14169-001-Rev0 17 Webb Rd -Revised Draft · 132002.220527.1

                                             17 WEBB ROAD, SUNSHINE BEACH
                                             PROPOSED RESIDENCE



Table of Contents

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

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

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

      3.1         Fieldwork ...................................................................................................................................................... 2

      3.2         Laboratory Testing........................................................................................................................................ 2

4.0   THE SITE ................................................................................................................................................................... 2

5.0   SUBSURFACE INVESTIGATION FINDINGS ........................................................................................................... 6

      5.1         Regional Geology ......................................................................................................................................... 6

      5.2         Subsurface Conditions.................................................................................................................................. 6

      5.3         Laboratory Test Results................................................................................................................................ 7

6.0                                                               T
      SLOPE STABILITY ASSESSMENT.......................................................................................................................... 7

      6.1         Existing Conditions ....................................................................................................................................... 7
                                                               AF
      6.2         Stability Assessment..................................................................................................................................... 8

      6.2.1             Qualitative Assessment........................................................................................................................... 8

      6.2.2             Quantitative Assessment ........................................................................................................................ 9
                                                 R

7.0   ENGINEERING ASSESSMENT .............................................................................................................................. 11

      7.1         Earthworks.................................................................................................................................................. 11
                                   D


      7.1.1             Site Preparation and Trafficability ......................................................................................................... 11

      7.1.2             Excavations........................................................................................................................................... 11

      7.1.3             Filling..................................................................................................................................................... 11

      7.2         Building Foundations .................................................................................................................................. 12

      7.2.1             Site Classification.................................................................................................................................. 12

      7.2.2             Footing Design...................................................................................................................................... 12

      7.3         Retaining Structures ................................................................................................................................... 13

      7.4         Permanent Drainage................................................................................................................................... 13

8.0   LIMITATIONS .......................................................................................................................................................... 13




26 February 2015
Report No. 14169-001-Rev0                                                               iii