Reference Document - Geotech Report - MCU24 0094 · MCU24/0094

                                            PROPOSED RESIDENCE
                                            33 ROSS CRESCENT, SUNSHINE BEACH

Table of Contents
1.0   INTRODUCTION ........................................................................................................................................................ 1

2.0   PROPOSED DEVELOPMENT ................................................................................................................................... 1

3.0   METHOD OF INVESTIGATION ................................................................................................................................. 3

      3.1         Fieldwork ...................................................................................................................................................... 3

      3.2         Geotechnical Laboratory Testing .................................................................................................................. 3

4.0   RESULTS OF INVESTIGATION ................................................................................................................................ 4

      4.1         Site Description............................................................................................................................................. 4

      4.2         Topography................................................................................................................................................... 6

      4.3         Geology ........................................................................................................................................................ 7

      4.4         Subsurface Conditions.................................................................................................................................. 8

      4.5         Groundwater ................................................................................................................................................. 8

      4.6         Geotechnical Laboratory Test Results .......................................................................................................... 8

      4.7         Surface Drainage .......................................................................................................................................... 8

5.0   SLOPE STABILITY ASSESSMENT .......................................................................................................................... 9

      5.1         Existing Conditions ....................................................................................................................................... 9

      5.2         Stability Assessment..................................................................................................................................... 9

      5.2.1            Quantitative Assessment ...................................................................................................................... 11

6.0   GEOTECHNICAL RECOMMENDATIONS .............................................................................................................. 13

      6.1         Earthworks .................................................................................................................................................. 14

      6.1.1            Site Preparation and Trafficability ......................................................................................................... 14

      6.1.2            Excavations ........................................................................................................................................... 14

      6.1.3            Filling..................................................................................................................................................... 15

      6.2         Building Foundations .................................................................................................................................. 15

      6.2.1            Indicative Site Classification.................................................................................................................. 15

      6.2.2            Footing Design ...................................................................................................................................... 16

      6.3         Temporary and Permanent Retention......................................................................................................... 17

      6.4         Drainage ..................................................................................................................................................... 18

7.0   CONCLUSION ......................................................................................................................................................... 19

8.0   LIMITATIONS .......................................................................................................................................................... 19




18 June 2024
Report No. 24096-001-Rev0                                                              iii