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HomeMy WebLinkAboutTract 7261 Phases 4-7 - Drainage Study TIME OF CONCENTRATION (Tc) CALCULATIONS CITY OF BAKERSFIELD RATIONAL METHOD (In accordance with City of Bakersfield Standards) TABLE OF RUNOFF COEFFICIENTS R-1, 6000 SF 0.42 JOB TITLE:TRACT 7261 (Phases 4-7)R-1, 6750 SF 0.40 DATE:Jun-21 R-1, 7500 SF 0.38 R-1, 10000 SF 0.34 Rational Values:R-1, 15000 SF 0.27 Event: 10 YEAR Values: 5, 10, 50 R-3, R-4, M-H 0.8 M.A.P. 6 in./yr. Values: 6, 10, 15, 20, 25, 30 Commercial 0.9 Industrial 0.8 Curve Values Parks 0.15 a: 2.38 I=a+bTc (Tc<20min.) Grasslands, Type A Soil 0.15 b: -0.058 Grasslands, Type B Soil 0.25 P60: 0.550 I=K1*(6.02*Tc)^(0.17*LN(p60/K1) Grasslands, Type C Soil 0.35 K1: 40.00 (Tc>=20min.) Grasslands, Type D Soil 0.45 Pavement, drives & roofs 0.95 Backyards 0.05 Lawn-landscape 2% slope 0.10 0.17 Lawn-landscape 2-7% slope 0.15 0.22 Lawn-landscape 7% slope 0.20 0.35 SUBAREA C I A rslt Tc L dH Sg Q Street V Trial Tc Roof to Tm D Curb NAME Runoff Intensity Total Time Length Elev. Gutter Flow Type Vel. MIN. Gutter Travel Pipe Cap Coef. IN/HR Area Conc. Feet Diff. Slope CFS FPS Time Time Dia. In AC. MIN. Feet Ft/Ft MIN. MIN. In. OFFSITE AREA 0.85 1.70 2.34 11.75 1288 2.70 0.21% 3.38 60 1.83 11.75 0 11.75 4.63 PIPE 23 12 1.91 0.10 18 11.85 PIPE 22 0.85 1.69 2.34 305 3.37 1.90 11.85 2.67 18 14.52 PIPE 21 0.85 1.54 2.34 131 3.06 1.73 14.52 1.26 18 15.79 AREA A 0.39 1.12 3.22 22.53 797 2.50 0.31% 1.42 60 1.76 22.53 15 7.53 3.54 PIPE 25 25 0.80 0.52 18 23.05 AREA B 0.50 1.43 1.52 16.41 176 0.95 0.54% 1.08 60 2.07 16.41 15 1.41 3.05 PIPE 24 15 0.61 0.41 18 16.82 PIPE 20 0.57 1.10 7.08 280 4.41 2.50 23.05 1.87 18 24.92 AREA C 0.38 1.33 2.02 18.13 362 1.58 0.44% 1.02 60 1.93 18.13 15 3.13 3.09 PIPE 26 15 0.58 0.43 18 18.56 PIPE 19 0.53 1.04 9.10 43 4.97 2.81 24.92 0.25 18 25.17 PIPE 18 0.53 1.03 9.10 225 4.93 2.79 25.17 1.35 18 26.52 Tc CALCULATIONS TRACT 7261 (Phases 4-7) Hydrology_10_yr (S) - REV.xls McIntosh Associates 2001 Wheelan Ct Bakersfield, CA 93309 10 yr Calc SUBAREA C I A rslt Tc L dH Sg Q Street V Trial Tc Roof to Tm D Curb NAME Runoff Intensity Total Time Length Elev. Gutter Flow Type Vel. MIN. Gutter Travel Pipe Cap Coef. IN/HR Area Conc. Feet Diff. Slope CFS FPS Time Time Dia. In AC. MIN. Feet Ft/Ft MIN. MIN. In. TRACT 7261 (Phases 4-7) AREA D 0.38 1.02 6.35 25.63 1230 3.85 0.31% 2.45 60 1.93 25.63 15 10.63 4.19 PIPE 27 30 1.39 0.36 18 25.99 PIPE 17 0.47 0.99 15.45 53 7.14 4.04 26.52 0.22 18 26.73 AREA E-1 0.38 1.23 1.69 19.73 454 1.33 0.29% 0.79 60 1.60 19.73 15 4.73 3.00 PIPE 29 15 0.45 0.56 18 20.29 AREA F-1 0.38 1.24 1.76 19.68 453 1.28 0.28% 0.83 60 1.61 19.68 15 4.68 3.03 PIPE 28 25 0.47 0.89 18 20.57 PIPE 16 0.45 0.99 18.90 210 8.39 2.67 26.73 1.31 24 28.05 AREA E-2 0.38 1.25 1.74 19.47 408 1.05 0.26% 0.83 60 1.52 19.47 15 4.47 3.10 PIPE 31 41 