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Revised Drainage Study for Tract 7372 & Parcel Merger 20-0084
Porter & Associates, Inc.Checked By: __________ Calculations By: LKR Date: __________ Date: 02-24-2021 Job No. 3151H Sheet 1 of 3 i Qi i Qp Point of Acres "C" CA SCA R/G G/T T/T 5 yr 5 yr 10 yr 10 yr Friction Vp d L T/P Conc. min. min. min. in/hr cfs in/hr cfs Slope fps in ft min. i1 2.02 0.80 1.62 11 11 1.45 2.34 1.72 2.78 0.07% 1.6 18 241.2 2 13 min. @ Junction J1 J1 2.02 1.62 2.78 0.07% 1.6 18 313.1 3 16 min. @ Junction J2 J2 2.02 1.62 2.78 0.07% 1.6 18 259.2 2 18 min. @ Junction J3 i2 3.15 0.65 2.05 17 17 1.12 2.29 1.35 2.76 0.07% 1.6 18 48.7 0 17 min. @ Junction J3 i3 1.93 0.65 1.25 10 10 1.50 1.88 1.80 2.26 0.05% 1.3 18 11.3 0 10 min. @ Junction J3 J3 7.10 4.92 18 1.31 6.44 0.38% 3.6 18 330.0 2 20 min. @ Junction J4 J4 7.10 4.92 6.44 0.38% 3.6 18 220.2 1 21 min. @ Junction J5 J5 7.10 4.92 6.44 0.38% 3.6 18 59.4 0 21 min. @ Junction J7 0.39 0.65 0.25 1.28 0.55 0.70 1.67 0.96 15 9 24 0.89 0.85 1.06 1.01 0.01% 0.6 18 43.7 0 24 min. @ Junction J6 i5 0.53 0.65 0.34 10 10 1.50 0.52 1.80 0.62 0.00% 0.4 18 15.7 0 10 min. @ Junction J6 J6 2.20 1.30 24 1.06 1.38 0.02% 0.8 18 152.3 1 25 min. @ Junction J7 J7 9.30 6.22 25 1.03 6.41 0.08% 2.0 24 81.2 1 26 min. @ Junction J8 J8 9.30 6.22 6.41 0.08% 2.0 24 196.6 2 28 min. @ Junction J10 STUB 1 6.13 0.15 0.92 10 10 1.50 1.38 1.80 1.66 0.02% 0.9 18 206.3 2 12 min. @ Junction J9 J9 6.13 0.92 1.66 0.02% 0.9 18 39.0 0 12 min. @ Junction J10 J10 15.43 7.14 28 0.95 6.78 0.09% 2.2 24 96.8 1 29 min. @ Junction J11 J11 15.43 7.14 6.78 0.09% 2.2 24 83.1 1 30 min. @ Junction J13 i6 2.33 0.34 0.79 15 5 20 1.00 0.79 1.22 0.97 0.01% 0.5 18 23.8 0 20 min. @ Junction J12 i7 7.85 0.34 2.67 15 9 24 0.89 2.38 1.06 2.83 0.07% 1.6 18 14.6 0 24 min. @ Junction J12 J12 10.18 3.46 24 1.06 3.67 0.12% 2.1 18 199.2 2 26 min. @ Junction J13 J13 25.61 10.60 30 0.90 9.54 0.18% 3.0 24 150.0 1 31 min. @ Junction J18 i8 14.40 0.34 4.90 15 14 29 0.78 3.82 0.92 4.50 0.18% 2.5 18 19.7 0 29 min. @ Junction J14 i9 6.59 0.34 2.24 15 11 26 0.85 1.90 1.00 2.24 0.05% 1.3 18 9.7 0 26 min. @ Junction J14 J14 20.99 7.14 29 0.92 6.57 0.39% 3.7 18 91.5 0 29 min. @ Junction J15 i10 4.45 0.28 1.26 15 12 27 0.82 1.04 0.97 1.23 0.01% 0.7 18 23.7 0 27 