ANALYSIS OF THE 1998 WATER-DISTRIBUTION SYSTEM
SERVING THE DOVER TOWNSHIP AREA, NEW JERSEY:
Field Data Collection Activities and
Water Distribution System Modeling

| Node 7725 - Test Hydrant H-12 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 219.61 | 209.14 | 215.35 | 204.88 | 65.64 | 62.45 | 93.23 | 88.69 | -4.54 | 4.54 |
| 1:00 | 229.12 | 215.97 | 224.86 | 211.71 | 68.54 | 64.53 | 97.34 | 91.65 | -5.69 | 5.69 |
| 2:00 | 210.48 | 209.03 | 206.22 | 204.77 | 62.85 | 62.41 | 89.27 | 88.65 | -0.63 | 0.63 |
| 3:00 | 217.17 | 205.19 | 212.91 | 200.93 | 64.89 | 61.24 | 92.17 | 86.98 | -5.18 | 5.18 |
| 4:00 | 184.35 | 192.40 | 180.09 | 188.14 | 54.89 | 57.35 | 77.96 | 81.45 | 3.48 | 3.48 |
| 5:00 | 174.20 | 184.16 | 169.94 | 179.90 | 51.80 | 54.83 | 73.57 | 77.88 | 4.31 | 4.31 |
| 6:00 | 176.39 | 192.91 | 172.13 | 188.65 | 52.47 | 57.50 | 74.52 | 81.67 | 7.15 | 7.15 |
| 7:00 | 176.04 | 189.13 | 171.78 | 184.87 | 52.36 | 56.35 | 74.37 | 80.03 | 5.66 | 5.66 |
| 8:00 | 187.65 | 191.99 | 183.39 | 187.73 | 55.90 | 57.22 | 79.39 | 81.27 | 1.88 | 1.88 |
| 9:00 | 196.44 | 192.26 | 192.18 | 188.00 | 58.58 | 57.30 | 83.20 | 81.39 | -1.81 | 1.81 |
| 10:00 | 211.19 | 196.88 | 206.93 | 192.62 | 63.07 | 58.71 | 89.58 | 83.38 | -6.20 | 6.20 |
| 11:00 | 217.33 | 199.26 | 213.07 | 195.00 | 64.94 | 59.44 | 92.24 | 84.42 | -7.82 | 7.82 |
| 12:00 | 214.10 | 198.37 | 209.84 | 194.11 | 63.96 | 59.17 | 90.84 | 84.03 | -6.81 | 6.81 |
| 13:00 | 224.07 | 200.97 | 219.81 | 196.71 | 67.00 | 59.96 | 95.15 | 85.15 | -10.00 | 10.00 |
| 14:00 | 222.84 | 203.17 | 218.58 | 198.91 | 66.62 | 60.63 | 94.63 | 86.11 | -8.52 | 8.52 |
| 15:00 | 213.54 | 198.90 | 209.28 | 194.64 | 63.79 | 59.33 | 90.60 | 84.26 | -6.34 | 6.34 |
| 16:00 | 215.44 | 198.64 | 211.18 | 194.38 | 64.37 | 59.25 | 91.42 | 84.15 | -7.27 | 7.27 |
| 17:00 | 214.14 | 194.58 | 209.88 | 190.32 | 63.97 | 58.01 | 90.86 | 82.39 | -8.47 | 8.47 |
| 18:00 | 215.16 | 201.60 | 210.90 | 197.34 | 64.28 | 60.15 | 91.30 | 85.43 | -5.87 | 5.87 |
| 19:00 | 223.14 | 208.00 | 218.88 | 203.74 | 66.72 | 62.10 | 94.76 | 88.20 | -6.56 | 6.56 |
| 20:00 | 220.17 | 211.75 | 215.91 | 207.49 | 65.81 | 63.24 | 93.47 | 89.82 | -3.65 | 3.65 |
| 21:00 | 233.99 | 219.05 | 229.73 | 214.79 | 70.02 | 65.47 | 99.45 | 92.98 | -6.47 | 6.47 |
| 22:00 | 210.24 | 194.11 | 205.98 | 189.85 | 62.78 | 57.87 | 89.17 | 82.19 | -6.98 | 6.98 |
| 23:00 | 218.69 | 203.75 | 214.43 | 199.49 | 65.36 | 60.81 | 92.83 | 86.36 | -6.47 | 6.47 |
| 0:00 | 213.29 | 203.90 | 209.03 | 199.64 | 63.71 | 60.85 | 90.49 | 86.42 | -4.06 | 4.06 |
| 1:00 | 213.64 | 210.89 | 209.38 | 206.63 | 63.82 | 62.98 | 90.64 | 89.45 | -1.19 | 1.19 |
| 2:00 | 205.84 | 210.53 | 201.58 | 206.27 | 61.44 | 62.87 | 87.26 | 89.29 | 2.03 | 2.03 |
| 3:00 | 205.63 | 200.85 | 201.37 | 196.59 | 61.38 | 59.92 | 87.17 | 85.10 | -2.07 | 2.07 |
| 4:00 | 195.89 | 194.38 | 191.63 | 190.12 | 58.41 | 57.95 | 82.96 | 82.30 | -0.65 | 0.65 |
| 5:00 | 178.93 | 185.59 | 174.67 | 181.33 | 53.24 | 55.27 | 75.61 | 78.50 | 2.88 | 2.88 |
| 6:00 | 186.57 | 197.66 | 182.31 | 193.40 | 55.57 | 58.95 | 78.92 | 83.72 | 4.80 | 4.80 |
| 7:00 | 192.89 | 196.09 | 188.63 | 191.83 | 57.49 | 58.47 | 81.66 | 83.05 | 1.39 | 1.39 |
| 8:00 | 183.52 | 186.41 | 179.26 | 182.15 | 54.64 | 55.52 | 77.60 | 78.85 | 1.25 | 1.25 |
| 9:00 | 183.87 | 184.64 | 179.61 | 180.38 | 54.74 | 54.98 | 77.75 | 78.09 | 0.34 | 0.34 |
| 10:00 | 181.49 | 181.71 | 177.23 | 177.45 | 54.02 | 54.09 | 76.72 | 76.82 | 0.10 | 0.10 |
| 11:00 | 178.28 | 178.53 | 174.02 | 174.27 | 53.04 | 53.12 | 75.33 | 75.44 | 0.11 | 0.11 |
| 12:00 | 187.74 | 176.01 | 183.48 | 171.75 | 55.93 | 52.35 | 79.43 | 74.35 | -5.08 | 5.08 |
| 13:00 | 188.58 | 177.45 | 184.32 | 173.19 | 56.18 | 52.79 | 79.79 | 74.98 | -4.81 | 4.81 |
| 14:00 | 206.04 | 183.48 | 201.78 | 179.22 | 61.50 | 54.63 | 87.35 | 77.58 | -9.77 | 9.77 |
| 15:00 | 196.51 | 179.99 | 192.25 | 175.73 | 58.60 | 53.56 | 83.23 | 76.07 | -7.15 | 7.15 |
| 16:00 | 209.09 | 183.15 | 204.83 | 178.89 | 62.43 | 54.53 | 88.67 | 77.44 | -11.23 | 11.23 |
| 17:00 | 183.57 | 172.40 | 179.31 | 168.14 | 54.65 | 51.25 | 77.62 | 72.79 | -4.83 | 4.83 |
| 18:00 | 189.45 | 180.71 | 185.19 | 176.45 | 56.45 | 53.78 | 80.17 | 76.38 | -3.79 | 3.79 |
| 19:00 | 189.66 | 187.52 | 185.40 | 183.26 | 56.51 | 55.86 | 80.26 | 79.33 | -0.93 | 0.93 |
| 20:00 | 193.88 | 191.90 | 189.62 | 187.64 | 57.80 | 57.19 | 82.09 | 81.23 | -0.86 | 0.86 |
| 21:00 | 217.98 | 204.78 | 213.72 | 200.52 | 65.14 | 61.12 | 92.52 | 86.80 | -5.71 | 5.71 |
| 22:00 | 216.36 | 209.05 | 212.10 | 204.79 | 64.65 | 62.42 | 91.82 | 88.65 | -3.16 | 3.16 |
| 23:00 | 218.02 | 208.78 | 213.76 | 204.52 | 65.15 | 62.34 | 92.54 | 88.54 | -4.00 | 4.00 |
|
Mean:
|
-3.11 | 4.58 | ||||||||
Measured pressure are hourly averages of 1-minute
sampling data; see Appendix E for 1-minute sampling data
Simulated pressure (psi) = [simulated total
head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 4.26 ft
Difference (psi) = [measured pressure (psi)
- simulated pressure (psi)]; ABS Diff = absolute value of difference

| Node 8072 - Test Hydrant H-13 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 219.72 | 208.80 | 213.16 | 202.24 | 64.97 | 61.64 | 92.28 | 87.55 | -4.73 | 4.73 |
| 1:00 | 229.21 | 216.20 | 222.65 | 209.64 | 67.86 | 63.90 | 96.38 | 90.75 | -5.63 | 5.63 |
| 2:00 | 210.61 | 209.12 | 204.05 | 202.56 | 62.19 | 61.74 | 88.33 | 87.69 | -0.64 | 0.64 |
| 3:00 | 217.28 | 205.13 | 210.72 | 198.57 | 64.23 | 60.52 | 91.22 | 85.96 | -5.26 | 5.26 |
| 4:00 | 184.51 | 192.54 | 177.95 | 185.98 | 54.24 | 56.69 | 77.03 | 80.51 | 3.48 | 3.48 |
| 5:00 | 174.28 | 183.10 | 167.72 | 176.54 | 51.12 | 53.81 | 72.61 | 76.42 | 3.82 | 3.82 |
| 6:00 | 176.80 | 192.56 | 170.24 | 186.00 | 51.89 | 56.69 | 73.70 | 80.52 | 6.83 | 6.83 |
| 7:00 | 176.48 | 189.28 | 169.92 | 182.72 | 51.79 | 55.69 | 73.56 | 79.10 | 5.54 | 5.54 |
| 8:00 | 188.04 | 192.35 | 181.48 | 185.79 | 55.31 | 56.63 | 78.56 | 80.43 | 1.87 | 1.87 |
| 9:00 | 196.83 | 191.98 | 190.27 | 185.42 | 57.99 | 56.52 | 82.37 | 80.27 | -2.10 | 2.10 |
| 10:00 | 211.46 | 195.87 | 204.90 | 189.31 | 62.45 | 57.70 | 88.70 | 81.95 | -6.75 | 6.75 |
| 11:00 | 217.60 | 198.04 | 211.04 | 191.48 | 64.32 | 58.36 | 91.36 | 82.89 | -8.47 | 8.47 |
| 12:00 | 214.41 | 197.95 | 207.85 | 191.39 | 63.35 | 58.34 | 89.98 | 82.85 | -7.13 | 7.13 |
| 13:00 | 224.73 | 200.57 | 218.17 | 194.01 | 66.50 | 59.14 | 94.45 | 83.99 | -10.46 | 10.46 |
| 14:00 | 223.48 | 204.87 | 216.92 | 198.31 | 66.12 | 60.45 | 93.91 | 85.85 | -8.06 | 8.06 |
| 15:00 | 214.37 | 202.56 | 207.81 | 196.00 | 63.34 | 59.74 | 89.96 | 84.85 | -5.11 | 5.11 |
| 16:00 | 216.17 | 202.37 | 209.61 | 195.81 | 63.89 | 59.68 | 90.74 | 84.77 | -5.97 | 5.97 |
| 17:00 | 214.83 | 197.87 | 208.27 | 191.31 | 63.48 | 58.31 | 90.16 | 82.82 | -7.34 | 7.34 |
| 18:00 | 215.80 | 202.27 | 209.24 | 195.71 | 63.78 | 59.65 | 90.58 | 84.72 | -5.86 | 5.86 |
| 19:00 | 223.64 | 207.61 | 217.08 | 201.05 | 66.17 | 61.28 | 93.98 | 87.03 | -6.94 | 6.94 |
| 20:00 | 220.74 | 211.17 | 214.18 | 204.61 | 65.28 | 62.36 | 92.72 | 88.57 | -4.14 | 4.14 |
| 21:00 | 234.24 | 217.67 | 227.68 | 211.11 | 69.40 | 64.35 | 98.56 | 91.39 | -7.17 | 7.17 |
| 22:00 | 210.35 | 193.23 | 203.79 | 186.67 | 62.12 | 56.90 | 88.22 | 80.81 | -7.41 | 7.41 |
| 23:00 | 218.75 | - | 212.19 | - | 64.68 | 0.00 | 91.86 | - | - | - |
| 0:00 | 213.40 | - | 206.84 | - | 63.04 | 0.00 | 89.54 | - | - | - |
| 1:00 | 213.72 | - | 207.16 | - | 63.14 | 0.00 | 89.68 | - | - | - |
| 2:00 | 205.94 | - | 199.38 | - | 60.77 | 0.00 | 86.31 | - | - | - |
| 3:00 | 205.74 | - | 199.18 | - | 60.71 | 0.00 | 86.22 | - | - | - |
| 4:00 | 196.00 | - | 189.44 | - | 57.74 | 0.00 | 82.01 | - | - | - |
| 5:00 | 178.99 | - | 172.43 | - | 52.56 | 0.00 | 74.65 | - | - | - |
| 6:00 | 186.91 | - | 180.35 | - | 54.97 | 0.00 | 78.07 | - | - | - |
| 7:00 | 193.21 | - | 186.65 | - | 56.89 | 0.00 | 80.80 | - | - | - |
| 8:00 | 183.86 | - | 177.30 | - | 54.04 | 0.00 | 76.75 | - | - | - |
| 9:00 | 184.21 | - | 177.65 | - | 54.15 | 0.00 | 76.90 | - | - | - |
| 10:00 | 181.88 | - | 175.32 | - | 53.44 | 0.00 | 75.89 | - | - | - |
| 11:00 | 178.71 | - | 172.15 | - | 52.47 | 0.00 | 74.53 | - | - | - |
| 12:00 | 188.82 | - | 182.26 | - | 55.55 | 0.00 | 78.90 | - | - | - |
| 13:00 | 189.65 | - | 183.09 | - | 55.81 | 0.00 | 79.26 | - | - | - |
| 14:00 | 206.71 | - | 200.15 | - | 61.00 | 0.00 | 86.64 | - | - | - |
| 15:00 | 196.83 | 184.79 | 190.27 | 178.23 | 57.99 | 54.32 | 82.37 | 77.15 | -5.21 | 5.21 |
