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MSE 24-hr 3 10-Year Rainfall=4.26"2021-07-20 Pond NEW DESIGN Printed 7/16/2021Prepared by j Page 7HydroCAD® 10.10-3a s/n 03363 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: To Stormtech Runoff =4.33 cfs @ 12.14 hrs, Volume=0.233 af, Depth= 3.73" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.00-72.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (sf) CN Description 6,652 84 50-75% Grass cover, Fair, HSG D 25,968 98 Paved parking, HSG D 32,620 95 Weighted Average 6,652 84 20.39% Pervious Area 25,968 98 79.61% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet)(ft/ft) (ft/sec)(cfs) 7.0 Direct Entry, Summary for Subcatchment 5S: Direct Runoff Runoff =0.86 cfs @ 12.12 hrs, Volume=0.039 af, Depth= 2.94" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.00-72.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (sf) CN Description 1,650 98 Paved parking, HSG D 5,362 84 50-75% Grass cover, Fair, HSG D 7,012 87 Weighted Average 5,362 84 76.47% Pervious Area 1,650 98 23.53% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet)(ft/ft) (ft/sec)(cfs) 5.0 Direct Entry, Summary for Reach 4R: Proposed Inflow Area =0.910 ac, 69.69% Impervious, Inflow Depth = 3.59" for 10-Year event Inflow =3.12 cfs @ 12.19 hrs, Volume=0.272 af Outflow =3.12 cfs @ 12.19 hrs, Volume=0.272 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind+Trans method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs