Analysis - Proposed Conditions NOAA 24-hr D 100 YR-C Rainfall=9.48" Prepared by Civil Core Consulting Printed 10/24/2025 HydroCAD® 10.20-7a s/n 13637 © 2025 HydroCAD Software Solutions LLC Page 394
VolumeInvertAvail.StorageStorage Description
#1A93.00'0.007 af7.65"W x 64.33"L x 2.17"H Field A 0.024 af Overall - 0.007 af Embedded = 0.017 af x 40.0% Voids
#2A93.33'0.005 afADS N-12 15" x 9 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 9 Chambers in 3 Rows 6.31" Header x 1.20 sf x 2 = 15.2 cf Inside
0.012 afTotal Available Storage
Storage Group A created with Chamber Wizard
DeviceRoutingInvertOutlet Devices
#1Discarded93.00'4.050 in/hr Exfiltration over Surface area Phase-In= 0.01'
Discarded OutFlowMax=0.05 cfs @ 11.44 hrs HW=93.02' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.05 cfs)
Pond 46P: Subsurface Basin Lot 3