geotech report · 132003.220660.5

                                         Table of Contents
1   INTRODUCTION                                             1
2   DETAILS OF THE SITE AND THE PROPOSED DEVELOPMENT         1
3   ASSESSMENT PROCEDURE                                     2
4   DESCRIPTION OF EXISTING CONDITIONS                       3
    4.1      Geology                                          3
    4.2      Subsurface Conditions                            4
    4.3      Summary of Observations                          4
             4.3.1 Topography                                 5
             4.3.2 Groundwater and Surface Drainage           6
             4.3.3 Vegetation                                 7
             4.3.4 Buildings and Other Structures             7
5   GEOTECHNICAL STABILITY ASSESSMENT                        8
    5.1      Existing Conditions                              8
    5.2      Risk Assessment                                  9
             5.2.1 Potential Geotechnical Hazards             9
             5.2.2 Risk Analysis                             10
             5.2.3 Additional Comments                       10
             5.2.4 Geotechnical Constraints to Development   11
6   COMMENTS AND RECOMMENDATIONS                             11
    6.1      Site Layout and Development Details             11
    6.2      Site Classification                             11
    6.3      Demolition and Excavation                       11
             6.3.1 Dilapidation Survey                       11
             6.3.2 Demolition and Excavation Methods         11
             6.3.3 Groundwater Seepage                       13
    6.4      Temporary Excavation Support and Retention      13
    6.5      Retention Design Parameters                     14
    6.6      Retaining Walls Supporting Engineered Fill      15
    6.7      Footing Design                                  16
    6.8      Floor Slabs                                     17
    6.9      Earthworks                                      17


32032URrpt                                       iii