20061651 Ver 1_Stormwater Info_20061201

Project Name: W Chatham St
Project No. DWQ 061651
DA 1
SUBMITTED DESIGN:
elevations
Permanent Pool (ft) 440
Temporary Pool (ft) 441.19
areas
Permanent Pool SA (sq ft)
Drainage Area (ac) 9.43
Impervious Area (ac) 4.02
Forebay (ft2) 3044
High Marsh (ft2) 2874
Low Marsh (ft2) 3179
Micropool (ft2) 322
volumes
Temporary Pool (cu ft)
other parameters
SA/DA
Orifice Diameter (in)
Design Rainfall (in)
Linear Interpolation of Correct SA/DA
Next Lowest
Project Impervious
Next Highest
Im ervious
40
42.6
~5~0 -~
~~
REQUIRED DESIGN:
3
1.19 ft. depth
7463 sq. ft.
42.6
27.258888
25.7
28.5
2.883496
84.34674
14845 cu. ft.
1.82
0.08 cfs drawdown
2.2 day drawdown
3 ft. Permanent Pool Depth
SA/DA from Table
1.73
1.82
2.06
~~~~
~~~/oE
F~p,Wli+,~.
ok
ok
checkforebc
check marsh
check rnarsh
check micro,
ok
ok