| 16:00 | 209.34 | 186.80 | 202.78 | 180.24 | 61.81 | 54.94 | 87.78 | 78.03 | -9.76 | 9.76 |
| 17:00 | 184.04 | 176.88 | 177.48 | 170.32 | 54.10 | 51.91 | 76.83 | 73.73 | -3.10 | 3.10 |
| 18:00 | 189.86 | 181.14 | 183.30 | 174.58 | 55.87 | 53.21 | 79.35 | 75.58 | -3.78 | 3.78 |
| 19:00 | 190.02 | 186.60 | 183.46 | 180.04 | 55.92 | 54.88 | 79.42 | 77.94 | -1.48 | 1.48 |
| 20:00 | 193.88 | 191.09 | 187.32 | 184.53 | 57.09 | 56.24 | 81.09 | 79.88 | -1.21 | 1.21 |
| 21:00 | 218.18 | 203.70 | 211.62 | 197.14 | 64.50 | 60.09 | 91.61 | 85.34 | -6.27 | 6.27 |
| 22:00 | 216.65 | 207.67 | 210.09 | 201.11 | 64.04 | 61.30 | 90.95 | 87.06 | -3.89 | 3.89 |
| 23:00 | 218.06 | 207.02 | 211.50 | 200.46 | 64.47 | 61.10 | 91.56 | 86.78 | -4.78 | 4.78 |
| Menu: | -3.74 | 5.09 | ||||||||
Measured pressure are hourly averages of 1-minute
sampling data; see Appendix E for 1-minute sampling data
-, data missing
Simulated pressure (psi) = [simulated total
head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 6.56 ft
Difference (psi) = [measured pressure (psi)
- simulated pressure (psi)]; ABS Diff = absolute value of difference
| Node 6890 - Test Hydrant AH-14 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 218.98 | 208.69 | 190.71 | 180.42 | 58.13 | 54.99 | 82.56 | 78.10 | -4.45 | 4.45 |
| 1:00 | 228.60 | 215.98 | 200.33 | 187.71 | 61.06 | 57.21 | 86.72 | 81.26 | -5.46 | 5.46 |
| 2:00 | 209.68 | 208.94 | 181.41 | 180.67 | 55.29 | 55.07 | 78.53 | 78.21 | -0.32 | 0.32 |
| 3:00 | 216.62 | 204.45 | 188.35 | 176.18 | 57.41 | 53.70 | 81.54 | 76.27 | -5.27 | 5.27 |
| 4:00 | 183.65 | 191.92 | 155.38 | 163.65 | 47.36 | 49.88 | 67.26 | 70.85 | 3.58 | 3.58 |
| 5:00 | 174.12 | 183.22 | 145.85 | 154.95 | 44.45 | 47.23 | 63.14 | 67.08 | 3.94 | 3.94 |
| 6:00 | 174.79 | 189.02 | 146.52 | 160.75 | 44.66 | 49.00 | 63.43 | 69.59 | 6.16 | 6.16 |
| 7:00 | 174.37 | 187.55 | 146.10 | 159.28 | 44.53 | 48.55 | 63.25 | 68.95 | 5.70 | 5.70 |
| 8:00 | 186.05 | 192.46 | 157.78 | 164.19 | 48.09 | 50.04 | 68.30 | 71.08 | 2.78 | 2.78 |
| 9:00 | 194.63 | 194.62 | 166.36 | 166.35 | 50.71 | 50.70 | 72.02 | 72.01 | -0.01 | 0.01 |
| 10:00 | 209.86 | 200.63 | 181.59 | 172.36 | 55.35 | 52.54 | 78.61 | 74.62 | -4.00 | 4.00 |
| 11:00 | 216.02 | 203.66 | 187.75 | 175.39 | 57.23 | 53.46 | 81.28 | 75.93 | -5.35 | 5.35 |
| 12:00 | 212.45 | 204.29 | 184.18 | 176.02 | 56.14 | 53.65 | 79.73 | 76.20 | -3.53 | 3.53 |
| 13:00 | 219.99 | 206.30 | 191.72 | 178.03 | 58.44 | 54.26 | 83.00 | 77.07 | -5.93 | 5.93 |
| 14:00 | 218.77 | 208.64 | 190.50 | 180.37 | 58.06 | 54.98 | 82.47 | 78.08 | -4.38 | 4.38 |
| 15:00 | 208.15 | 204.37 | 179.88 | 176.10 | 54.83 | 53.67 | 77.87 | 76.23 | -1.64 | 1.64 |
| 16:00 | 210.88 | 204.11 | 182.61 | 175.84 | 55.66 | 53.60 | 79.05 | 76.12 | -2.93 | 2.93 |
| 17:00 | 210.00 | 199.03 | 181.73 | 170.76 | 55.39 | 52.05 | 78.67 | 73.92 | -4.75 | 4.75 |
| 18:00 | 211.41 | 203.23 | 183.14 | 174.96 | 55.82 | 53.33 | 79.28 | 75.74 | -3.54 | 3.54 |
| 19:00 | 220.39 | 207.68 | 192.12 | 179.41 | 58.56 | 54.68 | 83.17 | 77.67 | -5.50 | 5.50 |
| 20:00 | 216.88 | 211.12 | 188.61 | 182.85 | 57.49 | 55.73 | 81.65 | 79.16 | -2.49 | 2.49 |
| 21:00 | 232.85 | 219.68 | 204.58 | 191.41 | 62.36 | 58.34 | 88.56 | 82.86 | -5.70 | 5.70 |
| 22:00 | 209.70 | 195.47 | 181.43 | 167.20 | 55.30 | 50.96 | 78.54 | 72.38 | -6.16 | 6.16 |
| 23:00 | 218.29 | 204.66 | 190.02 | 176.39 | 57.92 | 53.76 | 82.26 | 76.36 | -5.90 | 5.90 |
| 0:00 | 212.68 | 204.15 | 184.41 | 175.88 | 56.21 | 53.61 | 79.83 | 76.14 | -3.69 | 3.69 |
| 1:00 | 213.02 | 210.95 | 184.75 | 182.68 | 56.31 | 55.68 | 79.98 | 79.08 | -0.90 | 0.90 |
| 2:00 | 205.29 | 210.94 | 177.02 | 182.67 | 53.96 | 55.68 | 76.63 | 79.08 | 2.44 | 2.44 |
| 3:00 | 204.99 | 200.99 | 176.72 | 172.72 | 53.87 | 52.65 | 76.50 | 74.77 | -1.73 | 1.73 |
| 4:00 | 195.37 | 194.34 | 167.10 | 166.07 | 50.93 | 50.62 | 72.34 | 71.89 | -0.45 | 0.45 |
| 5:00 | 178.92 | 185.70 | 150.65 | 157.43 | 45.92 | 47.99 | 65.21 | 68.15 | 2.94 | 2.94 |
| 6:00 | 185.35 | 194.41 | 157.08 | 166.14 | 47.88 | 50.64 | 68.00 | 71.92 | 3.92 | 3.92 |
| 7:00 | 191.77 | 195.57 | 163.50 | 167.30 | 49.83 | 50.99 | 70.78 | 72.42 | 1.64 | 1.64 |
| 8:00 | 182.26 | 188.86 | 153.99 | 160.59 | 46.94 | 48.95 | 66.66 | 69.52 | 2.86 | 2.86 |
| 9:00 | 182.45 | 189.89 | 154.18 | 161.62 | 46.99 | 49.26 | 66.74 | 69.96 | 3.22 | 3.22 |
| 10:00 | 179.95 | 187.76 | 151.68 | 159.49 | 46.23 | 48.61 | 65.66 | 69.04 | 3.38 | 3.38 |
| 11:00 | 176.29 | 185.60 | 148.02 | 157.33 | 45.12 | 47.96 | 64.08 | 68.11 | 4.03 | 4.03 |
| 12:00 | 181.18 | 184.21 | 152.91 | 155.94 | 46.61 | 47.53 | 66.19 | 67.51 | 1.31 | 1.31 |
| 13:00 | 181.78 | 187.17 | 153.51 | 158.90 | 46.79 | 48.43 | 66.45 | 68.79 | 2.33 | 2.33 |
| 14:00 | 202.22 | 195.16 | 173.95 | 166.89 | 53.02 | 50.87 | 75.30 | 72.25 | -3.06 | 3.06 |
| 15:00 | 194.93 | 191.42 | 166.66 | 163.15 | 50.80 | 49.73 | 72.15 | 70.63 | -1.52 | 1.52 |
| 16:00 | 208.06 | 193.97 | 179.79 | 165.70 | 54.80 | 50.51 | 77.83 | 71.73 | -6.10 | 6.10 |
| 17:00 | 180.97 | 182.60 | 152.70 | 154.33 | 46.54 | 47.04 | 66.10 | 66.81 | 0.71 | 0.71 |
| 18:00 | 187.50 | 187.11 | 159.23 | 158.84 | 48.53 | 48.41 | 68.93 | 68.76 | -0.17 | 0.17 |
| 19:00 | 187.99 | 190.87 | 159.72 | 162.60 | 48.68 | 49.56 | 69.14 | 70.39 | 1.25 | 1.25 |
| 20:00 | 193.96 | 195.83 | 165.69 | 167.56 | 50.50 | 51.07 | 71.73 | 72.53 | 0.81 | 0.81 |
| 21:00 | 216.90 | 206.23 | 188.63 | 177.96 | 57.49 | 54.24 | 81.66 | 77.04 | -4.62 | 4.62 |
| 22:00 | 214.82 | 211.06 | 186.55 | 182.79 | 56.86 | 55.71 | 80.76 | 79.13 | -1.63 | 1.63 |
| 23:00 | 217.96 | 209.96 | 189.69 | 181.69 | 57.82 | 55.38 | 82.12 | 78.65 | -3.46 | 3.46 |
|
Mean: |
-1.08 |
3.28 | ||||||||
Measured pressure are hourly averages of 1-minute
sampling data; see Appendix E for 1-minute sampling data
Simulated pressure (psi) = [simulated total
head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 28.27 ft
Difference (psi) = [measured pressure (psi)
- simulated pressure (psi)]; ABS Diff = absolute value of difference

| Node 8033 - Test Hydrant H-15 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 216.78 | 204.36 | 210.60 | 198.18 | 64.19 | 60.41 | 91.17 | 85.79 | -5.38 | 5.38 |
| 1:00 | 226.43 | 211.23 | 220.25 | 205.05 | 67.13 | 62.50 | 95.34 | 88.77 | -6.58 | 6.58 |
| 2:00 | 207.66 | 204.38 | 201.48 | 198.20 | 61.41 | 60.41 | 87.22 | 85.80 | -1.42 | 1.42 |
| 3:00 | 215.30 | 200.76 | 209.12 | 194.58 | 63.74 | 59.31 | 90.53 | 84.24 | -6.29 | 6.29 |
| 4:00 | 182.58 | 188.37 | 176.40 | 182.19 | 53.77 | 55.53 | 76.36 | 78.87 | 2.51 | 2.51 |
| 5:00 | 172.61 | 179.08 | 166.43 | 172.90 | 50.73 | 52.70 | 72.05 | 74.85 | 2.80 | 2.80 |
| 6:00 | 172.75 | 184.67 | 166.57 | 178.49 | 50.77 | 54.40 | 72.11 | 77.27 | 5.16 | 5.16 |
| 7:00 | 172.26 | 183.30 | 166.08 | 177.12 | 50.62 | 53.99 | 71.90 | 76.68 | 4.78 | 4.78 |
| 8:00 | 183.36 | 187.50 | 177.18 | 181.32 | 54.01 | 55.27 | 76.70 | 78.49 | 1.79 | 1.79 |
| 9:00 | 191.81 | 189.47 | 185.63 | 183.29 | 56.58 | 55.87 | 80.36 | 79.35 | -1.01 | 1.01 |
| 10:00 | 205.80 | 194.02 | 199.62 | 187.84 | 60.84 | 57.25 | 86.41 | 81.32 | -5.10 | 5.10 |
| 11:00 | 212.26 | 197.94 | 206.08 | 191.76 | 62.81 | 58.45 | 89.21 | 83.01 | -6.20 | 6.20 |
| 12:00 | 208.93 | 198.16 | 202.75 | 191.98 | 61.80 | 58.51 | 87.77 | 83.11 | -4.67 | 4.67 |
| 13:00 | 216.39 | 200.44 | 210.21 | 194.26 | 64.07 | 59.21 | 91.00 | 84.10 | -6.90 | 6.90 |
| 14:00 | 216.43 | 199.94 | 210.25 | 193.76 | 64.09 | 59.06 | 91.02 | 83.88 | -7.14 | 7.14 |
| 15:00 | 205.98 | 198.84 | 199.80 | 192.66 | 60.90 | 58.72 | 86.49 | 83.40 | -3.09 | 3.09 |
| 16:00 | 208.43 | 198.38 | 202.25 | 192.20 | 61.64 | 58.58 | 87.55 | 83.20 | -4.35 | 4.35 |
| 17:00 | 207.41 | 193.89 | 201.23 | 187.71 | 61.34 | 57.21 | 87.11 | 81.26 | -5.85 | 5.85 |
| 18:00 | 208.77 | 197.75 | 202.59 | 191.57 | 61.75 | 58.39 | 87.70 | 82.93 | -4.77 | 4.77 |
| 19:00 | 217.89 | 202.18 | 211.71 | 196.00 | 64.53 | 59.74 | 91.65 | 84.85 | -6.80 | 6.80 |
| 20:00 | 214.54 | 206.04 | 208.36 | 199.86 | 63.51 | 60.92 | 90.20 | 86.52 | -3.68 | 3.68 |
| 21:00 | 230.46 | 214.01 | 224.28 | 207.83 | 68.36 | 63.35 | 97.09 | 89.97 | -7.13 | 7.13 |
| 22:00 | 208.50 | 191.56 | 202.32 | 185.38 | 61.67 | 56.50 | 87.58 | 80.25 | -7.33 | 7.33 |
| 23:00 | 215.97 | 200.48 | 209.79 | 194.30 | 63.94 | 59.22 | 90.82 | 84.11 | -6.71 | 6.71 |
| 0:00 | 210.62 | 199.94 | 204.44 | 193.76 | 62.31 | 59.06 | 88.50 | 83.88 | -4.62 | 4.62 |
| 1:00 | 210.94 | 206.85 | 204.76 | 200.67 | 62.41 | 61.16 | 88.64 | 86.87 | -1.77 | 1.77 |