min. @ Junction J15 i11 5.55 0.28 1.58 15 9 24 0.89 1.40 1.06 1.67 0.03% 0.9 18 9.9 0 24 min. @ Junction J15 J15 30.99 9.98 29 0.92 9.18 0.16% 2.9 24 94.5 1 30 min. @ Junction J16 J16 30.99 9.98 9.18 0.16% 2.9 24 141.4 1 31 min. @ Junction J17 J17 30.99 9.98 9.18 0.16% 2.9 24 287.1 2 33 min. @ Junction J18 i12 1.58 0.27 0.43 15 4 19 1.05 0.45 1.27 0.54 0.00% 0.3 18 13.7 0 19 min. @ Junction J18 J18 58.18 21.00 33 0.84 17.64 0.19% 3.6 30 65.3 0 33 min. @ Junction J19 J19 58.18 21.00 17.64 0.19% 3.6 30 472.0 2 35 min. @ Junction J20 J20 58.18 21.00 17.64 0.19% 3.6 30 65.1 0 35 min. @ Inlet i13 1.61 0.27 0.43 15 4 19 1.05 0.46 1.27 0.55 59.79 21.44 35 0.80 17.64 0.19% 3.6 30 34.5 0 35 min. @ Junction J21 *Calculated Q in i13 & J21 must be greater or equal to J20, set equal J21 59.79 21.44 17.64 0.07% 2.5 36 168.5 1 36 min. @ Junction J22 J22 59.79 21.44 17.64 0.07% 2.5 36 188.7 0 36 min. @ Junction J23 J23 59.79 21.44 17.64 0.07% 2.5 36 476.1 0 36 min. @ Junction J36 i14 2.60 0.80 2.08 11 11 1.45 3.02 1.72 3.58 0.12% 2.0 18 77.2 1 12 min. @ Junction J24 J24 2.60 2.08 3.58 0.12% 2.0 18 181.8 1 13 min. @ Junction J25 J25 2.60 2.08 3.58 0.12% 2.0 18 268.3 0 13 min. @ Junction J28 i15 7.54 0.34 2.56 15 10 25 0.87 2.23 1.03 2.64 0.06% 1.5 18 23.7 0 25 min. @ Junction J26 i16 2.27 0.34 0.77 15 6 21 0.98 0.76 1.18 0.91 0.01% 0.5 18 13.7 0 21 min. @ Junction J26 J26 9.81 3.34 25 1.03 3.44 0.11% 1.9 18 61.8 1 26 min. @ Junction J28 i17 6.71 0.34 2.28 15 7 22 0.95 2.17 1.14 2.60 0.06% 1.5 18 23.7 0 22 min. @ Junction J27 i18 2.91 0.34 0.99 15 7 22 0.95 0.94 1.14 1.13 0.01% 0.6 18 13.7 0 22 min. @ Junction J27 J27 9.62 3.27 22 1.14 3.73 0.13% 2.1 18 71.8 1 23 min. @ Junction J28 J28 22.03 8.69 26 1.00 8.69 0.15% 2.8 24 237.8 1 27 min. @ Junction J29 J29 22.03 8.69 8.69 0.15% 2.8 24 93.3 1 28 min. @ Junction J31 i19 3.26 0.34 1.11 15 6 21 0.98 1.09 1.18 1.31 0.02% 0.7 18 15.8 0 21 min. @ Junction J30 i20 6.97 0.34 2.37 15 11 26 0.85 2.01 1.00 2.37 0.05% 1.3 18 23.7 0 26 min. @ Junction J30 J30 10.23 3.48 26 1.00 3.48 0.11% 2.0 18 66.1 1 27 min. @ Junction J31 J31 32.26 12.16 28 0.95 11.56 0.26% 3.7 24 77.7 0 28 min. @ Junction J32 J32 32.26 12.16 11.56 0.26% 3.7 24 80.3 0 28 min. @ Junction J33 J33 32.26 12.16 11.56 0.26% 3.7 24 87.5 0 28 min. @ Junction J34 i4 i13 