0.47 1.48 18 20.95 AREA F-2 0.38 1.25 1.82 19.42 406 1.01 0.25% 0.87 60 1.53 19.42 15 4.42 3.13 PIPE 30 51 0.49 1.75 18 21.17 PIPE 15 0.44 0.95 22.46 44 9.39 2.99 28.05 0.25 24 28.29 AREA G-2 0.38 1.25 1.77 19.44 406 1.01 0.25% 0.84 60 1.52 19.44 15 4.44 3.11 PIPE 33 51 0.48 1.80 18 21.24 AREA H-2 0.38 1.25 1.71 19.48 408 1.05 0.26% 0.81 60 1.52 19.48 15 4.48 3.08 PIPE 32 41 0.46 1.50 18 20.98 PIPE 14 0.43 0.95 25.94 210 10.58 3.37 28.29 1.04 24 29.33 AREA G 0.38 1.13 1.81 22.06 640 1.38 0.22% 0.78 60 1.51 22.06 15 7.06 3.06 PIPE 13 25 0.44 0.94 18 23.00 AREA H 0.38 1.17 1.67 21.16 578 1.68 0.29% 0.74 60 1.56 21.16 15 6.16 2.94 PIPE 12 15 0.42 0.60 18 21.76 Hydrology_10_yr (S) - REV.xls McIntosh Associates 2001 Wheelan Ct Bakersfield, CA 93309 10 yr Calc SUBAREA C I A rslt Tc L dH Sg Q Street V Trial Tc Roof to Tm D Curb NAME Runoff Intensity Total Time Length Elev. Gutter Flow Type Vel. MIN. Gutter Travel Pipe Cap Coef. IN/HR Area Conc. Feet Diff. Slope CFS FPS Time Time Dia. In AC. MIN. Feet Ft/Ft MIN. MIN. In. TRACT 7261 (Phases 4-7) PIPE 11 0.43 0.92 29.42 53 11.53 3.67 29.33 0.24 24 29.57 AREA I 0.38 1.23 2.39 19.72 477 1.41 0.30% 1.12 60 1.69 19.72 15 4.72 3.29 PIPE 9 44 0.63 1.17 18 20.89 PIPE 8 0.38 1.18 2.39 150 1.07 0.61 20.89 4.12 18 25.01 AREA J 0.38 1.15 2.83 21.55 627 1.72 0.27% 1.24 60 1.60 21.55 15 6.55 3.48 PIPE 10 15 0.70 0.36 18 21.91 PIPES 6 & 7 0.42 0.92 34.64 560 13.28 4.23 29.57 2.21 24 31.78 AREA K 0.46 1.44 0.68 16.26 103 0.29 0.28% 0.45 60 1.36 16.26 15 1.26 2.59 PIPE 4 25 0.26 1.63 18 17.89 AREA L 0.71 1.49 1.32 15.37 47 0.29 0.61% 1.40 60 2.14 15.37 15 0.37 3.26 PIPE 5 15 0.79 0.32 18 15.69 PIPE 3 0.63 1.34 2.00 53 1.68 0.95 17.89 0.92 18 18.81 PIPE 2 0.63 1.29 2.00 280 1.61 0.91 18.81 5.11 18 23.93 PIPE 1 0.43 0.87 36.64 59 13.69 4.36 31.78 0.23 24 32.01 Required Sump Capacity = 0.15 x C x A = 2.36 ac-ft C = 0.43 A= 36.64 acres Hydrology_10_yr (S) - REV.xls McIntosh Associates 2001 Wheelan Ct Bakersfield, CA 93309 10 yr Calc INLET & PIPE SIZING CALCULATIONS INLET PE SIZING CALCULATIONS INLET Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #1- Drainage Area A> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 1.42 Highlighted Q Total (cfs) = 1.42 Q Capt (cfs) = 1.42 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.87 Efficiency (%) = 100 Gutter Spread (ft) = 9.81 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #2- Drainage Area B> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 1.08 Highlighted Q Total (cfs) = 1.08 Q Capt (cfs) = 1.08 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.47 Efficiency (%) = 100 Gutter Spread (ft) = 8.17 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #3- Drainage Area C> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 1.02 Highlighted Q Total (cfs) = 1.02 Q Capt (cfs) = 1.02 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.40 