14-020_TentPUD_StmDes_Completeness_2017-0614 Type IA 24-hr 10 yr Rainfall=4.46" <br />Prepared by Microsoft Printed 6/13/2017 <br />HydroCADO 10.00-16 s/n 09344 © 2015 HydroCAD Software Solutions LLC Page 12 <br />Primary OutFlow Max=0.12 cfs @ 9.02 hrs HW=880.54' TW=875.53' (Dynamic Tailwater) <br />L1=Culvert (Passes 0.12 cfs of 3.76 cfs potential flow) <br />~__3=Orif 2=Orif ice/Grate (Orifice Controls 0.10 cfs @ 10.77 fps) <br />ice/Grate (Weir Controls 0.02 cfs @ 0.47 fps) <br />Summary for Pond S6: 816 FOR 10 YEAR <br />[62] Hint: Exceeded Reach R1 OUTLET depth by 0.02'@ 10.63 hrs <br />[80] Warning: Exceeded Pond R2 by 0.01'@ 8.66 hrs (0.19 cfs 0.010 af) <br />Inflow Area = <br />1.774 ac, <br />23.90% Impervious, <br />Inflow Depth = 2.79" for 10 yr event <br />Inflow = <br />0.37 cfs @ <br />9.13 hrs, <br />Volume <br />= 0.413 of <br />Outflow = <br />0.32 cfs @ <br />10.62 hrs, <br />Volume <br />= 0.413 af, Atten= 14%, Lag= 89.6 min <br />Primary = <br />0.16 cfs @ <br />10.62 hrs, <br />Volume <br />= 0.206 of <br />Secondary = <br />0.16 cfs @ <br />10.62 hrs, <br />Volume <br />= 0.206 of <br />Routing by Dyn-Stor-Ind method, Time Span= 0.00-36.00 hrs, dt= 0.01 hrs <br />Peak Elev= 876.51' @ 10.62 hrs Surf.Area= 134 sf Storage= 765 cf <br />Plug-Flow detention time= 30.4 min calculated for 0.413 of (100% of inflow) <br />Center-of-Mass det. time= 30.3 min ( 889.1 - 858.7) <br />Volume <br />Invert Avail.Storage Storag <br />e Description <br />#1 <br />870.80' <br />871 cf Custom Stage Data (Prismatic) Listed below (Recalc) <br />Elevation <br />Surf.Area <br />Inc.Store <br />Cum.Store <br />(feet) <br />(sq-ft) <br />(cubic-feet) <br />(cubic-feet) <br />870.80 <br />134 <br />0 <br />0 <br />877.30 <br />134 <br />871 <br />871 <br />Device Routina Invert Outlet Devices <br />#1 Primary <br />#2 Secondary <br />870.80' <br />8.0" Round Culvert <br />L= 20.0' CMP, square edge headwall, Ke= 0.500 <br />Inlet / Outlet Invert= 870.80'/ 870.40' S= 0.02007' Cc= 0.900 <br />n= 0.010 PVC, smooth interior, Flow Area= 0.35 sf <br />8.0" Round Culvert <br />L= 20.0' CMP, square edge headwall, Ke= 0.500 <br />Inlet / Outlet Invert= 870.80'/ 870.40' S= 0.02007' Cc= 0.900 <br />n= 0.010 PVC, smooth interior, Flow Area= 0.35 sf <br />1.6" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />1.6" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />8.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />8.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />870.80' <br />#3 <br />Device 1 <br />870.80' <br />#4 <br />Device 2 <br />870.80' <br />#5 <br />Device 1 <br />876.80' <br />#6 <br />Device 2 <br />876.80' <br />