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Callaghan and Toth IWMP Report revised
Attached to the e-mail Change to DA - MCU18/0009.01.
Source nodes
CATCHMENT
CATCHMENT CATCHMENT A_Villas 1 - 4 & CATCHMENT CATCHMENT
A_landscaped B_Entry building Service Core- B_landscaped D_10 new
Location areas roof Roof areas carparks
ID 4 5 6 9 10
UrbanSourceNo UrbanSourceNod UrbanSourceNod UrbanSourceNo
Node Type UrbanSourceNode de e e de
Zoning Surface Type Mixed Roof Roof Mixed Sealedroad
Total Area (ha) 0.169 0.047 0.121 0.011 0.002
Area Impervious (ha) 0.059313646 0.047 0.121 0.003860652 0.001802384
Area Pervious (ha) 0.109686354 0 0 0.007139348 0.000197616
Field Capacity (mm) 200 200 200 200 200
Pervious Area Infiltration Capacity coefficient - a 211 211 211 211 211
Pervious Area Infiltration Capacity exponent - b 5 5 5 5 5
Impervious Area Rainfall Threshold (mm/day) 1 1 1 1 1
Pervious Area Soil Storage Capacity (mm) 500 500 500 500 500
Pervious Area Soil Initial Storage (% of Capacity) 10 10 10 10 10
Groundwater Initial Depth (mm) 50 50 50 50 50
Groundwater Daily Recharge Rate (%) 28 28 28 28 28
Groundwater Daily Baseflow Rate (%) 27 27 27 27 27
Groundwater Daily Deep Seepage Rate (%) 0 0 0 0 0
Stormflow Total Suspended Solids Mean (log mg/L) 2.18 1.3 1.3 2.18 2.43
Stormflow Total Suspended Solids Standard Deviation (log mg/L) 0.39 0.39 0.39 0.39 0.39
Stormflow Total Suspended Solids Estimation Method Stochastic Stochastic Stochastic Stochastic Stochastic
Stormflow Total Suspended Solids Serial Correlation 0 0 0 0 0
Stormflow Total Phosphorus Mean (log mg/L) -0.47 -0.89 -0.89 -0.47 -0.3
Stormflow Total Phosphorus Standard Deviation (log mg/L) 0.31 0.31 0.31 0.31 0.31
Stormflow Total Phosphorus Estimation Method Stochastic Stochastic Stochastic Stochastic Stochastic
Stormflow Total Phosphorus Serial Correlation 0 0 0 0 0
Stormflow Total Nitrogen Mean (log mg/L) 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
Stormflow Total Nitrogen Estimation Method Stochastic Stochastic Stochastic Stochastic Stochastic
Stormflow Total Nitrogen Serial Correlation 0 0 0 0 0
Baseflow Total Suspended Solids Mean (log mg/L) 1 0 0 1 1
Baseflow Total Suspended Solids Standard Deviation (log mg/L) 0.34 0 0 0.34 0.34
Baseflow Total Suspended Solids Estimation Method Stochastic Stochastic Stochastic Stochastic Stochastic
Baseflow Total Suspended Solids Serial Correlation 0 0 0 0 0
Baseflow Total Phosphorus Mean (log mg/L) -0.97 0 0 -0.97 -0.97
Baseflow Total Phosphorus Standard Deviation (log mg/L) 0.31 0 0 0.31 0.31
Baseflow Total Phosphorus Estimation Method Stochastic Stochastic Stochastic Stochastic Stochastic
Baseflow Total Phosphorus Serial Correlation 0 0 0 0 0
Baseflow Total Nitrogen Mean (log mg/L) 0.2 0 0 0.2 0.2