Efficiency (%) = 100 Gutter Spread (ft) = 7.86 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #4- Drainage Area D> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 2.45 Highlighted Q Total (cfs) = 2.45 Q Capt (cfs) = 2.45 Q Bypass (cfs) = -0- Depth at Inlet (in) = 6.90 Efficiency (%) = 100 Gutter Spread (ft) = 14.11 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #5- Drainage Area E-1> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 0.79 Highlighted Q Total (cfs) = 0.79 Q Capt (cfs) = 0.79 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.10 Efficiency (%) = 100 Gutter Spread (ft) = 6.63 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #7- Drainage Area E-2> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 0.83 Highlighted Q Total (cfs) = 0.83 Q Capt (cfs) = 0.83 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.16 Efficiency (%) = 100 Gutter Spread (ft) = 6.85 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #6- Drainage Area F-1> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 0.83 Highlighted Q Total (cfs) = 0.83 Q Capt (cfs) = 0.83 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.16 Efficiency (%) = 100 Gutter Spread (ft) = 6.85 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #8- Drainage Area F-2> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 0.87 Highlighted Q Total (cfs) = 0.87 Q Capt (cfs) = 0.87 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.21 Efficiency (%) = 100 Gutter Spread (ft) = 7.07 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Ex. Catch Basin #12- Drainage Area G> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 0.78 Highlighted Q Total (cfs) = 0.78 Q Capt (cfs) = 0.78 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.09 Efficiency (%) = 100 Gutter Spread (ft) = 6.58 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #9- Drainage Area G-2> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 0.84 Highlighted Q Total (cfs) = 0.84 Q Capt (cfs) = 0.84 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.17 Efficiency (%) = 100 Gutter Spread (ft) = 6.91 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Ex. Catch Basin #11- Drainage Area H> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 0.74 Highlighted Q Total (cfs) = 0.74 Q Capt (cfs) = 0.74 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.04 Efficiency (%) = 100 Gutter Spread (ft) = 6.35 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #10- Drainage Area H-2> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 0.81 Highlighted Q Total (cfs) = 0.81 Q Capt (cfs) = 0.81 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.13 Efficiency (%) = 100 Gutter Spread (ft) = 6.74 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Ex. Catch Basin #10- Drainage Area I> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 1.12 Highlighted Q Total (cfs) = 