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

                                        Internal use only




Table 3 Summary of Long-Term Recession Results from BMT (2018)                                          24
Table 4 Design Storm Events for Short-term Beach Erosion Assessment                                     26
Table 5 Predicted Short-term Erosion - Sunshine Beach                                                   28
Table 6 Summary of Shoreline Recession due to Sea Level Rise                                            29
Table 7 Reassessed Erosion Prone Area for 66 Seaview Terrace, Sunshine Beach                            30



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: DEA recession analysis near the site.                                                         13
Figure 10 DEA Annual Coastlines near the site.                                                          14
Figure 11: CoastSat shoreline position timeseries approximately 60m north of the site.                  15
Figure 12 Coastal Management District (source: SARA DA Mapping System)                                  17
Figure 13 Erosion Prone Area (source: SARA DA Mapping System)                                           17
Figure 14 Coastal Building Line (source: SARA DA Mapping System)                                        18
Figure 15 Wave Rose for Sunshine Beach (BMT, 2013)                                                      21
Figure 16 Offshore Significant Wave Height Design Curves (BMT, 2013)                                    21
Figure 17 Sketch of pre-storm and predicted post-storm profiles based on Vellinga (1983)                25
Figure 18 100-year ARI storm profile (Vellinga, 1983) at 66 Seaview Terrace for current climate         27
Figure 19 Extreme storm event profile (Vellinga, 1983) at 66 Seaview Terrace for current climate        28
Figure 20 Conceptualisation of recession due to sea level rise due to Bruun Rule (Bruun, 1962)          29
Figure 21 Extent of the reassessed erosion prone area                                                   31



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