| 2:00 | 203.07 | 206.40 | 196.89 | 200.22 | 60.01 | 61.03 | 85.23 | 86.67 | 1.44 | 1.44 |
| 3:00 | 203.58 | 197.06 | 197.40 | 190.88 | 60.17 | 58.18 | 85.45 | 82.63 | -2.82 | 2.82 |
| 4:00 | 194.26 | 190.49 | 188.08 | 184.31 | 57.33 | 56.18 | 81.42 | 79.79 | -1.63 | 1.63 |
| 5:00 | 177.46 | 181.89 | 171.28 | 175.71 | 52.21 | 53.56 | 74.15 | 76.06 | 1.92 | 1.92 |
| 6:00 | 183.36 | 190.08 | 177.18 | 183.90 | 54.01 | 56.05 | 76.70 | 79.61 | 2.91 | 2.91 |
| 7:00 | 189.41 | 190.95 | 183.23 | 184.77 | 55.85 | 56.32 | 79.32 | 79.99 | 0.67 | 0.67 |
| 8:00 | 180.20 | 184.43 | 174.02 | 178.25 | 53.04 | 54.33 | 75.33 | 77.17 | 1.83 | 1.83 |
| 9:00 | 180.02 | 184.48 | 173.84 | 178.30 | 52.99 | 54.34 | 75.25 | 77.18 | 1.93 | 1.93 |
| 10:00 | 177.55 | 181.78 | 171.37 | 175.60 | 52.23 | 53.52 | 74.19 | 76.02 | 1.83 | 1.83 |
| 11:00 | 172.96 | 178.64 | 166.78 | 172.46 | 50.83 | 52.57 | 72.20 | 74.66 | 2.46 | 2.46 |
| 12:00 | 177.55 | 177.19 | 171.37 | 171.01 | 52.23 | 52.12 | 74.19 | 74.03 | -0.16 | 0.16 |
| 13:00 | 178.43 | 180.17 | 172.25 | 173.99 | 52.50 | 53.03 | 74.57 | 75.32 | 0.75 | 0.75 |
| 14:00 | 197.81 | 187.39 | 191.63 | 181.21 | 58.41 | 55.23 | 82.96 | 78.45 | -4.51 | 4.51 |
| 15:00 | 191.63 | 185.18 | 185.45 | 179.00 | 56.52 | 54.56 | 80.28 | 77.49 | -2.79 | 2.79 |
| 16:00 | 204.48 | 187.14 | 198.30 | 180.96 | 60.44 | 55.16 | 85.84 | 78.34 | -7.51 | 7.51 |
| 17:00 | 178.52 | 177.57 | 172.34 | 171.39 | 52.53 | 52.24 | 74.61 | 74.19 | -0.41 | 0.41 |
| 18:00 | 185.30 | 182.31 | 179.12 | 176.13 | 54.60 | 53.69 | 77.54 | 76.25 | -1.29 | 1.29 |
| 19:00 | 185.86 | 186.05 | 179.68 | 179.87 | 54.77 | 54.82 | 77.78 | 77.86 | 0.08 | 0.08 |
| 20:00 | 191.51 | 190.77 | 185.33 | 184.59 | 56.49 | 56.26 | 80.23 | 79.91 | -0.32 | 0.32 |
| 21:00 | 213.90 | 202.28 | 207.72 | 196.10 | 63.31 | 59.77 | 89.92 | 84.89 | -5.03 | 5.03 |
| 22:00 | 212.26 | 206.25 | 206.08 | 200.07 | 62.81 | 60.98 | 89.21 | 86.61 | -2.60 | 2.60 |
| 23:00 | 214.98 | 205.45 | 208.80 | 199.27 | 63.64 | 60.74 | 90.39 | 86.26 | -4.13 | 4.13 |
|
Mean:
|
-2.23 | 3.60 | ||||||||
Measured pressure are hourly averages of 1-minute
sampling data; see Appendix E for 1-minute sampling data
Simulated pressure (psi) = [simulated total
head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 6.18 ft
Difference (psi) = [measured pressure (psi)
- simulated pressure (psi)]; ABS Diff = absolute value of difference
| Node 2733 - Test Hydrant H-16 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 218.36 | 207.81 | 179.70 | 169.15 | 54.77 | 51.56 | 77.79 | 73.22 | -4.57 | 4.57 |
| 1:00 | 227.64 | 214.04 | 188.98 | 175.38 | 57.60 | 53.46 | 81.81 | 75.92 | -5.89 | 5.89 |
| 2:00 | 209.94 | 206.41 | 171.28 | 167.75 | 52.21 | 51.13 | 74.15 | 72.62 | -1.53 | 1.53 |
| 3:00 | 216.35 | 201.52 | 177.69 | 162.86 | 54.16 | 49.64 | 76.92 | 70.50 | -6.42 | 6.42 |
| 4:00 | 185.22 | 190.29 | 146.56 | 151.63 | 44.67 | 46.22 | 63.45 | 65.64 | 2.19 | 2.19 |
| 5:00 | 182.29 | 185.85 | 143.63 | 147.19 | 43.78 | 44.86 | 62.18 | 63.72 | 1.54 | 1.54 |
| 6:00 | 186.54 | 193.55 | 147.88 | 154.89 | 45.07 | 47.21 | 64.02 | 67.05 | 3.04 | 3.04 |
| 7:00 | 185.89 | 192.28 | 147.23 | 153.62 | 44.88 | 46.82 | 63.74 | 66.50 | 2.76 | 2.76 |
| 8:00 | 196.53 | 196.70 | 157.87 | 158.04 | 48.12 | 48.17 | 68.34 | 68.41 | 0.07 | 0.07 |
| 9:00 | 204.77 | 199.26 | 166.11 | 160.60 | 50.63 | 48.95 | 71.91 | 69.53 | -2.38 | 2.38 |
| 10:00 | 218.78 | 203.71 | 180.12 | 165.05 | 54.90 | 50.31 | 77.97 | 71.45 | -6.52 | 6.52 |
| 11:00 | 224.87 | 207.24 | 186.21 | 168.58 | 56.76 | 51.38 | 80.61 | 72.98 | -7.63 | 7.63 |
| 12:00 | 216.91 | 201.47 | 178.25 | 162.81 | 54.33 | 49.62 | 77.16 | 70.48 | -6.68 | 6.68 |
| 13:00 | 222.12 | 202.44 | 183.46 | 163.78 | 55.92 | 49.92 | 79.42 | 70.90 | -8.52 | 8.52 |
| 14:00 | 219.47 | 203.34 | 180.81 | 164.68 | 55.11 | 50.19 | 78.27 | 71.29 | -6.98 | 6.98 |
| 15:00 | 209.20 | 199.36 | 170.54 | 160.70 | 51.98 | 48.98 | 73.83 | 69.57 | -4.26 | 4.26 |
| 16:00 | 211.90 | 198.97 | 173.24 | 160.31 | 52.80 | 48.86 | 75.00 | 69.40 | -5.60 | 5.60 |
| 17:00 | 213.98 | 197.72 | 175.32 | 159.06 | 53.44 | 48.48 | 75.89 | 68.86 | -7.04 | 7.04 |
| 18:00 | 215.36 | 204.17 | 176.70 | 165.51 | 53.86 | 50.45 | 76.49 | 71.65 | -4.84 | 4.84 |
| 19:00 | 224.36 | 209.91 | 185.70 | 171.25 | 56.60 | 52.20 | 80.39 | 74.13 | -6.26 | 6.26 |
| 20:00 | 220.71 | 214.84 | 182.05 | 176.18 | 55.49 | 53.70 | 78.81 | 76.27 | -2.54 | 2.54 |
| 21:00 | 237.17 | 220.84 | 198.51 | 182.18 | 60.51 | 55.53 | 85.93 | 78.86 | -7.07 | 7.07 |
| 22:00 | 210.05 | 194.40 | 171.39 | 155.74 | 52.24 | 47.47 | 74.20 | 67.42 | -6.78 | 6.78 |
| 23:00 | 217.76 | 203.43 | 179.10 | 164.77 | 54.59 | 50.22 | 77.53 | 71.33 | -6.20 | 6.20 |
| 0:00 | 212.68 | 203.06 | 174.02 | 164.40 | 53.04 | 50.11 | 75.33 | 71.17 | -4.16 | 4.16 |
| 1:00 | 212.78 | 209.43 | 174.12 | 170.77 | 53.07 | 52.05 | 75.37 | 73.93 | -1.45 | 1.45 |
| 2:00 | 205.30 | 208.42 | 166.64 | 169.76 | 50.79 | 51.74 | 72.14 | 73.49 | 1.35 | 1.35 |
| 3:00 | 205.41 | 198.89 | 166.75 | 160.23 | 50.83 | 48.84 | 72.19 | 69.36 | -2.82 | 2.82 |
| 4:00 | 196.23 | 191.89 | 157.57 | 153.23 | 48.03 | 46.71 | 68.21 | 66.34 | -1.88 | 1.88 |
| 5:00 | 186.72 | 188.28 | 148.06 | 149.62 | 45.13 | 45.60 | 64.10 | 64.77 | 0.68 | 0.68 |
| 6:00 | 196.21 | 198.57 | 157.55 | 159.91 | 48.02 | 48.74 | 68.20 | 69.23 | 1.02 | 1.02 |
| 7:00 | 202.00 | 200.21 | 163.34 | 161.55 | 49.79 | 49.24 | 70.71 | 69.94 | -0.77 | 0.77 |
| 8:00 | 193.23 | 194.60 | 154.57 | 155.94 | 47.11 | 47.53 | 66.91 | 67.51 | 0.59 | 0.59 |
| 9:00 | 191.82 | 195.92 | 153.16 | 157.26 | 46.68 | 47.93 | 66.30 | 68.08 | 1.78 | 1.78 |
| 10:00 | 189.24 | 194.83 | 150.58 | 156.17 | 45.90 | 47.60 | 65.18 | 67.61 | 2.42 | 2.42 |
| 11:00 | 185.34 | 190.26 | 146.68 | 151.60 | 44.71 | 46.21 | 63.50 | 65.63 | 2.13 | 2.13 |
| 12:00 | 182.13 | 183.02 | 143.47 | 144.36 | 43.73 | 44.00 | 62.11 | 62.49 | 0.39 | 0.39 |
| 13:00 | 183.01 | 186.84 | 144.35 | 148.18 | 44.00 | 45.17 | 62.49 | 64.15 | 1.66 | 1.66 |
| 14:00 | 209.36 | 197.46 | 170.70 | 158.80 | 52.03 | 48.40 | 73.90 | 68.75 | -5.15 | 5.15 |
| 15:00 | 204.19 | 195.75 | 165.53 | 157.09 | 50.45 | 47.88 | 71.66 | 68.00 | -3.65 | 3.65 |
| 16:00 | 216.72 | 194.52 | 178.06 | 155.86 | 54.27 | 47.51 | 77.08 | 67.47 | -9.61 | 9.61 |
| 17:00 | 184.94 | 182.17 | 146.28 | 143.51 | 44.59 | 43.74 | 63.33 | 62.12 | -1.20 | 1.20 |
| 18:00 | 192.10 | 188.08 | 153.44 | 149.42 | 46.77 | 45.54 | 66.42 | 64.68 | -1.74 | 1.74 |
| 19:00 | 196.67 | 195.73 | 158.01 | 157.07 | 48.16 | 47.88 | 68.40 | 68.00 | -0.40 | 0.40 |
| 20:00 | 206.45 | 205.08 | 167.79 | 166.42 | 51.14 | 50.72 | 72.64 | 72.04 | -0.60 | 0.60 |
| 21:00 | 223.21 | 209.42 | 184.55 | 170.76 | 56.25 | 52.05 | 79.89 | 73.92 | -5.97 | 5.97 |
| 22:00 | 217.90 | 213.03 | 179.24 | 174.37 | 54.63 | 53.15 | 77.59 | 75.49 | -2.11 | 2.11 |
| 23:00 | 223.46 | 210.37 | 184.80 | 171.71 | 56.33 | 52.34 | 80.00 | 74.33 | -5.67 | 5.67 |
|
Mean: |
-2.78 | 3.68 | ||||||||
Measured pressure are hourly averages
of 1-minute sampling data; see Appendix E for 1-minute sampling data
Simulated pressure (psi) = [simulated
total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface =
38.66 ft |
Difference (psi) = [measured
pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference
| Node 4551 - Test Hydrant H-17 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 216.55 | 210.07 | 127.25 | 120.77 | 38.78 | 36.81 | 55.08 | 52.28 | -2.81 | 2.81 |
| 1:00 | 225.27 | 216.17 | 135.97 | 126.87 | 41.44 | 38.67 | 58.86 | 54.92 | -3.94 | 3.94 |
| 2:00 | 208.93 | 209.73 | 119.63 | 120.43 | 36.46 | 36.71 | 51.79 | 52.13 | 0.34 | 0.34 |
| 3:00 | 215.48 | 205.34 | 126.18 | 116.04 | 38.46 | 35.37 | 54.63 | 50.23 | -4.39 | 4.39 |
| 4:00 | 185.44 | 194.51 | 96.14 | 105.21 | 29.30 | 32.07 | 41.62 | 45.54 | 3.93 | 3.93 |
| 5:00 | 190.40 | 195.80 | 101.10 | 106.50 | 30.82 | 32.46 | 43.77 | 46.10 | 2.34 | 2.34 |
| 6:00 | 200.39 | 207.57 | 111.09 | 118.27 | 33.86 | 36.05 | 48.09 | 51.20 | 3.11 | 3.11 |
| 7:00 | 199.28 | 206.50 | 109.98 | 117.20 | 33.52 | 35.72 | 47.61 | 50.74 | 3.12 | 3.12 |
| 8:00 | 207.36 | 209.99 | 118.06 | 120.69 | 35.99 | 36.79 | 51.11 | 52.25 | 1.14 | 1.14 |
| 9:00 | 214.33 | 212.66 | 125.03 | 123.36 | 38.11 | 37.60 | 54.13 | 53.40 | -0.73 | 0.73 |
| 10:00 | 226.19 | 216.59 | 136.89 | 127.29 | 41.72 | 38.80 | 59.26 | 55.10 | -4.16 | 4.16 |
| 11:00 | 232.10 | 220.52 | 142.80 | 131.22 | 43.53 | 40.00 | 61.82 | 56.81 | -5.01 | 5.01 |
