Page 9 Network Design Table for OUTFALL B.SWS Length Fall Slope (1:X) Area (ha) T.E. (mins) DWF k (mm) HYD SECT DIA (mm) 21.004 38.358 0.192 199.8 0.389 0.00 0.0 0.600 o 900 21.005 24.228 0.121 200.2 0.051 0.00 0.0 0.600 o 900 24.000 31.903 3.533 9.0 0.020 5.00 0.0 0.600 o 150 21.006 46.833 0.234 200.0 0.093 0.00 0.0 0.600 o 900 25.000 33.134 2.359 14.0 0.197 5.00 0.0 0.600 o 225 25.001 20.524 0.953 21.5 0.019 0.00 0.0 0.600 o 225 25.002 20.367 0.534 38.1 0.058 0.00 0.0 0.600 o 225 25.003 25.630 3.096 8.3 0.000 0.00 0.0 0.600 o 225 21.007 26.387 0.132 200.0 0.029 0.00 0.0 0.600 o 900 21.008 38.100 1.383 27.5 0.079 0.00 0.0 0.600 o 900 16.011 83.057 0.418 198.7 0.293 0.00 0.0 0.600 o 675 16.012 31.537 0.110 286.7 0.000 0.00 0.0 0.600 o 450 1.032 70.185 1.000 70.2 0.136 0.00 0.0 0.600 o 450 1.033 60.065 0.300 200.2 0.000 0.00 0.0 0.600 o 450 Network Results Table Rain (mm/hr) T.C. (mins) US/IL Σ Area (ha) Σ DWF Foul Add Flow Vel (m/s) Cap Flow 21.004 0.00 7.14 87.698 2.217 0.0 0.0 0.0 2.21 1408.0 0.0 21.005 0.00 7.32 87.506 2.268 0.0 0.0 0.0 2.21 1406.4 0.0 24.000 0.00 5.16 91.484 0.020 0.0 0.0 0.0 3.37 59.6 0.0 21.006 0.00 7.68 87.201 2.381 0.0 0.0 0.0 2.21 1407.2 0.0 25.000 0.00 5.16 94.434 0.197 0.0 0.0 0.0 3.51 139.6 0.0 25.001 0.00 5.28 92.075 0.216 0.0 0.0 0.0 2.83 112.6 0.0 25.002 0.00 5.44 91.122 0.274 0.0 0.0 0.0 2.12 84.5 0.0 25.003 0.00 5.53 90.588 0.274 0.0 0.0 0.0 4.58 181.9 0.0 21.007 0.00 7.88 86.817 2.684 0.0 0.0 0.0 2.21 1407.2 0.0 21.008 0.00 7.98 86.685 2.763 0.0 0.0 0.0 5.98 3805.6 0.0 16.011 0.00 10.51 85.302 6.243 0.0 0.0 0.0 1.86 664.1 0.0 16.012 0.00 10.95 84.202 6.243 0.0 0.0 0.0 1.20 190.2 0.0 1.032 0.00 12.41 84.092 16.796 0.0 0.0 0.0 2.43 386.4 0.0 1.033 0.00 13.10 83.092 16.796 0.0 0.0 0.0 1.43 227.9 0.0
Page 10 Network Design Table for OUTFALL B.SWS Length Fall Slope (1:X) Area (ha) T.E. (mins) DWF k (mm) HYD SECT DIA (mm) 1.034 12.387 0.062 200.0 0.000 0.00 0.0 0.600 o 450 Network Results Table Rain (mm/hr) T.C. (mins) US/IL Σ Area (ha) Σ DWF Foul Add Flow Vel (m/s) Cap Flow 1.034 0.00 13.25 82.792 16.796 0.0 0.0 0.0 1.43 228.1 0.0 Free Flowing Outfall Details for OUTFALL B.SWS Outfall Pipe Number Outfall Name C. Level I. Level Min I. Level D,L (mm) W (mm) 1.034 112 84.600 82.730 82.600 0 0 Simulation Criteria for OUTFALL B.SWS Volumetric Runoff Coeff 0.840 Foul Sewage per hectare 0.000 PIMP (% impervious) 100 Additional Flow - % of Total Flow 0.000 Areal Reduction Factor 1.000 MADD Factor * 10m³/ha Storage 2.000 Hot Start (mins) 0 Inlet Coeffiecient 0.800 Hot Start Level (mm) 0 Run Time (mins) 1920 Manhole Headloss Coeff (Global) 0.500 Output Interval (mins) 16 Number of Input Hydrographs 0 Number of Storage Structures 5 Number of Online Controls 5 Number of Time/Area Diagrams 0 Number of Offline Controls 1 Synthetic Rainfall Details Rainfall Model FSR Profile Type Winter Return Period (years) 100 Cv (Summer) 0.750 Region England and Wales Cv (Winter) 0.840 M5-60 (mm) 18.500 Storm Duration (mins) 960 Ratio R 0.354
Page 11 Online Controls for OUTFALL B.SWS Orifice Manhole: 46, DS/: 1.027, Volume (m³): 31.9 Diameter 0.200 Discharge Coefficient 0.600 Invert Level 84.850 Orifice Manhole: 75, DS/: 10.010, Volume (m³): 9.5 Diameter 0.175 Discharge Coefficient 0.600 Invert Level 84.700 Orifice Manhole: 99, DS/: 16.008, Volume (m³): 52.0 Diameter 0.225 Discharge Coefficient 0.600 Invert Level 86.879 Orifice Manhole: 124, DS/: 16.012, Volume (m³): 35.8 Diameter 0.210 Discharge Coefficient 0.600 Invert Level 84.202 Hydro-Brake Manhole: 125, DS/: 1.032, Volume (m³): 11.4 Design Head 2.000 Diameter (mm) 342 Design Flow 100.0 Invert Level 84.092 Hydro-Brake Type Md5 SW Only Depth Flow Depth Flow Depth Flow Depth Flow 0.100 12.4 1.200 85.4 3.000 122.0 7.000 186.2 0.200 33.4 1.400 87.9 3.500 131.7 7.500 192.8 0.300 54.6 1.600 91.6 4.000 140.8 8.000 199.1 0.400 71.0 1.800 95.8 4.500 149.3 8.500 205.2 0.500 79.8 2.000 100.3 5.000 157.4 9.000 211.2 0.600 84.3 2.200 104.8 5.500 165.1 9.500 217.0 0.800 85.7 2.400 109.3 6.000 172.4 1.000 84.7 2.600 113.6 6.500 179.5
Page 12 Offline Controls for OUTFALL B.SWS Pipe Manhole: 47, DS/: 1.028, Loop to : None Diameter 0.300 Roughness k (mm) 0.600 Section Type Pipe/Conduit Entry Loss Coefficient 0.500 Slope (1:X) 200.0 Coefficient of Contraction 0.600 Length 20.000 Upstream Invert Level 84.792
Page 13 Storage Structures for OUTFALL B.SWS Cellular Storage Manhole: 46, DS/: 1.027 Invert Level 84.850 Safety Factor 2.0 Infiltration Coefficient Base (m/hr) 0.00000 Porosity 0.95 Infiltration Coefficient Side (m/hr) 0.00000 Depth Area (m²) Inf. Area (m²) Depth Area (m²) Inf. Area (m²) 0.000 1946.0 1946.0 1.600 0.0 2405.0 1.500 1946.0 2405.0 Cellular Storage Manhole: 74, DS/: 10.009 Invert Level 86.100 Safety Factor 2.0 Infiltration Coefficient Base (m/hr) 0.00000 Porosity 0.95 Infiltration Coefficient Side (m/hr) 0.00000 Depth Area (m²) Inf. Area (m²) Depth Area (m²) Inf. Area (m²) 0.000 660.0 660.0 1.600 0.0 888.0 1.500 660.0 888.0 Tank or Pond Manhole: 75, DS/: 10.010 Invert Level 84.700 Depth Area (m²) Depth Area (m²) Depth Area (m²) Depth Area (m²) 0.000 830.0 1.400 1960.0 2.800 0.0 4.200 0.0 0.200 980.0 1.600 2140.0 3.000 0.0 4.400 0.0 0.400 1130.0 1.800 2320.0 3.200 0.0 4.600 0.0 0.600 1290.0 2.000 0.0 3.400 0.0 4.800 0.0 0.800 1450.0 2.200 0.0 3.600 0.0 5.000 0.0 1.000 1620.0 2.400 0.0 3.800 0.0 1.200 1790.0 2.600 0.0 4.000 0.0 Cellular Storage Manhole: 99, DS/: 16.008 Invert Level 86.879 Safety Factor 2.0 Infiltration Coefficient Base (m/hr) 0.00000 Porosity 0.95 Infiltration Coefficient Side (m/hr) 0.00000 Depth Area (m²) Inf. Area (m²) Depth Area (m²) Inf. Area (m²) 0.000 600.0 600.0 1.600 0.0 810.0 1.500 600.0 810.0
Page 14 Cellular Storage Manhole: 124, DS/: 16.012 Invert Level 84.202 Safety Factor 2.0 Infiltration Coefficient Base (m/hr) 0.00000 Porosity 0.95 Infiltration Coefficient Side (m/hr) 0.00000 Depth Area (m²) Inf. Area (m²) Depth Area (m²) Inf. Area (m²) 0.000 1440.0 1440.0 2.100 0.0 1864.0 2.000 1440.0 1864.0