Tract 7372 & Parcel Merger 20-0084 Sump B Hydrology Calculations Drainage Area Time of Concentration Pipeline Remarks For CB Sizing and Curb Topping Porter & Associates, Inc.Checked By: __________ Calculations By: LKR Date: __________ Date: 02-24-2021 Job No. 3151H Sheet 1 of 3 i Qi i Qp Point of Acres "C" CA SCA R/G G/T T/T 5 yr 5 yr 10 yr 10 yr Friction Vp d L T/P Conc. min. min. min. in/hr cfs in/hr cfs Slope fps in ft min. Tract 7372 & Parcel Merger 20-0084 Sump B Hydrology Calculations Drainage Area Time of Concentration Pipeline Remarks i21 4.39 0.34 1.49 15 10 25 0.87 1.30 1.03 1.54 0.02% 0.9 18 9.9 0 25 min. @ Junction J34 1.29 0.34 0.44 0.20 0.74 0.15 0.98 0.40 0.39 15 3 18 1.09 1.07 1.31 1.28 0.01% 0.7 18 19.7 0 18 min. @ Junction J34 J34 39.12 14.64 28 0.95 13.90 0.38% 4.4 24 49.8 0 28 min. @ Junction J35 i23 6.62 0.34 2.25 15 14 29 0.78 1.76 0.92 2.07 0.04% 1.2 18 14.6 0 29 min. @ Junction J35 J35 45.74 16.89 29 0.92 15.54 0.14% 3.2 30 141.2 1 30 min. @ Junction J36 J36 105.53 38.33 36 0.78 29.89 0.09% 3.1 42 155.1 1 37 min. @ Junction J37 J37 105.53 38.33 29.89 0.09% 3.1 42 103.2 1 38 min. @ Junction J38 2.97 0.34 1.01 0.98 0.25 0.25 3.58 0.65 2.33 27 27 0.82 2.94 0.97 3.47 0.11% 2.0 18 40.6 0 27 min. @ Junction J38 J38 113.06 41.91 38 0.75 31.43 0.10% 3.3 42 8.8 0 38 min. @ Inlet i25 1.31 0.65 0.85 8 10 1.50 1.28 1.80 1.53 114.37 42.76 38 0.75 32.07 0.10% 3.3 42 66.3 0 38 min. @ Sump i26 3.21 0.75 2.41 7 10 1.50 3.61 1.80 4.33 0.17% 2.5 18 74.0 1 11 min. @ Junction J39 i27 2.76 0.75 2.07 6 10 1.50 3.11 1.80 3.73 0.13% 2.1 18 25.0 0 10 min. @ Junction J39 J39 5.97 4.48 11 1.72 7.70 0.12% 2.5 24 356.0 2 13 min. @ Junction J40 J40 5.97 4.48 7.70 0.12% 2.5 24 300.0 2 15 min. @ Junction J42 Stub 6 3.06 0.42 1.29 15 0 15 1.20 1.54 1.45 1.86 0.03% 1.1 18 40.0 0 15 min. @ Junction J54 J54 3.06 1.29 15 1.45 1.86 0.03% 1.1 18 280.0 2 17 min. @ Junction J52 Stub 2 3.13 0.42 1.31 15 0 15 1.20 1.58 1.45 1.91 0.03% 1.1 18 40.0 0 15 min. @ Junction J52 J52 6.19 2.60 15 1.45 3.77 0.13% 2.1 18 96.3 1 16 min. @ Junction J41 i28 1.82 0.75 1.37 7 10 1.50 2.05 1.80 2.46 0.05% 1.4 18 78.6 1 11 min. @ Junction J41 i29 1.76 0.95 1.67 7 10 1.50 2.51 1.80 3.01 0.08% 1.7 18 29.6 0 10 min. @ Junction J41 J41 9.77 5.64 16 1.40 7.89 0.12% 2.5 24 213.7 1 17 min. @ Junction