| 12:00 | 219.73 | 209.90 | 130.43 | 120.60 | 39.76 | 36.76 | 56.46 | 52.21 | -4.26 | 4.26 |
| 13:00 | 224.74 | 210.86 | 135.44 | 121.56 | 41.28 | 37.05 | 58.63 | 52.63 | -6.01 | 6.01 |
| 14:00 | 222.50 | 211.95 | 133.20 | 122.65 | 40.60 | 37.38 | 57.66 | 53.09 | -4.57 | 4.57 |
| 15:00 | 213.34 | 208.78 | 124.04 | 119.48 | 37.81 | 36.42 | 53.70 | 51.72 | -1.97 | 1.97 |
| 16:00 | 215.48 | 209.05 | 126.18 | 119.75 | 38.46 | 36.50 | 54.63 | 51.84 | -2.79 | 2.79 |
| 17:00 | 223.84 | 213.35 | 134.54 | 124.05 | 41.01 | 37.81 | 58.24 | 53.70 | -4.54 | 4.54 |
| 18:00 | 224.90 | 220.53 | 135.60 | 131.23 | 41.33 | 40.00 | 58.70 | 56.81 | -1.89 | 1.89 |
| 19:00 | 232.72 | 224.41 | 143.42 | 135.11 | 43.72 | 41.18 | 62.09 | 58.49 | -3.60 | 3.60 |
| 20:00 | 229.72 | 229.20 | 140.42 | 139.90 | 42.80 | 42.64 | 60.79 | 60.56 | -0.22 | 0.22 |
| 21:00 | 243.98 | 231.59 | 154.68 | 142.29 | 47.15 | 43.37 | 66.96 | 61.60 | -5.37 | 5.37 |
| 22:00 | 209.28 | 197.66 | 119.98 | 108.36 | 36.57 | 33.03 | 51.94 | 46.91 | -5.03 | 5.03 |
| 23:00 | 215.72 | 206.07 | 126.42 | 116.77 | 38.53 | 35.59 | 54.73 | 50.55 | -4.18 | 4.18 |
| 0:00 | 211.24 | 205.34 | 121.94 | 116.04 | 37.17 | 35.37 | 52.79 | 50.23 | -2.55 | 2.55 |
| 1:00 | 211.26 | 211.57 | 121.96 | 122.27 | 37.17 | 37.27 | 52.80 | 52.93 | 0.13 | 0.13 |
| 2:00 | 204.27 | 210.74 | 114.97 | 121.44 | 35.04 | 37.02 | 49.77 | 52.57 | 2.80 | 2.80 |
| 3:00 | 204.78 | 201.79 | 115.48 | 112.49 | 35.20 | 34.29 | 49.99 | 48.70 | -1.29 | 1.29 |
| 4:00 | 196.03 | 195.19 | 106.73 | 105.89 | 32.53 | 32.28 | 46.20 | 45.84 | -0.36 | 0.36 |
| 5:00 | 194.02 | 197.75 | 104.72 | 108.45 | 31.92 | 33.06 | 45.33 | 46.95 | 1.61 | 1.61 |
| 6:00 | 208.08 | 211.24 | 118.78 | 121.94 | 36.20 | 37.17 | 51.42 | 52.79 | 1.37 | 1.37 |
| 7:00 | 212.21 | 212.92 | 122.91 | 123.62 | 37.46 | 37.68 | 53.21 | 53.51 | 0.31 | 0.31 |
| 8:00 | 204.98 | 208.40 | 115.68 | 119.10 | 35.26 | 36.30 | 50.08 | 51.56 | 1.48 | 1.48 |
| 9:00 | 201.55 | 209.75 | 112.25 | 120.45 | 34.21 | 36.71 | 48.59 | 52.14 | 3.55 | 3.55 |
| 10:00 | 199.01 | 209.62 | 109.71 | 120.32 | 33.44 | 36.67 | 47.49 | 52.09 | 4.59 | 4.59 |
| 11:00 | 194.25 | 204.91 | 104.95 | 115.61 | 31.99 | 35.24 | 45.43 | 50.05 | 4.61 | 4.61 |
| 12:00 | 185.07 | 191.69 | 95.77 | 102.39 | 29.19 | 31.21 | 41.46 | 44.33 | 2.87 | 2.87 |
| 13:00 | 186.11 | 197.00 | 96.81 | 107.70 | 29.51 | 32.83 | 41.91 | 46.62 | 4.72 | 4.72 |
| 14:00 | 217.56 | 213.96 | 128.26 | 124.66 | 39.09 | 38.00 | 55.52 | 53.97 | -1.56 | 1.56 |
| 15:00 | 213.78 | 213.07 | 124.48 | 123.77 | 37.94 | 37.72 | 53.89 | 53.58 | -0.31 | 0.31 |
| 16:00 | 224.72 | 208.72 | 135.42 | 119.42 | 41.27 | 36.40 | 58.62 | 51.70 | -6.92 | 6.92 |
| 17:00 | 188.60 | 193.70 | 99.30 | 104.40 | 30.27 | 31.82 | 42.99 | 45.20 | 2.21 | 2.21 |
| 18:00 | 196.08 | 198.01 | 106.78 | 108.71 | 32.55 | 33.13 | 46.22 | 47.06 | 0.83 | 0.83 |
| 19:00 | 207.32 | 208.77 | 118.02 | 119.47 | 35.97 | 36.41 | 51.09 | 51.72 | 0.63 | 0.63 |
| 20:00 | 216.06 | 219.91 | 126.76 | 130.61 | 38.64 | 39.81 | 54.88 | 56.54 | 1.67 | 1.67 |
| 21:00 | 231.36 | 218.19 | 142.06 | 128.89 | 43.30 | 39.29 | 61.50 | 55.80 | -5.70 | 5.70 |
| 22:00 | 221.30 | 219.67 | 132.00 | 130.37 | 40.23 | 39.74 | 57.14 | 56.44 | -0.71 | 0.71 |
| 23:00 | 226.49 | 214.89 | 137.19 | 125.59 | 41.82 | 38.28 | 59.39 | 54.37 | -5.02 | 5.02 |
| Mean: | -0.89 | 2.86 | ||||||||
Measured pressure are hourly averages of 1-minute
sampling data; see Appendix E for 1-minute sampling data
Simulated pressure (psi) = [simulated total
head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 89.30 ft
Difference (psi) = [measured pressure (psi)
- simulated pressure (psi)]; ABS Diff = absolute value of difference

| Node 3822 - Test Hydrant H-18 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 214.67 | 206.03 | 167.91 | 159.27 | 51.18 | 48.54 | 72.69 | 68.95 | -3.74 | 3.74 |
| 1:00 | 221.91 | 211.97 | 175.15 | 165.21 | 53.39 | 50.36 | 75.82 | 71.52 | -4.31 | 4.31 |
| 2:00 | 208.90 | 206.19 | 162.14 | 159.43 | 49.42 | 48.59 | 70.19 | 69.02 | -1.17 | 1.17 |
| 3:00 | 214.74 | 200.56 | 167.98 | 153.80 | 51.20 | 46.88 | 72.72 | 66.58 | -6.14 | 6.14 |
| 4:00 | 186.93 | 190.31 | 140.17 | 143.55 | 42.72 | 43.75 | 60.68 | 62.14 | 1.46 | 1.46 |
| 5:00 | 188.43 | 184.14 | 141.67 | 137.38 | 43.18 | 41.87 | 61.33 | 59.47 | -1.86 | 1.86 |
| 6:00 | 192.65 | 188.50 | 145.89 | 141.74 | 44.47 | 43.20 | 63.16 | 61.36 | -1.80 | 1.80 |
| 7:00 | 191.18 | 188.56 | 144.42 | 141.80 | 44.02 | 43.22 | 62.52 | 61.39 | -1.13 | 1.13 |
| 8:00 | 197.20 | 193.99 | 150.44 | 147.23 | 45.85 | 44.88 | 65.12 | 63.74 | -1.39 | 1.39 |
| 9:00 | 202.81 | 199.42 | 156.05 | 152.66 | 47.56 | 46.53 | 67.55 | 66.09 | -1.47 | 1.47 |
| 10:00 | 211.90 | 203.54 | 165.14 | 156.78 | 50.33 | 47.79 | 71.49 | 67.87 | -3.62 | 3.62 |
| 11:00 | 217.90 | 209.57 | 171.14 | 162.81 | 52.16 | 49.63 | 74.09 | 70.48 | -3.60 | 3.60 |
| 12:00 | 211.11 | 203.53 | 164.35 | 156.77 | 50.10 | 47.78 | 71.15 | 67.87 | -3.28 | 3.28 |
| 13:00 | 215.61 | 205.78 | 168.85 | 159.02 | 51.47 | 48.47 | 73.10 | 68.84 | -4.26 | 4.26 |
| 14:00 | 213.49 | 207.01 | 166.73 | 160.25 | 50.82 | 48.85 | 72.18 | 69.37 | -2.80 | 2.80 |
| 15:00 | 207.03 | 204.64 | 160.27 | 157.88 | 48.85 | 48.12 | 69.38 | 68.35 | -1.03 | 1.03 |
| 16:00 | 208.11 | 202.80 | 161.35 | 156.04 | 49.18 | 47.56 | 69.85 | 67.55 | -2.30 | 2.30 |
| 17:00 | 211.58 | 203.86 | 164.82 | 157.10 | 50.24 | 47.88 | 71.35 | 68.01 | -3.34 | 3.34 |
| 18:00 | 212.29 | 209.03 | 165.53 | 162.27 | 50.45 | 49.46 | 71.66 | 70.25 | -1.41 | 1.41 |
| 19:00 | 218.87 | 213.01 | 172.11 | 166.25 | 52.46 | 50.67 | 74.51 | 71.97 | -2.53 | 2.53 |
| 20:00 | 217.00 | 217.50 | 170.24 | 170.74 | 51.89 | 52.04 | 73.70 | 73.91 | 0.22 | 0.22 |
| 21:00 | 229.11 | 223.11 | 182.35 | 176.35 | 55.58 | 53.75 | 78.94 | 76.34 | -2.60 | 2.60 |
| 22:00 | 208.92 | 195.29 | 162.16 | 148.53 | 49.43 | 45.27 | 70.20 | 64.30 | -5.90 | 5.90 |
| 23:00 | 213.40 | 203.12 | 166.64 | 156.36 | 50.79 | 47.66 | 72.14 | 67.69 | -4.45 | 4.45 |
| 0:00 | 210.21 | 201.99 | 163.45 | 155.23 | 49.82 | 47.31 | 70.76 | 67.20 | -3.56 | 3.56 |
| 1:00 | 210.12 | 207.71 | 163.36 | 160.95 | 49.79 | 49.06 | 70.72 | 69.68 | -1.04 | 1.04 |
| 2:00 | 204.12 | 207.12 | 157.36 | 160.36 | 47.96 | 48.88 | 68.12 | 69.42 | 1.30 | 1.30 |
| 3:00 | 204.86 | 197.75 | 158.10 | 150.99 | 48.19 | 46.02 | 68.44 | 65.36 | -3.08 | 3.08 |
| 4:00 | 196.39 | 190.84 | 149.63 | 144.08 | 45.61 | 43.91 | 64.78 | 62.37 | -2.40 | 2.40 |
| 5:00 | 191.36 | 186.53 | 144.60 | 139.77 | 44.07 | 42.60 | 62.60 | 60.51 | -2.09 | 2.09 |
| 6:00 | 198.65 | 193.82 | 151.89 | 147.06 | 46.30 | 44.83 | 65.75 | 63.66 | -2.09 | 2.09 |
| 7:00 | 201.12 | 195.93 | 154.36 | 149.17 | 47.05 | 45.47 | 66.82 | 64.58 | -2.25 | 2.25 |
| 8:00 | 195.58 | 193.25 | 148.82 | 146.49 | 45.36 | 44.65 | 64.43 | 63.42 | -1.01 | 1.01 |
| 9:00 | 187.92 | 196.67 | 141.16 | 149.91 | 43.03 | 45.69 | 61.11 | 64.89 | 3.79 | 3.79 |
| 10:00 | 185.22 | 196.95 | 138.46 | 150.19 | 42.20 | 45.78 | 59.94 | 65.02 | 5.08 | 5.08 |
| 11:00 | 177.81 | 194.03 | 131.05 | 147.27 | 39.95 | 44.89 | 56.73 | 63.75 | 7.02 | 7.02 |
| 12:00 | 174.14 | 187.10 | 127.38 | 140.34 | 38.83 | 42.77 | 55.14 | 60.75 | 5.61 | 5.61 |
| 13:00 | 176.22 | 192.29 | 129.46 | 145.53 | 39.46 | 44.36 | 56.04 | 63.00 | 6.96 | 6.96 |
| 14:00 | 204.61 | 205.17 | 157.85 | 158.41 | 48.11 | 48.28 | 68.33 | 68.57 | 0.24 | 0.24 |
| 15:00 | 202.44 | 204.75 | 155.68 | 157.99 | 47.45 | 48.15 | 67.39 | 68.39 | 1.00 | 1.00 |
| 16:00 | 211.62 | 202.35 | 164.86 | 155.59 | 50.25 | 47.43 | 71.37 | 67.36 | -4.01 | 4.01 |
| 17:00 | 180.40 | 189.34 | 133.64 | 142.58 | 40.73 | 43.46 | 57.85 | 61.72 | 3.87 | 3.87 |
| 18:00 | 189.98 | 193.45 | 143.22 | 146.69 | 43.65 | 44.71 | 62.00 | 63.50 | 1.50 | 1.50 |
| 19:00 | 196.44 | 201.08 | 149.68 | 154.32 | 45.62 | 47.04 | 64.80 | 66.80 | 2.01 | 2.01 |
| 20:00 | 204.93 | 209.66 | 158.17 | 162.90 | 48.21 | 49.65 | 68.47 | 70.52 | 2.05 | 2.05 |
| 21:00 | 218.18 | 211.47 | 171.42 | 164.71 | 52.25 | 50.20 | 74.21 | 71.30 | -2.90 | 2.90 |
| 22:00 | 213.68 | 214.01 | 166.92 | 167.25 | 50.88 | 50.98 | 72.26 | 72.40 | 0.15 | 0.15 |
| 23:00 | 218.11 | 211.18 | 171.35 | 164.42 | 52.23 | 50.12 | 74.18 | 71.18 | -3.00 | 3.00 |
|
Mean:
|
-1.03 | 2.79 | ||||||||
Measured pressure are hourly averages of 1-minute
sampling data; see Appendix E for 1-minute sampling data
Simulated pressure (psi) = [simulated total
head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 46.76 ft
