PERMFILE58585

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 9/26/2005
• Doc Name: Appendix A to Appendix C -Report Dated 11/10/03
• Section_Exhibit Name: Coal Mine Waste Disposal Area No. 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
r,...,,.:nm woq o~mnia i Gm.mp
25-Year Event Peak Flow
Structure Summary;
Immediate
Contributing
Area
tac) Total
Contributing
Area
(ac) peak
Discharge

t~s) Total
Runoff
Volume
(ac-ft)
#23 1.320 1.320 0.76 0.06
#24 1.500 2.820 2.18 0.17
#31 304.500 304.500 1.90 0.78
#21 ~ 6.700 6.700 9.18 0.79
#18 0.840 0.840 1.15 0.10
#29 0.000 7.540 10.33 0.68
#19 0.450 7.990 10.95 0.94
#16 0.570 0.570 0.60 0.05
#15 _ 0.240 0.240 0.25 0.02
#28 0.000 0.810 0.85 0.07
#14 1.110 1.920 2.03 0.16
#12 1.440 1.440 1.52 0.12
#22 1.240 317.090 16.94 2.04
#8 0.350 0.350 0.37 0.03
#30 44.000 44.000 2.49 0.30
#20 8.180 6.180 11.21 0.96
#17 1.490 1.490 2.04 0.17
#13 1.780 1.780 1.88 0.15
#9 0.380 0.380 0.40 0.03
#27 0.000 0.380 0.40 0.03
#11 0.770 0.770 0.81 0.06
#10 0.970 2.120 2.24 0.17
#5 0.870 0.870 0.66 0.05
#6 1.070 59.510 21.65 1.89
# 1 1.050 1.050 1.11 0.09
#25 0.000 1.050 1.11 0.09
#3 1.040 1.040 0.88 0.07
#2 4.120 5.160 3.75 0.28
#4 0.390 6.600 5.27 0.40
#26 0.000 66.460 27.29 2.32
#7 2.070 68.530 29.47 2.49
In
#32*
Out
0.000
388.440 48.59

0.00 4.70

0.00
#33 0.000 388.440 48.59 4.70
• *Denotes structures wlth incomplete design parameters. Results for tfrese structures have not been evaluated,
and may affect downstream structures.
Filename: GobPileDitches.sc4
App-B - 35 -
Printed 10-29-2003
11 /03