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Attachment G - Stormwater Quality Management plan
Change in Soil Storage (ML/yr) 0.0125047 0.00206773 0.00275691 0.00585855 0 0 0 0.00246155 0.00422155 0.00167382 0.00226464 0.00433236 0.00396309 0.00215382 0.00103382 0.00112 0.00189536
TSS Baseflow Out (kg/yr) 2.93246 0.4843 0.644122 1.36681 0 0 0 0.574766 0.984269 0.393905 0.530807 1.01649 0.933434 0.505094 0.241421 0.261633 0.444404
TSS Total Stormflow Out (kg/yr) 164.256 37.4411 50.7601 105.273 3.89871 2.2105 2.60996 32.5381 75.2573 21.7589 30.0671 55.8862 71.0359 38.5677 18.7221 20.1924 33.3741
TSS Total Outflow (kg/yr) 167.189 37.9254 51.4042 106.64 3.89871 2.2105 2.60996 33.1129 76.2415 22.1528 30.5979 56.9027 71.9693 39.0728 18.9635 20.454 33.8185
TP Baseflow Out (kg/yr) 0.0297159 0.00495445 0.00658382 0.0139456 0 0 0 0.00585936 0.0100745 0.00400727 0.00539827 0.0103924 0.00945427 0.00512418 0.002481 0.00267155 0.00450591
TP Total Stormflow Out (kg/yr) 0.326365 0.0722252 0.0975691 0.20716 0.0218545 0.012312 0.0144699 0.0644013 0.150899 0.0429906 0.0603284 0.114217 0.141777 0.0768034 0.03676 0.0398517 0.0675065
TP Total Outflow (kg/yr) 0.356081 0.0771796 0.104153 0.221106 0.0218545 0.012312 0.0144699 0.0702606 0.160974 0.0469979 0.0657266 0.124609 0.151231 0.0819275 0.039241 0.0425233 0.0720125
TN Baseflow Out (kg/yr) 0.380542 0.0626947 0.0839825 0.177948 0 0 0 0.0750424 0.12833 0.0509074 0.0689277 0.131779 0.120734 0.0655745 0.0314855 0.0340555 0.0577296
TN Total Stormflow Out (kg/yr) 1.5562 0.345559 0.448467 0.970881 0.278718 0.153551 0.184983 0.297221 0.710312 0.205025 0.274334 0.525471 0.657497 0.357981 0.173002 0.184369 0.318479
TN Total Outflow (kg/yr) 1.93675 0.408253 0.532449 1.14883 0.278718 0.153551 0.184983 0.372263 0.838641 0.255933 0.343262 0.65725 0.778231 0.423555 0.204488 0.218425 0.376208
GP Total Outflow (kg/yr) 17.1175 4.30692 5.74255 12.2029 3.05077 1.69487 2.03385 3.3696 8.79327 2.29133 3.10003 5.93049 8.25492 4.48637 2.15346 2.33291 3.948
No Imported Data Source nodes
USTM treatment nodes
Copy of Copy of
Rainwater Tank Rainwater Rainwater Swale TP1 Swale TP2 BIOPOD BIOPOD BIOPOD Treepit Treepit Treepit Treepit BIOPOD Treepit BIOPOD
Location Tank Tank
ID 7 9 10 12 13 14 18 22 29 30 31 32 33 34 40 41 42
RainWaterTank RainWaterTan BioRetentionNo BioRetentionNo BioRetentionN BioRetentionN BioRetentionN BioRetentionN BioRetentionNo BioRetentionNo BioRetentionNo BioRetentionNo BioRetentionNo BioRetentionNo
RainWaterTankNode SwaleNode SwaleNode
Node Type Node kNode deV4 deV4 odeV4 odeV4 odeV4 odeV4 deV4 deV4 deV4 deV4 deV4 deV4
Lo-flow bypass rate (cum/sec) 0 0 0 0 0 0.1 0 0 0 0 0 0 0 0 0 0 0
Hi-flow bypass rate (cum/sec) 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100
Inlet pond volume 0 0 0
Area (sqm) 1.1 1.1 1.1 2.6 2.6 5 5 5 2.6 2.6 2.6 2.6 5 2.6 5
Initial Volume (m^3) 2 2 2
Extended detention depth (m) 0.2 0.2 0.2 0.5 0.1 0.5 0.1 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.2 0.1 0.2
Number of Rainwater tanks 1 1 1
Permanent Pool Volume (cubic metres) 2 2 2
Proportion vegetated 0 0 0
Equivalent Pipe Diameter (mm) 50 50 50
Overflow weir width (m) 10 10 10 50 0.2 40 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
Notional Detention Time (hrs) 2.35E-02 2.35E-02 2.35E-02