Baseflow Total Nitrogen Standard Deviation (log mg/L) 0.2 0 0 0.2 0.2
Baseflow Total Nitrogen Estimation Method Stochastic Stochastic Stochastic Stochastic Stochastic
Baseflow Total Nitrogen Serial Correlation 0 0 0 0 0
Flow based constituent generation - enabled Off Off Off Off Off
OUT - Mean Annual Flow (ML/yr) 1.43 0.668 1.72 9.28E-02 2.66E-02
OUT - TSS Mean Annual Load (kg/yr) 269 20 52.6 18.1 10.6
OUT - TP Mean Annual Load (kg/yr) 0.548 0.112 0.285 3.62E-02 1.70E-02
OUT - TN Mean Annual Load (kg/yr) 2.9 1.41 3.58 0.188 5.59E-02
OUT - Gross Pollutant Mean Annual Load (kg/yr) 32.1 15.8 40.8 2.09 0.641
Rain In (ML/yr) 2.61288 0.726659 1.87076 0.170069 0.0309217
ET Loss (ML/yr) 1.18897 0.0589206 0.151687 0.077389 0.00428633
Deep Seepage Loss (ML/yr) 0 0 0 0 0
Baseflow Out (ML/yr) 0.222829 0 0 0.0145037 0.000405689
Imp. Stormflow Out (ML/yr) 0.840357 0.667739 1.71907 0.0546977 0.025573
Perv. Stormflow Out (ML/yr) 0.363319 0 0 0.023648 0.000661519
Total Stormflow Out (ML/yr) 1.20368 0.667739 1.71907 0.0783457 0.0262345
Total Outflow (ML/yr) 1.42651 0.667739 1.71907 0.0928495 0.0266402
Change in Soil Storage (ML/yr) -0.00259559 0 0 -0.000168954 -4.70E-06
TSS Baseflow Out (kg/yr) 3.03183 0 0 0.196112 0.0054866
TSS Total Stormflow Out (kg/yr) 265.617 19.972 52.6067 17.8975 10.6118
TSS Total Outflow (kg/yr) 268.649 19.972 52.6067 18.0936 10.6173
TP Baseflow Out (kg/yr) 0.0307238 0 0 0.00200185 5.61E-05
TP Total Stormflow Out (kg/yr) 0.517686 0.112109 0.285127 0.0341759 0.0169519
TP Total Outflow (kg/yr) 0.548409 0.112109 0.285127 0.0361778 0.0170079
TN Baseflow Out (kg/yr) 0.392724 0 0 0.0255146 0.000714304
TN Total Stormflow Out (kg/yr) 2.50321 1.4089 3.57851 0.162103 0.055286
TN Total Outflow (kg/yr) 2.89593 1.4089 3.57851 0.187618 0.0560003
GP Total Outflow (kg/yr) 32.9988 15.8335 40.7629 2.14785 0.643222
No Imported Data Source nodes
USTM treatment nodes
1 x 14_000 litre 5 x 14_000 litre
Location RWT Biopod 2 RWT Biopod 1
ID 2 3 7 8
RainWaterTankNo BioRetentionNo RainWaterTankN BioRetentionNod
Node Type de deV4 ode eV4
Lo-flow bypass rate (cum/sec) 0 0 0 0
Hi-flow bypass rate (cum/sec) 100 100 100 100
Inlet pond volume 0 0
Area (sqm) 28 10 140 32
Initial Volume (m^3) 14 70
Extended detention depth (m) 0.01 0.2 0.01 0.2
Number of Rainwater tanks 1 5
Permanent Pool Volume (cubic metres) 14 70
Proportion vegetated 0 0
Equivalent Pipe Diameter (mm) 100 224
Overflow weir width (m) 10 0.2 10 0.2
Notional Detention Time (hrs) 3.34E-02 3.33E-02
Orifice Discharge Coefficient 0.6 0.6
Weir Coefficient 1.7 1.7 1.7 1.7
Number of CSTR Cells 2 3 2 3
Total Suspended Solids - k (m/yr) 400 8000 400 8000
Total Suspended Solids - C* (mg/L) 12 20 12 20
Total Suspended Solids - C** (mg/L) 12 12
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