20220218 22 Grant SWMP · MCU22/0172

Contents
Introduction..........................................................................................................................................4
Site Details ...........................................................................................................................................5
          2.1. Existing Site Description & Drainage .................................................................................................. 5
          2.2. Existing Drainage Patterns .................................................................................................................. 5
          2.3. Proposed Development Drainage Pattern ......................................................................................... 5
          2.4. Flood Considerations ........................................................................................................................... 6

Stormwater Quantity ............................................................................................................................7
          3.1. Pre-Post Comparison .......................................................................................................................... 7

Stormwater Quality ..............................................................................................................................9
          4.1. Construction Phase .............................................................................................................................. 9
          4.2. Operational Phase ............................................................................................................................ 10

Conclusion ........................................................................................................................................ 11




Appendices
Appendix A
          Proposed Development Concept Plans

Appendix B
          DRAINS Modelling Parameters and Results




Project number 20220218
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