J53 Stub 3 5.90 0.42 2.48 15 0 15 1.20 2.97 1.45 3.59 0.12% 2.0 18 52.5 0 15 min. @ Junction J53 J53 15.67 8.11 17 1.35 10.95 0.23% 3.5 24 239.1 1 18 min. @ Junction J42 J42 21.64 12.59 18 1.31 16.50 0.16% 3.4 30 285.3 1 18 min. @ Junction J44 0.73 0.76 0.55 2.21 0.34 0.75 15 5 20 1.00 1.31 1.22 1.59 0.02% 0.9 18 26.4 0 20 min. @ Junction J43 i31 1.80 0.34 0.61 15 3 18 1.09 0.67 1.31 0.80 0.01% 0.5 18 13.7 0 18 min. @ Junction J43 J43 4.74 1.92 20 1.22 2.34 0.05% 1.3 18 149.1 1 21 min. @ Junction J44 J44 26.38 14.51 21 1.18 17.12 0.07% 2.4 36 241.4 2 23 min. @ Junction J47 3.25 0.58 1.89 24.45 0.42 10.27 15 14 29 0.78 9.48 0.92 11.18 0.07% 2.3 30 50.2 0 29 min. @ Junction J45 J45 27.70 12.15 11.18 0.07% 2.3 30 130.8 1 30 min. @ Junction J46 J46 27.70 12.15 11.18 0.07% 2.3 30 173.0 1 31 min. @ Junction J47 J47 54.08 26.66 31 0.88 23.46 0.05% 2.4 42 83.3 1 32 min. @ Sump Stub 5 1.18 0.25 0.30 5 10 1.50 0.44 1.80 0.53 0.00% 0.3 18 29.8 0 10 min. @ Junction J48 J48 1.18 0.30 0.53 0.00% 0.3 18 47.2 0 10 min. @ Junction J49 J49 1.18 0.30 0.53 0.00% 0.3 18 118.2 1 11 min. @ Junction J50 J50 1.18 0.30 0.53 0.00% 0.3 18 48.3 0 11 min. @ Junction J51 J51 1.18 0.30 0.53 0.00% 0.3 18 99.2 1 12 min. @ Sump R/G = Roof to Gutter Time i = Rainfall Intensity Vp = Velocity in Pipe L = Length of Pipe Reach G/T = Total Gutter Time Qi = Inlet Flow d = Pipe Diameter T/P = Pipe Travel Time T/T = Total time Qp = Pipe Flow 12.15 i24 3.58 Stub 4 i22 0.98 i25 For CB Sizing and Curb Topping i30 1.31 Porter & Associates, Inc.Checked By: __________ Calculations By: LKR Date: __________ Date: 02-24-2021 Job No. 3151H Sheet 1 of 5 station length diameter area Q velocity friction exit friction entrance flowline freeboard ft in sf cfs ft/sec slope loss loss loss HGL elevation Sump Outlet 40.34 44.30 3.96 Reach 36 66.3 42.0 9.621 32.1 3.33 0.0010 0.17 0.07 0.09 i25 43.36 47.97 4.61 Reach 37 8.8 42.0 9.621 31.4 3.27 0.0010 0.17 0.01 0.08 J38 43.62 47.97 4.35 Reach 38 103.2 42.0 9.621 29.9 3.11 0.0009 0.15 0.09 0.03 J37 43.89 48.30 4.41 Reach 39 155.1 42.0 9.621 29.9 3.11 0.0009 0.03 0.14 0.07 J36 *Matched Inverts 44.13 48.78 4.65 Reach 40 476.1 36.0 7.069 17.6 2.50 0.0007 0.10 0.33 0.02 J23 44.58 50.15 5.57 Reach 41 188.7 36.0 7.069 17.6 2.50 0.0007 0.02 0.13 0.05 J22 44.78 50.70 5.92 Reach 