendations;
Allowable bearing pressures for high level footings and estimated settlements;
Suitable pile types, ultimate base bearing, skin frictions and estimated settlement (if required);
Landslide risk assessment per Council Legislation;
Temporary and permanent batter slopes;
Basement construction recommendations; and
Any other geotechnical issues identified that would need management (if any).

2 SITE DESCRIPTION

The site is located at 23 Bottlebrush Avenue, Noosa Heads and is identified as lot 140 on RP88934. The site has an
area of 506 m? and is bordered by residential units to the northwest and southeast, a residential house to the northeast
and Bottlebrush Ave to the southwest. Figure 1 shows an aerial view of the site and surrounds with the approximate
site boundary shown in red.

Review of contour plans provided indicates that the that the site currently slopes down from the rear of the property
towards Bottlebrush Ave from approximately RL 37 m down to RL 31m ADH.

At the time of the investigation, there was a house covering much of the lot surrounded by trees and other vegetation.
Figures 2 and 3 are images that were taken at the time of the investigation and show the general site conditions.