PA2906-Coastal Hazard Assessment-R3 · 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

03 June 2022            66 SEAVIEW TERRACE, SUNSHINE BEACH       PA2906-RHD-ZZ-XX-RP-Z-0001   iii