2012-02-03_PERMIT FILE - C1981012

• Permit No: C1981012
• IBM Index Class Name: Permit File
• Doc Date: 2/3/2012
• Doc Name: DEVELOPMENT WASTE DISPOSAL AREA
• Section_Exhibit Name: Exhibit 39 Development Waste Disposal Area Stormwater Calculation Summary
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Structure Detail;
Structure #2 (Erodible Channel
Ditch D -14
Trapezoidal Erodible Channel Inputs:
Material: Alluvial silts colloidal
Bottom - Left = Rghf
Freeboard Freeboard = Freeboard -
Limiting
— Sideslope - Sldeslope Slope ( °!o) Mannings n
Width (R) _
:. _ -
° -Depth
Velocity (fps }:'
Ratio Ratio=
Depth;(ft} /o of De Mult x.(VxD):.
_
.
3.00 1.0:1 1.0:1 1.0 0.0250
0.30
5.0
Erodible Channel Results:
- eeboard__ . /F reeboard =:
Design Discharge:
6.83 cfs
Depth:
0.56 ft 0.66 ft
Top Width:
4.12 ft 4.72 ft
Velocity:
X- Section Area:
Hydraulic Radius:
3.42 fps
2.00 sq ft
0.435 ft
Froude Number:
0.87
Filename: Ditches 1214-100 Year.sc4
Printed 10 -07 -2011
TR -60 Exh. 39 -17 10/11