Appendix E - Geotechnical Report

                                            PROPOSED RECONFIGURATION OF A LOT
                                            216 BLACK MOUNTAIN ROAD, BLACK MOUNTAIN



Table of Contents

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

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

3.0   SITE DESCRIPTION .................................................................................................................................................. 2

4.0   METHOD OF INVESTIGATION ................................................................................................................................. 4

      4.1         Fieldwork ...................................................................................................................................................... 4

      4.2         Laboratory Testing ........................................................................................................................................ 4

5.0   INVESTIGATION FINDINGS ..................................................................................................................................... 5

      5.1         Geology ........................................................................................................................................................ 5

      5.2         Subsurface Conditions.................................................................................................................................. 5

      5.3         Laboratory Testing ........................................................................................................................................ 6

6.0   SLOPE STABILITY ASSESSMENT .......................................................................................................................... 6

      6.1.1            Existing Conditions.................................................................................................................................. 6

      6.1.2            Qualitative Stability Assessment ............................................................................................................. 7

      6.1.3            Quantitative Stability Assessment ........................................................................................................... 8

7.0   ENGINEERING ASSESSMENT ................................................................................................................................ 9

      7.1         Earthworks .................................................................................................................................................... 9

      7.1.1            Site Preparation and Trafficability ........................................................................................................... 9

      7.1.2            Excavations ............................................................................................................................................. 9

      7.1.3            Batter Slopes .......................................................................................................................................... 9

      7.1.4            Filling..................................................................................................................................................... 10

      7.1.5            Material Suitability for Re-Use ............................................................................................................... 10

      7.2         Building Foundations .................................................................................................................................. 10

      7.2.1            Site Classification .................................................................................................................................. 10

      7.2.2            Footing Design ...................................................................................................................................... 10

      7.3         Retaining Structures ................................................................................................................................... 11

      7.4         Pavement Design Parameters .................................................................................................................... 11

      7.5         Drainage ..................................................................................................................................................... 12

8.0   WASTEWATER TREATMENT AND DISPOSAL .................................................................................................... 12

      8.1         Wastewater Flow Design Allowance ........................................................................................................... 12

      8.2         Terrain-Soil Assessment............................................................................................................................. 12



19 June 2018
Report No. 18127-001-Rev0                                                              iii