RFI - PA2906-Coastal Hazard Assessment-R2 · MCU21/0212

                                          Internal use only




Contents
1           Introduction                                                                            5

2           Site Description                                                                        6
2.1         Development Proposal                                                                     6
2.2         Site Inspection                                                                          7
2.3         Geotechnical Investigations                                                              7
2.4         Survey                                                                                   7

3           Historical Aerial Photograph Analysis                                                   8
3.1         Satellite Imagery                                                                       12

4           Queensland Planning Framework                                                           16
4.1         Planning Act 2016                                                                       16
4.2         Coastal Management Mapping                                                              16

5           Coastal Processes                                                                       19
5.1         Tides and Storm Tide                                                                    19
5.1.1       Astronomical Tides                                                                      19
5.1.2       Sea Level Rise                                                                          19
5.1.3       Storm Tide                                                                              20
5.2         Wave Climate                                                                            20
5.3         Sediment Transport                                                                      22

6           Erosion Prone Area                                                                      23
6.1         Erosion Prone Area Reassessment                                                         23
6.1.1       Long-term Erosion (N x R)                                                               24
6.1.2       Short-term Erosion (C)                                                                  24
6.1.3       Recession due to Sea Level Rise                                                         29
6.1.4       Dune Scarp Component                                                                    30
6.1.5       Summary of the Erosion Prone Area Reassessment                                          30

7           Coastal Building Line                                                                   32

8           Conclusion                                                                              33

9           References                                                                              34


Table of Tables
Table 1 Noosa Head Tidal Planes (Maritime Safety Queensland, 2021)                                  19
Table 2 Adopted Storm Tide Levels (excluding wave setup) for Sunshine Beach (Aurecon, 2013)         20

15 October 2021      66 SEAVIEW TERRACE, SUNSHINE BEACH        PA2906-RHD-ZZ-XX-RP-Z-0001     iii