1.12 Q Capt (cfs) = 1.12 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.52 Efficiency (%) = 100 Gutter Spread (ft) = 8.37 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Ex. Catch Basin #13- Drainage Area J> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 1.24 Highlighted Q Total (cfs) = 1.24 Q Capt (cfs) = 1.24 Q Bypass (cfs) = -0- Depth at Inlet (in) = 5.66 Efficiency (%) = 100 Gutter Spread (ft) = 8.96 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #14- Drainage Area K> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 0.45 Highlighted Q Total (cfs) = 0.45 Q Capt (cfs) = 0.45 Q Bypass (cfs) = -0- Depth at Inlet (in) = 4.61 Efficiency (%) = 100 Gutter Spread (ft) = 4.56 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #15- Drainage Area L> Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 1.40 Highlighted Q Total (cfs) = 0.45 Q Capt (cfs) = 0.45 Q Bypass (cfs) = -0- Depth at Inlet (in) = 4.61 Efficiency (%) = 100 Gutter Spread (ft) = 4.56 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- Inlet Report Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Jun 22 2021 Catch Basin #16- Off Site Drainage Area > Curb Inlet Location = Sag Curb Length (ft) = 3.50 Throat Height (in) = 4.00 Grate Area (sqft) = -0- Grate Width (ft) = -0- Grate Length (ft) = -0- Gutter Slope, Sw (ft/ft) = 0.083 Slope, Sx (ft/ft) = 0.020 Local Depr (in) = 2.00 Gutter Width (ft) = 2.00 Gutter Slope (%) = -0- Gutter n-value = -0- Calculations Compute by: Known Q Q (cfs) = 3.38 Highlighted Q Total (cfs) = 3.38 Q Capt (cfs) = 3.38 Q Bypass (cfs) = -0- Depth at Inlet (in) = 7.71 Efficiency (%) = 100 Gutter Spread (ft) = 17.49 Gutter Vel (ft/s) = -0- Bypass Spread (ft) = -0- Bypass Depth (in) = -0- HYDRAULIC CALCULATIONS AND PIPE PROFILES TRACT 7261 (Phases 4-7)HYDRAULIC CALCULATIONS (OUTPUT)Pipe Pipe Pipe Flow Avg. Capacity Invert HGL Velocity Velocity EGLSfInvertNo. Length Size Rate Velocity Flowing Down Down DownHead DownDown Down Up(ft) (in) (cfs) (ft/s) Full (cfs) (ft) (ft) (ft/s) (ft) (ft)(%) (ft)PIPE 159.33 24 13.69 4.36 25.43 339.00 343.50 4.36 0.30 343.80 0.37339.75PIPE 2280.00 18 1.61 2.71 5.54 345.75 346.30 2.72 0.11 346.42 0.28 346.53PIPE 352.75 18 1.68 2.10 3.83 346.53 347.23 2.09 0.07 347.29 0.13 346.60PIPE 425.00 18 0.45 0.57 3.64 346.60 347.36 0.55 0.00 347.37 0.01 346.63PIPE 515.00 18 1.40 1.56 3.83 346.60 347.36 1.55 0.04 347.40 0.07 346.62PIPE 6280.00 24 13.28 4.23 7.88 339.75 344.01 4.23 0.28 344.29 0.35340.09PIPE 7280.00 24 13.28 4.23 7.88 340.09 345.02 4.23 0.28 345.30 0.35340.43PIPE 8150.00 18 1.07 0.61 4.46 342.53 346.27 0.61 0.01 346.28 0.01 342.80PIPE 944.47 18 1.12 2.97 7.22 346.29 346.69 2.96 0.14 346.83 0.47 346.50PIPE 1015.21 18 1.24 1.93 3.81 346.08 346.67 1.93 0.06 346.73 0.13 346.10PIPE 1152.75 24 11.53 3.67 7.63 340.44 346.27 3.67 0.21 346.48 0.26 340.50PIPE 1215.00 18 0.74 0.42 