20051854 Ver 2_Worksheets_20070605

Project Name: Moores Chapel Retail
Project No. DWQ OS-1854v2
Pond 1
SUBMITTED DESIGN: REQUIRED DESIGN:
elevations 2.7 average depth status
Bottom of Basin (ft) 690
Permanent Pool (ft) 694 4 ft. depth ok
Temporary Pool (ft) 694.81 0.81 ft. depth ok
areas
Permanent Pool SA (sq ft) 29185 11074 sq. ft. ok
Drainage Area (ac) 11.86 12363 based on avg depth ok
Impervious Area (ac) 7.48 63.1 % -
volumes
Permanent Pool (cu ft) 79938
Temporary Pool (cu ft) 95527 26590 cu. ft. ok
Forebay (cu ft) 21005 26.3 % check forebc

other parameters
SA/DA 2.4 2.14 -
Orifice Diameter (in) 3 0.15 cfs drawdown -
Design Rainfall (in) 1 7.4 day drawdown check drawc
Linear Interpolation of Correct SA/DA
Im ervious
Next Lowest 60
Project Impervious 63.1
Next Highest 70
4 ft. Permanent Pool Depth
SA/DA fron (Avg. Depth)
2.03 2.277940723 1.08
2.14 2.39 1.19
2.4 2.653160528 1.43
`' 3 ft 4
,~~ ~~s~o7