Page 15 1 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS Margin for Flood Risk Warning (mm) 300.0 Analysis Timestep 2.5 Second Increment (Extended) DTS Status OFF DVD Status ON Inertia Status ON Profile(s) Summer and Winter Duration(s) (mins) 15, 30, 60, 120, 180, 240, 360, 480, 600, 720, 960 Return Period(s) (years) 1, 30, 100 Climate Change (%) 0, 0, 30 Storm Return Period Climate Change First X Surcharge First Y Flood First Z Overflow O/F Act. Lvl Exc. 1.000 15 Winter 1 0% 1.001 15 Winter 1 0% 1.002 15 Winter 1 0% 1.003 15 Winter 1 0% 1.004 15 Winter 1 0% 100/15 Summer 1.005 15 Winter 1 0% 100/15 Summer 1.006 15 Winter 1 0% 100/15 Summer 1.007 15 Winter 1 0% 100/15 Winter 2.000 15 Winter 1 0% 2.001 15 Winter 1 0% 100/15 Winter 1.008 15 Winter 1 0% 100/15 Summer 3.000 15 Winter 1 0% 3.001 15 Winter 1 0% 100/15 Summer 1.009 15 Winter 1 0% 100/15 Summer 4.000 15 Winter 1 0% 100/15 Winter 1.010 15 Winter 1 0% 100/15 Summer 1.011 15 Winter 1 0% 100/15 Summer 1.012 15 Winter 1 0% 100/15 Summer 1.013 15 Winter 1 0% 100/15 Summer 5.000 15 Winter 1 0% 100/15 Winter 5.001 15 Winter 1 0% 5.002 15 Winter 1 0% 5.003 15 Winter 1 0% 100/15 Summer 5.004 15 Winter 1 0% 100/15 Summer 1.014 15 Winter 1 0% 100/15 Summer 1.015 15 Winter 1 0% 100/15 Summer 1.016 15 Winter 1 0% 100/15 Summer 1.017 15 Winter 1 0% 100/15 Summer 100/15 Winter 1 1.018 15 Winter 1 0% 100/15 Summer 1.019 15 Winter 1 0% 100/15 Summer 1.020 15 Winter 1 0% 100/15 Summer 1.021 15 Winter 1 0% 30/15 Winter 1.022 15 Winter 1 0% 30/15 Summer 6.000 15 Winter 1 0% 30/15 Summer 7.000 15 Winter 1 0% 100/15 Summer
Page 16 1 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS Storm Return Period Climate Change First X Surcharge First Y Flood First Z Overflow O/F Act. Lvl Exc. 6.001 15 Winter 1 0% 6.002 15 Winter 1 0% 8.000 15 Winter 1 0% 9.000 15 Winter 1 0% 100/15 Summer 9.001 15 Winter 1 0% 6.003 15 Winter 1 0% 100/15 Winter 1.023 15 Winter 1 0% 30/15 Summer 1.024 15 Winter 1 0% 30/15 Summer 1.025 15 Winter 1 0% 30/15 Summer 1.026 15 Winter 1 0% 30/15 Summer 1.027 480 Winter 1 0% 1/120 Summer 1.028 480 Winter 1 0% 100/120 Winter 66 1.029 600 Winter 1 0% 30/120 Winter 1.030 600 Winter 1 0% 30/30 Winter 1.031 600 Winter 1 0% 1/180 Winter 10.000 15 Winter 1 0% 10.001 15 Winter 1 0% 10.002 15 Winter 1 0% 11.000 15 Winter 1 0% 12.000 15 Winter 1 0% 100/15 Summer 12.001 15 Winter 1 0% 100/15 Summer 11.001 15 Winter 1 0% 100/15 Summer 13.000 15 Winter 1 0% 11.002 15 Winter 1 0% 100/15 Summer 11.003 15 Winter 1 0% 30/15 Summer 100/15 Winter 1 11.004 15 Winter 1 0% 30/15 Summer 11.005 15 Winter 1 0% 30/15 Summer 11.006 15 Winter 1 0% 30/15 Summer 11.007 15 Winter 1 0% 30/15 Summer 10.003 15 Winter 1 0% 100/15 Summer 10.004 15 Winter 1 0% 14.000 15 Winter 1 0% 100/15 Summer 10.005 15 Winter 1 0% 100/15 Summer 10.006 15 Winter 1 0% 100/15 Summer 10.007 15 Winter 1 0% 100/15 Summer 10.008 15 Winter 1 0% 30/15 Winter 15.000 15 Winter 1 0% 100/15 Summer 15.001 15 Winter 1 0% 100/15 Summer 10.009 30 Winter 1 0% 30/15 Summer 10.010 360 Winter 1 0% 1/60 Summer 16.000 15 Winter 1 0% 16.001 15 Winter 1 0% 100/15 Summer 16.002 15 Winter 1 0% 30/15 Summer 17.000 15 Winter 1 0% 17.001 15 Winter 1 0% 18.000 15 Winter 1 0% 100/15 Summer 18.001 15 Winter 1 0% 17.002 15 Winter 1 0%
Page 17 1 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS Storm Return Period Climate Change First X Surcharge First Y Flood First Z Overflow O/F Act. Lvl Exc. 17.003 15 Winter 1 0% 100/15 Summer 16.003 15 Winter 1 0% 16.004 15 Winter 1 0% 16.005 15 Winter 1 0% 100/15 Summer 16.006 15 Winter 1 0% 100/15 Summer 19.000 15 Winter 1 0% 100/15 Summer 19.001 15 Winter 1 0% 100/15 Summer 19.002 15 Winter 1 0% 20.000 15 Winter 1 0% 100/15 Summer 20.001 15 Winter 1 0% 100/15 Winter 20.002 15 Winter 1 0% 100/15 Summer 20.003 15 Winter 1 0% 100/15 Summer 19.003 15 Winter 1 0% 19.004 15 Winter 1 0% 100/15 Summer 16.007 15 Winter 1 0% 100/30 Summer 16.008 120 Winter 1 0% 30/15 Summer 16.009 120 Winter 1 0% 100/15 Summer 16.010 120 Winter 1 0% 30/15 Winter 21.000 15 Winter 1 0% 21.001 15 Winter 1 0% 100/15 Summer 21.002 15 Winter 1 0% 22.000 15 Winter 1 0% 23.000 15 Winter 1 0% 23.001 15 Winter 1 0% 23.002 15 Winter 1 0% 100/15 Summer 23.003 15 Winter 1 0% 100/15 Summer 23.004 15 Winter 1 0% 100/15 Summer 22.001 15 Winter 1 0% 100/15 Summer 21.003 15 Winter 1 0% 21.004 15 Winter 1 0% 21.005 15 Winter 1 0% 24.000 15 Winter 1 0% 21.006 15 Winter 1 0% 25.000 15 Winter 1 0% 25.001 15 Winter 1 0% 100/15 Summer 25.002 15 Winter 1 0% 30/15 Summer 25.003 15 Winter 1 0% 21.007 15 Winter 1 0% 100/15 Summer 21.008 15 Winter 1 0% 100/15 Winter 16.011 15 Winter 1 0% 30/15 Summer 16.012 600 Winter 1 0% 1/180 Winter 1.032 600 Winter 1 0% 1/180 Winter 1.033 600 Winter 1 0% 1.034 600 Winter 1 0%
Page 18 1 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS US/MH Name Water Level Surch'ed Depth Flooded Volume (m³) Flow / Cap. O'flow Pipe Flow Status 1.000 1 102.773-0.202 0.000 0.02 0.0 2.6 OK 1.001 2 101.585-0.183 0.000 0.08 0.0 4.5 OK 1.002 3 101.344-0.164 0.000 0.16 0.0 7.3 OK 1.003 4 101.225-0.162 0.000 0.17 0.0 15.0 OK 1.004 5 99.621-0.159 0.000 0.19 0.0 18.2 OK 1.005 6 98.559-0.280 0.000 0.15 0.0 23.8 OK 1.006 7 98.416-0.248 0.000 0.25 0.0 64.0 OK 1.007 8 97.293-0.309 0.000 0.21 0.0 63.9 OK 2.000 9 100.511-0.208 0.000 0.20 0.0 40.2 OK 2.001 10 98.516-0.197 0.000 0.26 0.0 43.4 OK 1.008 11 96.958-0.365 0.000 0.20 0.0 112.0 OK 3.000 12 99.169-0.179 0.000 0.09 0.0 7.0 OK 3.001 13 97.492-0.150 0.000 0.24 0.0 16.4 OK 1.009 14 96.429-0.357 0.000 0.23 0.0 131.4 OK 4.000 15 96.372-0.329 0.000 0.16 0.0 40.8 OK 1.010 16 95.875-0.334 0.000 0.28 0.0 172.8 OK 1.011 17 95.269-0.314 0.000 0.34 0.0 174.6 OK 1.012 18 94.780-0.345 0.000 0.25 0.0 179.8 OK 1.013 19 93.431-0.340 0.000 0.27 0.0 192.4 OK 5.000 20 97.964-0.196 0.000 0.26 0.0 34.9 OK 5.001 21 97.234-0.202 0.000 0.23 0.0 39.7 OK 5.002 22 95.842-0.267 0.000 0.18 0.0 55.4 OK 5.003 23 94.573-0.266 0.000 0.19 0.0 65.5 OK 5.004 24 93.106-0.233 0.000 0.31 0.0 78.3 OK 1.014 25 91.933-0.361 0.000 0.33 0.0 277.7 OK 1.015 26 91.130-0.379 0.000 0.29 0.0 291.7 OK 1.016 27 89.454-0.476 0.000 0.29 0.0 290.7 OK 1.017 28 89.081-0.434 0.000 0.37 0.0 292.7 OK 1.018 29 88.821-0.436 0.000 0.37 0.0 298.8 OK 1.019 30 88.484-0.500 0.000 0.24 0.0 303.7 OK 1.020 31 87.878-0.468 0.000 0.30 0.0 319.2 OK 1.021 32 87.414-0.480 0.000 0.28 0.0 340.9 OK 1.022 33 86.839-0.449 0.000 0.34 0.0 342.0 OK 6.000 34 96.128-0.181 0.000 0.51 0.0 66.8 OK 7.000 35 98.365-0.141 0.000 0.29 0.0 27.7 OK 6.001 36 95.763-0.243 0.000 0.27 0.0 118.3 OK 6.002 37 92.430-0.311 0.000 0.21 0.0 121.8 OK 8.000 38 91.576-0.299 0.000 0.24 0.0 60.8 OK 9.000 39 92.306-0.193 0.000 0.27 0.0 46.2 OK 9.001 40 91.320-0.306 0.000 0.22 0.0 58.4 OK 6.003 41 90.911-0.345 0.000 0.26 0.0 248.9 OK 1.023 42 86.612-0.402 0.000 0.58 0.0 559.0 OK 1.024 43 86.376-0.473 0.000 0.46 0.0 579.6 OK 1.025 44 86.097-0.433 0.000 0.53 0.0 583.4 OK 1.026 45 85.887-0.402 0.000 0.59 0.0 578.7 OK 1.027 46 85.252 0.102 0.000 0.58 0.0 35.4 SURCHARGED 1.028 47 84.895-0.197 0.000 0.26 17.7 17.7 OK