1 168.5 36.0 7.069 17.6 2.50 0.0007 0.10 0.12 0.05 J21 45.04 52.70 7.66 Reach 2 34.5 30.0 4.909 17.6 3.59 0.0019 0.20 0.06 0.10 i13 45.41 51.29 5.88 Reach 3 65.1 30.0 4.909 17.6 3.59 0.0019 0.20 0.12 0.04 J20 45.77 51.66 5.89 Reach 4 472.0 30.0 4.909 17.6 3.59 0.0019 0.12 0.87 0.12 J19 46.88 51.62 4.74 Reach 5 65.3 30.0 4.909 17.6 3.59 0.0019 0.04 0.12 0.04 J18 47.08 51.46 4.38 Reach 6 150.0 24.0 3.142 9.5 3.04 0.0018 0.03 0.27 0.03 J13 47.41 51.76 4.35 J13 *Storm drain drops in on the east side, match HGL to soffit 47.41 51.76 4.35 Reach 7 83.1 24.0 3.142 6.8 2.16 0.0009 0.01 0.07 0.01 J11 47.51 52.32 4.81 Reach 8 96.8 24.0 3.142 6.8 2.16 0.0009 0.01 0.09 0.01 J10 47.63 52.95 5.32 Reach 9 196.6 24.0 3.142 6.4 2.04 0.0008 0.01 0.16 0.03 J8 47.83 53.95 6.12 Reach 10 81.2 24.0 3.142 6.4 2.04 0.0008 0.06 0.07 0.03 J7 47.99 53.61 5.62 Reach 11 59.4 18.0 1.767 6.4 3.65 0.0038 0.21 0.22 0.10 J5 48.53 53.12 4.59 Reach 12 220.2 18.0 1.767 6.4 3.65 0.0038 0.21 0.83 0.04 J4 49.60 52.76 3.16 Reach 13 330.0 18.0 1.767 6.4 3.65 0.0038 0.04 1.24 0.04 J3 50.93 52.10 1.17 Reach 14 259.2 18.0 1.767 2.8 1.57 0.0007 0.01 0.18 0.01 J2 51.12 52.67 1.55 Reach 15 313.1 18.0 1.767 2.8 1.57 0.0007 0.01 0.22 0.02 J1 51.37 53.16 1.79 Reach 16 241.2 18.0 1.767 2.8 1.57 0.0007 0.04 0.17 0.02 i1 51.60 52.55 0.95 J38 43.62 47.97 4.35 Reach 42 40.6 18.0 1.767 3.5 1.97 0.0011 0.01 0.04 0.03 i24 43.70 47.98 4.28 J18 47.08 51.46 4.38 Reach 17 287.1 24.0 3.142 9.2 2.92 0.0016 0.13 0.47 0.03 J17 47.71 50.48 2.77 Reach 18 141.4 24.0 3.142 9.2 2.92 0.0016 0.03 0.23 0.03 J16 48.00 49.95 1.95 Reach 19 94.5 24.0 3.142 9.2 2.92 0.0016 0.03 0.16 0.03 J15 48.21 49.60 1.39 Reach 20 91.5 18.0 1.767 6.6 3.72 0.0039 0.04 0.36 0.11 J14 48.72 49.60 0.88 J15 48.21 49.60 1.39 Reach 21 23.7 18.0 1.767 1.2 0.69 0.0001 0.01 0.00 0.00 i10 48.22 49.60 1.38 Tract 7372 & Parcel Merger 20-0084 Sump B Hydraulic Grade Line Calculations Porter & Associates, Inc.Checked By: __________ Calculations By: LKR Date: __________ Date: 02-24-2021 Job No. 3151H Sheet 1 of 5 station length diameter area Q velocity friction exit friction entrance flowline freeboard ft in sf cfs ft/sec slope loss loss loss HGL elevation Tract 7372 & Parcel Merger 20-0084 Sump B Hydraulic Grade Line Calculations J15 48.21 49.60 1.39 Reach 22 9.9 