Summary for Pond 39P: Subsurface Basin Lot 2

Inflow Area = 1,850 sf, 100.00% Impervious, Inflow Depth = 5.14" for 10 YR-C event Inflow = 0.24 cfs @ 12.09 hrs, Volume= 793 cf Outflow = 0.07 cfs @ 11.85 hrs, Volume= 793 cf, Atten= 71%, Lag= 0.0 min Discarded = 0.07 cfs @ 11.85 hrs, Volume= 793 cf Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs Peak Elev= 93.65' @ 12.21 hrs Surf.Area= 0.009 ac Storage= 0.002 af Plug-Flow detention time= 5.3 min calculated for 793 cf (100% of inflow) Center-of-Mass det. time= 5.3 min (748.3 - 743.1)

VolumeInvertAvail.StorageStorage Description
#1A93.00'0.005 af7.65"W x 49.33"L x 2.17"H Field A
0.019 af Overall - 0.005 af Embedded = 0.013 af x 40.0% Voids
#2A93.33'0.004 afADS N-12 15" x 6 Inside #1 Inside = 14.8"W x 14.8"H => 1.20 sf x 20.00"L = 24.0 cf Outside = 18.0"W x 18.0"H => 1.60 sf x 20.00"L = 31.9 cf Row Length Adjustment= +5.00' x 1.20 sf x 3 rows 6.31' Header x 1.20 sf x 2 = 15.2 cf Inside

0.009 af Total Available Storage

Storage Group A created with Chamber Wizard

DeviceRoutingInvertOutlet Devices
#1Discarded93.00'7.850 in/hr Exfiltration over Surface area
Discarded OutFlowMax=0.07 cfs @ 11.85 hrsHW=93.02' (Free Discharge)
1=Exfiltration (Exfiltration Controls 0.07 cfs)

Pond 39P: Subsurface Basin Lot 2

Exfiltration