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HomeMy WebLinkAboutSUB201600092 Other 2016-05-03 (3)HYDRAULIC GRADE LINE COMPUTATION 100 yr Event PROJECT. North Pointe Subdivison Section I Date: 4/22/2016 DESCRIPTION. Mixed Use REVISED: COUNTY. Albemarle REVISED: REVISED: JUNCTION LOSS INLET/STATION OUTLET WATER Do Qo Lo Sfo % IIIVo Ho Qi Vi QiVi Vi^2/2g Hi Angle K delta H Ht 1.3 Ht 0.5 Ht Final H Inlet Water Rim Elev. Grade Line Overide Open Channel P Upstream Outflow SURFACE ELEV. 90-15 Surface Elev. WSE check above Crown Flow Velocity with 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 21 Velocity flowing full of Pipe E 13 434.60 24 54.66 137.57 5.846 8.04 17.4 1.18 9.45 7.7 72.84 0.92 0.32 30 0.28 0.26 1.76 2.28 10.33 444.93 449.70 4.77 yes x 20 447.36 15 9.45 26.86 2.145 0.58 7.7 0.23 3.35 2.7 9.16 0.12 0.04 10 0.19 0.02 0.29 0.38 0.96 448.32 454.04 5.72 yes x 18 450.93 15 3.10 216.68 0.230 0.50 2.5 0.02 1.48 3.1 4.58 0.15 0.05 90 0.70 0.10 0.18 0.24 0.73 451.66 459.20 7.54 no x 16 452.76 15 1.48 57.52 0.347 0.20 3.1 0.04 - - - - - - - - 0.04 0.05 0.25 453.01 459.05 6.04 no 22 448.32 15 3.35 68.00 0.270 0.18 2.7 0.03 - - I - - - - 0.03 0.04 0.22 448.54 454.04 5.50 1 yes x 28 441.52 15 4.43 1 37.87 0.470 0.18 3.6 1 0.05 1 4.46 113.51 60.19 1 2.83 1 0.99 1 0 1 0.19 1 0.54 1 1.58 1 1.58 1 1 1.76 1 443.28 1 447.50 1 4.22 1 yes I x 26 443.28 15 4.46 100.75 6.582 6.63 13.5 0.71 3.04 4.0 12.17 0.25 0.09 10 0.19 0.05 0.84 1.10 7.73 451.01 470.59 19.58 no 24 464.39 15 3.04 52.02 0.581 0.30 4.0 0.06 - - - - - - 0.06 0.08 0.38 464.77 470.65 5.88 no 39 440.99 15 7.25 48.53 1.260 0.612 5.90759 0.14 7.3 5.95 43.44 0.55 0.19 0 0.19 0.10 0.432463 0.43 1.04 442.03 446.00 3.97 yes x 37 442.03 15 7.30 126.59 1.279 1.62 6.0 0.14 7.32 6.0 43.66 0.55 0.19 20 0.22 0.12 0.45 0.45 2.07 444.11 465.00 20.89 no x 35 459.09 15 7.32 16.05 1.286 0.21 6.0 0.14 3.30 2.7 8.89 0.11 0.04 90 0.7 0.08 0.26 0.33 0.54 459.63 465.88 6.25 yes x 33 464.99 15 3.30 144.45 0.262 0.38 2.7 0.03 2.17 3.7 8.05 0.21 0.07 90 0.70 0.15 0.25 0.33 0.71 465.69 472.34 6.65 no x 31 465.81 15 2.17 55.97 0.497 0.278 3.71 0.05 - - - - - - - - 0.053432 0.07 0.35 466.16 472.34 6.18 no 42 459.63 15 1.58 56.00 0.060 0.03 1.3 0.01 - - - - 0.01 0.01 0.04 459.67 465.88 6.21 no x 48 506.96 15 6.06 94.60 0.883 0.84 4.9 0.09 2.80 9.3 25.93 1.33 0.47 0 0.19 0.25 0.82 1.06 1.90 508.86 515.70 6.84 no x 46 512.60 15 2.80 213.73 3.104 6.63 9.3 0.33 0.89 2.9 2.58 0.13 0.05 80 0.66 