Appendix B - Geotechnical Investigation Report

                                       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                     2
    4.1   Geology                                           2
    4.2   Subsurface Conditions                             3
    4.3   Summary of Observations                           3
          4.3.1 Topography                                  3
          4.3.2 Groundwater and Surface Drainage            4
          4.3.3 Vegetation                                  4
          4.3.4 Buildings and Other Structures              5

5   GEOTECHNICAL STABILITY ASSESSMENT                      5
    5.1   Existing Conditions                               5
    5.2   Risk Assessment                                   6
          5.2.1 Potential Geotechnical Hazards              6
          5.2.2 Risk Analysis                               7
          5.2.3 Additional Comments                         7
    5.3   Geotechnical Constraints to Development           7

6   COMMENTS AND RECOMMENDATIONS                           8
    6.1   Site Layout and Development Details               8
    6.2   Site Classification                               8
    6.3   Demolition and Excavation                         8
          6.3.1 Dilapidation Surveys                        8
          6.3.2 Demolition and Excavation Methods           8
          6.3.3 Seepage                                     9
    6.4   Temporary Excavation Support and Retention        9
    6.5   Retention Design Parameters                      10
    6.6   Footing Design                                   10
    6.7   Floor Slabs                                      12
    6.8   Earthworks                                       12
          6.8.1 Subgrade Preparation                       13


35891URrpt Rev1                              iii