Analysis - Proposed Conditions Prepared by Civil Core Consulting HydroCAD® 10.20-8a s/n 13637 © 2025 HydroCAD Software Solutions LLC NOAA 24-hr D 10 YR-F Rainfall=6.34" Printed 12/19/2025 Page 221
Time span=0.00-72.00 hrs, dt=0.01 hrs, 7201 points Runoff by SCS TR-20 method, UH=Delmarva, Split Pervious/Imperv. UI as Pervious Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method
Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method
Subcatchment2S: DA-P1 PERVIOUSRunoff Area=1.220 ac 0.00% Impervious Runoff Depth=0.55" Flow Length=525' Tc=14.2 min CN=39/0 Runoff=0.17 cfs 2,423 cf
Subcatchment3S: DA-P3 PERVIOUSRunoff Area=0.680 ac 0.00% Impervious Runoff Depth=0.55" Flow Length=363' Tc=11.5 min CN=39/0 Runoff=0.10 cfs 1,351 cf
Subcatchment4S: DA-P2 PERVIOUSRunoff Area=0.430 ac 0.00% Impervious Runoff Depth=0.55" Flow Length=168' Slope=0.0300'/' Tc=8.7 min CN=39/0 Runoff=0.07 cfs 854 cf
Subcatchment6S: DA-P3 IMPERVIOUSRunoff Area=0.200 ac 100.00% Impervious Runoff Depth=6.10" Flow Length=155' Tc=4.3 min CN=0/98 Runoff=1.10 cfs 4,430 cf
Subcatchment7S: DA-P2 IMPERVIOUSRunoff Area=0.190 ac 100.00% Impervious Runoff Depth=6.10" Flow Length=172' Tc=4.3 min CN=0/98 Runoff=1.05 cfs 4,208 cf
Subcatchment8S: DA-P1 IMPERVIOUSRunoff Area=0.400 ac 100.00% Impervious Runoff Depth=6.10" Flow Length=372' Slope=0.0200'/' Tc=2.5 min CN=0/98 Runoff=2.49 cfs 8,859 cf
Subcatchment14S: LOT 11 RoofRunoff Area=3,000 sf 100.00% Impervious Runoff Depth=6.10" Flow Length=40' Tc=0.3 min CN=0/98 Runoff=0.46 cfs 1,525 cf
Pond 2P: Subsurface Infiltration Basin 1Peak Elev=87.03' Storage=31 cf Inflow=0.65 cfs 11,301 cf Discarded=0.57 cfs 11,301 cf Primary=0.00 cfs 0 cf Outflow=0.57 cfs 11,301 cf
Pond 5P: BIORETENTION BASIN 1APeak Elev=93.74' Storage=5,607 cf Inflow=2.50 cfs 11,283 cf Outflow=0.27 cfs 9,776 cf
Pond 6P: BIORETENTION BASIN 2APeak Elev=95.03' Storage=78 cf Inflow=0.07 cfs 854 cf Outflow=0.06 cfs 807 cf
Pond 8P: INFILTRATIONBASIN 3Peak Elev=91.23' Storage=548 cf Inflow=0.94 cfs 5,677 cf Discarded=0.27 cfs 5,677 cf Primary=0.00 cfs 0 cf Outflow=0.27 cfs 5,677 cf
Pond 10P: PERVIOUS PAVEMENT2BPeak Elev=94.85' Storage=1,015 cf Inflow=1.05 cfs 4,208 cf Outflow=0.83 cfs 4,204 cf
Pond 15P: PERVIOUS PAVEMENT3BPeak Elev=94.86' Storage=994 cf Inflow=1.10 cfs 4,430 cf Outflow=0.94 cfs 4,426 cf
Pond 33P: INFILTRATIONBASIN 2Peak Elev=93.12' Storage=1,207 cf Inflow=0.83 cfs 5,011 cf Discarded=0.13 cfs 5,011 cf Primary=0.00 cfs 0 cf Outflow=0.13 cfs 5,011 cf
Pond 42P: BIORENTION BASIN 3APeak Elev=94.07' Storage=204 cf Inflow=0.10 cfs 1,351 cf Outflow=0.07 cfs 1,251 cf
Link 32L: POA1Inflow=0.00 cfs 0 cf Primary=0.00 cfs 0 cf