PERMFILE45602

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 2/28/2006
• Doc Name: Postmining Channels SEDCAD4 YPM-1 to YPM-6A
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.3
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
n~~,,.~nn~ io°a o~,..em i c~n,.m~.
Subwatershed Hydro%gy Detai/;

Stru SWS
# #
SWS Area
(ac} Time of
Conc

(hrs)
Musk K
(hrs}
Musk X
Curve
Number
UHS Peak
Discharge

(cfs) Runoff
Volume

(ac-ft)
#1 1 3.600 0.024 0.041 0.428 71.000 M O.S8 0.047
2 7.000 0.023 0.032 0.431 48.000 M O.OD 0.000
3 9.400 0.049 O.ODO 0.000 71.000 M 1.51 0,123
20.000 2.09 0.170
Subwatershed Time of Concentration Detai/s:
`J
Stru SWS land Flow Condition Slope (%) Vert. Dist. Horiz. Dist. Velocity Time (hrs)
# # (R) (ft) (fps)
#1 1 5. Nearly bare and untitled, and 20.00 80.00 400.00 4.470 0.024
alluvial valley fans
#1 1 Time of Concentretion: 0.024
#1 2 3. Short grass pasture 23.08 60.00 260.00 3.840 0.018
8. l.~irge gullies, diversions, and low 15.91 35.00 220.00 11.960 005
0
flowing s[reams .
#1 2 Time of Concentration: 0.023
#1 3 5. Nearly bare and unfilled, and 22.50 90.00 400.00 740
4 0
023
alluvial valley fans . .
7. Paved area and small upland 13.D4 60.00 460.00 7.270 0.017
gullies
8. Large gullies, diversions, and low 13.75 55.00 400.00 11.120 0.009
Flowing streams
#1 3 Time of Concentration: 0.049
Subwatershed Muskingum Routing Detai/s;

Stru SWS ljnd Flow Condition Slope (%) Vert. Dist. Horiz. Dist. Velocity Time (hrs)
# # (ft) (ft) (fps)
#i 1 7, Paved area and small upland 20.62 100.00 485.00 9.140 0.014
gullies
8. Large gullies, diversions, and low 12.50 130.00 1,040.00 10.600 0.027
Flowing sVeams
#1 1 Muskingum K: 0.041
#1 2 8. Large gullies, diversions, and low 12.62 25.00 195.00 10.740 0.005
Flowing streams
8. large gullies, diversions, and low 12.50 130.00 1,040.00 10.600 0.027
Flowing streams
#1 2 Muskingum K: 0.032
#1 3 0.00 0.00 0.00 0.000 0.000
#1 3 Muskingum K: 0.000
Filename: YPM-4.sc4 Printed 03-03-2005