18.0 1.767 1.7 0.95 0.0003 0.01 0.00 0.01 i11 48.23 49.60 1.37 J14 48.72 49.60 0.88 Reach 23 19.7 18.0 1.767 4.5 2.55 0.0018 0.10 0.04 0.05 i8 48.90 49.60 0.70 J14 48.72 49.60 0.88 Reach 24 9.7 18.0 1.767 2.2 1.27 0.0005 0.02 0.00 0.01 i9 48.76 49.60 0.84 J18 *Drops in from south 46.76 51.46 4.70 Reach 25 13.7 18.0 1.767 0.5 0.31 0.0073 0.00 0.10 0.00 i12 47.86 51.46 3.60 J13 47.41 51.76 4.35 Reach 26 199.2 18.0 1.767 3.7 2.08 0.0012 0.07 0.24 0.03 J12 47.75 50.66 2.91 J12 47.75 50.66 2.91 Reach 27 23.8 18.0 1.767 1.0 0.55 0.0001 0.00 0.00 0.00 i6 47.76 50.66 2.90 J12 47.75 50.66 2.91 Reach 28 14.6 18.0 1.767 2.8 1.60 0.0007 0.04 0.01 0.02 i7 47.82 50.66 2.84 J10 *Matched Inverts 47.63 52.95 5.32 Reach 29 39.0 18.0 1.767 1.7 0.94 0.0002 0.01 0.01 0.01 J9 47.66 55.60 7.94 Reach 30 206.3 18.0 1.767 1.7 0.94 0.0002 0.01 0.05 0.01 Stub 1 47.73 49.55 1.82 J7 47.99 53.61 5.62 Reach 31 152.3 18.0 1.767 1.4 0.78 0.0002 0.01 0.03 0.00 J6 48.04 52.79 4.75 J6 48.04 52.79 4.75 Reach 32 43.7 18.0 1.767 1.0 0.57 0.0001 0.01 0.00 0.00 i4 48.07 52.79 4.72 J6 48.04 52.79 4.75 Reach 33 15.7 18.0 1.767 0.6 0.35 0.0000 0.00 0.00 0.00 i5 48.07 52.79 4.72 J3 50.93 52.10 1.17 Reach 34 48.7 18.0 1.767 2.8 1.56 0.0007 0.04 0.03 0.02 i2 51.02 52.10 1.08 J3 50.93 52.10 1.17 Reach 35 11.3 18.0 1.767 2.3 1.28 0.0005 0.03 0.01 0.01 i3 50.97 52.10 1.13 J36 *Matched Inverts 44.13 48.78 4.65 Reach 43 141.2 30.0 4.909 15.5 3.16 0.0014 0.16 0.20 0.08 J35 *Matched Inverts 44.57 48.60 4.03 Reach 44 49.8 24.0 3.142 13.9 4.43 0.0038 0.30 0.19 0.06 J34 45.12 48.50 3.38 Reach 45 87.5 24.0 3.142 11.6 3.68 0.0026 0.04 0.23 0.04 J33 45.43 48.72 3.29 Reach 46 80.3 24.0 3.142 11.6 3.68 0.0026 0.04 0.21 0.04 J32 45.72 48.92 3.20 Porter & Associates, Inc.Checked By: __________ Calculations By: LKR Date: __________ Date: 02-24-2021 Job No. 3151H Sheet 1 of 5 station length diameter area Q velocity friction exit friction entrance flowline freeboard ft in sf cfs ft/sec slope loss loss loss HGL elevation Tract 7372 & Parcel Merger 20-0084 Sump B Hydraulic Grade Line Calculations Reach 47 77.7 24.0 3.142 11.6 3.68 0.0026 0.04 0.20 0.04 J31 46.01 49.14 3.13 Reach 48 93.3 24.0 3.142 8.7 2.76 0.0015 0.02 0.14 0.02 J29 46.20 49.36 3.16 Reach 49 237.8 24.0 3.142 8.7 2.76 0.0015 0.02 0.35 0.02 J28 46.59 49.80 