Difference (psi) = [measured pressure (psi)
- simulated pressure (psi)]; ABS Diff = absolute value of difference

| Node 4312 - Test Hydrant AH-19 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 213.54 | 203.59 | 141.76 | 131.81 | 43.21 | 40.17 | 61.37 | 57.06 | -4.31 | 4.31 |
| 1:00 | 218.55 | 208.83 | 146.77 | 137.05 | 44.74 | 41.77 | 63.54 | 59.33 | -4.21 | 4.21 |
| 2:00 | 209.87 | 204.04 | 138.09 | 132.26 | 42.09 | 40.31 | 59.78 | 57.26 | -2.52 | 2.52 |
| 3:00 | 214.40 | 198.53 | 142.62 | 126.75 | 43.47 | 38.63 | 61.74 | 54.87 | -6.87 | 6.87 |
| 4:00 | 194.04 | 188.95 | 122.26 | 117.17 | 37.27 | 35.71 | 52.93 | 50.72 | -2.20 | 2.20 |
| 5:00 | 192.86 | 179.43 | 121.08 | 107.65 | 36.91 | 32.81 | 52.42 | 46.60 | -5.82 | 5.82 |
| 6:00 | 194.02 | 179.95 | 122.24 | 108.17 | 37.26 | 32.97 | 52.92 | 46.83 | -6.09 | 6.09 |
| 7:00 | 192.03 | 181.59 | 120.25 | 109.81 | 36.65 | 33.47 | 52.06 | 47.53 | -4.52 | 4.52 |
| 8:00 | 196.33 | 185.65 | 124.55 | 113.87 | 37.96 | 34.71 | 53.92 | 49.30 | -4.62 | 4.62 |
| 9:00 | 198.82 | 191.71 | 127.04 | 119.93 | 38.72 | 36.56 | 55.00 | 51.92 | -3.08 | 3.08 |
| 10:00 | 204.54 | 194.50 | 132.76 | 122.72 | 40.47 | 37.40 | 57.47 | 53.13 | -4.35 | 4.35 |
| 11:00 | 209.06 | 199.14 | 137.28 | 127.36 | 41.84 | 38.82 | 59.43 | 55.14 | -4.30 | 4.30 |
| 12:00 | 205.79 | 194.95 | 134.01 | 123.17 | 40.85 | 37.54 | 58.01 | 53.32 | -4.69 | 4.69 |
| 13:00 | 209.11 | 197.93 | 137.33 | 126.15 | 41.86 | 38.45 | 59.45 | 54.61 | -4.84 | 4.84 |
| 14:00 | 208.40 | 198.68 | 136.62 | 126.90 | 41.64 | 38.68 | 59.14 | 54.94 | -4.20 | 4.20 |
| 15:00 | 205.10 | 196.28 | 133.32 | 124.50 | 40.63 | 37.95 | 57.71 | 53.90 | -3.82 | 3.82 |
| 16:00 | 205.56 | 192.04 | 133.78 | 120.26 | 40.78 | 36.65 | 57.91 | 52.06 | -5.85 | 5.85 |
| 17:00 | 207.33 | 195.51 | 135.55 | 123.73 | 41.32 | 37.71 | 58.68 | 53.56 | -5.12 | 5.12 |
| 18:00 | 207.86 | 200.09 | 136.08 | 128.31 | 41.48 | 39.11 | 58.91 | 55.55 | -3.36 | 3.36 |
| 19:00 | 212.13 | 203.55 | 140.35 | 131.77 | 42.78 | 40.16 | 60.76 | 57.04 | -3.72 | 3.72 |
| 20:00 | 211.63 | 208.31 | 139.85 | 136.53 | 42.63 | 41.62 | 60.54 | 59.10 | -1.43 | 1.43 |
| 21:00 | 219.82 | 214.41 | 148.04 | 142.63 | 45.12 | 43.47 | 64.09 | 61.74 | -2.34 | 2.34 |
| 22:00 | 208.83 | 192.92 | 137.05 | 121.14 | 41.77 | 36.92 | 59.33 | 52.44 | -6.89 | 6.89 |
| 23:00 | 211.74 | 200.75 | 139.96 | 128.97 | 42.66 | 39.31 | 60.59 | 55.83 | -4.76 | 4.76 |
| 0:00 | 209.92 | 199.89 | 138.14 | 128.11 | 42.10 | 39.05 | 59.80 | 55.46 | -4.34 | 4.34 |
| 1:00 | 209.78 | 205.02 | 138.00 | 133.24 | 42.06 | 40.61 | 59.74 | 57.68 | -2.06 | 2.06 |
| 2:00 | 205.16 | 205.04 | 133.38 | 133.26 | 40.66 | 40.62 | 57.74 | 57.69 | -0.05 | 0.05 |
| 3:00 | 205.33 | 196.03 | 133.55 | 124.25 | 40.70 | 37.87 | 57.81 | 53.79 | -4.03 | 4.03 |
| 4:00 | 198.86 | 188.99 | 127.08 | 117.21 | 38.74 | 35.72 | 55.01 | 50.74 | -4.28 | 4.28 |
| 5:00 | 193.81 | 181.73 | 122.03 | 109.95 | 37.19 | 33.51 | 52.83 | 47.60 | -5.23 | 5.23 |
| 6:00 | 198.47 | 184.86 | 126.69 | 113.08 | 38.62 | 34.47 | 54.85 | 48.95 | -5.89 | 5.89 |
| 7:00 | 199.28 | 186.90 | 127.50 | 115.12 | 38.86 | 35.09 | 55.19 | 49.83 | -5.36 | 5.36 |
| 8:00 | 195.38 | 186.58 | 123.60 | 114.80 | 37.67 | 34.99 | 53.51 | 49.70 | -3.81 | 3.81 |
| 9:00 | 184.23 | 189.19 | 112.45 | 117.41 | 34.28 | 35.79 | 48.68 | 50.83 | 2.15 | 2.15 |
| 10:00 | 181.40 | 188.49 | 109.62 | 116.71 | 33.41 | 35.57 | 47.45 | 50.52 | 3.07 | 3.07 |
| 11:00 | 172.07 | 184.34 | 100.29 | 112.56 | 30.57 | 34.31 | 43.42 | 48.73 | 5.31 | 5.31 |
| 12:00 | 169.83 | 178.45 | 98.05 | 106.67 | 29.89 | 32.51 | 42.45 | 46.18 | 3.73 | 3.73 |
| 13:00 | 172.37 | 182.49 | 100.59 | 110.71 | 30.66 | 33.75 | 43.55 | 47.93 | 4.38 | 4.38 |
| 14:00 | 200.46 | 192.81 | 128.68 | 121.03 | 39.22 | 36.89 | 55.70 | 52.40 | -3.31 | 3.31 |
| 15:00 | 199.05 | 192.94 | 127.27 | 121.16 | 38.79 | 36.93 | 55.09 | 52.45 | -2.64 | 2.64 |
| 16:00 | 204.77 | 191.22 | 132.99 | 119.44 | 40.54 | 36.40 | 57.57 | 51.70 | -5.87 | 5.87 |
| 17:00 | 177.22 | 181.83 | 105.44 | 110.05 | 32.14 | 33.54 | 45.64 | 47.64 | 2.00 | 2.00 |
| 18:00 | 188.39 | 186.32 | 116.61 | 114.54 | 35.54 | 34.91 | 50.48 | 49.58 | -0.90 | 0.90 |
| 19:00 | 193.67 | 192.82 | 121.89 | 121.04 | 37.15 | 36.89 | 52.77 | 52.40 | -0.37 | 0.37 |
| 20:00 | 201.17 | 200.49 | 129.39 | 128.71 | 39.44 | 39.23 | 56.01 | 55.72 | -0.29 | 0.29 |
| 21:00 | 209.85 | 203.98 | 138.07 | 132.20 | 42.08 | 40.29 | 59.77 | 57.23 | -2.54 | 2.54 |
| 22:00 | 208.26 | 207.06 | 136.48 | 135.28 | 41.60 | 41.23 | 59.08 | 58.56 | -0.52 | 0.52 |
| 23:00 | 212.02 | 205.62 | 140.24 | 133.84 | 42.74 | 40.79 | 60.71 | 57.94 | -2.77 | 2.77 |
|
Menu:
|
-2.87 | 3.73 | ||||||||
| Node 5336 - Test Hydrant H-20 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 213.90 | 210.63 | 131.22 | 127.95 | 39.99 | 39.00 | 56.80 | 55.39 | -1.41 | 1.41 |
| 1:00 | 215.90 | 215.05 | 133.22 | 132.37 | 40.61 | 40.35 | 57.67 | 57.30 | -0.37 | 0.37 |
| 2:00 | 214.15 | 211.78 | 131.47 | 129.10 | 40.07 | 39.35 | 56.91 | 55.89 | -1.02 | 1.02 |
| 3:00 | 215.37 | 205.73 | 132.69 | 123.05 | 40.44 | 37.51 | 57.44 | 53.27 | -4.17 | 4.17 |
| 4:00 | 212.86 | 198.17 | 130.18 | 115.49 | 39.68 | 35.20 | 56.35 | 50.00 | -6.36 | 6.36 |
| 5:00 | 208.22 | 182.08 | 125.54 | 99.40 | 38.26 | 30.30 | 54.35 | 43.03 | -11.31 | 11.31 |
| 6:00 | 203.72 | 181.52 | 121.04 | 98.84 | 36.89 | 30.13 | 52.40 | 42.79 | -9.61 | 9.61 |
| 7:00 | 200.03 | 186.12 | 117.35 | 103.44 | 35.77 | 31.53 | 50.80 | 44.78 | -6.02 | 6.02 |
| 8:00 | 197.53 | 189.60 | 114.85 | 106.92 | 35.01 | 32.59 | 49.72 | 46.28 | -3.44 | 3.44 |
| 9:00 | 197.14 | 195.08 | 114.46 | 112.40 | 34.89 | 34.26 | 49.55 | 48.66 | -0.89 | 0.89 |
| 10:00 | 198.99 | 196.09 | 116.31 | 113.41 | 35.45 | 34.57 | 50.35 | 49.09 | -1.26 | 1.26 |
| 11:00 | 201.34 | 198.76 | 118.66 | 116.08 | 36.17 | 35.38 | 51.37 | 50.25 | -1.12 | 1.12 |
| 12:00 | 202.17 | 196.35 | 119.49 | 113.67 | 36.42 | 34.65 | 51.73 | 49.21 | -2.52 | 2.52 |
| 13:00 | 203.97 | 202.00 | 121.29 | 119.32 | 36.97 | 36.37 | 52.51 | 51.65 | -0.85 | 0.85 |
| 14:00 | 204.87 | 203.17 | 122.19 | 120.49 | 37.24 | 36.73 | 52.90 | 52.16 | -0.74 | 0.74 |
| 15:00 | 205.13 | 203.28 | 122.45 | 120.60 | 37.32 | 36.76 | 53.01 | 52.21 | -0.80 | 0.80 |
| 16:00 | 204.94 | 200.93 | 122.26 | 118.25 | 37.27 | 36.04 | 52.93 | 51.19 | -1.74 | 1.74 |
| 17:00 | 205.15 | 201.76 | 122.47 | 119.08 | 37.33 | 36.30 | 53.02 | 51.55 | -1.47 | 1.47 |
| 18:00 | 205.52 | 204.56 | 122.84 | 121.88 | 37.44 | 37.15 | 53.18 | 52.76 | -0.41 | 0.41 |
| 19:00 | 206.74 | 206.66 | 124.06 | 123.98 | 37.81 | 37.79 | 53.71 | 53.67 | -0.03 | 0.03 |
| 20:00 | 207.87 | 209.94 | 125.19 | 127.26 | 38.16 | 38.79 | 54.20 | 55.09 | 0.90 | 0.90 |
| 21:00 | 210.71 | 214.78 | 128.03 | 132.10 | 39.02 | 40.26 | 55.42 | 57.19 | 1.76 | 1.76 |
| 22:00 | 210.18 | 201.46 | 127.50 | 118.78 | 38.86 | 36.20 | 55.19 | 51.42 | -3.78 | 3.78 |
| 23:00 | 211.50 | 207.96 | 128.82 | 125.28 | 39.26 | 38.19 | 55.76 | 54.23 | -1.53 | 1.53 |
| 0:00 | 211.13 | 207.32 | 128.45 | 124.64 | 39.15 | 37.99 | 55.60 | 53.96 | -1.65 | 1.65 |
| 1:00 | 210.80 | 211.76 | 128.12 | 129.08 | 39.05 | 39.34 | 55.46 | 55.88 | 0.41 | 0.41 |
| 2:00 | 209.86 | 212.26 | 127.18 | 129.58 | 38.76 | 39.50 | 55.05 | 56.10 | 1.04 | 1.04 |
| 3:00 | 208.61 | 203.31 | 125.93 | 120.63 | 38.38 | 36.77 | 54.52 | 52.22 | -2.29 | 2.29 |
| 4:00 | 207.46 | 198.32 | 124.78 | 115.64 | 38.03 | 35.25 | 54.02 | 50.06 | -3.95 | 3.95 |
| 5:00 | 204.32 | 187.96 | 121.64 | 105.28 | 37.08 | 32.09 | 52.66 | 45.58 | -7.08 | 7.08 |
| 6:00 | 201.41 | 187.97 | 118.73 | 105.29 | 36.19 | 32.09 | 51.40 | 45.58 | -5.82 | 5.82 |
| 7:00 | 199.66 | 191.45 | 116.98 | 108.77 | 35.65 | 33.15 | 50.64 | 47.09 | -3.55 | 3.55 |
| 8:00 | 198.20 | 192.73 | 115.52 | 110.05 | 35.21 | 33.54 | 50.01 | 47.64 | -2.37 | 2.37 |
| 9:00 | 183.16 | 194.86 | 100.48 | 112.18 | 30.63 | 34.19 | 43.50 | 48.56 | 5.06 | 5.06 |
| 10:00 | 180.09 | 192.86 | 97.41 | 110.18 | 29.69 | 33.58 | 42.17 | 47.70 | 5.53 | 5.53 |
| 11:00 | 169.08 | 188.07 | 86.40 | 105.39 | 26.33 | 32.12 | 37.40 | 45.62 | 8.22 | 8.22 |
| 12:00 | 168.20 | 184.13 | 85.52 | 101.45 | 26.07 | 30.92 | 37.02 | 43.92 | 6.90 | 6.90 |
| 13:00 | 171.00 | 187.77 | 88.32 | 105.09 | 26.92 | 32.03 | 38.23 | 45.49 | 7.26 | 7.26 |
| 14:00 | 198.78 | 197.02 | 116.10 | 114.34 | 35.39 | 34.85 | 50.26 | 49.50 | -0.76 | 0.76 |
| 15:00 | 198.00 | 198.13 | 115.32 | 115.45 | 35.15 | 35.19 | 49.92 | 49.98 | 0.06 | 0.06 |
| 16:00 | 199.61 | 196.66 | 116.93 | 113.98 | 35.64 | 34.74 | 50.62 | 49.34 | -1.28 | 1.28 |
| 17:00 | 176.28 | 189.64 | 93.60 | 106.96 | 28.53 | 32.60 | 40.52 | 46.30 | 5.79 | 5.79 |
| 18:00 | 188.65 | 193.30 | 105.97 | 110.62 | 32.30 | 33.72 | 45.87 | 47.89 | 2.01 | 2.01 |
| 19:00 | 193.03 | 197.11 | 110.35 | 114.43 | 33.64 | 34.88 | 47.77 | 49.54 | 1.76 | 1.76 |
| 20:00 | 199.66 | 202.33 | 116.98 | 119.65 | 35.65 | 36.47 | 50.64 | 51.80 | 1.16 | 1.16 |
| 21:00 | 202.03 | 206.29 | 119.35 | 123.61 | 36.38 | 37.68 | 51.67 | 53.51 | 1.84 | 1.84 |
| 22:00 | 203.79 | 209.77 | 121.11 | 127.09 | 36.91 | 38.74 | 52.43 | 55.02 | 2.59 | 2.59 |
| 23:00 | 206.67 | 209.59 | 123.99 | 126.91 | 37.79 | 38.68 | 53.68 | 54.94 | 1.26 | 1.26 |
|
Mean: |
-0.75 | 2.98 | ||||||||
| Node 4646 - Test Hydrant H-21 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 211.94 | 202.28 | 140.70 | 131.04 | 42.89 | 39.94 | 60.91 | 56.73 | -4.18 | 4.18 |
| 1:00 | 218.29 | 208.39 | 147.05 | 137.15 | 44.82 | 41.80 | 63.66 | 59.37 | -4.29 | 4.29 |
| 2:00 | 206.75 | 202.38 | 135.51 | 131.14 | 41.30 | 39.97 | 58.66 | 56.77 | -1.89 | 1.89 |
| 3:00 | 213.92 | 196.77 | 142.68 | 125.53 | 43.49 | 38.26 | 61.77 | 54.34 | -7.43 | 7.43 |
| 4:00 | 186.53 | 186.11 | 115.29 | 114.87 | 35.14 | 35.01 | 49.91 | 49.73 | -0.18 | 0.18 |
| 5:00 | 187.06 | 180.36 | 115.82 | 109.12 | 35.30 | 33.26 | 50.14 | 47.24 | -2.90 | 2.90 |
| 6:00 | 191.52 | 185.54 | 120.28 | 114.30 | 36.66 | 34.84 | 52.07 | 49.48 | -2.59 | 2.59 |
| 7:00 | 189.92 | 185.77 | 118.68 | 114.53 | 36.18 | 34.91 | 51.38 | 49.58 | -1.80 | 1.80 |
| 8:00 | 195.51 | 191.27 | 124.27 | 120.03 | 37.88 | 36.58 | 53.80 | 51.96 | -1.84 | 1.84 |
| 9:00 | 200.33 | 196.29 | 129.09 | 125.05 | 39.35 | 38.11 | 55.88 | 54.13 | -1.75 | 1.75 |
| 10:00 | 206.70 | 200.29 | 135.46 | 129.05 | 41.29 | 39.33 | 58.64 | 55.87 | -2.78 | 2.78 |
| 11:00 | 211.92 | 205.59 | 140.68 | 134.35 | 42.88 | 40.95 | 60.90 | 58.16 | -2.74 | 2.74 |
| 12:00 | 207.21 | 199.61 | 135.97 | 128.37 | 41.44 | 39.13 | 58.86 | 55.57 | -3.29 | 3.29 |
| 13:00 | 211.13 | 202.21 | 139.89 | 130.97 | 42.64 | 39.92 | 60.56 | 56.70 | -3.86 | 3.86 |
| 14:00 | 209.96 | 203.62 | 138.72 | 132.38 | 42.28 | 40.35 | 60.05 | 57.31 | -2.74 | 2.74 |
| 15:00 | 204.81 | 200.39 | 133.57 | 129.15 | 40.71 | 39.36 | 57.82 | 55.91 | -1.91 | 1.91 |
| 16:00 | 205.66 | 199.19 | 134.42 | 127.95 | 40.97 | 39.00 | 58.19 | 55.39 | -2.80 | 2.80 |
| 17:00 | 208.11 | 200.75 | 136.87 | 129.51 | 41.72 | 39.47 | 59.25 | 56.06 | -3.19 | 3.19 |
| 18:00 | 208.78 | 205.58 | 137.54 | 134.34 | 41.92 | 40.95 | 59.54 | 58.16 | -1.38 | 1.38 |
| 19:00 | 214.41 | 209.16 | 143.17 | 137.92 | 43.64 | 42.04 | 61.98 | 59.71 | -2.27 | 2.27 |
| 20:00 | 213.23 | 213.16 | 141.99 | 141.92 | 43.28 | 43.26 | 61.47 | 61.44 | -0.03 | 0.03 |
| 21:00 | 223.92 | 218.26 | 152.68 | 147.02 | 46.54 | 44.81 | 66.09 | 63.65 | -2.45 | 2.45 |
| 22:00 | 208.25 | 192.09 | 137.01 | 120.85 | 41.76 | 36.84 | 59.31 | 52.32 | -6.99 | 6.99 |
| 23:00 | 210.44 | 199.90 | 139.20 | 128.66 | 42.43 | 39.22 | 60.26 | 55.70 | -4.56 | 4.56 |
| 0:00 | 207.76 | 198.24 | 136.52 | 127.00 | 41.61 | 38.71 | 59.10 | 54.98 | -4.12 | 4.12 |
| 1:00 | 207.69 | 203.87 | 136.45 | 132.63 | 41.59 | 40.43 | 59.07 | 57.42 | -1.65 | 1.65 |
| 2:00 | 201.90 | 203.39 | 130.66 | 132.15 | 39.83 | 40.28 | 56.56 | 57.21 | 0.65 | 0.65 |
| 3:00 | 204.28 | 194.34 | 133.04 | 123.10 | 40.55 | 37.52 | 57.59 | 53.29 | -4.30 | 4.30 |
| 4:00 | 195.92 | 187.51 | 124.68 | 116.27 | 38.00 | 35.44 | 53.98 | 50.33 | -3.64 | 3.64 |
| 5:00 | 189.76 | 182.01 | 118.52 | 110.77 | 36.13 | 33.76 | 51.31 | 47.95 | -3.36 | 3.36 |
| 6:00 | 197.22 | 191.10 | 125.98 | 119.86 | 38.40 | 36.53 | 54.54 | 51.89 | -2.65 | 2.65 |
| 7:00 | 199.32 | 192.90 | 128.08 | 121.66 | 39.04 | 37.08 | 55.44 | 52.67 | -2.78 | 2.78 |
| 8:00 | 194.10 | 190.94 | 122.86 | 119.70 | 37.45 | 36.49 | 53.19 | 51.82 | -1.37 | 1.37 |
| 9:00 | 185.84 | 193.60 | 114.60 | 122.36 | 34.93 | 37.29 | 49.61 | 52.97 | 3.36 | 3.36 |
| 10:00 | 183.14 | 193.74 | 111.90 | 122.50 | 34.11 | 37.34 | 48.44 | 53.03 | 4.59 | 4.59 |
| 11:00 | 173.29 | 189.62 | 102.05 | 118.38 | 31.10 | 36.08 | 44.18 | 51.25 | 7.07 | 7.07 |
| 12:00 | 170.54 | 183.24 | 99.30 | 112.00 | 30.27 | 34.14 | 42.99 | 48.48 | 5.50 | 5.50 |
| 13:00 | 172.89 | 188.74 | 101.65 | 117.50 | 30.98 | 35.81 | 44.01 | 50.86 | 6.86 | 6.86 |
| 14:00 | 200.66 | 200.76 | 129.42 | 129.52 | 39.45 | 39.48 | 56.02 | 56.07 | 0.05 | 0.05 |
| 15:00 | 198.88 | 200.58 | 127.64 | 129.34 | 38.90 | 39.42 | 55.25 | 55.99 | 0.74 | 0.74 |
| 16:00 | 206.66 | 197.55 | 135.42 | 126.31 | 41.27 | 38.50 | 58.62 | 54.68 | -3.94 | 3.94 |
| 17:00 | 177.44 | 185.43 | 106.20 | 114.19 | 32.37 | 34.81 | 45.97 | 49.43 | 3.46 | 3.46 |
| 18:00 | 188.96 | 189.93 | 117.72 | 118.69 | 35.88 | 36.18 | 50.96 | 51.38 | 0.42 | 0.42 |
| 19:00 | 194.56 | 197.40 | 123.32 | 126.16 | 37.59 | 38.45 | 53.39 | 54.61 | 1.23 | 1.23 |
| 20:00 | 201.28 | 205.11 | 130.04 | 133.87 | 39.64 | 40.80 | 56.29 | 57.95 | 1.66 | 1.66 |
| 21:00 | 212.77 | 206.84 | 141.53 | 135.60 | 43.14 | 41.33 | 61.27 | 58.70 | -2.57 | 2.57 |
| 22:00 | 209.86 | 209.65 | 138.62 | 138.41 | 42.25 | 42.19 | 60.01 | 59.92 | -0.09 | 0.09 |
| 23:00 | 212.36 | 206.52 | 141.12 | 135.28 | 43.01 | 41.23 | 61.09 | 58.56 | -2.53 | 2.53 |
|
Mean:
|
-1.40 | 2.88 | ||||||||
Measured pressure are hourly averages of 1-minute
sampling data; see Appendix E for 1-minute sampling data
Simulated pressure (psi) = [simulated total
head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 71.24 ft
Difference (psi) = [measured pressure (psi)
- simulated pressure (psi)]; ABS Diff = absolute value of difference
| Node 8932 - AH22 -- August 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 189.81 | 181.69 | 175.64 | 167.52 | 53.53 | 51.06 | 76.03 | 72.52 | -3.51 | 3.51 |
| 1:00 | 197.47 | 191.48 | 183.30 | 177.31 | 55.87 | 54.04 | 79.35 | 76.76 | -2.59 | 2.59 |
| 2:00 | 183.76 | 187.85 | 169.59 | 173.68 | 51.69 | 52.94 | 73.42 | 75.19 | 1.77 | 1.77 |
| 3:00 | 209.98 | 186.31 | 195.81 | 172.14 | 59.68 | 52.47 | 84.77 | 74.52 | -10.25 | 10.25 |
| 4:00 | 178.04 | 176.34 | 163.87 | 162.17 | 49.95 | 49.43 | 70.94 | 70.20 | -0.74 | 0.74 |
| 5:00 | 166.43 | 166.80 | 152.26 | 152.63 | 46.41 | 46.52 | 65.91 | 66.07 | 0.16 | 0.16 |
| 6:00 | 177.35 | 175.39 | 163.18 | 161.22 | 49.74 | 49.14 | 70.64 | 69.79 | -0.85 | 0.85 |
| 7:00 | 176.40 | 173.75 | 162.23 | 159.58 | 49.45 | 48.64 | 70.23 | 69.08 | -1.15 | 1.15 |
| 8:00 | 184.78 | 179.03 | 170.61 | 164.86 | 52.00 | 50.25 | 73.86 | 71.37 | -2.49 | 2.49 |
| 9:00 | 191.19 | 181.46 | 177.02 | 167.29 | 53.96 | 50.99 | 76.63 | 72.42 | -4.21 | 4.21 |
| 10:00 | 187.43 | 177.36 | 173.26 | 163.19 | 52.81 | 49.74 | 75.00 | 70.64 | -4.36 | 4.36 |
| 11:00 | 194.08 | 181.85 | 179.91 | 167.68 | 54.84 | 51.11 | 77.88 | 72.59 | -5.30 | 5.30 |
| 12:00 | 193.32 | 183.52 | 179.15 | 169.35 | 54.60 | 51.62 | 77.55 | 73.31 | -4.24 | 4.24 |
| 13:00 | 198.02 | 188.26 | 183.85 | 174.09 | 56.04 | 53.06 | 79.59 | 75.36 | -4.23 | 4.23 |
| 14:00 | 199.73 | 190.22 | 185.56 | 176.05 | 56.56 | 53.66 | 80.33 | 76.21 | -4.12 | 4.12 |
| 15:00 | 193.29 | 187.08 | 179.12 | 172.91 | 54.60 | 52.70 | 77.54 | 74.85 | -2.69 | 2.69 |
| 16:00 | 193.94 | 183.19 | 179.77 | 169.02 | 54.79 | 51.52 | 77.82 | 73.17 | -4.65 | 4.65 |
| 17:00 | 192.14 | 179.67 | 177.97 | 165.50 | 54.25 | 50.45 | 77.04 | 71.65 | -5.40 | 5.40 |
| 18:00 | 193.09 | 182.61 | 178.92 | 168.44 | 54.53 | 51.34 | 77.45 | 72.92 | -4.53 | 4.53 |
| 19:00 | 200.65 | 186.63 | 186.48 | 172.46 | 56.84 | 52.57 | 80.73 | 74.66 | -6.07 | 6.07 |
| 20:00 | 199.50 | 191.84 | 185.33 | 177.67 | 56.49 | 54.15 | 80.23 | 76.91 | -3.32 | 3.32 |
| 21:00 | 211.48 | 199.19 | 197.31 | 185.02 | 60.14 | 56.40 | 85.41 | 80.10 | -5.32 | 5.32 |
| 22:00 | 204.07 | 185.05 | 189.90 | 170.88 | 57.88 | 52.09 | 82.21 | 73.98 | -8.23 | 8.23 |
| 23:00 | 187.87 | 190.79 | 173.70 | 176.62 | 52.94 | 53.83 | 75.19 | 76.46 | 1.26 | 1.26 |
| 0:00 | 185.42 | 177.74 | 171.25 | 163.57 | 52.20 | 49.86 | 74.14 | 70.81 | -3.33 | 3.33 |
| 1:00 | 185.75 | 187.81 | 171.58 | 173.64 | 52.30 | 52.92 | 74.28 | 75.17 | 0.89 | 0.89 |
| 2:00 | 178.41 | 188.69 | 164.24 | 174.52 | 50.06 | 53.20 | 71.10 | 75.55 | 4.45 | 4.45 |
| 3:00 | 199.25 | 183.90 | 185.08 | 169.73 | 56.41 | 51.73 | 80.12 | 73.48 | -6.64 | 6.64 |
| 4:00 | 189.51 | 177.39 | 175.34 | 163.22 | 53.44 | 49.75 | 75.90 | 70.66 | -5.25 | 5.25 |
| 5:00 | 170.91 | 169.88 | 156.74 | 155.71 | 47.77 | 47.46 | 67.85 | 67.41 | -0.44 | 0.44 |
