2022 08 Drainage Report

2022-07-28 Proposed Hydrology NOAA 24-hr D 100-Year Rainfall=8.66" 2022-07-28 Proposed Hydrology NOAA 24-hr D 100-Year Rainfall=8.66" Prepared by Dynamic Engineering Printed 8/5/2022 Prepared by Dynamic Engineering Printed 8/5/2022 HydroCAD® 10.20-2d_s/n 08640 © 2021 4 HydroCAD® 10.20-2d_ sin 08640 © 2021 HydroCAD Software Solutions LLC Page 154 Summary for Link 2L: Mt. Pleasant Ave. Hydrograph for Link 2L: Mt. Pleasant Ave. Inflow Area = 3.709 ac, 11.17% Impervious, Inflow Depth= 4.49" for 100-Year event Time Inflow Elevation — Primary Time Inflow Elevation — Primary Inflow = 7.51 cfs @ 12.21 hrs, Volume= 1.387 af te Leis) eat ay haus) (ets) eat) st Primary 751 cfs@ 12.21 hrs, Volume 1.387 af, Atten= 0%, Lag= 0.0 min a en eee oro | ee Td _ - = i= 2.00 0.00 0,00 0.00 54.00 0.00 0.00 0.00 Primary outflow = Inflow, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs a0 ed aon | tesco! ca gael can 4,00 0.00 0.00 0.00 56.00 0.00 0.00 0.00 Link 2L: Mt. Pleasant Ave. 5.00 0.01 0.00 0.01 57.00 0.00 0.00 0.00 Hydrograph 6.00 0.01 0.00 0.01 | 58.00 0.00 0.00 0.00 7.00 0.02 0.00 0.02 | 59.00 0.00 0.00 0.00 8.00 0.05 0.00 0.05 | 60.00 0.00 0.00 0.00 : [fe] 9.00 0.08 = 0.00 0.08 | 67.00 0,00 0.00 0.00 ‘| =" 10,00 O15 0.00 0.15 62.00 0.00 0.00 0.00 Inflow Area=3.709 ac 11.00 034 © 0.00 034 | 63.00 0.00 0.00 0.00 D 12.00 237 0.00 237 | 64.00 0.00 0.00 0.00 13,00 413° 0.00 443 | 65.00 0.00 © 0.00 0.00 rs 14.00 2.24 0.00 2.24 66.00 0.00 0,00 0.00 15.00 1,36 0.00 1.36 67.00 0.00 0.00 0.00 16.00 0.85 0.00 0.85 68.00 0.00 0.00 0.00 z * 17.00 0.70 0,00 0.70 69.00 0.00 0.00 0.00 a 18.00 0.57 0.00 0.57 79.00 0.00 0.00 0.00 3 44 19.00 0.50 0.00 0.50 71.00 0,00 0,00 0.00 . 20.00 0.47 0.00 0.47 72.00 0.00 0,00 0.00 aj 24.00 043 0.00 0.43 22.00 040 0.00 0.40 23.00 0.37 0.00 0.37 (24.00 0.34 0.00 0.34 25.00 0.06 0.00 0.06 26.00 0.02 0.00 0.02 27.00 0,01 0.00 0.01 28,00 0.00 0.00 0.00 02-46 8 101E W 101020 2298 20 28 30 32 9698 38.40 A2 44 46 45 60 S2 54 88 88 60 62 64 OF 6870 72 29.00 00 © 9.00 0.00 ‘Time (hours) 30,00 0.00 0.00 0,00 31,00 0.00 0.00 0.00 32.00 0.00 0.00 0.00 33.00 0,00 0.00 0.00 34,00 0.00 0.00 0.00 35.00 0.00 © 0.00 0.00 36.00 0.00 0.00 0.00 37.00 0,00 0.00 0.00 38.00 0.00 0.00 0.00 39.00 0.00 0.00 0.00 40.00 0,00 0.00 0.00 41.00 0.00 0.00 0.00 42.00 0.00 0.00 0.00 43,00 0.00 0.00 0,00 44.00 0.00 0.00 0.00 45.00 0.00 0.00 0.00 46.00 0.00 0.00 0.00 47.00 0.00 0.00 0.00 48.00

0.00 39.00 0.00 0.00 0.00 40.00 0,00 0.00 0.00 41.00 0.00 0.00 0.00 42.00 0.00 0.00 0.00 43,00 0.00 0.00 0,00 44.00 0.00 0.00 0.00 45.00 0.00 0.00 0.00 46.00 0.00 0.00 0.00 47.00 0.00 0.00 0.00 48.00 0.00 0.00 0.00 49.00 0.00 © 0.00 0.00 50.00 0.00 0.00 0.00 51.00 0.00 © 0.00 0.00