3.83 344.95 346.62 0.42 0.00 346.62 0.01 344.97PIPE 1325.00 18 0.78 0.44 3.64 344.95 346.62 0.44 0.00 346.62 0.01 344.98PIPE 14210.08 24 10.58 3.37 10.11 340.50 346.62 3.37 0.18 346.79 0.22 340.92PIPE 1544.33 24 9.39 2.99 9.61 340.92 347.26 2.99 0.14 347.40 0.17 341.00PIPE 16210.08 24 8.39 2.67 7.48 341.00 347.47 2.67 0.11 347.58 0.14 341.23PIPE 1752.75 18 7.14 4.04 3.82 341.23 347.87 4.04 0.25 348.13 0.46 341.30PIPE 18225.18 18 4.93 2.79 3.50 341.30 348.37 2.79 0.12 348.49 0.22 341.55PIPE 1942.75 18 4.97 2.81 3.59 341.55 348.99 2.81 0.12 349.11 0.22 341.60PIPE 20280.00 18 4.41 2.50 3.44 341.60 349.21 2.50 0.10 349.30 0.18 341.90PIPE 21131.25 18 3.06 1.73 3.43 341.90 349.80 1.73 0.05 349.84 0.09 342.04PIPE 22305.16 18 3.37 1.91 3.56 342.04 349.96 1.91 0.06 350.01 0.10 342.39PIPE 2311.62 18 3.38 1.91 3.08 342.39 350.33 1.91 0.06 350.38 0.10 342.40PIPE 2415.00 18 1.08 0.61 3.84 341.90 349.80 0.61 0.01 349.80 0.01 341.92PIPE 2525.00 18 1.42 0.80 3.64 341.90 349.80 0.80 0.01 349.81 0.02 341.93PIPE 2615.00 18 1.02 0.58 3.83 341.60 349.21 0.58 0.01 349.21 0.01 341.62PIPE 2729.95 18 2.45 1.39 3.32 341.30 348.37 1.39 0.03 348.40 0.05 341.33PIPE 2825.00 18 0.83 0.47 3.64 341.23 347.87 0.47 0.00 347.88 0.01 341.26PIPE 2915.00 18 0.79 0.45 3.83 341.23 347.87 0.45 0.00 347.88 0.01 341.25PIPE 3051.38 18 0.87 0.49 3.59 341.00 347.47 0.49 0.00 347.48 0.01 341.06PIPE 3141.46 18 0.83 0.47 3.65 341.00 347.47 0.47 0.00 347.48 0.01 341.05PIPE 3241.42 18 0.81 0.46 3.65 340.92 347.26 0.46 0.00 347.26 0.01 340.97PIPE 3351.42 18 0.84 0.48 3.59 340.92 347.26 0.48 0.00 347.26 0.01 340.98 TRACT 7261 (Phases 4-7)HYDRAULIC CALCULATIONS (OUTPUT)Pipe HGL Grnd/Rim Cover Velocity Velocity EGLSfSfEnergy J-Loss MinorNo. Up Elev. Up Up Up Head Up Up Up Avg. Loss Coeff Loss(ft) (ft) (ft) (ft/s) (ft) (ft) (%) (%) (ft) (ft)PIPE 1343.72 353.40 11.65 4.36 0.30 344.01 0.367 0.367 0.218 1 0.30PIPE 2347.08 351.29 3.26 2.71 0.11 347.20 0.277 0.278 0.778 1 0.11PIPE 3347.30 351.43 3.33 2.10 0.07 347.36 0.133 0.133 0.070 1 0.07PIPE 4347.37 351.27 3.14 0.58 0.01 347.37 0.010 0.009 0.002 1 0.01PIPE 5347.37 351.26 3.14 1.58 0.04 347.41 0.070 0.069 0.010 1 0.04PIPE 6344.98 351.93 9.84 4.23 0.28 345.26 0.346 0.346 0.968 0.15 0.04PIPE 7345.99 351.94 9.51 4.23 0.28 346.27 0.346 0.346 0.968 1 0.28PIPE 8346.29 351.78 7.48 0.61 0.01 346.29 0.010 0.010 0.016 0.44 0.00PIPE 9346.90 351.38 3.38 2.98 0.14 347.04 0.477 0.474 0.211 1 0.14PIPE 10346.69 351.36 3.76 1.93 0.06 346.75 0.131 0.131 0.020 1 0.06PIPE 11346.41 351.19 8.69 3.67 0.21 346.62 0.260 0.260 0.137 1 0.21PIPE 12346.62 350.76 4.29 0.42 0.00 346.62 0.005 0.005 0.001 1 0.00PIPE 13346.62 350.76 4.28 0.44 0.00 346.62 0.006 0.006 0.001 1 0.00PIPE 14347.08 352.80 9.88 3.37 0.18 347.26 0.220 0.220 0.462 1 0.18PIPE 15347.33 352.74 9.74 2.99 0.14 347.47 0.173 0.173 0.077 1 0.14PIPE 16347.76 352.70 9.47 2.67 0.11 347.87 0.138 