Stormwater management plan 20220156 9 Kauri St SWMP

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 ......................................................................................... 6
          2.4. Flood Considerations ........................................................................................................................... 7

Stormwater Quantity ....................................................................................................................... 8
          3.1. Pre-Post Comparison........................................................................................................................... 8

Stormwater Quality........................................................................................................................11
          4.1. Construction Phase............................................................................................................................11
          4.2. Operational Phase .............................................................................................................................12

Conclusion....................................................................................................................................18




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, 2022-08-08 Revision 0
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