Approved Document MCU22-0144 & OPW22-0207 · MCU22/0144

Contents
Introduction..........................................................................................................................................5
Site Details ...........................................................................................................................................6
          2.1. Existing Site Description & Drainage .................................................................................................. 6
          2.2. Existing Drainage Patterns .................................................................................................................. 6
          2.3. Proposed Development Drainage Pattern ......................................................................................... 7
          2.4. Flood Considerations ........................................................................................................................... 8

Stormwater Quantity ............................................................................................................................9
          3.1. Pre-Post Comparison .......................................................................................................................... 9
          3.1. Stormwater Harvesting ..................................................................................................................... 11

Stormwater Quality ........................................................................................................................... 12
          4.1. Construction Phase ........................................................................................................................... 12
          4.2. Operational Phase ............................................................................................................................ 13

Conclusion ........................................................................................................................................ 20




Appendices
Appendix A
          Proposed Development Concept Plans

Appendix B
          DRAINS Modelling Parameters and Results

Appendix C
          Soil Borehole Data & Permeability Calculations

Appendix D
          Ecosol Litter Basket Technical Specifications

Appendix E
          Bioretention Garden Inspection Checklist




Project number 20220156
File RECOR Stormwater Management Report - 20220156.docx, 2023-01-13 Revision 2
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