PERMFILE133709

• Permit No: C1980005A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: POST-MINING DRAINAGE CONTROL
• Section_Exhibit Name: TAB 7 APPENDIX 7-12
• Media Type: D
• Archive: Yes

SEDCAD+ VEGETATED CHANNEL DESIGN
--------------------------------
S2 PM-7
INPUT VALUES:
Shape
Discharge
Slope
Sideslopes
Max. Velocity
Material
Freeboard
TRIANGULAR
3.00 Cfs
5.00 $
3.00:1 (L)
7.OOOfps
TALL FESCUE
0.3 ft
RESULTS:
STABILITY CLASS C CAPACITY CLASS B
Actual Discharge 2.95 2.82 cfs
Depth 0.82 1.10
Top Width 4.93 6.59
'Plocity 1.46 0.78 fps
~~~ss Sectional Area 2.03 3.62 sq ft
~ti:raulic Radius 0.39 0.52 ft
Ma„~ning's n 0.122 0.277
_-aude Number 0.40 0.18
•
3.00:1 (R)
w/ FREEBOARD
1.40 ft
8.39 ft

•
7-12-90 Revised 08/04/98