PERMFILE57978

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 3/2/2004
• Doc Name: Post Mining Channels SEDCAD4 Results
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.3
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Copyright 1998 Pamela J. Schwab
Cwil Sorywaie Design
• Subwatershed Nydro%gy Detai/:

5tru'.. SWS '

#.;,' #
.SWSArea,.

(ac) Time of,

- coot ~
Musk_K,.
~
-:.(hrs) ~ ". ~'~

Muik~X ~ ~ ~" ~"
Curve
~~~.
Number " '~

"" UHS r Peak.

Discharge ~• Runoff-. "

-~, volume `
#1 1 95.000 0.195 0.101 0.419 71.000 M 6.24 1.243
2 11.800 0.062 0.067 0.418 41.000 M 0.00 0.000
3 19.900 0.055 0.185 0.413 41.000 M 0.00 0.000
4 175.900 0.128 0.000 0.000 71.000 M 12.42 2.301
5 4.200 0.027 0.056 0.425 50.000 M 0.00 0.000
6 10.700 0.013 0.073 0.396 50.000 M 0.00 0.000
7 1.800 0.010 0.000 0.000 71.000 M 0.29 0.024
319.300 17.02 3.568
Subwatershed Time of Concentration Detai/s:

•
Stru SWS , ~ Land Flow Coodi[ion Slope (°k} " -Vert. Dist..' ~~ Hofiz. Dist. ,Velocity Time (hrs)'

#1 1 5. Nearly bare and un[illed, and 20.00 80.00 400.00 4.470 0.024
alluvial valley fans
7. Paved area and small upland 20.00 60.00 300.00 9.000 0.009
gullies
7. Paved area and small upland 8.86 310.00 ~ 3,500.00 5.990 0.162
gullies
#1 1 Time of Concentration: ~ 0.195
#1 2 3. Short grass pasture 50.00 100.00 200.00 5.650 0.009
6, Grassed waterway 8.82 75.00 850.00 4.450 0.053
#1 2 Time ofConcentration: 0.062
#1 3 3. Short grass pasture 8.00 20.00 250.00 2.260 0.030
6. Grassed waterway 11.11 50.00 450.00 4.990 0.025
#1 3 Time of Concentration: 0.055
#1 q 5. Nearly bare and unfilled, and 16.67 75.00 450.00 4.060 0.030
alluvial valley fans
7. Paved area and small upland 24.00 300.00 1,250.00 9.860 0.035
gullies
8. Large gullies, diversions, and law 9 52 200.00 2
100.00 9.250 0.063
Flowing streams ,
#1 4 Time of Concentration: 0.128
#1 5 3. Short grass pasture 26.25 105.00 400.00 4.090 0.027
#1 5 Time of Concentration: 0.027
#1 6 3. Short grass pasture 25.00 50.00 200.00 4.000 0.013
#1 6 Time of Concentration: 0.013
Filename. ypm6sc4 Pnnled 0447-2000