Appendix E_Geotechnical Investigation

                                            PROPOSED UNIT DEVELOPMENT
                                            PRECINCTS E2 & F, NOOSA SPRINGS



Table of Contents

1.0   INTRODUCTION........................................................................................................................................................ 1

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

      2.1         Precinct E2 ................................................................................................................................................... 1

      2.2         Precinct F ..................................................................................................................................................... 1

3.0   AIMS & METHOD OF INVESTIGATION ................................................................................................................... 2

      3.1         Review of Previous information .................................................................................................................... 2

      3.2         Fieldwork (2015) ........................................................................................................................................... 2

4.0   SITE DESCRIPTION.................................................................................................................................................. 2

5.0   SUBSURFACE INVESTIGATION FINDINGS ........................................................................................................... 7

      5.1         Regional Geology ......................................................................................................................................... 7

      5.2         Subsurface Conditions.................................................................................................................................. 7

6.0   SLOPE STABILITY ASSESSMENT.......................................................................................................................... 9

      6.1         Existing Conditions ....................................................................................................................................... 9

      6.2         Stability Assessment..................................................................................................................................... 9

      6.2.1            Qualitative Assessment........................................................................................................................... 9

      6.2.2            Quantitative Assessment ...................................................................................................................... 11

7.0   ENGINEERING ASSESSMENT .............................................................................................................................. 12

      7.1         Development Limitations ............................................................................................................................ 12

      7.2         Earthworks.................................................................................................................................................. 12

      7.2.1            Site Preparation and Trafficability ......................................................................................................... 12

      7.2.2            Excavations........................................................................................................................................... 12

      7.2.3            Filling..................................................................................................................................................... 13

      7.3         Building Foundations .................................................................................................................................. 13

      7.3.1            Indicative Site Classification.................................................................................................................. 13

      7.3.2            Footing Design...................................................................................................................................... 13

      7.4         Retaining Structures ................................................................................................................................... 14

      7.5         Drainage ..................................................................................................................................................... 15

8.0   LIMITATIONS .......................................................................................................................................................... 15




11 November 2015
Report No. 15193-002-Rev0                                                              iii