PERMFILE44218

• Permit No: C1982057
• IBM Index Class Name: Permit File
• Doc Date: 5/1/2003
• Doc Name: Post Mining Channel Design
• Section_Exhibit Name: Tab 13 Attachment 13-5B Appendix 3
• Media Type: D
• Archive: No

~EDCAD 4.0
~pyright 1998 Pamela J. Schwab
vii Software Design
Post Mining Channel PM-4
Material: Rlprap
Tiapezoida/ Channel
Bottorri -::t.eR - ~ ~ Right - :.~-,
~ Freetxiard Freeboard. Freeboard
..
Sideslope
Widtli-(R) ~--qa~
~ .~Sideslope.,
,: Slope{9/o);
Ratio ~~ ..,::.
:' ~ '-~ ~ -
Depth~(ft) "/o~of-Depffi - .tAUlt•x
~-
o .
,
._ ._ ~pa
. .
5.00 3.0:1 3.0:1 30.0 1.00
SimonsjOSM Method -Steep Slope Design

~ ~_ _ ..
. w/o Freeboard .:. _-'wy, Freebpatd,,
Design Discharge: 9.70 cfs
Depth: 0.09 R 1.09 R
Top Width: 5.54 ft 11.54 R
Velocity*:
X-Section Area: 0.48 sq R
Hydraulic Radius: 0.086
Froude Number*: -
Manning's n*:
Dmin: 4.00 in
D50: 12.00 in
Dmax: 15.00 in
Velocity and Manning's n calculations may not apply for this method.
SEDCAD Utility Run Primed 12-06-2001