SW6220201_Design Calculations (Design Volume)_20220510

WOODSHIRE PHASE 8
WET POND 1
Drainage Area: 800,608 sf
18.38 ac
Impervious Area: 346,247 sf
7.95 ac
% Impervious: 43.2%
1 inch Storm Event:
Rv = 0.05+0.009 I
Rv = runoff coefficient
I= percent impervious
Rv= 0.4392
For volume that must be controlled:
Volume=3,630*Rd*Rv*A
Volume required: 29,304 cf
Volume provided: 68173 cf
Forebay vol : 7650 cf
Average depth: 3.5 ft
SA/DA ratio 1.46
Required surface area: 0.2683 ac
11689 sf
Surface area provided: 13,210 sf