18164 - SBSMP - Rev 0

                                                                                             18164 - SBSMP/0
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                                           Table of Contents
1     INTRODUCTION ........................................................................................... 3
2     EXISTING SITE............................................................................................. 4
  2.1    The Site ............................................................................................... 4
  2.2    Surrounding Area ..................................................................................... 4
3     PROPOSED DEVELOPMENT .............................................................................. 5
4     EXISTING DRAINAGE PATTERNS ........................................................................ 6
  4.1    Existing Infrastructure .............................................................................. 6
  4.2    Existing Drainage Patterns .......................................................................... 7
  4.3    Lawful Point of Discharge........................................................................... 7
5     STORMWATER QUANTITY................................................................................ 8
  5.1    Detention Assessment ............................................................................... 8
  5.2    Proposed Drainage Patterns ........................................................................ 8
6     STORMWATER QUALITY ................................................................................. 9
  6.1    State Planning Policy Assessment ................................................................. 9
  6.2    Construction Phase .................................................................................. 9
  6.3    Operational Phase .................................................................................. 11
    6.3.1     Sources of Contaminants ..................................................................... 11
    6.3.2     Proposed Treatment Train ................................................................... 11
    6.3.3     Pollutant Export Modelling ................................................................... 12
    6.3.4     MUSIC Modelling Parameters ................................................................. 12
    6.3.5     MUSIC Modelling Results ...................................................................... 13
7     CONCLUSION ............................................................................................. 15
Appendix A DETAILED SITE SURVEY PLAN ................................................................. 16
Appendix B PROPOSED SUBDIVISION AND DEVELOPMENT PLANS ...................................... 17
Appendix C DBYD PLANS .................................................................................... 18
Appendix D SITEWORKS AND DRAINAGE PLANS........................................................... 19
Appendix E BIO-RETENTION OPERATIONAL MANAGEMENT AND MAINTENANCE GUIDELINES ....... 20
Appendix F BIO-RETENTION BASIN DESIGN CHECKLIST AND CALCULATIONS ......................... 21




Site Based Stormwater Management Plan
Reconfiguration of a Lot and Mixed Use Development at 215 David Low Way, Peregian Beach