PERMFILE64499

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 10/12/2006
• Section_Exhibit Name: Exhibit 08AA Haulroad A - Drainage Designs
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Structure Detai/;
Structure #3 (Erodible Channe/J
New Roadway Drainage Ditch 2
Triangular Erodible Channel Inputs:
Material: Alluvial silts colloidal
5
left Right '~, Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%) Manning's n ~ Mult. x Velocity
Ratio Ratio Depth (ft) % of Depth (VxD) (fps)
3.0:1 3.0:1 8.5 0.0250 , 3.8
Erodible Channel Results:

w/o Freeboard w/ Freeboard
Design Discharge:
--
- 0.33 cfs
-------
- ---
Depth:
-- 0.18ft
-- ~-~
-~ ~
~ ~ ~ ~~-- ~ - -
Top Width: 1.OBft
Velocity: 3.36 fps
X-Section Area:
--- - - ~ --- D.SO sq ft
-- ---- ------ -- --

Hydraulic Radius:
0.085
11

Froude Number
1.98
I
Structure #1(Erodib/e Channe/1
New Roadway Drainage Ditch 1
Triangular Erodible Channel Inputs:
Material: Alluvial silts colloidal
Left Right i Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%) Manning's n Mult. x ~ Velocity
Ratio Ratio ~ Depth (R) % of Depth (VxD) ~ (fps)
3.0:1 3.0:1 2.0 0.0250 ~, 3.E
Erodible Channel Results:

w/o Freeboard w/ Freeboard
Design Discharge:
---- -- --- 0.58 cfs
---- -------------
Depth:
~-
~ 0.29 R
~~~- ~ _
~
-
Top Width: 1.75 ft
--
Velocity: 2.26 fps
X-Section Area: 0.26 sq R
Filename: West Haul Road New Culvert 1.sc4 Printed 05-10-2006