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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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Log in to see the plans as drawnSource Node Input
Sub-Catchment Area (ha) Impervious Percent Pervious Percent Surface Type
A1 Road 0.265 80 20 Urban_Road
A1 Roof 0.495 100 0 Urban_Roof
A1 Ground 0.225 50 50 Urban_Ground
A2 Road 0.300 80 20 Urban_Road
A2 Roof 0.641 100 0 Urban_Roof
A2 Ground 0.421 50 50 Urban_Ground
A2 Park 0.146 0 100 Urban_Ground
EXT B1 Road 0.372 100 0 Urban_Road
EXT B1 Ground 1.760 0 100 Urban_Ground
B2 Road 0.648 80 20 Urban_Road
B2 Roof 1.011 100 0 Urban_Roof
B2 Ground 0.724 50 50 Urban_Ground
B3 Road 0.594 80 20 Urban_Road
B3 Roof 0.925 100 0 Urban_Roof
B3 Ground 0.541 50 50 Urban_Ground
B4 Roof 0.300 100 0 Commercial_Roof
B4 Ground 0.100 50 50 Commercial_Ground
B4 Park 0.649 10 90 Urban_Ground
EXT C1 Road 0.342 80 20 Urban_Road
EXT C1 Ground 0.975 20 80 Urban_Ground
C2 Road 0.308 80 20 Commercial_Road
C2 Roof 1.065 100 0 Commercial_Roof
C2 Ground 0.651 50 50 Commercial_Ground
C3 Road 0.750 80 20 Urban_Road
C3 Roof 1.398 100 0 Urban_Roof
C3 Ground 0.781 50 50 Urban_Ground
D2 Road 0.249 80 20 Urban_Road
D2 Roof 0.369 100 0 Urban_Roof
D2 Ground 0.433 50 50 Urban_Ground
D2 Car Park 0.200 100 0 Urban_Road
D3 ROAD 0.174 80 20 Urban_Road
D3 ROOF 0.291 100 0 Urban_Roof
D3 GROUND 0.090 50 50 Urban_Ground
D3 GROUND BYPASS 0.026 0 100 Urban_Ground
Total 18.217 - - -
Results
Source Residual Reduction
Flow (ML/yr) 214 211 1.2
Total Suspended Solids (kg/yr) 36300 7780 78.6
Total Phosphorus (kg/yr) 76.8 23.4 69.6
Total Nitrogen (kg/yr) 480 239 50.2
Gross Pollutants (kg/yr) 4620 249 94.6
[OCR of page images]
ce Node Input
Sub-Catchment Area (ha) Impervious Percent Pervious Percent Surface Type
A1 Road 0.265 80 20 Urban_Road
Al Roof 0.495 100 0 Urban_Roof
Al Ground 0.225 50 50 Urban_Ground
A2 Road 0.300 80 20 Urban_Road
A2 Roof 0.641 100 0 Urban_Roof
A2 Ground 0.421 50 50 Urban_Ground
A2 Park 0.146 0 100 Urban_Ground
EXT B1 Road 0.372 100 0 Urban_Road
EXT B1 Ground 1.760 0 100 Urban_Ground
B2 Road 0.648 80 20 Urban_Road
B2 Roof 1.011 100 0 Urban_Roof
B2 Ground 0.724 50 50 Urban_Ground
B3 Road 0.594 80 20 Urban_Road
B3 Roof 0.925 100 0 Urban_Roof
B3 Ground 0.541 50 50 Urban_Ground
B4 Roof 0.300 100 0 Commercial_Roof
B4 Ground 0.100 50 50 Commercial_Ground
B4 Park 0.649 10 90 Urban_Ground
EXT C1 Road 0.342 80 20 Urban_Road
EXT C1 Ground 0.975 20 80 Urban_Ground
C2 Road 0.308 80 20 Commercial_Road
C2 Roof 1.065 100 0 Commercial_Roof
C2 Ground 0.651 50 50 Commercial_Ground
C3 Road 0.750 80 20 Urban_Road
C3 Roof 1.398 100 0 Urban_Roof
C3 Ground 0.781 50 50 Urban_Ground
D2 Road 0.249 80 20 Urban_Road
D2 Roof 0.369 100 0 Urban_Roof
D2 Ground 0.433 50 50 Urban_Ground
D2 Car Park 0.200 100 0 Urban_Road
D3 ROAD 0.174 80 20 Urban_Road
D3 ROOF 0.291 100 0 Urban_Roof
D3 GROUND 0.090 50 50 Urban_Ground
D3 GROUND BYPASS 0.026 0 100 Urban_Ground
Total 18.217 a a S
Residual Reduction
Flow (ML/yr)
Total Suspended Solids (
Total Phosphorus (kg/yr)
Total Nitrogen r
Gross Pollutants (kg/yr.
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