| 6:00 | 186.19 | 181.59 | 172.02 | 167.42 | 52.43 | 51.03 | 74.47 | 72.48 | -1.99 | 1.99 |
| 7:00 | 190.15 | 181.48 | 175.98 | 167.31 | 53.64 | 51.00 | 76.18 | 72.43 | -3.75 | 3.75 |
| 8:00 | 182.82 | 178.05 | 168.65 | 163.88 | 51.40 | 49.95 | 73.01 | 70.94 | -2.06 | 2.06 |
| 9:00 | 178.41 | 177.84 | 164.24 | 163.67 | 50.06 | 49.89 | 71.10 | 70.85 | -0.24 | 0.24 |
| 10:00 | 175.85 | 174.13 | 161.68 | 159.96 | 49.28 | 48.75 | 69.99 | 69.25 | -0.74 | 0.74 |
| 11:00 | 152.84 | 160.59 | 138.67 | 146.42 | 42.27 | 44.63 | 60.03 | 63.38 | 3.35 | 3.35 |
| 12:00 | 154.82 | 159.71 | 140.65 | 145.54 | 42.87 | 44.36 | 60.89 | 63.01 | 2.12 | 2.12 |
| 13:00 | 158.03 | 165.31 | 143.86 | 151.14 | 43.85 | 46.07 | 62.28 | 65.43 | 3.15 | 3.15 |
| 14:00 | 179.61 | 172.41 | 165.44 | 158.24 | 50.43 | 48.23 | 71.62 | 68.50 | -3.12 | 3.12 |
| 15:00 | 178.66 | 173.97 | 164.49 | 159.80 | 50.14 | 48.71 | 71.21 | 69.18 | -2.03 | 2.03 |
| 16:00 | 188.68 | 173.75 | 174.51 | 159.58 | 53.19 | 48.64 | 75.54 | 69.08 | -6.46 | 6.46 |
| 17:00 | 163.80 | 168.15 | 149.63 | 153.98 | 45.61 | 46.93 | 64.78 | 66.66 | 1.88 | 1.88 |
| 18:00 | 184.82 | 178.62 | 170.65 | 164.45 | 52.02 | 50.12 | 73.88 | 71.19 | -2.69 | 2.69 |
| 19:00 | 186.69 | 176.14 | 172.52 | 161.97 | 52.59 | 49.37 | 74.69 | 70.12 | -4.57 | 4.57 |
| 20:00 | 181.64 | 181.34 | 167.47 | 167.17 | 51.04 | 50.95 | 72.50 | 72.37 | -0.13 | 0.13 |
| 21:00 | 198.16 | 189.53 | 183.99 | 175.36 | 56.08 | 53.45 | 79.65 | 75.91 | -3.74 | 3.74 |
| 22:00 | 199.39 | 195.74 | 185.22 | 181.57 | 56.45 | 55.34 | 80.18 | 78.60 | -1.58 | 1.58 |
| 23:00 | 180.83 | 194.37 | 166.66 | 180.20 | 50.80 | 54.92 | 72.15 | 78.01 | 5.86 | 5.86 |
|
Menu:
|
-2.34 | 3.37 | ||||||||
Measured pressure are hourly averages of 1-minute
sampling data; see Appendix E for 1-minute sampling data
Simulated pressure (psi) = [simulated total
head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 14.17 ft
Difference (psi) = [measured pressure (psi)
- simulated pressure (psi)]; ABS Diff = absolute value of difference

| Node 8711 - Test Hydrant H-23 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 206.72 | 195.20 | 196.22 | 184.70 | 59.81 | 56.30 | 84.95 | 79.96 | -4.99 | 4.99 |
| 1:00 | 215.88 | 201.83 | 205.38 | 191.33 | 62.60 | 58.32 | 88.91 | 82.82 | -6.09 | 6.09 |
| 2:00 | 198.55 | 196.59 | 188.05 | 186.09 | 57.32 | 56.72 | 81.41 | 80.56 | -0.85 | 0.85 |
| 3:00 | 212.54 | 194.47 | 202.04 | 183.97 | 61.58 | 56.07 | 87.46 | 79.64 | -7.82 | 7.82 |
| 4:00 | 180.67 | 184.19 | 170.17 | 173.69 | 51.87 | 52.94 | 73.67 | 75.19 | 1.52 | 1.52 |
| 5:00 | 170.38 | 174.89 | 159.88 | 164.39 | 48.73 | 50.11 | 69.21 | 71.17 | 1.95 | 1.95 |
| 6:00 | 172.04 | 179.50 | 161.54 | 169.00 | 49.24 | 51.51 | 69.93 | 73.16 | 3.23 | 3.23 |
| 7:00 | 171.39 | 178.34 | 160.89 | 167.84 | 49.04 | 51.16 | 69.65 | 72.66 | 3.01 | 3.01 |
| 8:00 | 181.29 | 183.05 | 170.79 | 172.55 | 52.06 | 52.59 | 73.94 | 74.70 | 0.76 | 0.76 |
| 9:00 | 188.65 | 185.64 | 178.15 | 175.14 | 54.30 | 53.38 | 77.12 | 75.82 | -1.31 | 1.31 |
| 10:00 | 195.25 | 187.46 | 184.75 | 176.96 | 56.31 | 53.94 | 79.98 | 76.61 | -3.37 | 3.37 |
| 11:00 | 201.83 | 191.97 | 191.33 | 181.47 | 58.32 | 55.31 | 82.83 | 78.56 | -4.27 | 4.27 |
| 12:00 | 199.94 | 193.85 | 189.44 | 183.35 | 57.74 | 55.89 | 82.01 | 79.37 | -2.63 | 2.63 |
| 13:00 | 205.50 | 197.39 | 195.00 | 186.89 | 59.44 | 56.96 | 84.42 | 80.91 | -3.51 | 3.51 |
| 14:00 | 208.27 | 198.95 | 197.77 | 188.45 | 60.28 | 57.44 | 85.61 | 81.58 | -4.04 | 4.04 |
| 15:00 | 199.08 | 196.02 | 188.58 | 185.52 | 57.48 | 56.55 | 81.64 | 80.31 | -1.33 | 1.33 |
| 16:00 | 200.88 | 194.03 | 190.38 | 183.53 | 58.03 | 55.94 | 82.42 | 79.45 | -2.97 | 2.97 |
| 17:00 | 199.64 | 190.03 | 189.14 | 179.53 | 57.65 | 54.72 | 81.88 | 77.72 | -4.16 | 4.16 |
| 18:00 | 200.91 | 192.10 | 190.41 | 181.60 | 58.04 | 55.35 | 82.43 | 78.61 | -3.81 | 3.81 |
| 19:00 | 209.82 | 195.12 | 199.32 | 184.62 | 60.75 | 56.27 | 86.28 | 79.92 | -6.36 | 6.36 |
| 20:00 | 207.21 | 198.47 | 196.71 | 187.97 | 59.96 | 57.29 | 85.15 | 81.37 | -3.78 | 3.78 |
| 21:00 | 222.28 | 205.17 | 211.78 | 194.67 | 64.55 | 59.33 | 91.68 | 84.27 | -7.41 | 7.41 |
| 22:00 | 206.17 | 190.67 | 195.67 | 180.17 | 59.64 | 54.92 | 84.71 | 78.00 | -6.71 | 6.71 |
| 23:00 | 205.50 | 196.29 | 195.00 | 185.79 | 59.44 | 56.63 | 84.42 | 80.43 | -3.99 | 3.99 |
| 0:00 | 201.18 | 191.58 | 190.68 | 181.08 | 58.12 | 55.19 | 82.55 | 78.39 | -4.16 | 4.16 |
| 1:00 | 201.48 | 198.68 | 190.98 | 188.18 | 58.21 | 57.36 | 82.68 | 81.46 | -1.21 | 1.21 |
| 2:00 | 193.55 | 198.34 | 183.05 | 187.84 | 55.79 | 57.25 | 79.24 | 81.32 | 2.07 | 2.07 |
| 3:00 | 200.79 | 192.89 | 190.29 | 182.39 | 58.00 | 55.59 | 82.38 | 78.95 | -3.42 | 3.42 |
| 4:00 | 192.12 | 186.29 | 181.62 | 175.79 | 55.36 | 53.58 | 78.62 | 76.10 | -2.52 | 2.52 |
| 5:00 | 175.18 | 178.93 | 164.68 | 168.43 | 50.19 | 51.34 | 71.29 | 72.91 | 1.62 | 1.62 |
| 6:00 | 182.42 | 185.68 | 171.92 | 175.18 | 52.40 | 53.39 | 74.43 | 75.83 | 1.41 | 1.41 |
| 7:00 | 187.68 | 185.82 | 177.18 | 175.32 | 54.01 | 53.44 | 76.70 | 75.90 | -0.81 | 0.81 |
| 8:00 | 179.17 | 182.33 | 168.67 | 171.83 | 51.41 | 52.37 | 73.02 | 74.38 | 1.37 | 1.37 |
| 9:00 | 177.81 | 182.46 | 167.31 | 171.96 | 51.00 | 52.41 | 72.43 | 74.44 | 2.02 | 2.02 |
| 10:00 | 175.32 | 180.44 | 164.82 | 169.94 | 50.24 | 51.80 | 71.35 | 73.57 | 2.22 | 2.22 |
| 11:00 | 164.54 | 174.61 | 154.04 | 164.11 | 46.95 | 50.02 | 66.68 | 71.04 | 4.36 | 4.36 |
| 12:00 | 166.73 | 173.45 | 156.23 | 162.95 | 47.62 | 49.67 | 67.63 | 70.54 | 2.91 | 2.91 |
| 13:00 | 168.39 | 177.72 | 157.89 | 167.22 | 48.13 | 50.97 | 68.35 | 72.39 | 4.04 | 4.04 |
| 14:00 | 186.58 | 183.55 | 176.08 | 173.05 | 53.67 | 52.75 | 76.22 | 74.91 | -1.31 | 1.31 |
| 15:00 | 183.95 | 184.04 | 173.45 | 173.54 | 52.87 | 52.89 | 75.08 | 75.13 | 0.04 | 0.04 |
| 16:00 | 195.09 | 184.37 | 184.59 | 173.87 | 56.26 | 52.99 | 79.91 | 75.27 | -4.64 | 4.64 |
| 17:00 | 172.06 | 177.55 | 161.56 | 167.05 | 49.24 | 50.92 | 69.94 | 72.31 | 2.37 | 2.37 |
| 18:00 | 182.98 | 182.83 | 172.48 | 172.33 | 52.57 | 52.53 | 74.67 | 74.60 | -0.06 | 0.06 |
| 19:00 | 183.95 | 183.02 | 173.45 | 172.52 | 52.87 | 52.58 | 75.08 | 74.68 | -0.40 | 0.40 |
| 20:00 | 186.23 | 188.08 | 175.73 | 177.58 | 53.56 | 54.13 | 76.07 | 76.88 | 0.80 | 0.80 |
| 21:00 | 204.44 | 195.84 | 193.94 | 185.34 | 59.11 | 56.49 | 83.96 | 80.23 | -3.72 | 3.72 |
| 22:00 | 204.35 | 201.33 | 193.85 | 190.83 | 59.08 | 58.17 | 83.92 | 82.61 | -1.30 | 1.30 |
| 23:00 | 200.31 | 200.70 | 189.81 | 190.20 | 57.85 | 57.97 | 82.17 | 82.34 | 0.17 | 0.17 |
|
Mean:
|
-1.40 | 2.89 | ||||||||
Measured pressure are hourly averages of 1-minute
sampling data; see Appendix E for 1-minute sampling data
| Simulated pressure (psi) = [simulated
total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 10.50 ft
Difference (psi) = [measured pressure (psi)
- simulated pressure (psi)]; ABS Diff = absolute value of difference
| Node 9000 - Test Hydrant H-24 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 214.73 | 205.02 | 125.84 | 116.13 | 38.36 | 35.40 | 54.48 | 50.27 | -4.20 | 4.20 |
| 1:00 | 224.12 | 210.54 | 135.23 | 121.65 | 41.22 | 37.08 | 58.54 | 52.66 | -5.88 | 5.88 |
| 2:00 | 206.07 | 204.67 | 117.18 | 115.78 | 35.72 | 35.29 | 50.73 | 50.12 | -0.61 | 0.61 |
| 3:00 | 214.54 | 201.84 | 125.65 | 112.95 | 38.30 | 34.43 | 54.40 | 48.90 | -5.50 | 5.50 |
| 4:00 | 184.36 | 192.34 | 95.47 | 103.45 | 29.10 | 31.53 | 41.33 | 44.78 | 3.45 | 3.45 |
| 5:00 | 177.87 | 185.52 | 88.98 | 96.63 | 27.12 | 29.45 | 38.52 | 41.83 | 3.31 | 3.31 |
| 6:00 | 177.74 | 187.94 | 88.85 | 99.05 | 27.08 | 30.19 | 38.46 | 42.88 | 4.42 | 4.42 |
| 7:00 | 176.79 | 186.77 | 87.90 | 97.88 | 26.79 | 29.83 | 38.05 | 42.37 | 4.32 | 4.32 |
| 8:00 | 184.71 | 188.86 | 95.82 | 99.97 | 29.20 | 30.47 | 41.48 | 43.28 | 1.80 | 1.80 |
| 9:00 | 191.12 | 190.94 | 102.23 | 102.05 | 31.16 | 31.11 | 44.26 | 44.18 | -0.08 | 0.08 |
| 10:00 | 202.38 | 194.61 | 113.49 | 105.72 | 34.59 | 32.22 | 49.13 | 45.77 | -3.36 | 3.36 |
| 11:00 | 208.52 | 198.66 | 119.63 | 109.77 | 36.46 | 33.46 | 51.79 | 47.52 | -4.27 | 4.27 |
| 12:00 | 205.59 | 198.91 | 116.70 | 110.02 | 35.57 | 33.53 | 50.52 | 47.63 | -2.89 | 2.89 |
| 13:00 | 211.22 | 201.42 | 122.33 | 112.53 | 37.29 | 34.30 | 52.96 | 48.71 | -4.24 | 4.24 |
| 14:00 | 214.50 | 202.39 | 125.61 | 113.50 | 38.29 | 34.59 | 54.38 | 49.13 | -5.24 | 5.24 |
| 15:00 | 203.93 | 199.75 | 115.04 | 110.86 | 35.06 | 33.79 | 49.80 | 47.99 | -1.81 | 1.81 |
