H - Revised Integrated Water Management Plan by Cardno (inc MUSIC file) (13.09.19)

                                                                               Integrated Water Management Plan
                                                                       Noosa Marketplace : 2-20 HOFMANN DRIVE




Table of Contents
       1          Introduction                                                                               3
       2          Request for Information                                                                    4
                  2.1        Background                                                                      4
                  2.2        Information Required                                                            4
       3          Site Description and Proposed Development                                                  8
                  3.1        Site Description                                                                8
                  3.2        Land Encumbrances                                                               8
                  3.3        Proposed Development                                                            8
                  3.4        Lawful Points of Discharge                                                      8
       4          Hydrology                                                                                 10
                  4.1        Background                                                                     10
                  4.2        Model Setup                                                                    10
       5          Stormwater Quantity Management                                                            13
                  5.1        Background                                                                     13
                  5.2        Model Setup                                                                    13
                  5.3        Model Results                                                                  15
       6          Stormwater Quality Management                                                             16
                  6.1        Stormwater Quality Objectives                                                  16
                  6.2        Proposed Stormwater Quality Treatment                                          17
                  6.3        MUSIC Model Results                                                            22
                  6.4        Construction Phase Water Quality Management                                    22
                  6.5        Maintenance                                                                    22
       7          Hydraulic Analysis                                                                        23
                  7.1        Introduction                                                                   23
                  7.2        Model Setup                                                                    23
                  7.3        Modelled Events                                                                24
                  7.4        Results                                                                        24
                  7.5        Severe Storm Impact Assessment                                                 34
       8          Conclusions                                                                               36

Appendices
Appendix A – Development Layout
Appendix B – TUFLOW Layout
Appendix C - Flooding Results
Appendix D – Treatment Devices




V190428 | 10 September 2019 | Commercial in Confidence                                                       1