HomeMy WebLinkAboutSDP200900005 Calculations 2008-07-011=- N lm U ,..i(tA1+ S
r GLOECKNER ENGINEERING /SURVEYING, INC.JOB NAME `r71111ENGINEERSSURVEYORSANDLANDPLANNERSJOBNO • ... C) C)
2246 IVY ROAD, SUITE 11 DATE t 0.,4) 1 `c6
CHARLOTTESVILLE, VA 22902 DESIGNED BY yv‘ Cr
IEL: 804-971-1591 SHEET NO.OF
FAX: 804 -293 -7612
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SEDIMENT TRAP DESIGN
it 1 Drainage area = 7,9 37 t` 7 acres
Min. volume requiredd (Wet and dry combined)ut All traps to be dry temporary storage facilities
134 cy /drainage area = 134 x cy = ( /44 cf
Length to width ratio = 2 to 1
Top:Width =ft, length 76 ft
Bottom:Width = 3 X, ft, length =_ 3-C.) ft
Depth = 4 ft.
Volume provided = average top and bottom areas x depth
t x ft.ticf f V
Min outlet length = 6 x drainage area = 6 x Z:i7
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