Attachment D amended SWMP

                                             Table of Contents
1      Introduction ......................................................................................................5
       1.1          Background ........................................................................................5
2      Scope ..............................................................................................................5
3      Criteria .............................................................................................................5
4      Site Characteristics ..........................................................................................6
       4.1          Location and Description ....................................................................6
       4.2          Watercourses and Topography ..........................................................7
       4.3          Existing Land Use and Proposed Development .................................7
       4.4          Existing Stormwater Infrastructure and Lawful Points of Discharge ....7
       4.5          Lawful Points of Discharge .................................................................7
5      Stormwater Management (Quantity) ................................................................8
       5.1          Hydrological Modelling .......................................................................8
       5.2          Catchment Summary .........................................................................8
       5.3          Rational Method Peak Flow Comparison ...........................................9
       5.4          Pre- and Post-Development Design Flow Rates (unmitigated) ...........9
       5.5          Proposed Design..............................................................................10
6      Stormwater Management (Quality) ................................................................12
       6.1          Water Quality Objectives ..................................................................12
       6.2          Operational Phase Management ......................................................13
       6.3          Construction Phase Management ....................................................17
7      Engineering Codes (Noosa Shire Council) .....................................................19
       7.1          Water Quality and Drainage Code ....................................................19
8      Conclusion .....................................................................................................20




BR210522_SBSMP_Rev5.docx                                                                                                         Page 3 of 25