Page 19 1 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS US/MH Name Water Level Surch'ed Depth Flooded Volume (m³) Flow / Cap. O'flow Pipe Flow Status 1.029 48 84.793-0.197 0.000 0.24 0.0 17.7 OK 1.030 49 84.733-0.010 0.000 0.24 0.0 17.6 OK 1.031 50 84.685 0.148 0.000 0.20 0.0 17.6 SURCHARGED 10.000 51 98.771-0.149 0.000 0.24 0.0 11.9 OK 10.001 52 98.218-0.149 0.000 0.25 0.0 11.8 OK 10.002 53 98.017-0.153 0.000 0.22 0.0 16.7 OK 11.000 54 104.552-0.118 0.000 0.10 0.0 4.9 OK 12.000 55 99.777-0.218 0.000 0.36 0.0 46.1 OK 12.001 56 99.498-0.271 0.000 0.33 0.0 66.7 OK 11.001 57 99.190-0.299 0.000 0.24 0.0 82.7 OK 13.000 58 103.578-0.171 0.000 0.13 0.0 15.4 OK 11.002 59 98.689-0.281 0.000 0.30 0.0 97.6 OK 11.003 60 98.354-0.240 0.000 0.44 0.0 98.4 OK 11.004 61 98.182-0.258 0.000 0.38 0.0 115.6 OK 11.005 62 97.733-0.286 0.000 0.42 0.0 160.5 OK 11.006 63 97.486-0.287 0.000 0.42 0.0 166.3 OK 11.007 64 97.286-0.225 0.000 0.62 0.0 167.8 OK 10.003 65 97.062-0.324 0.000 0.31 0.0 183.3 OK 10.004 66 96.242-0.381 0.000 0.17 0.0 201.8 OK 14.000 67 91.839-0.184 0.000 0.31 0.0 22.1 OK 10.005 68 91.544-0.329 0.000 0.30 0.0 218.7 OK 10.006 69 90.633-0.320 0.000 0.32 0.0 290.7 OK 10.007 70 89.140-0.393 0.000 0.26 0.0 291.2 OK 10.008 71 87.947-0.326 0.000 0.43 0.0 317.5 OK 15.000 72 87.908-0.188 0.000 0.29 0.0 29.7 OK 15.001 73 87.318-0.262 0.000 0.37 0.0 114.1 OK 10.009 74 86.370-0.105 0.000 0.87 0.0 222.4 OK 10.010 75 85.132 0.132 0.000 0.34 0.0 37.5 SURCHARGED 16.000 76 96.927-0.162 0.000 0.17 0.0 19.3 OK 16.001 77 93.966-0.146 0.000 0.27 0.0 29.7 OK 16.002 78 91.676-0.119 0.000 0.45 0.0 29.8 OK 17.000 79 97.065-0.201 0.000 0.02 0.0 2.7 OK 17.001 80 95.750-0.201 0.000 0.02 0.0 2.7 OK 18.000 81 95.895-0.127 0.000 0.39 0.0 20.4 OK 18.001 82 95.393-0.228 0.000 0.13 0.0 21.5 OK 17.002 83 94.964-0.214 0.000 0.18 0.0 42.8 OK 17.003 84 92.245-0.201 0.000 0.24 0.0 49.3 OK 16.003 85 91.214-0.258 0.000 0.21 0.0 79.1 OK 16.004 86 89.723-0.314 0.000 0.20 0.0 97.2 OK 16.005 87 88.328-0.408 0.000 0.22 0.0 129.9 OK 16.006 88 87.704-0.340 0.000 0.39 0.0 135.6 OK 19.000 89 92.443-0.198 0.000 0.24 0.0 31.9 OK 19.001 90 91.628-0.186 0.000 0.31 0.0 34.9 OK 19.002 91 91.293-0.205 0.000 0.22 0.0 45.8 OK 20.000 92 94.653-0.134 0.000 0.34 0.0 29.9 OK 20.001 93 91.775-0.199 0.000 0.24 0.0 36.3 OK 20.002 94 91.220-0.187 0.000 0.30 0.0 43.1 OK
Page 20 1 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS US/MH Name Water Level Surch'ed Depth Flooded Volume (m³) Flow / Cap. O'flow Pipe Flow Status 20.003 95 90.837-0.186 0.000 0.31 0.0 46.1 OK 19.003 96 90.143-0.249 0.000 0.24 0.0 96.6 OK 19.004 97 88.052-0.297 0.000 0.25 0.0 100.4 OK 16.007 98 87.548-0.607 0.000 0.23 0.0 278.6 OK 16.008 99 87.232-0.022 0.000 0.39 0.0 51.9 OK 16.009 100 86.665-0.224 0.000 0.34 0.0 54.9 OK 16.010 101 86.261-0.211 0.000 0.40 0.0 58.6 OK 21.000 102 90.870-0.171 0.000 0.13 0.0 7.3 OK 21.001 103 90.463-0.146 0.000 0.27 0.0 16.7 OK 21.002 104 89.785-0.207 0.000 0.21 0.0 32.0 OK 22.000 105 94.491-0.152 0.000 0.23 0.0 21.2 OK 23.000 106 99.232-0.295 0.000 0.10 0.0 34.2 OK 23.001 107 96.729-0.276 0.000 0.15 0.0 53.1 OK 23.002 108 95.234-0.271 0.000 0.17 0.0 68.9 OK 23.003 109 93.219-0.225 0.000 0.33 0.0 96.2 OK 23.004 110 92.134-0.309 0.000 0.21 0.0 96.3 OK 22.001 111 91.231-0.291 0.000 0.27 0.0 149.5 OK 21.003 112 88.165-0.628 0.000 0.20 0.0 196.3 OK 21.004 113 87.995-0.603 0.000 0.24 0.0 233.2 OK 21.005 114 87.809-0.597 0.000 0.25 0.0 236.0 OK 24.000 115 91.504-0.130 0.000 0.04 0.0 2.5 OK 21.006 116 87.490-0.611 0.000 0.22 0.0 244.9 OK 25.000 117 94.500-0.159 0.000 0.18 0.0 24.2 OK 25.001 118 92.153-0.147 0.000 0.25 0.0 26.0 OK 25.002 119 91.225-0.122 0.000 0.42 0.0 32.2 OK 25.003 120 90.655-0.158 0.000 0.19 0.0 32.4 OK 21.007 121 87.142-0.575 0.000 0.28 0.0 270.0 OK 21.008 122 86.879-0.706 0.000 0.10 0.0 275.4 OK 16.011 123 85.663-0.314 0.000 0.55 0.0 334.3 OK 16.012 124 84.778 0.126 0.000 0.22 0.0 35.9 SURCHARGED 1.032 125 84.668 0.126 0.000 0.23 0.0 83.5 SURCHARGED 1.033 126 83.289-0.253 0.000 0.40 0.0 83.5 OK 1.034 127 83.017-0.225 0.000 0.50 0.0 83.5 OK
Page 21 30 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS Margin for Flood Risk Warning (mm) 300.0 Analysis Timestep 2.5 Second Increment (Extended) DTS Status OFF DVD Status ON Inertia Status ON Profile(s) Summer and Winter Duration(s) (mins) 15, 30, 60, 120, 180, 240, 360, 480, 600, 720, 960 Return Period(s) (years) 1, 30, 100 Climate Change (%) 0, 0, 30 Storm Return Period Climate Change First X Surcharge First Y Flood First Z Overflow O/F Act. Lvl Exc. 1.000 15 Winter 30 0% 1.001 15 Winter 30 0% 1.002 15 Winter 30 0% 1.003 15 Winter 30 0% 1.004 15 Winter 30 0% 100/15 Summer 1.005 15 Winter 30 0% 100/15 Summer 1.006 15 Winter 30 0% 100/15 Summer 1.007 15 Winter 30 0% 100/15 Winter 2.000 15 Winter 30 0% 2.001 15 Winter 30 0% 100/15 Winter 1.008 15 Winter 30 0% 100/15 Summer 3.000 15 Winter 30 0% 3.001 15 Winter 30 0% 100/15 Summer 1.009 15 Winter 30 0% 100/15 Summer 4.000 15 Winter 30 0% 100/15 Winter 1.010 15 Winter 30 0% 100/15 Summer 1.011 15 Winter 30 0% 100/15 Summer 1.012 15 Winter 30 0% 100/15 Summer 1.013 15 Winter 30 0% 100/15 Summer 5.000 15 Winter 30 0% 100/15 Winter 5.001 15 Winter 30 0% 5.002 15 Winter 30 0% 5.003 15 Winter 30 0% 100/15 Summer 5.004 15 Winter 30 0% 100/15 Summer 1.014 15 Winter 30 0% 100/15 Summer 1.015 15 Winter 30 0% 100/15 Summer 1.016 15 Winter 30 0% 100/15 Summer 1.017 15 Winter 30 0% 100/15 Summer 100/15 Winter 1 1.018 15 Winter 30 0% 100/15 Summer 1.019 15 Winter 30 0% 100/15 Summer 1.020 15 Winter 30 0% 100/15 Summer 1.021 15 Winter 30 0% 30/15 Winter 1.022 15 Winter 30 0% 30/15 Summer 6.000 15 Winter 30 0% 30/15 Summer 7.000 15 Winter 30 0% 100/15 Summer
Page 22 30 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS Storm Return Period Climate Change First X Surcharge First Y Flood First Z Overflow O/F Act. Lvl Exc. 6.001 15 Winter 30 0% 6.002 15 Winter 30 0% 8.000 15 Winter 30 0% 9.000 15 Winter 30 0% 100/15 Summer 9.001 15 Winter 30 0% 6.003 15 Winter 30 0% 100/15 Winter 1.023 15 Winter 30 0% 30/15 Summer 1.024 15 Winter 30 0% 30/15 Summer 1.025 15 Winter 30 0% 30/15 Summer 1.026 15 Winter 30 0% 30/15 Summer 1.027 360 Winter 30 0% 1/120 Summer 1.028 600 Winter 30 0% 100/120 Winter 66 1.029 720 Winter 30 0% 30/120 Winter 1.030 480 Winter 30 0% 30/30 Winter 1.031 480 Winter 30 0% 1/180 Winter 10.000 15 Winter 30 0% 10.001 15 Winter 30 0% 10.002 15 Winter 30 0% 11.000 15 Winter 30 0% 12.000 15 Winter 30 0% 100/15 Summer 12.001 15 Winter 30 0% 100/15 Summer 11.001 15 Winter 30 0% 100/15 Summer 13.000 15 Winter 30 0% 11.002 15 Winter 30 0% 100/15 Summer 11.003 15 Winter 30 0% 30/15 Summer 100/15 Winter 1 11.004 15 Winter 30 0% 30/15 Summer 11.005 15 Winter 30 0% 30/15 Summer 11.006 15 Winter 30 0% 30/15 Summer 11.007 15 Winter 30 0% 30/15 Summer 10.003 15 Winter 30 0% 100/15 Summer 10.004 15 Winter 30 0% 14.000 15 Winter 30 0% 100/15 Summer 10.005 15 Winter 30 0% 100/15 Summer 10.006 15 Winter 30 0% 100/15 Summer 10.007 15 Winter 30 0% 100/15 Summer 10.008 15 Winter 30 0% 30/15 Winter 15.000 15 Winter 30 0% 100/15 Summer 15.001 15 Winter 30 0% 100/15 Summer 10.009 30 Winter 30 0% 30/15 Summer 10.010 360 Winter 30 0% 1/60 Summer 16.000 15 Winter 30 0% 16.001 15 Winter 30 0% 100/15 Summer 16.002 15 Winter 30 0% 30/15 Summer 17.000 15 Winter 30 0% 17.001 15 Winter 30 0% 18.000 15 Winter 30 0% 100/15 Summer 18.001 15 Winter 30 0% 17.002 15 Winter 30 0%
Page 23 30 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS Storm Return Period Climate Change First X Surcharge First Y Flood First Z Overflow O/F Act. Lvl Exc. 17.003 15 Winter 30 0% 100/15 Summer 16.003 15 Winter 30 0% 16.004 15 Winter 30 0% 16.005 15 Winter 30 0% 100/15 Summer 16.006 15 Winter 30 0% 100/15 Summer 19.000 15 Winter 30 0% 100/15 Summer 19.001 15 Winter 30 0% 100/15 Summer 19.002 15 Winter 30 0% 20.000 15 Winter 30 0% 100/15 Summer 20.001 15 Winter 30 0% 100/15 Winter 20.002 15 Winter 30 0% 100/15 Summer 20.003 15 Winter 30 0% 100/15 Summer 19.003 15 Winter 30 0% 19.004 15 Winter 30 0% 100/15 Summer 16.007 120 Winter 30 0% 100/30 Summer 16.008 120 Winter 30 0% 30/15 Summer 16.009 120 Winter 30 0% 100/15 Summer 16.010 15 Winter 30 0% 30/15 Winter 21.000 15 Winter 30 0% 21.001 15 Winter 30 0% 100/15 Summer 21.002 15 Winter 30 0% 22.000 15 Winter 30 0% 23.000 15 Winter 30 0% 23.001 15 Winter 30 0% 23.002 15 Winter 30 0% 100/15 Summer 23.003 15 Winter 30 0% 100/15 Summer 23.004 15 Winter 30 0% 100/15 Summer 22.001 15 Winter 30 0% 100/15 Summer 21.003 15 Winter 30 0% 21.004 15 Winter 30 0% 21.005 15 Winter 30 0% 24.000 15 Winter 30 0% 21.006 15 Winter 30 0% 25.000 15 Winter 30 0% 25.001 15 Winter 30 0% 100/15 Summer 25.002 15 Winter 30 0% 30/15 Summer 25.003 15 Winter 30 0% 21.007 15 Winter 30 0% 100/15 Summer 21.008 15 Winter 30 0% 100/15 Winter 16.011 15 Winter 30 0% 30/15 Summer 16.012 480 Winter 30 0% 1/180 Winter 1.032 480 Winter 30 0% 1/180 Winter 1.033 960 Winter 30 0% 1.034 720 Winter 30 0%
Page 24 30 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS US/MH Name Water Level Surch'ed Depth Flooded Volume (m³) Flow / Cap. O'flow Pipe Flow Status 1.000 1 102.785-0.190 0.000 0.06 0.0 6.3 OK 1.001 2 101.613-0.155 0.000 0.21 0.0 12.4 OK 1.002 3 101.392-0.116 0.000 0.47 0.0 20.9 OK 1.003 4 101.277-0.110 0.000 0.51 0.0 44.0 OK 1.004 5 99.677-0.103 0.000 0.56 0.0 53.7 OK 1.005 6 98.638-0.201 0.000 0.43 0.0 70.8 OK 1.006 7 98.537-0.127 0.000 0.75 0.0 193.4 OK 1.007 8 97.420-0.182 0.000 0.64 0.0 191.1 OK 2.000 9 100.570-0.149 0.000 0.49 0.0 98.5 OK 2.001 10 98.588-0.125 0.000 0.63 0.0 106.7 OK 1.008 11 97.085-0.238 0.000 0.57 0.0 313.8 OK 3.000 12 99.195-0.153 0.000 0.22 0.0 17.1 OK 3.001 13 97.554-0.088 0.000 0.67 0.0 44.9 OK 1.009 14 96.567-0.219 0.000 0.64 0.0 370.9 OK 4.000 15 96.447-0.254 0.000 0.38 0.0 99.7 OK 1.010 16 96.035-0.174 0.000 0.78 0.0 475.6 OK 1.011 17 95.456-0.127 0.000 0.92 0.0 477.9 OK 1.012 18 94.926-0.200 0.000 0.69 0.0 485.2 OK 1.013 19 93.585-0.186 0.000 0.73 0.0 519.5 OK 5.000 20 98.036-0.124 0.000 0.63 0.0 85.6 OK 5.001 21 97.302-0.134 0.000 0.57 0.0 99.0 OK 5.002 22 95.919-0.190 0.000 0.47 0.0 143.6 OK 5.003 23 94.654-0.185 0.000 0.49 0.0 173.0 OK 5.004 24 93.231-0.108 0.000 0.83 0.0 212.1 OK 1.014 25 92.141-0.153 0.000 0.89 0.0 739.4 OK 1.015 26 91.317-0.192 0.000 0.78 0.0 779.1 OK 1.016 27 89.682-0.248 0.000 0.78 0.0 783.7 OK 1.017 28 89.362-0.153 0.000 0.99 0.0 790.3 OK 1.018 29 89.100-0.157 0.000 0.97 0.0 794.0 OK 1.019 30 88.677-0.308 0.000 0.64 0.0 803.7 OK 1.020 31 88.279-0.067 0.000 0.76 0.0 802.8 OK 1.021 32 88.007 0.113 0.000 0.69 0.0 842.6 SURCHARGED 1.022 33 87.707 0.419 0.000 0.87 0.0 883.1 SURCHARGED 6.000 34 96.451 0.142 0.000 1.19 0.0 157.7 SURCHARGED 7.000 35 98.424-0.082 0.000 0.71 0.0 67.2 OK 6.001 36 95.856-0.150 0.000 0.66 0.0 287.4 OK 6.002 37 92.521-0.220 0.000 0.51 0.0 297.7 OK 8.000 38 91.677-0.198 0.000 0.57 0.0 143.3 OK 9.000 39 92.381-0.118 0.000 0.67 0.0 113.1 OK 9.001 40 91.421-0.205 0.000 0.55 0.0 148.0 OK 6.003 41 91.037-0.219 0.000 0.64 0.0 614.3 OK 1.023 42 87.442 0.428 0.000 1.37 0.0 1311.1 SURCHARGED 1.024 43 87.106 0.257 0.000 1.05 0.0 1341.2 SURCHARGED 1.025 44 86.769 0.239 0.000 1.21 0.0 1337.1 SURCHARGED 1.026 45 86.412 0.123 0.000 1.37 0.0 1345.2 SURCHARGED 1.027 46 85.718 0.568 0.000 1.05 0.0 64.3 SURCHARGED 1.028 47 85.092 0.000 0.000 0.31 73.0 21.4 OK
Page 25 30 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS US/MH Name Water Level Surch'ed Depth Flooded Volume (m³) Flow / Cap. O'flow Pipe Flow Status 1.029 48 85.112 0.122 0.000 0.28 0.0 20.8 SURCHARGED 1.030 49 85.141 0.398 0.000 0.28 0.0 20.2 SURCHARGED 1.031 50 85.170 0.634 0.000 0.22 0.0 20.0 SURCHARGED 10.000 51 98.822-0.098 0.000 0.58 0.0 29.1 OK 10.001 52 98.270-0.097 0.000 0.62 0.0 28.9 OK 10.002 53 98.068-0.102 0.000 0.57 0.0 42.4 OK 11.000 54 104.571-0.099 0.000 0.25 0.0 11.9 OK 12.000 55 99.898-0.097 0.000 0.87 0.0 113.0 OK 12.001 56 99.644-0.125 0.000 0.85 0.0 172.9 OK 11.001 57 99.301-0.188 0.000 0.64 0.0 216.7 OK 13.000 58 103.611-0.138 0.000 0.31 0.0 37.7 OK 11.002 59 98.874-0.096 0.000 0.76 0.0 246.9 OK 11.003 60 98.676 0.082 0.000 1.12 0.0 247.2 SURCHARGED 11.004 61 98.501 0.061 0.000 0.92 0.0 281.6 SURCHARGED 11.005 62 98.157 0.139 0.000 1.00 0.0 380.1 SURCHARGED 11.006 63 97.900 0.127 0.000 1.00 0.0 394.1 SURCHARGED 11.007 64 97.631 0.120 0.000 1.46 0.0 397.9 SURCHARGED 10.003 65 97.200-0.186 0.000 0.74 0.0 435.3 OK 10.004 66 96.329-0.294 0.000 0.40 0.0 479.3 OK 14.000 67 91.923-0.100 0.000 0.76 0.0 53.5 OK 10.005 68 91.680-0.193 0.000 0.72 0.0 527.7 OK 10.006 69 90.782-0.171 0.000 0.78 0.0 701.4 OK 10.007 70 89.278-0.255 0.000 0.62 0.0 702.4 OK 10.008 71 88.288 0.015 0.000 1.02 0.0 757.4 SURCHARGED 15.000 72 87.988-0.108 0.000 0.71 0.0 72.4 OK 15.001 73 87.477-0.103 0.000 0.94 0.0 294.8 OK 10.009 74 86.878 0.403 0.000 1.18 0.0 301.9 SURCHARGED 10.010 75 85.664 0.664 0.000 0.41 0.0 45.2 SURCHARGED 16.000 76 96.966-0.123 0.000 0.42 0.0 47.4 OK 16.001 77 94.029-0.083 0.000 0.70 0.0 78.2 OK 16.002 78 91.927 0.132 0.000 1.18 0.0 78.7 SURCHARGED 17.000 79 97.077-0.189 0.000 0.06 0.0 6.6 OK 17.001 80 95.762-0.189 0.000 0.06 0.0 6.6 OK 18.000 81 95.974-0.048 0.000 0.95 0.0 49.5 OK 18.001 82 95.437-0.184 0.000 0.31 0.0 52.4 OK 17.002 83 95.026-0.152 0.000 0.48 0.0 114.6 OK 17.003 84 92.325-0.122 0.000 0.64 0.0 133.5 OK 16.003 85 91.303-0.169 0.000 0.57 0.0 210.5 OK 16.004 86 89.827-0.210 0.000 0.54 0.0 262.4 OK 16.005 87 88.486-0.250 0.000 0.62 0.0 364.8 OK 16.006 88 88.017-0.027 0.000 1.00 0.0 347.1 OK 19.000 89 92.512-0.129 0.000 0.60 0.0 78.1 OK 19.001 90 91.713-0.101 0.000 0.76 0.0 86.3 OK 19.002 91 91.361-0.137 0.000 0.55 0.0 116.8 OK 20.000 92 94.721-0.066 0.000 0.82 0.0 72.9 OK 20.001 93 91.846-0.128 0.000 0.61 0.0 90.2 OK 20.002 94 91.311-0.096 0.000 0.77 0.0 109.5 OK
Page 26 30 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS US/MH Name Water Level Surch'ed Depth Flooded Volume (m³) Flow / Cap. O'flow Pipe Flow Status 20.003 95 90.929-0.095 0.000 0.79 0.0 118.6 OK 19.003 96 90.237-0.155 0.000 0.63 0.0 250.0 OK 19.004 97 88.169-0.180 0.000 0.66 0.0 262.8 OK 16.007 98 87.793-0.362 0.000 0.22 0.0 266.3 OK 16.008 99 87.711 0.457 0.000 0.67 0.0 89.6 SURCHARGED 16.009 100 86.724-0.165 0.000 0.60 0.0 96.0 OK 16.010 101 86.514 0.042 0.000 0.75 0.0 111.0 SURCHARGED 21.000 102 90.903-0.138 0.000 0.31 0.0 17.8 OK 21.001 103 90.531-0.078 0.000 0.73 0.0 45.7 OK 21.002 104 89.862-0.129 0.000 0.60 0.0 91.4 OK 22.000 105 94.540-0.103 0.000 0.56 0.0 51.7 OK 23.000 106 99.278-0.249 0.000 0.24 0.0 83.8 OK 23.001 107 96.799-0.206 0.000 0.41 0.0 140.7 OK 23.002 108 95.311-0.194 0.000 0.46 0.0 187.8 OK 23.003 109 93.359-0.084 0.000 0.94 0.0 270.5 OK 23.004 110 92.247-0.196 0.000 0.59 0.0 268.4 OK 22.001 111 91.370-0.152 0.000 0.76 0.0 417.7 OK 21.003 112 88.381-0.412 0.000 0.56 0.0 559.2 OK 21.004 113 88.240-0.359 0.000 0.66 0.0 653.2 OK 21.005 114 88.063-0.343 0.000 0.70 0.0 666.7 OK 24.000 115 91.517-0.117 0.000 0.11 0.0 6.0 OK 21.006 116 87.720-0.381 0.000 0.62 0.0 677.8 OK 25.000 117 94.541-0.118 0.000 0.45 0.0 59.4 OK 25.001 118 92.207-0.093 0.000 0.64 0.0 64.9 OK 25.002 119 91.435 0.088 0.000 1.08 0.0 82.4 SURCHARGED 25.003 120 90.699-0.114 0.000 0.49 0.0 82.3 OK 21.007 121 87.426-0.291 0.000 0.79 0.0 753.4 OK 21.008 122 87.015-0.570 0.000 0.29 0.0 766.1 OK 16.011 123 86.405 0.428 0.000 1.44 0.0 869.5 SURCHARGED 16.012 124 85.527 0.875 0.000 0.32 0.0 53.3 SURCHARGED 1.032 125 85.188 0.646 0.000 0.24 0.0 85.9 SURCHARGED 1.033 126 83.292-0.250 0.000 0.41 0.0 85.9 OK 1.034 127 83.021-0.221 0.000 0.51 0.0 85.9 OK
Page 27 100 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS Margin for Flood Risk Warning (mm) 300.0 Analysis Timestep 2.5 Second Increment (Extended) DTS Status OFF DVD Status ON Inertia Status ON Profile(s) Summer and Winter Duration(s) (mins) 15, 30, 60, 120, 180, 240, 360, 480, 600, 720, 960 Return Period(s) (years) 1, 30, 100 Climate Change (%) 0, 0, 30 Storm Return Period Climate Change First X Surcharge First Y Flood First Z Overflow O/F Act. Lvl Exc. 1.000 15 Winter 100 +30% 1.001 15 Winter 100 +30% 1.002 15 Winter 100 +30% 1.003 15 Winter 100 +30% 1.004 15 Winter 100 +30% 100/15 Summer 1.005 15 Winter 100 +30% 100/15 Summer 1.006 15 Winter 100 +30% 100/15 Summer 1.007 15 Winter 100 +30% 100/15 Winter 2.000 15 Winter 100 +30% 2.001 15 Winter 100 +30% 100/15 Winter 1.008 15 Winter 100 +30% 100/15 Summer 3.000 15 Winter 100 +30% 3.001 15 Winter 100 +30% 100/15 Summer 1.009 15 Winter 100 +30% 100/15 Summer 4.000 15 Winter 100 +30% 100/15 Winter 1.010 15 Winter 100 +30% 100/15 Summer 1.011 15 Winter 100 +30% 100/15 Summer 1.012 15 Winter 100 +30% 100/15 Summer 1.013 15 Winter 100 +30% 100/15 Summer 5.000 15 Winter 100 +30% 100/15 Winter 5.001 15 Winter 100 +30% 5.002 15 Winter 100 +30% 5.003 15 Winter 100 +30% 100/15 Summer 5.004 15 Winter 100 +30% 100/15 Summer 1.014 15 Winter 100 +30% 100/15 Summer 1.015 15 Winter 100 +30% 100/15 Summer 1.016 15 Winter 100 +30% 100/15 Summer 1.017 15 Winter 100 +30% 100/15 Summer 100/15 Winter 1 1.018 15 Winter 100 +30% 100/15 Summer 1.019 15 Winter 100 +30% 100/15 Summer 1.020 15 Winter 100 +30% 100/15 Summer 1.021 15 Winter 100 +30% 30/15 Winter 1.022 15 Winter 100 +30% 30/15 Summer 6.000 15 Winter 100 +30% 30/15 Summer 7.000 15 Winter 100 +30% 100/15 Summer
