PTG_00259 - 0001 - Rev0 - Geotechnical Investigation Report (1)

                                                                                                       PTG Consulting
                                                                                                  ABN: 89 668 880 448
                                                                                            www.ptgconsulting.com.au



1. REPORT SCOPE
This report presents the results of the geotechnical investigation carried out by PTG Consulting (Formerly
Protest) for a proposed Residential development at 25 Wyuna Drive, Noosaville. The investigation was
commissioned by SCG Consulting Engineers.

The geotechnical investigation comprised a single borehole with Dynamic Cone Penetrometer (DCP) testing
adjacent to the borehole and laboratory testing of selected representative soil samples undertaken per Protest’s
proposal PTT/07959/Rev0, ‘AS1726:2017-Geotechnical Site Investigations’ and ‘AS1289-Methods of Soil Testing
for Engineering Purposes’.

This report includes a description of the fieldwork procedures, the results of the fieldwork and laboratory testing,
and reporting on the following:
•     Site description including detailed bored logs, site images and marked site plan with approximate test
      locations;
•     Review of regional geology;
•     Subsurface conditions, including groundwater (if encountered);
•     Site classification and predicted ground surface movement (ys) per AS 2870-2011;
•     Indicative allowable bearing pressures for high-level footings;
•     Indicative temporary and permanent cut batter slopes;
•     Indicative presence and severity of ASS; and
•     Any other geotechnical issues identified that will need management (if any).


2. PROJECT DESCRIPTION
The client's information indicates that at the time of the investigation, there was an existing dwelling on the
property, and limited access to the site was available. It is planned that the site will be demolished at a later
time. The preliminary information provided by the client indicates that the proposed new works will consist of
a residential building with basements. Additionally, it is understood that the site is located within an acid
sulphate soil (ASS) hazard overlay. A preliminary investigation of one borehole was proposed, with an additional
site visit scheduled after the demolition.



3. SITE DESCRIPTION
The investigated site is located 25 Wyuna Drive, Noosaville and is identified as Lot 12 on N10576. The site is
bordered by residential houses to the west and east, Wyuna Drive to the south, and Weyba Creek to the north.
At the time of investigation, the site was comprised of a residential house, maintained lawns and gardens, and
mature trees scattered throughout. Figure 1 is a 10 April 2024 Nearmap view of the site and its surroundings.
Figure 2 shows general site conditions at the time of the investigation.




PTG/00259 – 25 Wyuna Drive, Noosaville             Page 4 of 15                                        28 June 2024