PA2906-Coastal Hazard Assessment-R1 · MCU21/0212

                                        Internal use only




Table 4 Design Storm Events for Short-term Beach Erosion Assessment                                     23
Table 5 Predicted Short-term Erosion - Sunshine Beach                                                   25
Table 6 Summary of Shoreline Recession due to Sea Level Rise                                            26
Table 7 Reassessed Erosion Prone Area for 66 Seaview Terrace, Sunshine Beach                            27



Table of Figures
Figure 1 Site Location                                                                                   6
Figure 2 1972 Aerial Photograph (qimagery.information.qld.gov.au)                                        8
Figure 3 1974 Aerial Photograph (qimagery.information.qld.gov.au)                                        9
Figure 4 1981 Aerial Photograph (qimagery.information.qld.gov.au)                                        9
Figure 5 1988 Aerial Photograph (qimagery.information.qld.gov.au)                                       10
Figure 6 1994 Aerial Photograph (qimagery.information.qld.gov.au)                                       10
Figure 7 1999 Aerial Photograph (qimagery.information.qld.gov.au)                                       11
Figure 8 2004 Aerial Photograph (qimagery.information.qld.gov.au)                                       11
Figure 9 Shoreline Position from Digital Earth Australia Coastline (Geoscience Australia)               12
Figure 10 Coastal Management District (source: SARA DA Mapping System)                                  14
Figure 11 Erosion Prone Area (source: SARA DA Mapping System)                                           14
Figure 12 Coastal Building Line (source: SARA DA Mapping System)                                        15
Figure 13 Wave Rose for Sunshine Beach (BMT, 2013)                                                      18
Figure 14 Offshore Significant Wave Height Design Curves (BMT, 2013)                                    18
Figure 15 Sketch of pre-storm and predicted post-storm profiles based on Vellinga (1983)                22
Figure 16 100-year ARI storm profile (Vellinga, 1983) at 66 Seaview Terrace for current climate         24
Figure 17 Extreme storm event profile (Vellinga, 1983) at 66 Seaview Terrace for current climate        25
Figure 18 Conceptualisation of recession due to sea level rise due to Bruun Rule (Bruun, 1962)          26
Figure 19 Extent of the reassessed erosion prone area                                                   28



Appendices
Appendix A: Development Proposal
Appendix B: Erosion Prone Area Plans
Appendix C: Site Survey by Minstaff Survey Pty Ltd




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