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Appendix E - Stormwater Management Plan
Attached to the e-mail Multiple Housing – Type 3 Retirement & Special Needs (10 units) - MCU17/0551.
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Table 1-1: Approved Bioretention Basin Sizing ........................................................................ 1
Table 1-2: Summary of Responses to Approval Conditions Relating to Stormwater
Management ........................................................................................................ 3
Table 3-1: Existing Scenario Catchment Details ................................................................... 7
Table 3-2: XP-RAFTS Calibration Parameter Summary ....................................................... 8
Table 3-3: Existing Peak Flow Results .................................................................................. 8
Table 3-4: Existing Peak Flow Comparison at Discharge Location B ................................... 9
Table 3-5: Developed Mitigated Scenario Catchment Details ............................................... 9
Table 3-6: Stormwater Detention Basin Concept Details .................................................... 11
Table 3-7: Northern Basin Stage Storage Discharge Relationship ..................................... 11
Table 3-8: Central Basin Stage Storage Discharge Relationship ........................................ 12
Table 3-9: Developed Mitigated Scenario Peak Flow Comparison ..................................... 12
Table 3-10: Developed Mitigated Scenario Basin Water Surface Levels .............................. 13
Table 3-11: Extreme Storm Event Weir Assessment ............................................................ 13
Table 4-1: Load Reduction Water Quality Objectives .......................................................... 15
Table 4-2: Bioretention Basin Modelled Parameters ........................................................... 19
Table 4-3: Generic Node Treatment Removal Efficiency (Aged Care Facility) ................... 20
Table 4-4: Pond Node Configuration ................................................................................... 20
Table 4-5: 20th Percentile Hydraulic Residence Time Results (Simplistic Approach).......... 21
Table 4-6: MUSIC Modelling Results .................................................................................. 21
FIGURES
Figure 2-1: Approximate Location of Site (Source: UBD 2006) .............................................. 5
APPENDICES
APPENDIX A CONCEPT MASTERPLAN LAYOUT
APPENDIX B RATIONAL METHOD CALCULATION
APPENDIX C DETENTION BASIN CALCULATIONS
APPENDIX D XP-RAFTS LAYOUT SUMMARY
APPENDIX E STORMWATER DESIGN CALCULATIONS
APPENDIX F MUSIC MODELLING DETAILS
APPENDIX G CONCEPT DRAWINGS
APPENDIX H OPERATIONAL WORKS DRAWINGS
APPENDIX I COUNCIL CORRESPONDENCE
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