Reference Documents - RAL24/0015

        CONTENTS
        1.      Introduction                                                                                                                                                                                       1
                1.1        Project Scope                                                                                                                                                                           1
                1.2        Data, Supplied & Sourced Information                                                                                                                                                    1
                1.3        Guidelines, Design Standards and Reference Documents                                                                                                                                    1
                1.4        Site Location and Features                                                                                                                                                              1
                1.5        Flood Hazard Overlay                                                                                                                                                                    2

        2.      Modelling methodology                                                                                                                                                                              4
                2.1        Modelling Scenarios                                                                                                                                                                     5

        3.      Hydraulic Model Results                                                                                                                                                                            6
                3.1        Cut-down model results and validation                                                                                                                                                   6
                3.2        Flood Results                                                                                                                                                                           6
                3.3        Impact assessment                                                                                                                                                                       6

        4.      Conclusion                                                                                                                                                                                         7
        5.      Qualifications                                                                                                                                                                                     8

        Appendices
        Appendix A: Site Layout and Survey Plan                                                                                                                                                                    9
        Appendix B: TUFLOW Model Setup and Validation                                                                                                                                                            10
        Appendix C: Hydraulic Model Results                                                                                                                                                                      11



        Tables
        Table 2.1: Key Modelling Parameters .................................................................................................................................................................. 4
        Table 3.1: Estimated Flood Elevations ................................................................................................................................................................. 6
        Table 3.2: Flood Impact Objectives ...................................................................................................................................................................... 6




        Figures
        Figure 1.1: Site Location and Aerial Imagery ....................................................................................................................................................... 2
        Figure 1.2: Flood Hazard Overlay ......................................................................................................................................................................... 3
        Figure 2.1: Existing Site Conditions ...................................................................................................................................................................... 5
        Figure 2.2: Proposed Site Conditions – Reinstating to Pre-Existing ..................................................................................................................... 5




Document21SetWARD   STREET, TEWANTIN I BNE00529_0001-REP-001-0
               ID: 23148188                                                                                                                                                                                       iii
Version: 1, Version Date: 30/07/2024