REPS - Updated SWMP

CONTENTS
1.   Introduction                                                     1
     1.1    Project Purpose and Scope                                 1
     1.2    Site Characteristics                                      1
     1.3    Project Data and Guidelines                               3
     1.4    Performance Criteria                                      3
     1.5    Previous Approval                                         3

2.   Information Request                                              4
3.   Stormwater Quality Management                                    6
     3.1    Overview                                                  6
     3.2    Operational Phase                                         6
     3.3    Model Development                                         6
            3.3.1      Catchments                                     6
            3.3.2      Climate Data                                   7
            3.3.3      Modelling Parameters                           7
     3.4    Treatment System                                          9
            3.4.1      Treatment Train Sizing                         9
     3.5    Water Quality Model Results                               10
     3.6    Treatment Train Operation and Maintenance                 11
            3.6.1      Construction & Establishment                   11

4.   Stormwater Quantity Management                                   12
     4.1    Existing Detention Basin                                  12
            4.1.1      Existing Scenario                              12
            4.1.2      Developed Scenario (unmitigated)               13
            4.1.3      Mitigation Scenario                            15
            4.1.4      Existing Detention Basin – Climate Change      16
     4.2    Townhouse Site                                            16
            4.2.1      Catchment                                      16
            4.2.1      Results                                        17
     4.3    Flows South to Starboard Avenue                           18

5.   Conclusion                                                       19
6.   QUALIFICATIONS                                                   20
Appendix A: Proposed Site Layout Plan                                 21
Appendix B: Preliminary Engineering Design Plans                      22
Appendix C: WBNM Results Summary                                      23




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