Orifice Discharge Coefficient 0.6 0.6 0.6
Weir Coefficient 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7
Number of CSTR Cells 2 2 2 10 3 10 3 3 3 3 3 3 3 3 3 3 3
Total Suspended Solids - k (m/yr) 400 400 400 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000
Total Suspended Solids - C* (mg/L) 12 12 12 20 20 20 20 20 20 20 20 20 20 20 20 20 20
Total Suspended Solids - C** (mg/L) 12 12 12 14 14
Total Phosphorus - k (m/yr) 300 300 300 6000 6000 6000 6000 6000 6000 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 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13
Total Phosphorus - C** (mg/L) 0.13 0.13 0.13 0.13 0.13
Total Nitrogen - k (m/yr) 40 40 40 500 500 500 500 500 500 500 500 500 500 500 500 500 500
Total Nitrogen - C* (mg/L) 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4
Total Nitrogen - C** (mg/L) 1.4 1.4 1.4 1.4 1.4
Threshold Hydraulic Loading for C** (m/yr) 3500 3500 3500 3500 3500
Horizontal Flow Coefficient 3 3 3 3 3 3 3 3 3 3 3 3
Reuse Enabled Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off
Max drawdown height (m)
Annual Demand Enabled Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off
Daily Demand Enabled Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off
Daily Demand Value (ML/day)
Custom Demand Enabled Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off Off
Custom Demand Time Series File
Custom Demand Time Series Units
Filter area (sqm) 2.6 2.6 5 5 5 2.6 2.6 2.6 2.6 5 2.6 5
Filter perimeter (m) 10 10 10 10 10 10 10 10 10 10 10 10
Filter depth (m) 0.3 0.3 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.4 0.3 0.4
Filter Median Particle Diameter (mm)
[OCR of page images]
Change in Soil Storage (ML/yr)
TSS Baseflow Out (kg/yr)
TSS Total Stormflow Out (kg/yr)
TSS Total Outflow (kg/yr)
TP Baseflow Out (kg/yr)
TP Total Stormflow Out (kg/yr)
TP Total Outflow (kg/yr)
TN Baseflow Out (kg/yr)
TN Total Stormflow Out (kg/yr)
TN Total Outflow (kg/yr)
GP Total Outflow (kg/yr)
No Imported Data Source nodes
USTM treatment nodes
Location
ID
Node Type
Lo-flow bypass rate (cum/sec)
Hi-flow bypass rate (cum/sec)
Inlet pond volume
Area (sqm)
Initial Volume (m‘3)
Extended detention depth (m)
Number of Rainwater tanks
Permanent Pool Volume (cubic metres)
Proportion vegetated
Equivalent Pipe Diameter (mm)
Overflow weir width (m)
Notional Detention Time (hrs)
Orifice Discharge Coefficient
Weir Coefficient
Number of CSTR Cells
Total Suspended Solids - k (m/yr)
Total Suspended Solids - C* (mg/L)
Total Suspended Solids - C** (mg/L)
Total Phosphorus - k (m/yr)
Total Phosphorus - C* (mg/L)
Total Phosphorus - C** (mg/L)
Total Nitrogen - k (m/yr)
Total Nitrogen - C* (mg/L)
Total Nitrogen - C** (mg/L)
Threshold Hydraulic Loading for C** (m/yr)
Horizontal Flow Coefficient
Reuse Enabled
Max drawdown height (m)
Annual Demand Enabled
Daily Demand Enabled
Daily Demand Value (ML/day)
Custom Demand Enabled
Custom Demand Time Series File
Custom Demand Time Series Units
Filter area (sqm)
Filter perimeter (m)
Filter depth (m)
Filter Median Particle Diameter (mm)
0.0125047
2.93246
164.256
167.189
0.0297159
0.326365
0.356081
0.380542
1.5562
1.93675
17.1175
Rainwater Tank
7
RainWaterTankNode
0
100
10
2.35E-02
0.6
17
2
400
12
12
300
0.13
0.13
40
14
14
3500
Off
Off
Off
Off
0.00206773 0.00275691
0.4843 0.644122
