HomeMy WebLinkAboutSDP200900008 Calculations 2008-07-01� -- �..� �� �.,=� ►�� � ►`�-i� v_r�.,. �►ter � fl � � cam--- :1•U�-�u�r t..
-� GLOECKNER ENGINEERING/SURVEYING, INC.
5j ENGINEERS SURVEYORS AND LAND PLANNERS
2246 IVY ROAD, SUITE 11
CHARLOTTESVILLE, VA 22902
TEL: 804--971--1591
FAX: 804-293-7612
r
4 SEDIMENT TRAP DESIGN
JOB NAME
JOB NO. C),C:)
DATE
DES1GN9D
SHEET NO.� OF
n 1 Drainage area = L;7 7 •`V C acres
- -- rain. volume required: (Wet and dry combined)
All traps to be dry temporary storage facilities
134 cy/drainage area = 104 x 'b`iVj cy U%4� ci
Length to width ratio = 2 to 1
Top: Width = ft, :length = 7 6 ft
Bottom: Width = :3 4 ft, length == C? Q ft
Depth - ft.
Volume provided = average top and bottom areas x depth Ilk
3G44_1j +c?(Lty x ft.
2 4 CO), Lam'
Min outlet length = 6 x drainage area = 6 x Z'y ( = 17.x,, -ft.