Appendix D - Geotechnical Report

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Client:          Tectonic Geotechnical Pty Ltd                    Job No:          002552                                                          Sample ID:        00009127
Address:         924 David Low Way Marcoola                       Lot No:          0.20 - 0.30m                                                    Client Sample ID: TP2
                 Queensland 4564                                  Material Source: Black Mountain, QLD                                             Sample Method: Sampled by Client
Site:            Office - 924 David Low Way, Marcoola             Material Type: Insitu Material                                                   Sampled Date: 04/03/2026
Order No:        26073                                            Description:     See Note below                                                  Tested Date:      17/03/2026
Order Name:      Black Mountain Range Road, Black                 Lithology:       -
                 Mountain




                                         Particle Size Distribution of Aggregate
                      Method:                                                       AS1289.3.6.1, Q253
                      Sieve Size (mm)                                               % Passing
                      37.5                                                          100
                      26.5                                                          100
                      19                                                            100
                      13.2                                                          100
                      9.5                                                           100
                      6.7                                                           99
                      4.75                                                          99
                      2.36                                                          99
                      1.18                                                          98
                      0.600                                                         97
                      0.425                                                         97
                      0.300                                                         96
                      0.150                                                         96
                      0.075                                                         95
                      Fines Ratio                                                   0.98
                      Fines To Sand Ratio                                           0.96

                                       Note: CH CLAY, trace gravel, trace sand, red brown, high plasticity




Approved Signatory:                                                          (Adrian Collier, Principal Consultant)                                                                 Date: 24/03/2026




                                                                                                                                                                                  Site No.: 24729
Accreditation No.: 20630
                                                                                                                                                                          Cert No.: 069-00009127
Accredited for compliance with ISO / IEC 17025 - Testing
                                                                                                                                                          Form No.: GWB-FMR-069 v.1.0 26.08.2019


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