37.4411 50.7601
37.9254 51.4042
0.00495445 —0.00658382
0.0722252 0.0975691
0.0771796 0.104153
0.0626947 0.0839825
0.345559 0.448467
0.408253 0.532449
4.30692 5.74255
Copy of Copy of
Rainwater Rainwater
Tank Tank
9 10
RainWaterTank RainWaterTan
Node kNode
0 0
100 100
0 0
14 14
2 2
0.2 0.2
1
50 50
10 10
2.35E-02 2.35E-02
0.6 0.6
17 17
2 2
400 400
12 12
12 12
300 300
0.13 0.13
0.13 0.13
40 40
14 14
14 14
3500 3500
Off Off
Off Off
Off Off
Off Off
0.00585855
1.36681
105.273
106.64
0.0139456
0.20716
0.221106
0.177948
0.970881
1.14883
12.2029
Swale
12
SwaleNode
0
0.5
50
10
8000
20
14
6000
0.13
0.13
500
14
14
3500
Off
Off
Off
Off
0
0
3.89871
3.89871
0
0.0218545
0.0218545
0
0.278718
0.278718
3.05077
TP1
13
BioRetentionNo
deV4
0
100
26
0.1
0.2
8000
20
6000
0.13
500
14
Off
Off
Off
Off
26
0.3
0
0
2.2105
2.2105
0
0.012312
0.012312
0
0.153551
0.153551
1.69487
Swale
14
SwaleNode
0.1
0.5
40
8000
20
6000
0.13
0.13
500
14
14
3500
Off
Off
Off
Off
0 0.00246155 0.00422155 0.00167382 0.00226464 —0.00433236 0.00396309 0.00215382 0.00103382 0.00112 0.00189536
0 0.574766 0.984269 0.393905 0.530807 1.01649 0.933434 0.505094 0.241421 0.261633 0.444404
2.60996 32.5381 75.2573 21.7589 30.0671 55.8862 71.0359 38.5677 18.7221 20.1924 33.3741
2.60996 33.1129 76.2415 22.1528 30.5979 56.9027 71.9693 39.0728 18.9635 20.454 33.8185
0 0.00585936 —0.0100745 0.00400727 0.00539827 0.0103924 0.00945427 0.00512418 0.002481 0.00267155 0.00450591
0.0144699 0.0644013 0.150899 0.0429906 0.0603284 0.114217 0.141777 0.0768034 0.03676 0.0398517 0.0675065
0.0144699 0.0702606 0.160974 0.0469979 0.0657266 0.124609 0.151231 0.0819275 0.039241 0.0425233 0.0720125
0 0.0750424 0.12833 0.0509074 0.0689277 0.131779 0.120734 0.0655745 0.0314855 0.0340555 0.0577296
0.184983 0.297221 0.710312 0.205025 0.274334 0.525471 0.657497 0.357981 0.173002 0.184369 0.318479
0.184983 0.372263 0.838641 0.255933 0.343262 0.65725 0.778231 0.423555 0.204488 0.218425 0.376208
2.03385 3.3696 8.79327 2.29133 3.10003 5.93049 8.25492 4.48637 2.15346 2.33291 3.948
TP2 BIOPOD BIOPOD BIOPOD Treepit Treepit Treepit Treepit BIOPOD Treepit BIOPOD
18 22 29 30 31 32 33 34 40 41 42
BioRetentionNo BioRetentionN BioRetentionN BioRetentionN BioRetentionN BioRetentionNo BioRetentionNo BioRetentionNo BioRetentionNo BioRetentionNo BioRetentionNo
deV4 odeV4 odeV4 odeV4 odeV4 deV4 deV4 deV4 deV4 deV4 deV4
0 0 0 0 0 0 0 0 0 0 0
100 100 100 100 100 100 100 100 100 100 100
26 5 5 5 26 26 26 26 5 26 5
0.1 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.2 0.1 0.2
0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
17 17 17 17 17 17 17 17 17 17 17
3 3 3 3 3 3 3 3 3 3 3
8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 8000
20 20 20 20 20 20 20 20 20 20 20
6000 6000 6000 6000 6000 6000 6000 6000 6000 6000 6000
0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13
500 500 500 500 500 500 500 500 500 500 500
14 14 14 14 14 14 14 14 14 14 14
3 3 3 3 3 3 3 3 3 3 3
Off Off Off Off Off Off Off Off Off Off Off
Off Off Off Off Off Off Off Off Off Off Off
Off Off Off Off Off Off Off Off Off Off Off
Off Off Off Off Off Off Off Off Off Off Off
26 5 5 5 26 26 26 26 5 26 5
10 10 10 10 10 10 10 10 10 10 10
0.3 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.4 0.3 04
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