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HomeMy WebLinkAboutSW5210602_Design Calculations_20210616Culvert Report Hydraflow Express Extension for Autodesk@AutoCAD@ Civil 3D@ by Autodesk, Inc. CULVERT1 Invert Elev Dn (ft) = 272.75 Calculations Pipe Length (ft) = 40.00 Qmin (cfs) Slope (%) = 0.63 Qmax (cfs) Invert Elev Up (ft) = 273.00 Tailwater Elev (ft) Rise (in) = 15.0 Shape = Circular Highlighted Span (in) = 15.0 Qtotal (cfs) No. Barrels = 1 Qpipe (cfs) n-Value = 0.013 Qovertop (cfs) Culvert Type = Circular Concrete Veloc Dn (ft/s) Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) HGL Up (ft) Embankment Hw Elev (ft) Top Elevation (ft) = 275.00 Hw/D (ft) Top Width (ft) = 27.00 Flow Regime Crest Width (ft) = 25.00 El. (ft� 276 CC 275 CC Z74 00 273 an 272 OU 271 OU 0 Wednesday, May 26 2021 = 2.40 = 2.40 = (dc+D)/2 = 2.40 = 2.40 = 0.00 = 2.44 = 3.96 = 273.68 = 273.62 = 273.88 = 0.70 = Inlet Control CULVERT1 H� D.pth (ft� 30D 2.OD I.OD Don -1 Ou 2OU 5 10 15 20 25 31) 35 40 45 50 55 60 CIFGUIUGUI-1 - HGL - Elb-k R-h �ft) Culvert Report Hydraflow Express Extension for Autodesk@AutoCAD@ Civil 3D@ by Autodesk, Inc. Culvert 2 Invert Elev Dn (ft) = 256.50 Calculations Pipe Length (ft) = 85.00 Qmin (cfs) Slope (%) = 0.59 Qmax (cfs) Invert Elev Up (ft) = 257.00 Tailwater Elev (ft) Rise (in) = 18.0 Shape = Circular Highlighted Span (in) = 18.0 Qtotal (cfs) No. Barrels = 1 Qpipe (cfs) n-Value = 0.012 Qovertop (cfs) Culvert Type = Circular Concrete Veloc Dn (ft/s) Culvert Entrance = Square edge w/headwall (C) Veloc Up (ft/s) Coeff. K,M,c,Y,k = 0.0098, 2, 0.0398, 0.67, 0.5 HGL Dn (ft) HGL Up (ft) Embankment Hw Elev (ft) Top Elevation (ft) = 261.00 Hw/D (ft) Top Width (ft) = 40.00 Flow Regime Crest Width (ft) = 40.00 El. (ft� 262 CC 261 CC 2W 00 25900 25a an 267 OU 253 CC 2-15 CC 0 Culwrt 2 10 20 30 40 DD 60 70 80 90 100 110 120 CIFGUIUGUI-1 — HGL — Elb-k Wednesday, May 26 2021 = 4.80 = 4.80 = (dc+D)/2 = 4.80 = 4.80 = 0.00 = 3.24 = 4.70 = 257.67 = 257.84 = 258.25 = 0.84 = Inlet Control H� D.pth (ft� SOD 4.OD 3.OD 2.OD I OD O.OD -1 on 2OU 130 R—h �ft) Channel Report Hydraflow Express Extension for Autodesk@AutoCAD@ Civil 3D@ by Autodesk, Inc. Friday, Jun 4 2021 Northern Roadside Ditch to Temporary Diversion Ditch Trapezoidal Highlighted Bottom Width (ft) = 3.00 Depth (ft) = 0.48 Side Slopes (z-1) = 3.00,3.00 Q (Cfs) = 6.620 Total Depth (ft) = 2.00 Area (sqft) = 2.13 Invert Elev (ft) = 275.00 Velocity (ft/s) = 3.11 Slope (%) = 1.70 Wetted Perim (ft) = 6.04 N-Value = 0.030 Crit Depth, Yc (ft) = 0.46 Top Width (ft) = 5.88 Calculations EGL (ft) = 0.63 Compute by: Known Q Known Q (cfs) = 6.62 Elev (ft) 278.00 ----1 277.50 277.00 276.50 276.00 275.50 275.00 274.50 2 4 6 Section Depth (ft) 3.00 2.50 2.00 1.50 1.00 0.50 111MI I I I I I 1 1 -0.50 8 10 12 14 16 18 20 Reach (ft) Channel Report Hydraflow Express Extension for Autodesk@AutoCAD@ Civil 3D@ by Autodesk, Inc. Southern Roadside Ditch Trapezoidal Bottom Width (ft) = 3.00 Side Slopes (z-1) = 3.00,3.00 Total Depth (ft) = 1.00 Invert Elev (ft) = 269.00 Slope (%) = 4.00 N-Value = 0.030 Calculations Compute by: Known Q Known Q (cfs) = 2.3 9 Elev (ft) 271.00 ----1 270.50 270.00 269.50 020011818A 268.50 Section Friday, Jun 4 2021 Highlighted Depth (ft) = 0.22 Q (Cfs) = 2.390 Area (sqft) = 0.81 Velocity (ft/s) = 2.97 Wetted Perim (ft) = 4.39 Crit Depth, Yc (ft) = 0.25 Top Width (ft) = 4.32 EGL (ft) = 0.36 Depth (ft) 2.00 1.50 1.00 0.50 98118181 I I I I I I I I I I I . -0.50 1 2 3 4 5 6 7 8 9 10 11 Reach (ft) Phobos — Phase I : Impervious Calculations Gravel Road (including paved apron): SF = 43,236.24 = 1.00 AC Substation Pad: 59,500.4 SF = 1.37 AC Permanent Layclown areas: 2,076.85 SF + 2,500 SF = 4,576.85 SF 0.210 AC Total: 1.00 + 1.37 + 0.210 AC = 2.58 AC 2.58 AC / 60.38 AC = 0.0427 4.27 % Built Upon Area Calculations By: Shayne MacLean Signature: Date: 6/14/2021 Calculations By: Michael D. Ivy, PE