3.21 Reach 50 268.3 18.0 1.767 3.6 2.02 0.0012 0.01 0.31 0.01 J25 46.93 51.73 4.80 Reach 51 181.8 18.0 1.767 3.6 2.02 0.0012 0.01 0.21 0.01 J24 47.17 52.93 5.76 Reach 52 77.2 18.0 1.767 3.6 2.02 0.0012 0.01 0.09 0.03 i14 47.30 53.33 6.03 J35 44.57 48.60 4.03 Reach 53 14.6 18.0 1.767 2.1 1.17 0.0004 0.02 0.01 0.01 i23 44.60 48.60 4.00 J34 45.12 48.50 3.38 Reach 54 9.9 18.0 1.767 1.5 0.87 0.0002 0.01 0.00 0.01 i21 45.14 48.50 3.36 J34 *Drops in from east 45.12 48.50 3.38 Reach 55 19.7 18.0 1.767 1.3 0.73 0.0001 0.01 0.00 0.00 i22 45.13 48.43 3.30 J31 46.01 49.14 3.13 Reach 56 66.1 18.0 1.767 3.5 1.97 0.0011 0.06 0.07 0.03 J30 46.17 48.93 2.76 Reach 57 15.8 18.0 1.767 1.3 0.74 0.0002 0.01 0.00 0.00 i19 46.19 48.93 2.74 J30 *Drops in from south 46.17 48.93 2.76 Reach 58 23.7 18.0 1.767 2.4 1.34 0.0005 0.03 0.01 0.01 i20 46.23 48.93 2.70 J28 *Matching invert with 24" S 46.59 49.80 3.21 Reach 59 61.8 18.0 1.767 3.4 1.94 0.0011 0.06 0.07 0.03 J26 *Drops in from north 46.75 49.63 2.88 Reach 60 23.7 18.0 1.767 2.6 1.49 0.0006 0.03 0.01 0.02 i15 46.82 49.63 2.81 J26 46.75 49.63 2.88 Reach 61 13.7 18.0 1.767 0.9 0.52 0.0001 0.00 0.00 0.00 i16 46.76 49.63 2.87 J28 *Matching invert with 24" S 46.59 49.80 3.21 Reach 62 71.8 18.0 1.767 3.7 2.11 0.0013 0.07 0.09 0.03 J27 46.79 49.63 2.84 Reach 63 23.7 18.0 1.767 2.6 1.47 0.0006 0.03 0.01 0.02 i17 46.85 49.63 2.78 J27 46.79 49.63 2.84 Reach 64 13.7 18.0 1.767 1.1 0.64 0.0001 0.01 0.00 0.00 i18 46.80 49.63 2.83 Sump Outlet 40.34 44.30 3.96 Reach 65 83.3 42.0 9.621 23.5 2.44 0.0005 0.09 0.05 0.05 J47 40.52 49.31 8.79 Reach 66 241.4 36.0 7.069 17.1 2.42 0.0007 0.09 0.16 0.02 J44 40.79 49.80 9.01 Reach 67 285.3 30.0 4.909 16.5 3.36 0.0016 0.04 0.46 0.09 J42 *Matched Inverts N-S 41.38 51.17 9.79 Reach 68 300.0 24.0 3.142 7.7 2.45 0.0012 0.09 0.35 0.02 Porter & Associates, Inc.Checked By: __________ Calculations By: LKR Date: __________ Date: 02-24-2021 Job No. 3151H Sheet 1 of 5 station length diameter area Q velocity friction exit friction entrance flowline freeboard ft in sf cfs ft/sec slope loss loss loss HGL elevation Tract 7372 & Parcel Merger 20-0084 Sump B Hydraulic Grade Line Calculations J40 41.84 49.84 8.00 Reach 69 356.0 24.0 3.142 7.7 2.45 0.0012 0.02 0.41 0.05 J39 42.31 46.00 3.69 Reach 70 74.0 18.0 1.767 4.3 2.45 