Geotechnical Investigation Report · OPW26/0149

                                                                                                                                                                                                                                                              BOREHOLE BH03
                                                                                                                                                                             CLIENT: SCG Consulting Pty Ltd                                                   DATE: 21/07/2026
                                                                                                                                                                             PROJECT: Geotechnical Investigation                                              EASTING: 494312 m
                                                                                                                                                                             LOCATION: 87 Hayward Rd, Lake Macdonald, QLD, 4563                               NORTHING: 7079632 m
                                                                                                                                                                             PROJECT NUMBER: PTG/04982                                                        SURFACE ELEV:
                                                                                                                                                                             DRILLER: PTG Consulting Pty Ltd RIG: GT-10                                       LOGGED: JN            CHECKED: PH


                                                                                                                                                                                                                                                      Sampling & Testing
                                                                                    Drilling Method




                                                                                                                    Layer Depths
                                                                                                      Graphic Log




                                                                                                                                                                                                                                Strength                                             Dynamic
                                                                                                                                                             Material Description                                                 (Consistency,              Results &           Penetrometer Test
                                                                                                                                                                                                                                                     Type                       (blows per 100 mm)
                                                                                                                                                                                                                                                             Comments




                                                                                                                                                                                                           Water
                                                                                                                                                                                                                                 Relative Density,
                                                                         RL Depth                                                                                                                                                 Rock Strength)
                                                                         (m) (m)                                                                                                                                                                                                5    10   15   20
                                                                                                                       0           CI Silty CLAY, pale brown orange with orange, medium plasticity, very                                                                   6
                                                                                                                                   stiff to hard, moist                                                                                                                    8
                                                                                                                                                                                                                   Very Stiff to Hard
                                                                                                                                                                                                                                                                           11
                                                                                                                    0.3 stiff to very stiff                                                                                                                                6
                                                                                                                    0.4 red brown with pale grey, medium to high plasticity                                                                                                4
                                                                                                                                                                                                                                                                           6
                                                                                                                                                                                                                   Stiff to Very Stiff                                     7
                                                                                                                                                                                                                                                                           8
                                                                                                                                                                                                                                                                           9
                                                                                1                                                                                                                                                                                          9
                                                                                                                       1           hard                                                                                                                                    11
                                                                                                                                                                                                                                                                           10
                                                                                                                                                                                                                                                                           12
                                                                                                                                                                                                                                                                           14
                                                                                                                                                                                                                                                                           11
                                                                                                                                                                                                                                                                           15
                                                                                                                                                                                                                                                                           13
                                                                                                                                                                                                                                                                           13
                                                                                                                                                                                                                                                                           10
                                                                                2                                                                                                                                                                                          14
                                                                                                                                                                                                                                                                           20




                                                                                3
                                                                                                                       3           orange with pale grey




                                                                                                                                                                                                                   Hard




                                                                                4
PTG - BOREHOLE REPORT (NORMAL) PTG_04982 BH LOGS.GPJ DRAFT.GDT 23/8/26




                                                                                5




                                                                                6
                                                                                                                                   Bore terminated at 6 m.
                                                                                                                                   Target depth achieved.




                                                                         Remarks: