Reference Documents - OPW24-0098

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Figure 3: Regional Geology (extracted from QGD)



5. FIELD INVESTIGATION
The fieldwork included drilling one (1) borehole to a termination depth of 6 m using a 4WD utility-mounted
drilling rig fitted with 100 mm diameter solid flight augers. A geotechnical logged the materials and collected
samples.

Disturbed samples of representative soil materials were collected from the boreholes for soil description,
classification, and subsequent laboratory testing. The disturbed samples were subjected to visual-tactile
description and classification, which are shown on the attached logs and described in accordance with
AS1726:2017.

DCP testing was undertaken adjacent to the borehole from the surface, and the number of blows to achieve
100 mm depth penetration was recorded per AS1289.6.3.2.

Soil consistency and relative density described on the borehole logs were inferred from the DCP results, tactile
assessment, and published correlations.

The approximate borehole location are shown on the test location plan attached in Drawing 1. The borehole
log report sheets are attached in Appendix 2.




PTG/00259 – 25 Wyuna Drive, Noosaville            Page 6 of 15                                     28 June 2024