Page 28 100 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS Storm Return Period Climate Change First X Surcharge First Y Flood First Z Overflow O/F Act. Lvl Exc. 6.001 15 Winter 100 +30% 6.002 15 Winter 100 +30% 8.000 15 Winter 100 +30% 9.000 15 Winter 100 +30% 100/15 Summer 9.001 15 Winter 100 +30% 6.003 15 Winter 100 +30% 100/15 Winter 1.023 15 Winter 100 +30% 30/15 Summer 1.024 15 Winter 100 +30% 30/15 Summer 1.025 15 Winter 100 +30% 30/15 Summer 1.026 15 Winter 100 +30% 30/15 Summer 1.027 480 Winter 100 +30% 1/120 Summer 1.028 600 Winter 100 +30% 100/120 Winter 66 1.029 600 Winter 100 +30% 30/120 Winter 1.030 600 Winter 100 +30% 30/30 Winter 1.031 600 Winter 100 +30% 1/180 Winter 10.000 15 Winter 100 +30% 10.001 15 Winter 100 +30% 10.002 15 Winter 100 +30% 11.000 15 Winter 100 +30% 12.000 15 Winter 100 +30% 100/15 Summer 12.001 15 Winter 100 +30% 100/15 Summer 11.001 15 Winter 100 +30% 100/15 Summer 13.000 15 Winter 100 +30% 11.002 15 Winter 100 +30% 100/15 Summer 11.003 15 Winter 100 +30% 30/15 Summer 100/15 Winter 1 11.004 15 Winter 100 +30% 30/15 Summer 11.005 15 Winter 100 +30% 30/15 Summer 11.006 15 Winter 100 +30% 30/15 Summer 11.007 15 Winter 100 +30% 30/15 Summer 10.003 15 Winter 100 +30% 100/15 Summer 10.004 15 Winter 100 +30% 14.000 15 Winter 100 +30% 100/15 Summer 10.005 15 Winter 100 +30% 100/15 Summer 10.006 15 Winter 100 +30% 100/15 Summer 10.007 15 Winter 100 +30% 100/15 Summer 10.008 15 Winter 100 +30% 30/15 Winter 15.000 15 Winter 100 +30% 100/15 Summer 15.001 15 Winter 100 +30% 100/15 Summer 10.009 60 Winter 100 +30% 30/15 Summer 10.010 480 Winter 100 +30% 1/60 Summer 16.000 15 Winter 100 +30% 16.001 15 Winter 100 +30% 100/15 Summer 16.002 15 Winter 100 +30% 30/15 Summer 17.000 15 Winter 100 +30% 17.001 15 Winter 100 +30% 18.000 15 Winter 100 +30% 100/15 Summer 18.001 15 Winter 100 +30% 17.002 15 Winter 100 +30%
Page 29 100 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS Storm Return Period Climate Change First X Surcharge First Y Flood First Z Overflow O/F Act. Lvl Exc. 17.003 15 Winter 100 +30% 100/15 Summer 16.003 15 Winter 100 +30% 16.004 15 Winter 100 +30% 16.005 15 Winter 100 +30% 100/15 Summer 16.006 120 Winter 100 +30% 100/15 Summer 19.000 15 Winter 100 +30% 100/15 Summer 19.001 15 Winter 100 +30% 100/15 Summer 19.002 15 Winter 100 +30% 20.000 15 Winter 100 +30% 100/15 Summer 20.001 15 Winter 100 +30% 100/15 Winter 20.002 15 Winter 100 +30% 100/15 Summer 20.003 15 Winter 100 +30% 100/15 Summer 19.003 15 Winter 100 +30% 19.004 120 Winter 100 +30% 100/15 Summer 16.007 120 Winter 100 +30% 100/30 Summer 16.008 120 Winter 100 +30% 30/15 Summer 16.009 30 Winter 100 +30% 100/15 Summer 16.010 30 Winter 100 +30% 30/15 Winter 21.000 15 Winter 100 +30% 21.001 15 Winter 100 +30% 100/15 Summer 21.002 15 Winter 100 +30% 22.000 15 Winter 100 +30% 23.000 15 Winter 100 +30% 23.001 15 Winter 100 +30% 23.002 15 Winter 100 +30% 100/15 Summer 23.003 15 Winter 100 +30% 100/15 Summer 23.004 15 Winter 100 +30% 100/15 Summer 22.001 15 Winter 100 +30% 100/15 Summer 21.003 15 Winter 100 +30% 21.004 15 Winter 100 +30% 21.005 15 Winter 100 +30% 24.000 15 Winter 100 +30% 21.006 15 Winter 100 +30% 25.000 15 Winter 100 +30% 25.001 15 Winter 100 +30% 100/15 Summer 25.002 15 Winter 100 +30% 30/15 Summer 25.003 15 Winter 100 +30% 21.007 15 Winter 100 +30% 100/15 Summer 21.008 15 Winter 100 +30% 100/15 Winter 16.011 15 Winter 100 +30% 30/15 Summer 16.012 720 Winter 100 +30% 1/180 Winter 1.032 600 Winter 100 +30% 1/180 Winter 1.033 600 Winter 100 +30% 1.034 600 Winter 100 +30%
Page 30 100 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS US/MH Name Water Level Surch'ed Depth Flooded Volume (m³) Flow / Cap. O'flow Pipe Flow Status 1.000 1 102.797-0.178 0.000 0.10 0.0 10.7 OK 1.001 2 101.636-0.132 0.000 0.36 0.0 20.8 OK 1.002 3 101.435-0.072 0.000 0.79 0.0 35.1 OK 1.003 4 101.325-0.062 0.000 0.86 0.0 73.8 OK 1.004 5 99.901 0.121 0.000 0.89 0.0 84.7 SURCHARGED 1.005 6 99.160 0.321 0.000 0.70 0.0 115.0 SURCHARGED 1.006 7 99.029 0.364 0.000 1.15 0.0 297.1 SURCHARGED 1.007 8 97.685 0.083 0.000 0.96 0.0 284.6 SURCHARGED 2.000 9 100.631-0.088 0.000 0.82 0.0 165.5 OK 2.001 10 98.816 0.103 0.000 1.03 0.0 175.5 SURCHARGED 1.008 11 97.455 0.132 0.000 0.84 0.0 462.1 SURCHARGED 3.000 12 99.219-0.129 0.000 0.37 0.0 28.7 OK 3.001 13 97.816 0.174 0.000 1.02 0.0 69.1 SURCHARGED 1.009 14 97.105 0.319 0.000 0.89 0.0 518.2 SURCHARGED 4.000 15 96.836 0.135 0.000 0.62 0.0 160.4 SURCHARGED 1.010 16 96.675 0.466 0.000 1.08 0.0 654.1 SURCHARGED 1.011 17 96.073 0.490 0.000 1.25 0.0 646.6 SURCHARGED 1.012 18 95.449 0.323 0.000 0.90 0.0 633.3 SURCHARGED 1.013 19 94.474 0.703 0.000 0.91 0.0 647.5 SURCHARGED 5.000 20 98.212 0.052 0.000 1.04 0.0 141.8 SURCHARGED 5.001 21 97.367-0.069 0.000 0.94 0.0 161.7 OK 5.002 22 95.988-0.121 0.000 0.78 0.0 237.7 OK 5.003 23 95.057 0.218 0.000 0.77 0.0 270.1 SURCHARGED 5.004 24 94.312 0.973 0.000 1.20 0.0 307.2 FLOOD RISK 1.014 25 93.317 1.023 0.000 1.14 0.0 948.9 SURCHARGED 1.015 26 92.472 0.963 0.000 0.94 0.0 937.5 SURCHARGED 1.016 27 91.174 1.244 0.000 0.95 0.0 958.7 FLOOD RISK 1.017 28 90.844 1.329 1.183 1.23 0.0 974.0 FLOOD 1.018 29 90.530 1.273 0.000 1.21 0.0 991.1 FLOOD RISK 1.019 30 90.210 1.225 0.000 0.81 0.0 1009.2 FLOOD RISK 1.020 31 89.882 1.535 0.000 1.00 0.0 1049.4 SURCHARGED 1.021 32 89.540 1.647 0.000 0.89 0.0 1081.3 SURCHARGED 1.022 33 89.160 1.873 0.000 1.08 0.0 1098.8 SURCHARGED 6.000 34 97.215 0.906 0.000 1.94 0.0 257.1 FLOOD RISK 7.000 35 98.915 0.409 0.000 1.07 0.0 101.7 SURCHARGED 6.001 36 96.005-0.001 0.000 1.00 0.0 436.4 OK 6.002 37 92.594-0.147 0.000 0.78 0.0 454.1 OK 8.000 38 91.797-0.078 0.000 0.96 0.0 240.6 OK 9.000 39 92.658 0.159 0.000 1.09 0.0 184.0 SURCHARGED 9.001 40 91.566-0.060 0.000 0.90 0.0 240.2 OK 6.003 41 91.343 0.087 0.000 0.95 0.0 920.1 SURCHARGED 1.023 42 88.785 1.771 0.000 1.90 0.0 1815.4 SURCHARGED 1.024 43 88.140 1.291 0.000 1.46 0.0 1860.5 SURCHARGED 1.025 44 87.455 0.925 0.000 1.70 0.0 1881.8 SURCHARGED 1.026 45 86.752 0.463 0.000 1.92 0.0 1882.3 SURCHARGED 1.027 46 86.343 1.193 0.000 1.40 0.0 86.2 SURCHARGED 1.028 47 85.270 0.178 0.000 0.31 132.4 21.4 SURCHARGED
