Reference document Geotech Investigation · MCU22/0087.01

                                                         PROPOSED UNIT DEVELOPMENT
                                                         37 BOTTLEBRUSH AVENUE, NOOSA HEADS

            Table of Contents
            1.0    INTRODUCTION ........................................................................................................................................................ 1

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

            3.0    METHOD OF INVESTIGATION ................................................................................................................................. 2

            4.0    RESULTS OF INVESTIGATION ................................................................................................................................ 2

                   4.1         Site Description............................................................................................................................................. 2

                   4.2         Topography................................................................................................................................................... 4

                   4.3         Geology ........................................................................................................................................................ 5

                   4.4         Subsurface Conditions.................................................................................................................................. 5

                   4.5         Groundwater ................................................................................................................................................. 6

                   4.6         Surface Drainage .......................................................................................................................................... 6

            5.0    SLOPE STABILITY ASSESSMENT .......................................................................................................................... 7

                   5.1         Existing Conditions ....................................................................................................................................... 7

                   5.2         Stability Assessment..................................................................................................................................... 7

                   5.2.1            Quantitative Assessment ........................................................................................................................ 8

            6.0    GEOTECHNICAL RECOMMENDATIONS .............................................................................................................. 10

                   6.1         Development Limitations ............................................................................................................................ 10

                   6.2         Earthworks – General ................................................................................................................................. 10

                   6.2.1            Site Preparation and Trafficability ......................................................................................................... 10

                   6.2.2            Excavations ........................................................................................................................................... 10

                   6.2.3            Filling..................................................................................................................................................... 11

                   6.3         Building Foundations .................................................................................................................................. 12

                   6.3.1            Indicative Site Classification.................................................................................................................. 12

                   6.3.2            Footing Design ...................................................................................................................................... 12

                   6.4         Temporary and Permanent Retention......................................................................................................... 13

                   6.5         Drainage ..................................................................................................................................................... 14

            7.0    SUMMARY & CONCLUSIONS................................................................................................................................ 15

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




             13 May 2022
             Report No. 22151-001-Rev0                                                              iii
Document Set ID: 22198682
Version: 1, Version Date: 05/12/2022