SW6220101_Design Calculations_20220119 (11)

Woodshire Subdivision Phase 7
Wet Pond
Drainage Area: 845,252 sf
19.40 ac
Impervious Area: 396,196 sf
9.10 ac
% Impervious: 46.9%
1 inch Storm Event:
Rv = 0.05+0.009 I
Rv = runoff coefficient
I= percent impervious
Rv= 0.4719
For volume that must be controlled:
Volume=3,630*Rd*Rv*A
Volume required: 33,237 cf
Volume provided: 69,061 cf
Forebay vol : cf
Average depth: 5 ft
SA/DA ration 1.242
Required surface area: 0.2410 ac
10498 sf
Surface area provided: 12,435 sf