SW6200404_Design Calculations_20221123

ADDITION OF SOF SSA SITE PERMIT MOD. 09/21/2022
Ft Bragg GSB
Stormwater Pond Volume Comparison
January-2020
Wet Pond
Contour Interval (ft)
NCDEQ Requirements (cf)
EISA Option #2 Requirements (cf)
Pre vs Post Development (10-yr)
Provided in Design (cf)
Volume Main Pool Vrotr
237 - 242.50
114,602 444,4a-�­
114,972
118,621
Volume of Forebay VFe
240 - 243
17,190
17,246
17,682
Design Volume Dv
243 - 245,50
47,045 46rk9�
84,681
100,831
Pre -Development = 140,276 cf
Post -Development = 255,248 cf
A = 114,972 cf