0.138 0.290 1 0.11PIPE 17348.12 350.20 7.40 4.04 0.25 348.37 0.462 0.462 0.244 1 0.25PIPE 18348.87 350.75 7.70 2.79 0.12 348.99 0.220 0.220 0.496 1 0.12PIPE 19349.08 350.74 7.64 2.81 0.12 349.21 0.224 0.224 0.096 1 0.12PIPE 20349.70 351.41 8.01 2.50 0.10 349.80 0.176 0.176 0.494 1 0.10PIPE 21349.91 352.12 8.58 1.73 0.05 349.96 0.085 0.085 0.111 1 0.05PIPE 22350.27 351.47 7.58 1.91 0.06 350.33 0.103 0.103 0.314 1 0.06PIPE 23350.34 351.11 7.21 1.91 0.06 350.40 0.104 0.104 0.012 1 0.06PIPE 24349.80 351.24 7.82 0.61 0.01 349.81 0.011 0.011 0.002 1 0.01PIPE 25349.80 351.24 7.81 0.80 0.01 349.81 0.018 0.018 0.005 1 0.01PIPE 26349.21 350.62 7.50 0.58 0.01 349.21 0.009 0.009 0.001 1 0.01PIPE 27348.39 350.05 7.22 1.39 0.03 348.42 0.054 0.054 0.016 1 0.03PIPE 28347.87 349.86 7.10 0.47 0.00 347.88 0.006 0.006 0.002 1 0.00PIPE 29347.87 355.59 12.84 0.45 0.00 347.88 0.006 0.006 0.001 1 0.00PIPE 30347.48 350.70 8.14 0.49 0.00 347.48 0.007 0.007 0.004 1 0.00PIPE 31347.47 350.79 8.24 0.47 0.00 347.48 0.006 0.006 0.003 1 0.00PIPE 32347.26 350.84 8.37 0.46 0.00 347.26 0.006 0.006 0.002 1 0.00PIPE 33347.26 350.76 8.28 0.48 0.00 347.26 0.006 0.006 0.003 1 0.00 PIPE 1PIPE 2SUMPEX. MHEX. MHUPSTREAMMANHOLE PIPE 3DOWNSTREAMMANHOLEUPSTREAMMANHOLE PIPE 4DOWNSTREAMMANHOLECB-14 PIPE 5DOWNSTREAMMANHOLECB-15 PIPE 6PIPE 7PIPE 8PIPE 9DOWNSTREAMEX. MHUPSTREAMEX. MHEX. MHEX. MHEX. MH PIPE 10DOWNSTREAMEX. MHEX. CB-13 PIPE 11PIPE 14PIPE 15PIPE 16PIPE 17DOWNSTREAMEX. MHEX. MHMANHOLEUPSTREAMMANHOLEMANHOLEMANHOLE PIPE 12DOWNSTREAMEX. MHEX. CB-11 PIPE 13DOWNSTREAMEX. MHEX. CB-12 PIPE 18DOWNSTREAMMANHOLEUPSTREAMMANHOLE PIPE 19PIPE 20PIPE 21UPSTREAMMANHOLEDOWNSTREAMMANHOLEMANHOLEMANHOLE PIPE 22PIPE 23CB-16MANHOLEDOWNSTREAMMANHOLE PIPE 24CB-2DOWNSTREAMMANHOLE PIPE 25CB-1DOWNSTREAMMANHOLE PIPE 26CB-3DOWNSTREAMMANHOLE PIPE 27DOWNSTREAMMANHOLECB-4 PIPE 28DOWNSTREAMMANHOLECB-6 PIPE 29DOWNSTREAMMANHOLECB-5 PIPE 30DOWNSTREAMMANHOLECB-8 PIPE 31DOWNSTREAMMANHOLECB-7 PIPE 32DOWNSTREAMMANHOLECB-10 PIPE 33DOWNSTREAMMANHOLECB-9 BASIN EXHIBIT TRACT 7261 BASIN SIZING CALCULATIONS Provided Ex. Sump Capacity =268,125 Cu. FT 6.15 AC-FT TABLE OF RUNOFF COEFFICIENTS Ex.Phases 1-3 Phases 4-7 C x A = R-1, 6000 SF 0.42 R-1, 6750 SF 0.40 21.86 8.74 R-1, 7500 SF 0.38 32.77 12.45 R-1, 10000 SF 0.34 R-1, 15000 SF 0.27 R-2 0.55 R-3, R-4, M-H 0.8 7.87 6.30 Commercial 0.9 7.71 6.94 Industrial 0.8 Parks 0.15 Grasslands, Type A Soil 0.15 Grasslands, Type B Soil 0.25 Grasslands, Type C Soil 0.35 Grasslands, Type D Soil 0.45 Pavement, drives & roofs 0.85 2.99 3.87 5.83 PANAMA LANE 0.85 0.92 0.78 Lawn-landscape 2% slope 0.17 Lawn-landscape 2-7% slope 0.22 Lawn-landscape 7% slope 0.35 n C x A =41.04 Phases 1-3 Phases 4-7 Total 41.35 36.64 =Acres 36.64 Required Sump Capacity = 0.15 x C x A = 0.15 X n C x A =6.15 AC-FT Required Sump Capacity Provided Ex. Sump Capacity DRAINAGE EXHIBIT EXISTINGSUMP