0.0017 0.09 0.13 0.05 i26 43.62 46.50 2.88 J39 42.31 46.00 3.69 Reach 71 25.0 18.0 1.767 3.7 2.11 0.0013 0.07 0.03 0.03 i27 42.45 46.00 3.55 J44 40.79 49.80 9.01 Reach 72 149.1 18.0 1.767 2.3 1.32 0.0005 0.03 0.07 0.01 J43 40.96 49.40 8.44 Reach 73 26.4 18.0 1.767 1.6 0.90 0.0002 0.01 0.01 0.01 i30 41.17 49.36 8.19 J43 40.96 49.40 8.44 Reach 74 13.7 18.0 1.767 0.8 0.45 0.0001 0.00 0.00 0.00 i31 41.17 49.40 8.23 J42 41.38 51.17 9.79 Reach 76 239.1 24.0 3.142 11.0 3.49 0.0023 0.19 0.56 0.09 J53 42.22 49.86 7.64 Reach 75 52.5 18.0 1.767 3.6 2.03 0.0012 0.06 0.06 0.03 Stub 3 42.38 49.86 7.48 J53 42.22 49.86 7.64 Reach 88 213.7 24.0 3.142 7.9 2.51 0.0012 0.10 0.26 0.05 J41 42.63 48.87 6.24 Reach 77 78.6 18.0 1.767 2.5 1.39 0.0005 0.03 0.04 0.02 i28 42.72 48.88 6.16 J41 42.63 48.87 6.24 Reach 78 29.6 18.0 1.767 3.0 1.70 0.0008 0.05 0.02 0.02 i29 42.72 48.87 6.15 J41 42.63 48.87 6.24 Reach 89 96.3 18.0 1.767 3.8 2.13 0.0013 0.07 0.12 0.04 J52 42.86 48.87 6.01 Reach 79 40.0 18.0 1.767 1.9 1.08 0.0003 0.02 0.01 0.01 Stub 2 42.90 49.86 6.96 J52 42.86 48.87 6.01 Reach 90 280.0 18.0 1.767 1.9 1.05 0.0003 0.02 0.09 0.01 J54 42.97 49.78 6.81 Reach 91 40.0 18.0 1.767 1.9 1.05 0.0003 0.02 0.01 0.01 Stub 6 43.01 49.78 6.77 J47 40.52 49.31 8.79 Reach 80 173.0 30.0 4.909 11.2 2.28 0.0007 0.08 0.13 0.04 J46 40.77 48.88 8.11 Reach 81 130.8 30.0 4.909 11.2 2.28 0.0007 0.08 0.10 0.04 J45 40.99 48.30 7.31 Reach 82 50.2 30.0 4.909 11.2 2.28 0.0007 0.08 0.04 0.04 Stub 4 41.15 48.10 6.95 Sump Outlet 40.30 44.30 4.00 Reach 83 99.2 18.0 1.767 0.5 0.30 0.0000 0.00 0.00 0.00 J51 40.41 51.30 10.89 Reach 84 48.3 18.0 1.767 0.5 0.30 0.0000 0.00 0.00 0.00 J50 41.86 51.60 9.74 Reach 85 118.2 18.0 1.767 0.5 0.30 0.0000 0.00 0.00 0.00 J49 45.40 52.00 6.60 Porter & Associates, Inc.Checked By: __________ Calculations By: LKR Date: __________ Date: 02-24-2021 Job No. 3151H Sheet 1 of 5 station length diameter area Q velocity friction exit friction entrance flowline freeboard ft in sf cfs ft/sec slope loss loss loss HGL elevation Tract 7372 & Parcel Merger 20-0084 Sump B Hydraulic Grade Line Calculations Reach 86 47.2 18.0 1.767 0.5 0.30 0.0000 0.00 0.00 0.00 J48 46.82 49.84 3.02 Reach 87 29.8 18.0 1.767 0.5 0.30 0.0000 0.00 0.00 0.00 Stub 5 47.71 50.68 2.97 J = Junction Number i = Inlet Number