RFI - Attachment D - Geotechnical Investigation Report · MCU25/0053

           1 REPORT SCOPE                                                                                                                                         4
           2 SITE DESCRIPTION                                                                                                                                     4
           3 REGIONAL GEOLOGY                                                                                                                                     5
           4 PROJECT CONSTRUCTION OVERVIEW                                                                                                                        6
           5 FIELD INVESTIGATION                                                                                                                                  6
CONTENTS
           6 GEOTECHNICAL MODEL                                                                                                                                   6
           7 LABORATORY TESTING AND RESULTS                                                                                                                       7
           8 ACID SULFATE SOILS COMMENTS                                                                                                                         10
           9 GEOTECHNICAL COMMENTS                                                                                                                               12
               SITE CLASSIFICATION AND SITE MOVEMENTS                                                                                                            12
               FOUNDATIONS                                                                                                                                       12
           9.2.1 HIGH LEVEL FOUNDATIONS                                                                                                                          12
           9.2.2 PILED FOUNDATIONS                                                                                                                               12
               RETAINING WALL PARAMETERS                                                                                                                         13
           10 LIMITATIONS                                                                                                                                        14



           TABLES
           Table 1: Summary of Materials Encountered in Boreholes ................................................................................................ 7
           Table 2: Field pH (pHF) and Field pH Peroxide (pHFOX) Screening Results ....................................................................... 7
           Table 3: Summary of Chromium Reducible Sulphur (CRS) test results ......................................................................... 10
           Table 4: Summary of possible PASS, based on initial pHF and pHFOX screening. .......................................................... 11
           Table 5: Action Criteria Thresholds for Soil-Lime Treatment ............................................................................................ 11
           Table 6: Allowable Bearing Pressures for High Level Footings ........................................................................................ 12
           Table 7: Ultimate Geotechnical Design Parameters for Bored or Driven Piles ........................................................... 13
           Table 8: Geotechnical Parameters for Retaining Wall Design ......................................................................................... 13



           APPENDICES
           Appendix 1              Test Location Plan
           Appendix 2              Borehole Logs
           Appendix 3              Laboratory Testing




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