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

SEDCAD 4 for Windows
Copydght 1988 Pamela J. Schwab
Civil Software Design
Subwatershed Hydro/ogy Detai/;

S6'u
~51V5
~k
s - ...
SNIS,Area .
(ac) .Time of -
~ ~ .~C.onc ~ ,
~~ ~hm)<.
.,Musk K
~ (hrs) -. _
~~ - - ~
Curve_
Number ~ ... . ~ Peak .`
- Discha a - . Runoff '
~~ ~VOlume ~~~'
#5 1 63.900 0.183 0.000 0.000 71.000 M 4.33 0.836
2 34.500 0.089 0.075 0.416 34.000 M 0.00 0.000
98.400 4.33 0.836
#3 1 66.500 0.035 0.117 0.416 71.000 M 10.68 0.870
2 13.700 0.096 0.000 0.000 36.000 M 0.00 0.000
80.200 9.69 0.870
#2 1 100.000 0.170 0.000 0.000 71.000 M 7.00 1.306
100.000 7.00 1.308
#1 1 43.500 0.163 0.000 0.000 71.000 M 3.07 0.569
43.500 3.07 0.569
#4 1 9.800 0.007 0.000 0.000 71.000 M 1.57 0.128
233.500 _ 19.68 2.876
#6 1 1.000 0.007 0.000 0.000 71.000 M 0.16 0.013
332.900 23.86 3.725
Subwatershed Time of Concentration Detai/s;
Stru SWS.
-
#_.:-' .#~.. ~ ~~ -~-~- ~
land Flow Condition
::r:_- ,, _' ,:--~ ~ ~ a - ~~
Slope (/o) ;
::_; ~ ._-..- ~ Vert 4rst~

- eft): Honz .41st -

_ .(R):'- , Velocity'
-
~r~(fCs). -
Tme (hrs):.,
~ ~. _:;,.
#1 1 3. Short grass pasture 20.00 50.00 250.00 3.570 0.019
6. Grassed waterway 11.63 25.00 214.96 5.110 0.011
6. Grassed waterway 23.47 115.00 469.98 7.260 0.018
6. Grassed waterway 15.37 375.02 2,439.94 5.880 0.115
#1 1 Time of Concentration: 0.163
#2 1 3. Short grass pasture 20.45 90.00 440.00 3.610 0.033
6. Grassed waterway 27.42 425.00 1,550.00 7.850 0.054
6. Grassed waterway 11.51 175.00 1,520.00 5.080 0.083
#2 1 Time of Concentration: 0.170
#3 1 3. Short g2ss pasture 15.00 60.00 399.99 3.090 0.035
#3 1 Time of Concentration: 0.035
#3 2 6. Grassed waterway 17.36 375.00 2,160.00 6.240 0.096
#3 2 Time of Concentration: 0.096
#4 1 3. Short grass pasture 20.00 20.00 100.00 3.570 0.007
#4 1 Time of Concentration: 0.007
#5 1 3. Short grass pasture 22.92 55.00 240.00 3.820 0.017
Filename: PM-4REV.sc4 Printed 12-06-2001