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LATE RFI Attachment 6 - Stormwater Management Plan
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Log in to see the plans as drawnCONTENTS
1. PROPOSAL OVERVIEW ...................................................................................... 3
2. EXISTING SITE CONDITIONS ............................................................................. 4
3. EXISTING LOCAL AREA DRAINAGE PATTERNS ............................................... 5
4. STORMWATER MANAGAMENT ........................................................................ 6
4.1. Pre/Post Developed Site Run-Off Co-Efficients .................................. 6
4.2. Roof Stormwater Harvesting ................................................................ 7
4.3. Overall Developed Site Music Model ................................................... 9
4.4. Site WSUD Treatment Measures.........................................................10
4.4.1. SPELBasin .......................................................................................11
4.4.2. SPEL Hydrochannel ....................................................................... 12
4.4.3. SPEL Stormsack ..............................................................................13
5. WASTE WATER MANAGEMENT SYSTEM .......................................................14
5.1. Existing Site Conditions ........................................................................ 14
5.2. Car Wash Waste Water Treatment System .......................................... 15
5.3. Car Wash Water Use Model ................................................................... 16
5.4. Expected Car Wash Site Patronage And Sewer Discharge ................13
5.5. Estimated Annual Site Patronage ........................................................16
5.6. Annual Mains Water Usage & Sewer Discharge With/Without
Recycling Compared. ......................................................................................16
6. CAR WASH STORMWATER POLLUTION CALCULATOR...........................................18
7. CONCLUSION ................................................................................................... 21
APPENDIX A: SPEL Stormsack
APPENDIX B: SPELBasin
APPENDIX C: SPEL Hydrochannel
APPENDIX D: Car Wash Recycle Unit
APPENDIX E: Australian Car Wash Association-
Stormwater Statement/Environmental Policy
-2- TMC Building Design Group
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