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Stormwater Treatment & Water Quality Management Plan_April2014
Attached to the e-mail REC13/0146 - Response to Information Request - Email 2.
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Log in to see the plans as drawnSource nodes Road Lotito4- Lotito4- LotSto16- Lot5to16- Roadways- Lot 20 to25- Lot 20 to25 - Location reserve Roof Area Yard Yard Roof Area Masonry St Roof Area Yard ID 1 2 3 6 7 8 9 10 UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource Node Type Node Node Node Node Node Node Node Node Total Area (ha) 0.051 0.08 0.107 0.717 0.3 0.185 0.15 0.275 Area Impervious (ha) 0.03063777 0.07991325 0.02170976 0.1454757 0.2996747 0.111137 0.14983735 0.05579612 Area Pervious (ha) 0.02036223 —8.67E-05 0.08529024 0.5715243 0.0003253 0.073863 :0.00016265 0.21920388 Field Capacity (mm) 200 200 200 200 200 200 200 200 Pervious Area Infiltration Capacity coefficient - a ait att ait ait att ait ait att Pervious Area Infiltration Capacity exponent - b 5 5 5 5 5 5 5 5 Impervious Area Rainfall Threshold (mm/day) 1 1 1 1 1 1 1 1 Pervious Area Soil Storage Capacity (mm) 500 500 500 500 500 500 500 500 Pervious Area Soil Initial Storage (% of Capacity) 10 10 10 10 10 10 10 10 Groundwater Initial Depth (mm) 50 50 50 50 50 50 50 50 Groundwater Daily Recharge Rate (%) 28 28 28 28 28 28 28 28 Groundwater Daily Baseflow Rate (%) 27 27 27 27 27 27 27 27 Groundwater Daily Deep Seepage Rate (%) 0 0 0 0 0 0 0 0 Stormflow Total Suspended Solids Mean (log mg/L) 2.43 1.3 2.18 2.18 1.3 2.43 13 2.18 Stormflow Total Suspended Solids Standard Deviation (log mg/L 0.39 0.39 0.39 0.39 0.39 0.39 0.39 0.39 Stormflow Total Suspended Solids Estimation Method Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic _—_ Stochastic Stormflow Total Suspended Solids Serial Correlation 0 0 0 0 0 0 0 0 Stormflow Total Phosphorus Mean (log mg/L) -0.3 -0.89 -0.47 -0.47 -0.89 -0.3 -0.89 -0.47 Stormflow Total Phosphorus Standard Deviation (log mg/L) 0.31 0.31 0.31 0.31 0.31 0.31 0.31 0.31 Stormflow Total Phosphorus Estimation Method Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic _—_ Stochastic Stormflow Total Phosphorus Serial Correlation 0 0 0 0 0 0 0 0 Stormflow Total Nitrogen Mean (log mg/L) 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 Stormflow Total Nitrogen Standard Deviation (log mg/L) 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 Stormflow Total Nitrogen Estimation Method Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic _—_Stochastic Stormflow Total Nitrogen Serial Correlation 0 0 0 0 0 0 0 0 Baseflow Total Suspended Solids Mean (log mg/L) 1 0 1 1 0 1 0 1 Baseflow Total Suspended Solids Standard Deviation (log mg/L) 0.34 0 0.34 0.34 0 0.34 0 0.34 Baseflow Total Suspended Solids Estimation Method Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Baseflow Total Suspended Solids Serial Correlation 0 0 0 0 0 0 0 0 Baseflow Total Phosphorus Mean (log mg/L) -0.97 0 -0.97 -0.97 0 -0.97 0 -0.97 Baseflow Total Phosphorus Standard Deviation (log mg/L) 0.31 0 0.31 0.31 0 0.31 0 0.31 Baseflow Total Phosphorus Estimation Method Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Baseflow Total Phosphorus Serial Correlation 0 0 0 0 0 0 0 0 Baseflow Total Nitrogen Mean (log mg/L) 02 0 0.2 02 0 0.2 0 0.2 Baseflow Total Nitrogen Standard Deviation (log mg/L) 02 0 0.2 02 0 0.2 0 0.2 Baseflow Total Nitrogen Estimation Method Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic _—_ Stochastic Baseflow Total Nitrogen Serial Correlation 0 0 0 0 0 0 0 0 OUT - Mean Annual Flow (ML/yr) 0.478 1.02 0.643 431 3.82 1.73 1.91 1.65 OUT - TSS Mean Annual Load (kg/yr) 177 30.5 116 814 114 655 57.2 309 OUT - TP Mean Annual Load (kg/yr) 0.292 0.167 0.241 1.61 0.634 1.09 0.316 0.621 OUT - TN Mean Annual Load (kg/yr) 1 2.11 13 8.72 8.02 3.6 4.01 3.36 OUT - Gross Pollutant Mean Annual Load (kg/yr) 118 24 11.8 79.2 90.1 42.8 45.4 30.4 Rain In (ML/yr) 0.711512 1.1161 1.49278 10.003 4.18536 2.58098 2.09268 (3.83658 ET Loss (ML/yr) 0.231547 0.0962114 0.84291 5.64827 0.360791 0.839924 0.180395 2.16635 No Imported Data Source nodes USTM treatment nodes BioBasin 1 - 25m2 10m2 Stg1(Comple BioBasin3- Bioretention Roadside Roadside —_Raingardens Bioretention Location ted) Park Swale2 BioBasin1 BioBasin2_ x3. Swale 1 Swale 1 ID 4 5 14 15 17 20 27 28 BioRetention BioRetention BioRetention BioRetention BioRetention BioRetention BioRetention Node Type NodeV4 NodeV4 —- NodeV4. ss NodeV4.