2009-01-07_PERMIT FILE - C1981022 ‎(7)‎

• Permit No: C1981022
• IBM Index Class Name: Permit File
• Doc Date: 1/7/2009
• Doc Name: Bear Creek Fan Site ‎(Culvert Design, Main Channel Design, & Main Postmine Channel Design)‎
• Section_Exhibit Name: Exhibit 2.05-E3 Section 10ww
• Media Type: D
• Archive: No

SEDCAD 4.0
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Bear Creek Fansite -Main Channel Design (Slope Range
21.5-32.01
Material; Riprap
Trapezoidal Channel
Left Right
Bottom Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
Width (ft)
Mult. x
Ratio Ratio Depth (ft) % of Depth
(VxD)
1.00 3.0:1 3.0:1 21.5 ~ 0.30
PADER Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 1.50 cfs
Depth: 0.21 ft 0.51 ft
Top Width:
-
~--- 2.23 ft 4.03 ft
_
--_ -
Velocity: 4.52 fps
_- ----_ _ -
X-Section Area: 0.33 sq ft
Hydraulic Radius: 0.144 ft
Froude Number:
-- 2.07
- -~-
_
Manning's n: 0.0420 ~
--- ---
Dmin: 2.00 in
D50:
_-- 3.00 in
----
Dmax: 4.50 in ------- -_--
SEDCAD Utility Run Printed 12-18-2008