Page 31 100 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS US/MH Name Water Level Surch'ed Depth Flooded Volume (m³) Flow / Cap. O'flow Pipe Flow Status 1.029 48 85.373 0.383 0.000 0.28 0.0 20.8 SURCHARGED 1.030 49 85.524 0.781 0.000 0.27 0.0 19.5 SURCHARGED 1.031 50 85.660 1.124 0.000 0.22 0.0 19.4 SURCHARGED 10.000 51 98.893-0.027 0.000 0.98 0.0 48.9 OK 10.001 52 98.357-0.010 0.000 1.00 0.0 46.8 OK 10.002 53 98.121-0.049 0.000 0.93 0.0 69.9 OK 11.000 54 104.588-0.082 0.000 0.42 0.0 20.0 OK 12.000 55 101.099 1.104 0.000 1.23 0.0 159.0 FLOOD RISK 12.001 56 100.803 1.034 0.000 1.11 0.0 226.1 SURCHARGED 11.001 57 100.598 1.109 0.000 0.79 0.0 266.9 SURCHARGED 13.000 58 103.641-0.108 0.000 0.52 0.0 63.6 OK 11.002 59 100.263 1.293 0.000 0.99 0.0 324.3 SURCHARGED 11.003 60 99.872 1.278 2.089 1.49 0.0 329.3 FLOOD 11.004 61 99.629 1.190 0.000 1.27 0.0 387.4 FLOOD RISK 11.005 62 99.021 1.003 0.000 1.39 0.0 528.6 FLOOD RISK 11.006 63 98.528 0.755 0.000 1.40 0.0 550.5 SURCHARGED 11.007 64 98.012 0.500 0.000 2.06 0.0 559.3 SURCHARGED 10.003 65 97.489 0.103 0.000 1.06 0.0 624.1 SURCHARGED 10.004 66 96.388-0.234 0.000 0.58 0.0 698.9 OK 14.000 67 92.989 0.966 0.000 1.23 0.0 86.8 SURCHARGED 10.005 68 92.868 0.995 0.000 1.01 0.0 745.0 SURCHARGED 10.006 69 91.912 0.959 0.000 1.11 0.0 998.0 SURCHARGED 10.007 70 90.178 0.645 0.000 0.89 0.0 998.2 SURCHARGED 10.008 71 89.191 0.918 0.000 1.43 0.0 1063.4 SURCHARGED 15.000 72 88.830 0.734 0.000 1.04 0.0 105.4 SURCHARGED 15.001 73 88.252 0.672 0.000 1.43 0.0 445.9 SURCHARGED 10.009 74 87.626 1.151 0.000 1.44 0.0 368.4 SURCHARGED 10.010 75 86.237 1.237 0.000 0.45 0.0 49.5 FLOOD RISK 16.000 76 97.005-0.084 0.000 0.70 0.0 79.6 OK 16.001 77 94.948 0.836 0.000 1.03 0.0 115.4 SURCHARGED 16.002 78 92.432 0.637 0.000 1.73 0.0 115.4 SURCHARGED 17.000 79 97.089-0.177 0.000 0.10 0.0 11.2 OK 17.001 80 95.774-0.177 0.000 0.10 0.0 11.0 OK 18.000 81 96.538 0.516 0.000 1.49 0.0 77.9 SURCHARGED 18.001 82 95.471-0.150 0.000 0.49 0.0 81.6 OK 17.002 83 95.079-0.099 0.000 0.75 0.0 181.0 OK 17.003 84 92.485 0.039 0.000 1.01 0.0 211.5 SURCHARGED 16.003 85 91.368-0.104 0.000 0.87 0.0 322.4 OK 16.004 86 89.905-0.132 0.000 0.83 0.0 406.3 OK 16.005 87 88.915 0.179 0.000 0.95 0.0 562.6 SURCHARGED 16.006 88 88.571 0.527 0.000 0.60 0.0 206.9 SURCHARGED 19.000 89 92.730 0.089 0.000 0.96 0.0 125.8 SURCHARGED 19.001 90 91.947 0.133 0.000 1.20 0.0 137.2 SURCHARGED 19.002 91 91.421-0.077 0.000 0.88 0.0 186.3 OK 20.000 92 95.690 0.903 0.000 1.14 0.0 101.4 SURCHARGED 20.001 93 92.009 0.035 0.000 0.84 0.0 125.4 SURCHARGED 20.002 94 91.599 0.192 0.000 1.07 0.0 152.4 SURCHARGED
Page 32 100 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL B.SWS US/MH Name Water Level Surch'ed Depth Flooded Volume (m³) Flow / Cap. O'flow Pipe Flow Status 20.003 95 91.148 0.125 0.000 1.10 0.0 164.8 SURCHARGED 19.003 96 90.308-0.084 0.000 0.94 0.0 372.3 OK 19.004 97 88.735 0.386 0.000 0.39 0.0 153.4 SURCHARGED 16.007 98 88.560 0.405 0.000 0.35 0.0 423.7 SURCHARGED 16.008 99 88.375 1.121 0.000 0.93 0.0 124.3 SURCHARGED 16.009 100 87.540 0.651 0.000 0.88 0.0 141.1 SURCHARGED 16.010 101 87.408 0.936 0.000 1.15 0.0 171.2 SURCHARGED 21.000 102 90.933-0.108 0.000 0.52 0.0 29.9 OK 21.001 103 90.795 0.186 0.000 1.14 0.0 71.2 SURCHARGED 21.002 104 89.928-0.063 0.000 0.95 0.0 144.9 OK 22.000 105 94.593-0.050 0.000 0.94 0.0 86.5 OK 23.000 106 99.320-0.207 0.000 0.40 0.0 140.9 OK 23.001 107 96.863-0.142 0.000 0.69 0.0 236.4 OK 23.002 108 95.674 0.169 0.000 0.72 0.0 292.6 SURCHARGED 23.003 109 94.645 1.201 0.000 1.41 0.0 405.7 FLOOD RISK 23.004 110 92.711 0.267 0.000 0.89 0.0 403.6 SURCHARGED 22.001 111 92.007 0.485 0.000 1.08 0.0 597.9 SURCHARGED 21.003 112 88.566-0.227 0.000 0.81 0.0 804.1 OK 21.004 113 88.460-0.138 0.000 0.98 0.0 965.3 OK 21.005 114 88.314-0.093 0.000 1.00 0.0 956.5 OK 24.000 115 91.527-0.107 0.000 0.18 0.0 10.1 OK 21.006 116 87.982-0.119 0.000 0.90 0.0 984.8 OK 25.000 117 94.583-0.076 0.000 0.76 0.0 99.8 OK 25.001 118 93.253 0.953 0.000 1.00 0.0 102.3 FLOOD RISK 25.002 119 92.298 0.951 0.000 1.65 0.0 126.4 FLOOD RISK 25.003 120 90.735-0.078 0.000 0.75 0.0 126.8 OK 21.007 121 87.822 0.105 0.000 1.16 0.0 1107.5 SURCHARGED 21.008 122 87.606 0.021 0.000 0.40 0.0 1073.0 SURCHARGED 16.011 123 87.232 1.255 0.000 2.00 0.0 1209.3 SURCHARGED 16.012 124 86.959 2.307 0.000 0.60 0.0 98.4 SURCHARGED 1.032 125 85.749 1.207 0.000 0.26 0.0 92.6 SURCHARGED 1.033 126 83.301-0.241 0.000 0.44 0.0 92.6 OK 1.034 127 83.031-0.211 0.000 0.55 0.0 92.6 OK
Date 26/01/2011 15:32 Page 1 STORM SEWER DESIGN by the Modified Rational Method Design Criteria for OUTFALL C.SWS Pipe Sizes OUTFALL B Manhole Sizes OUTFALL B FSR Rainfall Model - England and Wales Return Period (years) 2 Add Flow / Climate Change (%) 0 M5-60 (mm) 18.600 Minimum Backdrop Height 0.000 Ratio R 0.353 Maximum Backdrop Height 10.000 Maximum Rainfall (mm/hr) 100 Min Design Depth for Optimisation 1.200 Foul Sewage (l/s/ha) 0.00 Min Vel for Auto Design only (m/s) 1.00 Volumetric Runoff Coeff. 0.750 Min Slope for Optimisation (1:X) 200 Designed with Level Soffits Network Design Table for OUTFALL C.SWS Length Fall Slope (1:X) Area (ha) T.E. (mins) DWF k (mm) HYD SECT DIA (mm) 1.000 55.769 2.510 22.2 0.029 5.00 0.0 0.600 o 150 1.001 33.490 1.962 17.1 0.000 0.00 0.0 0.600 o 150 1.002 30.893 1.986 15.6 0.000 0.00 0.0 0.600 o 150 2.000 31.997 0.317 100.9 0.088 5.00 0.0 0.600 o 225 3.000 23.769 1.339 17.7 0.061 5.00 0.0 0.600 o 150 3.001 20.596 1.081 19.0 0.098 0.00 0.0 0.600 o 150 2.001 19.495 0.116 167.7 0.000 0.00 0.0 0.600 o 225 2.002 15.134 0.113 134.3 0.046 0.00 0.0 0.600 o 300 2.003 15.598 0.116 134.3 0.000 0.00 0.0 0.600 o 300 Network Results Table Rain (mm/hr) T.C. (mins) US/IL Σ Area (ha) Σ DWF Foul Add Flow Vel (m/s) Cap Flow 1.000 59.20 5.43 103.787 0.029 0.0 0.0 0.0 2.15 37.9 4.6 1.001 58.19 5.66 101.277 0.029 0.0 0.0 0.0 2.45 43.3 4.6 1.002 57.32 5.86 99.315 0.029 0.0 0.0 0.0 2.57 45.4 4.6 2.000 59.31 5.41 97.124 0.088 0.0 0.0 0.0 1.30 51.7 14.1 3.000 60.46 5.16 100.732 0.061 0.0 0.0 0.0 2.40 42.5 10.0 3.001 59.76 5.31 99.393 0.159 0.0 0.0 0.0 2.32 41.0 25.7 2.001 57.87 5.73 96.807 0.247 0.0 0.0 0.0 1.01 40.0 38.7 2.002 57.08 5.92 96.616 0.293 0.0 0.0 0.0 1.36 95.8 45.2 2.003 56.29 6.11 96.503 0.293 0.0 0.0 0.0 1.36 95.8 45.2
Date 26/01/2011 15:32 Page 2 Network Design Table for OUTFALL C.SWS Length Fall Slope (1:X) Area (ha) T.E. (mins) DWF k (mm) HYD SECT DIA (mm) 1.003 33.850 1.427 23.7 0.017 0.00 0.0 0.600 o 300 1.004 43.454 2.726 15.9 0.159 0.00 0.0 0.600 o 300 4.000 57.737 1.004 57.5 0.150 5.00 0.0 0.600 o 225 1.005 50.382 2.041 24.7 0.000 0.00 0.0 0.600 o 375 5.000 61.088 2.015 30.3 0.037 5.00 0.0 0.600 o 150 1.006 49.516 0.619 80.0 0.646 0.00 0.0 0.600 o 450 1.007 56.533 3.200 17.7 0.000 0.00 0.0 0.600 o 450 Network Results Table Rain (mm/hr) T.C. (mins) US/IL Σ Area (ha) Σ DWF Foul Add Flow Vel (m/s) Cap Flow 1.003 55.60 6.28 96.387 0.338 0.0 0.0 0.0 3.24 229.1 50.8 1.004 54.89 6.47 94.960 0.496 0.0 0.0 0.0 3.96 279.7 73.8 4.000 58.65 5.56 93.313 0.150 0.0 0.0 0.0 1.73 68.7 23.8 1.005 54.03 6.70 92.159 0.646 0.0 0.0 0.0 3.66 404.2 94.6 5.000 58.65 5.55 92.359 0.037 0.0 0.0 0.0 1.84 32.4 5.9 1.006 52.73 7.06 90.043 1.330 0.0 0.0 0.0 2.27 361.8 189.9 1.007 52.07 7.25 89.200 1.330 0.0 0.0 0.0 4.86 772.2 189.9 Free Flowing Outfall Details for OUTFALL C.SWS Outfall Pipe Number Outfall Name C. Level I. Level Min I. Level D,L (mm) W (mm) 1.007 pond 89.000 86.000 82.600 1500 0
