Attachment 7 - Flood Impact Assessment - Covey · 132005.638.06

         LIST OF FIGURES


         Figure 2-1 – Site Locality (Image Courtesy of Nearmap) ........................................................................ 4
         Figure 2-2 – Proposed Development Masterplan ................................................................................... 5
         Figure 2-3 – Development Site Topography with Surrounding 0.5m Existing Contours ........................ 6
         Figure 3-1 – Model Extent with 1 meter Contours ................................................................................. 8
         Figure 3-2 – Existing Site Topography with 0.5m Contours .................................................................. 10
         Figure 3-3 – Hydraulic Structures Locations - North ............................................................................. 12
         Figure 3-4 – Hydraulic Structures Locations - South ............................................................................. 12
         Figure 3-5 – Water Surface Levels Locations with the 1%AEP CC WSL Extent ..................................... 16
         Figure 3-6 – Offsite Impacts Reporting Locations ................................................................................. 17


         LIST OF TABLES

         Table 2-1 - Development Staging ............................................................................................................ 6
         Table 3-1 - Areal Reduction Factors ........................................................................................................ 9
         Table 3-2 - Existing Hydraulic Structures .............................................................................................. 13
         Table 3-3 - Developed Hydraulic Structures ......................................................................................... 14
         Table 3-4 - Water Surface Levels for Design Events ............................................................................. 16
         Table 3-5 - Peak Afflux for all Stages and Design Events ...................................................................... 17




          List of Appendices

          Appendix A                       SITE PLANS

          Appendix B                       MANNING`S N ROUGHNESS COEFFICIENT MAPS

          Appendix C                       FLOOD MAPS




Flood Impact Assessment                                                                                                                         Page 3 of 25
Project No 244035| Ref No M25-0479Rpt – Issue A – January 2026