0.09 0.47 0.61 7.24 519.84 529.43 9.59 no 44 523.60 15 0.89 46.55 0.306 0.14 2.9 0.03 - - - - - - - - 0.03 0.04 0.19 523.78 529.83 6.05 no 51 509.52 15 0.00 40.00 0.408 0.16 3.4 0.04 - - - - - - 0.04 0.06 0.22 509.74 515.72 5.98 no 81 438.80 42 72.40 82.79 0.518 0.43 7.5 0.22 72.46 7.5 546.06 0.88 0.31 0 0.19 0.17 0.70 0.70 1.13 439.92 455.00 15.08 no x 79 449.35 42 72.46 39.24 0.519 0.20 7.5 0.22 72.50 7.5 546.67 0.88 0.31 0 0.19 0.17 0.70 0.70 0.90 450.25 468.00 17.75 no x 77 453.12 42 72.50 24.70 0.520 0.13 7.5 0.22 54.51 7.7 420.58 0.92 0.32 90 0.70 0.65 1.19 1.55 1.68 454.80 471.23 16.43 yes x 75 466.16 36 54.51 76.53 0.669 0.51 7.7 0.23 52.56 7.4 391.09 0.86 0.30 10 0.19 0.16 0.70 0.70 1.21 467.37 474.08 6.71 no x 73 467.37 36 52.56 163.51 0.622 1.02 7.4 0.21 52.50 7.4 390.13 0.86 0.30 20 0.22 0.19 0.70 0.70 1.72 469.09 478.20 9.11 yes x 71 469.09 36 52.50 166.38 0.620 1.03 7.4 0.21 52.14 10.6 554.17 1.75 0.61 90 0.70 1.23 2.06 2.06 3.09 472.17 478.33 6.16 yes x 69 472.17 30 52.14 56.00 1.618 0.91 10.6 0.44 42.02 8.6 359.80 1.14 0.40 70 0.61 0.69 1.53 1.99 2.90 475.07 478.33 3.26 yes x 67 472.17 30 42.02 80.60 1.051 0.85 8.6 0.28 40.41 12.9 520.09 2.57 0.90 20 0.22 0.57 1.75 1.75 2.60 474.77 477.00 2.23 yes x 65 474.77 24 40.41 80.26 3.196 2.56 12.9 0.64 37.18 11.8 440.28 2.18 0.76 10 0.19 0.41 1.82 1.82 4.38 479.16 478.61 -0.55 yes x 63 479.16 24 37.18 202.17 2.705 5.47 11.8 0.54 25.13 8.0 201.19 0.99 0.35 0 0.19 0.19 1.08 1.41 6.88 486.03 489.42 3.39 yes x 61 486.03 18 18.43 73.24 3.083 2.26 10.4 0.42 15.63 8.8 138.24 1.22 0.43 90 0.70 0.85 1.70 1.70 3.96 489.99 492.28 2.29 yes x 59 489.99 18 15.63 271.37 2.217 6.02 8.8 0.30 11.28 9.2 103.78 1.31 0.46 10 0.19 0.25 1.01 1.32 7.33 497.32 497.90 0.58 yes x 57 497.32 15 11.28 253.59 3.056 7.75 9.2 0.33 6.22 5.1 31.54 0.40 0.14 30 0.28 0.11 0.58 0.75 8.50 505.82 517.83 12.01 no x 55 512.64 15 6.22 66.04 0.929 0.61 5.1 0.10 4.84 3.9 19.09 0.24 0.08 90 0.70 0.17 0.35 0.46 1.07 513.72 519.89 6.17 yes x 53 513.72 15 4.84 48.97 0.562 0.28 3.9 0.06 - - - - - - - 0.06 0.08 0.35 514.07 519.32 5.25 yes x 88 511.63 15 5.29 40.00 0.671 0.27 4.3 0.07 4.87 4.0 19.32 0.24 0.09 90 0.70 0.17 0.33 0.33 0.60 512.23 517.81 5.58 yes x 86 513.83 15 4.87 53.14 0.569 0.30 4.0 0.06 3.43 4.1 14.09 0.26 0.09 0 0.19 0.05 0.20 0.26 0.57 514.40 521.33 6.93 no x Page 1 of 3 HYDRAULIC GRADE LINE COMPUTATION 100 yr Event PROJECT. North Pointe Subdivison Section I Date: 4/22/2016 DESCRIPTION. Mixed Use REVISED: COUNTY. Albemarle REVISED: REVISED: JUNCTION LOSS INLET/STATION Upstream Outflow 1 OUTLET WATER Do Qo Lo Sfo % IIIVo Ho Qi Vi QiVi Vi^2/2g Hi Angle K delta H Ht 1.3 Ht 0.5 Ht Final H Inlet Water Rim Elev. SURFACE ELEV. 90-15 Surface Elev. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 WSE check 21 Grade Line above Crown of Pipe Overide Open Channel P Flow Velocity with Velocity flowing full 84 515.53 15 3.43 48.35 0.610 0.29 4.1 0.07 - - - - 0.07 0.09 0.38 515.91 522.77 6.86 no 90 497.32 15 1.68 40.51 0.067 0.03 1.4 0.01 - - 0.01 0.01 0.04 497.36 497.93 0.57 yes x 92 489.99 15 1.87 39.82 0.084 0.03 1.5 0.01 - - - - 0.01 0.01 0.05 490.03 492.28 2.25 yes x 96 486.31 24 25.13 27.56 1.236 0.34 8.0 0.25 23.95 7.6 182.61 0.90 0.32 50 0.47 0.42 0.99 0.99 1.33 487.64 491.00 3.36 no x 94 (STUB) 487.64 24 23.95 17.61 1.122 0.20 7.6 0.23 - - - 0.23 0.29 0.49 488.14 - - no x 98 479.16 15 1.68 42.95 0.067 0.03 1.4 0.01 - - 0.01 0.01 0.04 479.19 478.67 -0.52 yes x 100 475.34 18 13.35 49.51 1.617 0.80 7.6 0.22 - - 0.22 0.29 1.09 476.43 483.00 6.57 no x 75A 467.55 15 2.27 56.00 0.275 0.15 2.8 0.03 - - 0.03 0.04 0.19 467.74 474.08 6.34 no 104 463.73 24 24.32 80.36 1.157 0.93 7.7 0.23 23.91 7.6 182.13 0.90 0.32 10 0.19 0.17 0.72 0.72 1.65 465.38 473.00 7.62 no x 102 (STUB) 469.60 24 23.91 11.17 1.119 0.13 7.6 0.23 - - - - - - - - 0.23 0.29 0.42 470.02 - - no x 132 456.78 30 48.78 165.99 1.416 2.35 9.9 0.38 45.70 4.0 180.97 0.24 0.09 10 0.19 0.05 0.52 0.52 2.87 459.65 467.86 8.21 no x 130 460.20 30 45.70 74.56 1.243 0.93 9.3 0.34 41.33 8.4 348.08 1.10 0.39 0 0.19 0.21 0.93 0.93 1.86 462.06 468.25 6.19 yes x 128 465.10 30 41.33 253.52 1.016 2.58 8.4 0.28 35.13 11.2 392.93 1.94 0.68 0 0.19 0.37 1.32 1.32 3.90 469.01 476.73 7.72 no x 126 470.78 24 35.13 295.15 2.414 7.13 11.2 0.49 23.77 7.6 180.01 0.89 0.31 90 0.70 0.62 1.42 1.85 8.97 479.75 487.91 8.16 yes x 124 479.75 24 23.77 56.03 1.106 0.62 7.6 0.22 23.47 7.5 175.47 0.87 0.30 70 0.61 0.53 1.06 1.06 1.68 481.43 487.91 6.48 yes x 122 481.43 24 23.47 50.25 1.078 0.54 7.5 0.22 19.38 6.2 119.64 0.59 0.21 80 0.66 0.39 0.81 1.06 1.60 483.03 488.33 5.30 yes x 120 483.07 24 19.38 130.44 0.735 0.96 6.2 0.15 18.84 10.7 201.04 1.77 0.62 20 0.22 0.39 1.16 1.16 2.11 485.18 494.33 9.15 no x 118 485.18 18 18.84 123.61 3.223 3.98 10.7 0.44 18.99 10.8 204.14 1.79 0.63 10 0.19 0.34 1.41 1.41 5.40 490.57 497.25 6.68 yes x 116 490.57 18 18.99 129.40 3.273 4.24 10.8 0.45 10.32 8.4 86.75 1.10 