Date 26/01/2011 15:32 Page 3 Simulation Criteria for OUTFALL C.SWS Volumetric Runoff Coeff 0.840 Foul Sewage per hectare 0.000 PIMP (% impervious) 100 Additional Flow - % of Total Flow 0.000 Areal Reduction Factor 1.000 MADD Factor * 10m³/ha Storage 2.000 Hot Start (mins) 0 Inlet Coeffiecient 0.800 Hot Start Level (mm) 0 Run Time (mins) 1920 Manhole Headloss Coeff (Global) 0.500 Output Interval (mins) 16 Number of Input Hydrographs 0 Number of Storage Structures 1 Number of Online Controls 1 Number of Time/Area Diagrams 0 Number of Offline Controls 0 Synthetic Rainfall Details Rainfall Model FSR Profile Type Winter Return Period (years) 100 Cv (Summer) 0.750 Region England and Wales Cv (Winter) 0.840 M5-60 (mm) 18.500 Storm Duration (mins) 960 Ratio R 0.354
Date 26/01/2011 15:32 Page 4 Online Controls for OUTFALL C.SWS Hydro-Brake Manhole: SC1, DS/: 1.007, Volume (m³): 10.1 Design Head 1.000 Diameter (mm) 225 Design Flow 31.5 Invert Level 89.200 Hydro-Brake Type Md5 SW Only Depth Flow Depth Flow Depth Flow Depth Flow 0.100 8.0 1.200 33.8 3.000 52.8 7.000 80.6 0.200 19.5 1.400 36.2 3.500 57.0 7.500 83.4 0.300 26.9 1.600 38.6 4.000 60.9 8.000 86.2 0.400 29.7 1.800 40.9 4.500 64.6 8.500 88.8 0.500 30.1 2.000 43.1 5.000 68.1 9.000 91.4 0.600 29.8 2.200 45.2 5.500 71.5 9.500 93.9 0.800 30.0 2.400 47.2 6.000 74.6 1.000 31.6 2.600 49.1 6.500 77.7
Date 26/01/2011 15:32 Page 5 Storage Structures for OUTFALL C.SWS Tank or Pond Manhole: SC1, DS/: 1.007 Invert Level 89.200 Depth Area (m²) Depth Area (m²) Depth Area (m²) Depth Area (m²) 0.000 400.0 1.400 1045.0 2.800 1045.0 4.200 1045.0 0.200 480.0 1.600 1045.0 3.000 1045.0 4.400 1045.0 0.400 560.0 1.800 1045.0 3.200 1045.0 4.600 1045.0 0.600 650.0 2.000 1045.0 3.400 1045.0 4.800 1045.0 0.800 745.0 2.200 1045.0 3.600 1045.0 5.000 1045.0 1.000 840.0 2.400 1045.0 3.800 1045.0 1.200 940.0 2.600 1045.0 4.000 1045.0
Date 26/01/2011 15:32 Page 6 1 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL C.SWS Margin for Flood Risk Warning (mm) 300.0 Analysis Timestep 2.5 Second Increment (Extended) DTS Status OFF DVD Status ON Inertia Status ON Profile(s) Summer and Winter Duration(s) (mins) 15, 30, 60, 120, 180, 240, 360, 480, 600, 720, 960 Return Period(s) (years) 1, 30, 100 Climate Change (%) 0, 0, 30 Storm Return Period Climate Change First X Surcharge First Y Flood First Z Overflow O/F Act. Lvl Exc. 1.000 15 Winter 1 0% 1.001 15 Winter 1 0% 1.002 15 Winter 1 0% 2.000 15 Winter 1 0% 30/15 Summer 3.000 15 Winter 1 0% 100/15 Summer 3.001 15 Winter 1 0% 30/15 Summer 100/15 Summer 3 2.001 15 Winter 1 0% 30/15 Summer 2.002 15 Winter 1 0% 100/15 Summer 2.003 15 Winter 1 0% 100/15 Summer 1.003 15 Winter 1 0% 1.004 15 Winter 1 0% 4.000 15 Winter 1 0% 100/15 Summer 1.005 15 Winter 1 0% 5.000 15 Winter 1 0% 1.006 15 Winter 1 0% 30/15 Winter 1.007 120 Winter 1 0% 30/60 Winter
Date 26/01/2011 15:32 Page 7 1 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL C.SWS US/MH Name Water Level Surch'ed Depth Flooded Volume (m³) Flow / Cap. O'flow Pipe Flow Status 1.000 1 103.818-0.119 0.000 0.09 0.0 3.5 OK 1.001 2 101.306-0.121 0.000 0.08 0.0 3.5 OK 1.002 3 99.343-0.122 0.000 0.08 0.0 3.5 OK 2.000 4 97.196-0.153 0.000 0.22 0.0 10.6 OK 3.000 5 100.776-0.106 0.000 0.19 0.0 7.5 OK 3.001 6 99.465-0.078 0.000 0.46 0.0 17.6 OK 2.001 7 96.959-0.073 0.000 0.78 0.0 28.4 OK 2.002 8 96.749-0.167 0.000 0.41 0.0 32.9 OK 2.003 9 96.637-0.166 0.000 0.41 0.0 32.8 OK 1.003 10 96.473-0.214 0.000 0.18 0.0 37.9 OK 1.004 11 95.053-0.207 0.000 0.20 0.0 53.1 OK 4.000 12 93.394-0.144 0.000 0.28 0.0 18.4 OK 1.005 13 92.270-0.264 0.000 0.19 0.0 70.8 OK 5.000 14 92.397-0.112 0.000 0.14 0.0 4.6 OK 1.006 15 90.247-0.246 0.000 0.42 0.0 138.9 OK 1.007 SC1 89.424-0.226 0.000 0.03 0.0 21.8 OK
Date 26/01/2011 15:32 Page 8 30 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL C.SWS Margin for Flood Risk Warning (mm) 300.0 Analysis Timestep 2.5 Second Increment (Extended) DTS Status OFF DVD Status ON Inertia Status ON Profile(s) Summer and Winter Duration(s) (mins) 15, 30, 60, 120, 180, 240, 360, 480, 600, 720, 960 Return Period(s) (years) 1, 30, 100 Climate Change (%) 0, 0, 30 Storm Return Period Climate Change First X Surcharge First Y Flood First Z Overflow O/F Act. Lvl Exc. 1.000 15 Winter 30 0% 1.001 15 Winter 30 0% 1.002 15 Winter 30 0% 2.000 15 Winter 30 0% 30/15 Summer 3.000 15 Winter 30 0% 100/15 Summer 3.001 15 Winter 30 0% 30/15 Summer 100/15 Summer 3 2.001 15 Winter 30 0% 30/15 Summer 2.002 15 Winter 30 0% 100/15 Summer 2.003 15 Winter 30 0% 100/15 Summer 1.003 15 Winter 30 0% 1.004 15 Winter 30 0% 4.000 15 Winter 30 0% 100/15 Summer 1.005 15 Winter 30 0% 5.000 15 Winter 30 0% 1.006 15 Winter 30 0% 30/15 Winter 1.007 120 Winter 30 0% 30/60 Winter
Date 26/01/2011 15:32 Page 9 30 year Return Period Summary of Critical Results by Maximum Level (Rank 1) for OUTFALL C.SWS US/MH Name Water Level Surch'ed Depth Flooded Volume (m³) Flow / Cap. O'flow Pipe Flow Status 1.000 1 103.836-0.101 0.000 0.23 0.0 8.5 OK 1.001 2 101.323-0.104 0.000 0.21 0.0 8.5 OK 1.002 3 99.360-0.105 0.000 0.20 0.0 8.6 OK 2.000 4 97.393 0.044 0.000 0.49 0.0 24.0 SURCHARGED 3.000 5 100.803-0.078 0.000 0.46 0.0 18.4 OK 3.001 6 99.873 0.330 0.000 1.14 0.0 43.9 SURCHARGED 2.001 7 97.312 0.280 0.000 1.87 0.0 67.5 SURCHARGED 2.002 8 96.853-0.062 0.000 0.96 0.0 77.5 OK 2.003 9 96.737-0.066 0.000 0.97 0.0 77.9 OK 1.003 10 96.524-0.163 0.000 0.43 0.0 89.8 OK 1.004 11 95.115-0.145 0.000 0.51 0.0 133.2 OK 4.000 12 93.451-0.087 0.000 0.67 0.0 44.4 OK 1.005 13 92.344-0.190 0.000 0.48 0.0 178.2 OK 5.000 14 92.421-0.088 0.000 0.35 0.0 11.1 OK 1.006 15 90.538 0.044 0.000 1.04 0.0 343.0 SURCHARGED 1.007 SC1 89.718 0.068 0.000 0.04 0.0 30.2 SURCHARGED