~—s NodeV4. = NodeV4. = NodeV4.~—s SwalleNode. Lo-flow bypass rate (cum/sec) 0 0 0 0 0 0 0 0.005 Hi-flow bypass rate (cum/sec) 100 100 100 100 100 100 100 Inlet pond volume Area (sqm) 46.69 202 82 25 10 18 97 Extended detention depth (m) 03 0.3 0 0.4 0.4 0.15 0 0.65 Overflow weir width (m) 3 3 1 1 1 1 1 a“ Weir Coefficient 17 1.7 17 17 1.7 17 17 Number of CSTR Cells 3 3 3 3 3 3 3 10 Total Suspended Solids - k (m/yr) 8000 8000 8000 8000 8000 8000 8000 8000 Total Suspended Solids - C* (mg/L) 20 20 20 20 20 20 20 20 Total Suspended Solids - C** (mg/L) 14 Total Phosphorus - k (m/yr) 6000 6000 6000 6000 6000 6000 6000 6000 Total Phosphorus - C* (mg/L) 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 Total Phosphorus - C** (mg/L) 0.13 Total Nitrogen - k (m/yr) 500 500 500 500 500 500 500 500 Total Nitrogen - C* (mg/L) 14 1.4 1.4 14 1.4 1.4 14 1.4 Total Nitrogen - C** (mg/L) 1.4 Threshold Hydraulic Loading for C** (m/yr) 3500 Horizontal Flow Coefficient 3 3 3 3 3 3 3 Reuse Enabled Off Off Off Off Off Off Off Off Annual Demand Enabled Off Off Off Off Off Off Off Off Daily Demand Enabled Off Off Off Off Off Off Off Off Custom Demand Enabled Off Off Off Off Off Off Off Off Filter area (sqm) 25 150 82 25 10 18 97 Filter perimeter (m) 20.5 47 172.4 24 14 33 162.4 Filter depth (m) 05 0.5 04 04 04 04 04 Filter Median Particle Diameter (mm) Saturated Hydraulic Conductivity (mnvhr) 200 200 200 200 200 200 200 Infiltration Media Porosity 0.35 0.35 0.35 0.35 0.35 0.35 0.35 Lot 29 to 32 - Lot 29 to 32- North section of Roadway Roadway Joining Road from Blue Lot 33-57- Lot33-57- fromBlue —_ from Blue Roadways Yard Roof Area Roadways Lot 18 - Yard Yard Wren Place Wren Place RoofArea Yard Wren Place Wren Place 1 12 13 30 31 32 33 36 UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource UrbanSource Node Node Node Node Node Node Node Node Node 0.08 0.177 01 0.129 0.625 1.065 0.461 0.034 0.04805925 0.03591241 0.09989157 0.05198779 0.07700938 0.62432229 0.21608316 0.27867875 0.02042518 0.03194075 0.14108759 0.00010843 0.03401221 0.05199062 0.00067771 0.84891684 0.18232125 0.01357482 200 200 200 200 200 200 200 200 ait 211 ait ait 211 211 ait 211 5 5 5 5 5 5 5 5 1 1 1 1 1 1 1 1 500 500 500 500 500 500 500 500 10 10 10 10 10 10 10 10 50 50 50 50 50 50 50 50 28 28 28 28 28 28 28 28 27 27 27 27 27 27 27 27 0 0 0 0 0 0 0 0 2.43 2.18 1.3 2.43 1.3 2.18 2.43 2.43 0.39 0.39 0.39 0.39 0.39 0.39 0.39 0.39 Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic | Stochastic Stochastic 0 0 0 0 0 0 0 0 -0.3 -0.47 -0.89 -0.3 -0.89 -0.47 -0.3 -0.3 0.31 0.31 0.31 0.31 0.31 0.31 0.31 0.31 Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic | Stochastic Stochastic 0 0 0 0 0 0 0 0 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic | Stochastic Stochastic 0 0 0 0 0 0 0 0 1 1 0 1 0 1 1 1 0.34 0.34 0 0.34 0 0.34 0.34 0.34 Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic | Stochastic Stochastic 0 0 0 0 0 0 0 0 -0.97 -0.97 0 -0.97 0 -0.97 -0.97 -0.97 0.31 0.31 0 0.31 0 0.31 0.31 0.31 Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic | Stochastic Stochastic 0 0 0 0 0 0 0 0 0.2 0.2 0 0.2 0 0.2 0.2 0.2 0.2 0.2 0 0.2 0 0.2 0.2 0.2 Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic Stochastic | Stochastic Stochastic 0 0 0 0 0 0 0 0 0.75 1.06 1.27 1.21 7.97 6.4 4.32 0.319 296 202 38.1 458 238 1.21E+03 1.62E+03 120 0.463 0.396 0.213 0.733 1.33 2.45 2.66 0.199 1.55 2.18 2.63 2.48 16.4 12.9 8.93 0.66 18.5 19.6 30 29.9 188 118 107 7.87 1.1161 2.46936 1.39512 1.79971 8.71951 14.8581 6.43151 0.474341 0.36321 1.39434 0.120263 0.585679 0.751637 8.38967 2.09301 0.154365 BioBasin 2 - Swale 2 Park Raingardens Buffer 29 34 35 BioRetention BioRetention SwaleNode NodeV4 NodeV4 BufferNode 0.004 0 0 100 100 274 6 102.125896 0.65 0.3 0.15 3 1 17 1.7 10 3 3 8000 8000 8000 20 20 20 14 6000 6000 6000 0.13 0.13 0.13 0.13 500 500 500 1.4 1.4 1.4 1.4 3500 3 3 Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off 211 6 60 10 0.5 0.4 200 200 0.35 0.35
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