0.38 90 0.70 0.77 1.60 2.08 6.32 496.89 495.08 -1.81 yes x 114 496.89 15 7.94 110.78 1.513 1.68 6.5 0.16 8.04 6.6 52.66 0.67 0.23 10 0.19 0.13 0.52 0.52 2.20 499.09 499.25 0.16 yes x 112 499.09 15 8.04 130.12 1.550 2.02 6.6 0.17 4.59 3.7 17.16 0.22 0.08 20 0.22 0.05 0.29 0.38 2.40 501.49 497.94 -3.55 yes x 110 501.49 15 4.59 90.76 0.505 0.46 3.7 0.05 4.19 3.4 14.30 0.18 0.06 20 0.22 0.04 0.16 0.16 0.62 502.10 499.24 -2.86 yes x 108 502.10 15 4.19 88.85 0.421 0.37 3.4 0.05 2.98 2.4 7.25 0.09 0.03 90 0.70 0.06 0.14 0.18 0.56 502.66 502.96 0.30 yes x 106 502.66 15 2.98 40.00 0.214 0.09 2.4 0.02 - - - - - - - - 0.02 0.03 0.12 502.78 502.96 0.18 yes x 134 501.49 15 2.88 40.00 0.199 0.08 2.3 0.02 - - - - 0.02 0.03 0.11 501.59 497.94 -3.65 yes x 140 496.89 15 10.32 40.18 2.554 1.03 8.4 0.27 8.91 7.3 64.74 0.82 0.29 40 0.38 0.31 0.87 0.87 1.90 498.79 495.03 -3.76 yes x 138 498.79 15 8.91 49.38 1.906 0.94 7.3 0.20 4.20 3.4 14.38 0.18 0.06 40 0.38 0.07 0.34 0.44 1.38 500.17 497.64 -2.53 yes x 136 500.17 15 4.20 40.02 0.423 0.17 3.4 0.05 - - - - - - - - 0.05 0.06 0.23 500.40 497.57 -2.83 yes x 142 483.03 15 3.72 44.00 0.332 0.15 3.0 0.04 - - - - - - - - 0.04 0.05 0.19 483.22 488.33 5.11 yes x 154 479.75 24 15.13 244.79 0.448 1.10 4.8 0.09 15.33 4.9 74.83 0.37 0.13 10 0.19 0.07 0.29 0.29 1.39 481.14 487.00 5.86 yes x 152 481.14 24 15.33 87.62 0.460 0.40 4.9 0.09 13.07 7.4 96.66 0.85 0.30 0 0.19 0.16 0.55 0.55 0.95 482.10 484.11 2.01 yes x 1s0 482.10 18 13.07 55.58 1.550 0.86 7.4 0.21 6.20 5.1 31.36 0.40 0.14 0 0.19 0.08 0.43 0.55 1.42 483.51 482.71 -0.80 yes x 148 483.51 15 6.20 161.46 0.923 1.49 5.1 0.10 4.81 3.9 18.87 0.24 0.08 20 0.22 0.05 0.24 0.31 1.80 485.31 486.00 0.69 yes x 146 485.31 15 4.81 52.61 0.556 0.29 3.9 0.06 2.56 2.1 5.36 0.07 0.02 70 0.61 0.04 0.12 0.16 0.45 485.76 487.10 1.34 yes x 144 485.76 15 2.56 43.44 0.158 0.07 2.1 0.02 - - - - - - - - 0.02 0.02 0.09 485.85 487.10 1.25 yes x 156 483.51 15 4.35 56.00 0.455 0.25 3.5 0.05 - - 0.05 0.06 0.32 483.83 482.71 -1.12 yes x 158 470.20 15 5.28 55.95 0.668 0.37 4.3 0.07 - L - 0.07 0.09 0.47 470.67 476.73 6.06 no x 160 462.06 15 3.77 56.00 0.342 0.19 3.1 0.04 - - 0.04 0.05 0.24 462.30 468.25 5.95 yes x162 461.29 15 2.86 57.95 0.566 0.33 4.0 0.06 -4 - 0.06 0.08 0.41 461.70 467.83 6.13 no Page 2 of 3 HYDRAULIC GRADE LINE COMPUTATION 100 yr Event PROJECT. North Pointe Subdivison Section I Date: 4/22/2016 DESCRIPTION. Mixed Use REVISED: COUNTY. Albemarle REVISED: REVISED: JUNCTION LOSS INLET/STATION Upstream Outflow 1 OUTLET WATER Do Qo Lo Sfo % IIIVo Ho Qi Vi QiVi Vi^2/2g Hi Angle K delta H Ht 1.3 Ht 0.5 Ht Final H Inlet Water Rim Elev. SURFACE ELEV. 90-15 Surface Elev. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 WSE check 21 Grade Line above Crown of Pipe Overide Open Channel P Flow Velocity with Velocity flowing full 170 504.41 18 15.52 61.02 2.186 1.33 8.8 0.30 10.10 8.2 83.20 1.05 0.37 90 0.70 0.74 1.41 1.83 3.16 507.57 511.29 3.72 yes x 168 508.36 15 10.10 158.81 2.450 3.89 8.2 0.26 8.29 6.8 56.05 0.71 0.25 20 0.22 0.16 0.67 0.87 4.76 513.12 513.87 0.75 yes x 166 513.12 15 8.29 148.86 1.650 2.46 6.8 0.18 3.25 2.7 8.63 0.11 0.04 50 0.47 0.05 0.27 0.35 2.80 515.92 518.26 2.34 yes x 164 515.92 15 2.38 226.58 1.983 4.49 7.4 0.21 - - - - - - - - 0.21 0.28 4.77 520.69 525.18 4.49 no 173 515.92 15 3.25 53.25 0.254 0.14 2.7 0.03 - - - 0.03 0.04 0.17 516.09 519.37 3.28 yes x 175 507.57 15 3.43 40.04 0.282 0.11 2.8 0.03 - - 0.03 0.04 0.15 507.72 511.27 3.55 yes x 184 465.20 18 9.57 56.73 0.832 0.47 5.4 0.11 6.75 5.5 37.19 0.47 0.16 50 0.47 0.22 0.50 0.65 1.12 466.32 475.77 9.45 no x 182 472.83 15 6.75 116.34 1.095 1.27 5.5 0.12 4.29 3.5 14.97 0.19 0.07 70 0.61 0.12 0.30 0.39 1.66 474.49 480.62 6.13 no x 180 477.63 15 4.29 122.73 0.441 0.54 3.5 0.05 3.14 4.0 12.70 0.25 0.09 90 0.70 0.18 0.31 0.41 0.95 478.58 486.23 7.65 no x 178 479.82 15 3.14 40.02 0.589 0.24 4.0 0.06 - - - - - - - - 0.06 0.08 0.32 480.14 486.02 5.88 no 187 474.49 15 1.82 40.07 0.453 0.18 3.5 0.05 - - - - - - - - 0.05 0.06 0.24 474.74 480.64 5.90 no 195 447.20 18 16.60 81.80 2.501 2.05 9.4 0.34 16.65 13.6 225.88 2.86 1.00 0 0.19 0.54 1.89 1.89 3.93 451.13 468.00 16.87 yes x 193 461.53 15 16.65 59.09 6.651 3.93 13.6 0.71 10.30 8.4 86.54 1.10 0.38 90 0.70 0.77 1.87 2.42 6.36 467.88 481.03 13.15 no x 191 478.00 15 10.30 237.41 2.548 6.05 8.4 0.27 9.17 7.5 68.52 0.87 0.30 1 0 0.19 1 0.16 0.74 0.74 6.79 484.79 491.54 6.75 yes x 189 485.34 15 0.79 40.40 0.287 0.12 2.8 0.03 - - - - - - - - 0.03 0.04 0.16 485.49 491.54 6.05 no 198 (STUB) 485.34 15 9.17 14.60 2.018 0.29 7.5 0.22 - - - 0.22 0.28 0.58 485.92 - - yes x 474.89 15 2.07 28.39 0.486 0.14 3.7 0.05 - - - - 0.05 0.07 0.21 475.09 481.03 5.94 no 202 LE204 467.88 15 2.62 104.41 0.544 0.57 3.9 0.06 0.89 2.9 2.58 0.13 0.05 90 0.70 0.09 0.20 0.26 0.82 468.71 482.61 13.90 no 200 476.22 15 0.89 43.49 0.306 0.13 2.9 0.03 - - - - - I - - 0.03 0.04 0.18 476.40 482.44 6.04 no Page 3 of 3