| 16:00 | 206.58 | 199.60 | 117.69 | 110.71 | 35.87 | 33.75 | 50.95 | 47.93 | -3.02 | 3.02 |
| 17:00 | 206.33 | 196.40 | 117.44 | 107.51 | 35.80 | 32.77 | 50.84 | 46.54 | -4.30 | 4.30 |
| 18:00 | 207.81 | 199.60 | 118.92 | 110.71 | 36.25 | 33.75 | 51.48 | 47.93 | -3.55 | 3.55 |
| 19:00 | 217.08 | 202.80 | 128.19 | 113.91 | 39.07 | 34.72 | 55.49 | 49.31 | -6.18 | 6.18 |
| 20:00 | 213.67 | 205.70 | 124.78 | 116.81 | 38.03 | 35.60 | 54.02 | 50.57 | -3.45 | 3.45 |
| 21:00 | 230.26 | 213.20 | 141.37 | 124.31 | 43.09 | 37.89 | 61.20 | 53.81 | -7.39 | 7.39 |
| 22:00 | 207.97 | 196.52 | 119.08 | 107.63 | 36.29 | 32.80 | 51.55 | 46.59 | -4.96 | 4.96 |
| 23:00 | 213.92 | 202.56 | 125.03 | 113.67 | 38.11 | 34.65 | 54.13 | 49.21 | -4.92 | 4.92 |
| 0:00 | 208.89 | 202.04 | 120.00 | 113.15 | 36.58 | 34.49 | 51.95 | 48.98 | -2.97 | 2.97 |
| 1:00 | 209.14 | 206.87 | 120.25 | 117.98 | 36.65 | 35.96 | 52.06 | 51.08 | -0.98 | 0.98 |
| 2:00 | 201.51 | 205.90 | 112.62 | 117.01 | 34.33 | 35.66 | 48.75 | 50.65 | 1.90 | 1.90 |
| 3:00 | 202.31 | 199.88 | 113.42 | 110.99 | 34.57 | 33.83 | 49.10 | 48.05 | -1.05 | 1.05 |
| 4:00 | 195.16 | 194.21 | 106.27 | 105.32 | 32.39 | 32.10 | 46.00 | 45.59 | -0.41 | 0.41 |
| 5:00 | 182.51 | 188.49 | 93.62 | 99.60 | 28.54 | 30.36 | 40.53 | 43.12 | 2.59 | 2.59 |
| 6:00 | 187.31 | 191.37 | 98.42 | 102.48 | 30.00 | 31.24 | 42.61 | 44.36 | 1.76 | 1.76 |
| 7:00 | 191.67 | 192.56 | 102.78 | 103.67 | 31.33 | 31.60 | 44.50 | 44.88 | 0.38 | 0.38 |
| 8:00 | 184.20 | 189.21 | 95.31 | 100.32 | 29.05 | 30.58 | 41.26 | 43.43 | 2.17 | 2.17 |
| 9:00 | 183.23 | 189.03 | 94.34 | 100.14 | 28.75 | 30.52 | 40.84 | 43.35 | 2.51 | 2.51 |
| 10:00 | 180.71 | 187.38 | 91.82 | 98.49 | 27.99 | 30.02 | 39.75 | 42.64 | 2.89 | 2.89 |
| 11:00 | 175.77 | 184.47 | 86.88 | 95.58 | 26.48 | 29.13 | 37.61 | 41.38 | 3.76 | 3.76 |
| 12:00 | 176.35 | 180.89 | 87.46 | 92.00 | 26.66 | 28.04 | 37.86 | 39.83 | 1.97 | 1.97 |
| 13:00 | 176.72 | 182.68 | 87.83 | 93.79 | 26.77 | 28.59 | 38.02 | 40.60 | 2.58 | 2.58 |
| 14:00 | 193.34 | 188.09 | 104.45 | 99.20 | 31.84 | 30.24 | 45.21 | 42.94 | -2.27 | 2.27 |
| 15:00 | 189.69 | 188.01 | 100.80 | 99.12 | 30.72 | 30.21 | 43.64 | 42.91 | -0.73 | 0.73 |
| 16:00 | 201.16 | 189.84 | 112.27 | 100.95 | 34.22 | 30.77 | 48.60 | 43.70 | -4.90 | 4.90 |
| 17:00 | 179.61 | 183.05 | 90.72 | 94.16 | 27.65 | 28.70 | 39.27 | 40.76 | 1.49 | 1.49 |
| 18:00 | 185.07 | 185.58 | 96.18 | 96.69 | 29.32 | 29.47 | 41.64 | 41.86 | 0.22 | 0.22 |
| 19:00 | 186.32 | 188.25 | 97.43 | 99.36 | 29.70 | 30.28 | 42.18 | 43.01 | 0.84 | 0.84 |
| 20:00 | 191.91 | 193.79 | 103.02 | 104.90 | 31.40 | 31.97 | 44.60 | 45.41 | 0.82 | 0.82 |
| 21:00 | 209.88 | 201.91 | 120.99 | 113.02 | 36.88 | 34.45 | 52.38 | 48.93 | -3.45 | 3.45 |
| 22:00 | 208.47 | 207.43 | 119.58 | 118.54 | 36.45 | 36.13 | 51.77 | 51.32 | -0.45 | 0.45 |
| 23:00 | 210.87 | 206.85 | 121.98 | 117.96 | 37.18 | 35.96 | 52.81 | 51.07 | -1.74 | 1.74 |
|
Mean:
|
-1.08 | 2.87 | ||||||||
Measured pressure are hourly averages of 1-minute
sampling data; see Appendix E for 1-minute sampling data
Simulated pressure (psi) = [simulated total
head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 88.89 ft
Difference (psi) = [measured pressure (psi)
- simulated pressure (psi)]; ABS Diff = absolute value of difference

| Node 6004 - Test Hydrant H-25 -- August 14-16, 1998 | ||||||||||
| Time (Hours) |
Total Head (ft) | Pressure Head (ft) | Pressure Head (m) | Pressure (psi) | Difference (psi) |
ABS Diff (psi) |
||||
| simulated | measured | simulated | measured | simulated | measured | simulated | measured | |||
| 0:00 | 216.90 | 202.06 | 174.09 | 159.25 | 53.06 | 48.54 | 75.36 | 68.94 | -6.42 | 6.42 |
| 1:00 | 226.25 | 208.29 | 183.44 | 165.48 | 55.91 | 50.44 | 79.41 | 71.64 | -7.77 | 7.77 |
| 2:00 | 208.20 | 201.32 | 165.39 | 158.51 | 50.41 | 48.31 | 71.60 | 68.62 | -2.98 | 2.98 |
| 3:00 | 215.70 | 197.27 | 172.89 | 154.46 | 52.70 | 47.08 | 74.85 | 66.86 | -7.98 | 7.98 |
| 4:00 | 184.48 | 185.89 | 141.67 | 143.08 | 43.18 | 43.61 | 61.33 | 61.94 | 0.61 | 0.61 |
| 5:00 | 178.50 | 179.33 | 135.69 | 136.52 | 41.36 | 41.61 | 58.74 | 59.10 | 0.36 | 0.36 |
| 6:00 | 178.87 | 183.78 | 136.06 | 140.97 | 41.47 | 42.97 | 58.90 | 61.02 | 2.12 | 2.12 |
| 7:00 | 178.13 | 182.83 | 135.32 | 140.02 | 41.25 | 42.68 | 58.58 | 60.62 | 2.04 | 2.04 |
| 8:00 | 188.13 | 187.98 | 145.32 | 145.17 | 44.29 | 44.25 | 62.91 | 62.84 | -0.07 | 0.07 |
| 9:00 | 195.35 | 190.67 | 152.54 | 147.86 | 46.49 | 45.07 | 66.03 | 64.01 | -2.03 | 2.03 |
| 10:00 | 209.73 | 196.70 | 166.92 | 153.89 | 50.88 | 46.90 | 72.26 | 66.62 | -5.64 | 5.64 |
| 11:00 | 215.54 | 199.94 | 172.73 | 157.13 | 52.65 | 47.89 | 74.78 | 68.02 | -6.75 | 6.75 |
| 12:00 | 211.23 | 199.36 | 168.42 | 156.55 | 51.33 | 47.72 | 72.91 | 67.77 | -5.14 | 5.14 |
| 13:00 | 216.97 | 201.05 | 174.16 | 158.24 | 53.08 | 48.23 | 75.39 | 68.50 | -6.89 | 6.89 |
| 14:00 | 217.25 | 202.64 | 174.44 | 159.83 | 53.17 | 48.71 | 75.51 | 69.19 | -6.33 | 6.33 |
| 15:00 | 206.29 | 198.78 | 163.48 | 155.97 | 49.83 | 47.54 | 70.77 | 67.52 | -3.25 | 3.25 |
| 16:00 | 209.38 | 198.57 | 166.57 | 155.76 | 50.77 | 47.48 | 72.11 | 67.43 | -4.68 | 4.68 |
| 17:00 | 209.49 | 195.03 | 166.68 | 152.22 | 50.81 | 46.40 | 72.16 | 65.89 | -6.26 | 6.26 |
| 18:00 | 211.09 | 199.21 | 168.28 | 156.40 | 51.29 | 47.67 | 72.85 | 67.71 | -5.14 | 5.14 |
| 19:00 | 220.27 | 202.80 | 177.46 | 159.99 | 54.09 | 48.76 | 76.82 | 69.26 | -7.56 | 7.56 |
| 20:00 | 216.58 | 205.66 | 173.77 | 162.85 | 52.96 | 49.64 | 75.22 | 70.50 | -4.73 | 4.73 |
| 21:00 | 233.52 | 213.91 | 190.71 | 171.10 | 58.13 | 52.15 | 82.56 | 74.07 | -8.49 | 8.49 |
| 22:00 | 208.96 | 190.33 | 166.15 | 147.52 | 50.64 | 44.96 | 71.93 | 63.86 | -8.07 | 8.07 |
| 23:00 | 216.28 | 198.87 | 173.47 | 156.06 | 52.87 | 47.57 | 75.09 | 67.56 | -7.54 | 7.54 |
| 0:00 | 210.99 | 197.81 | 168.18 | 155.00 | 51.26 | 47.24 | 72.81 | 67.10 | -5.71 | 5.71 |
| 1:00 | 211.29 | 203.93 | 168.48 | 161.12 | 51.35 | 49.11 | 72.94 | 69.75 | -3.19 | 3.19 |
| 2:00 | 204.03 | 203.33 | 161.22 | 160.52 | 49.14 | 48.93 | 69.79 | 69.49 | -0.30 | 0.30 |
| 3:00 | 204.07 | 194.37 | 161.26 | 151.56 | 49.15 | 46.20 | 69.81 | 65.61 | -4.20 | 4.20 |
| 4:00 | 195.65 | 187.87 | 152.84 | 145.06 | 46.59 | 44.21 | 66.16 | 62.80 | -3.37 | 3.37 |
| 5:00 | 183.12 | 182.30 | 140.31 | 139.49 | 42.77 | 42.52 | 60.74 | 60.39 | -0.35 | 0.35 |
| 6:00 | 188.79 | 189.13 | 145.98 | 146.32 | 44.50 | 44.60 | 63.20 | 63.34 | 0.15 | 0.15 |
| 7:00 | 194.38 | 190.65 | 151.57 | 147.84 | 46.20 | 45.06 | 65.61 | 64.00 | -1.61 | 1.61 |
| 8:00 | 185.73 | 185.44 | 142.92 | 142.63 | 43.56 | 43.47 | 61.87 | 61.74 | -0.12 | 0.12 |
| 9:00 | 185.19 | 187.51 | 142.38 | 144.70 | 43.40 | 44.10 | 61.64 | 62.64 | 1.00 | 1.00 |
| 10:00 | 182.56 | 185.81 | 139.75 | 143.00 | 42.60 | 43.59 | 60.50 | 61.91 | 1.41 | 1.41 |
| 11:00 | 178.02 | 183.81 | 135.21 | 141.00 | 41.21 | 42.98 | 58.53 | 61.04 | 2.51 | 2.51 |
| 12:00 | 178.69 | 180.14 | 135.88 | 137.33 | 41.42 | 41.86 | 58.82 | 59.45 | 0.63 | 0.63 |
| 13:00 | 179.10 | 182.79 | 136.29 | 139.98 | 41.54 | 42.66 | 59.00 | 60.60 | 1.59 | 1.59 |
| 14:00 | 200.54 | 191.16 | 157.73 | 148.35 | 48.08 | 45.22 | 68.28 | 64.22 | -4.06 | 4.06 |
| 15:00 | 195.30 | 189.05 | 152.49 | 146.24 | 46.48 | 44.57 | 66.01 | 63.31 | -2.71 | 2.71 |
| 16:00 | 208.11 | 190.57 | 165.30 | 147.76 | 50.38 | 45.04 | 71.56 | 63.97 | -7.59 | 7.59 |
| 17:00 | 180.99 | 179.36 | 138.18 | 136.55 | 42.12 | 41.62 | 59.82 | 59.11 | -0.71 | 0.71 |
| 18:00 | 187.71 | 183.56 | 144.90 | 140.75 | 44.17 | 42.90 | 62.73 | 60.93 | -1.80 | 1.80 |
| 19:00 | 189.28 | 187.40 | 146.47 | 144.59 | 44.64 | 44.07 | 63.41 | 62.59 | -0.81 | 0.81 |
| 20:00 | 196.96 | 194.92 | 154.15 | 152.11 | 46.99 | 46.36 | 66.73 | 65.85 | -0.89 | 0.89 |
| 21:00 | 216.56 | 201.91 | 173.75 | 159.10 | 52.96 | 48.49 | 75.21 | 68.88 | -6.34 | 6.34 |
| 22:00 | 213.60 | 206.20 | 170.79 | 163.39 | 52.06 | 49.80 | 73.94 | 70.73 | -3.20 | 3.20 |
| 23:00 | 217.76 | 204.45 | 174.95 | 161.64 | 53.32 | 49.27 | 75.73 | 69.98 | -5.76 | 5.76 |
|
Mean:
|
-3.21 | 3.73 | ||||||||
Measured pressure are hourly averages of 1-minute
sampling data; see Appendix E for 1-minute sampling data
Simulated pressure (psi) = [simulated total
head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 42.81 ft
Difference (psi) = [measured pressure (psi)
- simulated pressure (psi)]; ABS Diff = absolute value of differenc
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