PERMFILE122831

• Permit No: C1984062
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 3 ‎(Set 2A)‎ SEDIMENTATION POND DESIGN ENERGY MINE NO 3
• Media Type: D
• Archive: No

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E-2
Table E-1.-dope adjustment factors by drainage areas
FIAT STAPES
Slope
(per- 10 20 50 100 200 500 1,000 2,000
cent) acres acres acres acres acres acres acres acres
0.1 0.49 0.47 0.44 0.43 0.42 0.41 0.41 0.40
0.2 .61 .59 .56 .55 .54 .53 .53 .52
0.3 .69 .67 .65 .64 .63 .62 ,62 .61
0.4 ,76 .74 .72 .71 .70 .69 .69 .69
0.5 .82 .80 .78 .77 .77 .76 .76 .76
G.7 .90 .89 .88 .87 .87 .87 .87 .87
~.0 1.00 1.00 ~.00 1.00 1.00 1.00 1.00 I.00
1.5 1.13 i. 14 '_. 14 ~~.15 1.16 1.17 1.17 1.17
2.0 1,2i 1.24 i.26 1.28 1.29 1.30 1,31 1.31
MODERATE SLOPES
3 .93 .92 .91 .90 .90 .90 .89 .89
4 1.00 1.C0 1.00 1.00 1.00 1.00 1.00 1.00
5 1.04. 1.05 1.07 1.08 1.08 1.08 1.09 1.09
6 1.07 1.10 1.12 1.14 1.15 1.16 1.17 1,17
7 1.09 1.13 1.18 1.21 1.22 1.23 1.23 1.24
STEEP SLOPES
° .92 .88 .84 .81 .80 .78 .78 .77
9 ,94 .90 .86 .84 .83 .82 .81 .81
10 .96 .92 .88 .87 .86 :85 ,84 .84
11 .96 .94 .91 .90 .89 .88 .87 .87
12 .97 .95 .93 ,92 .91 .90 .90 .90
.3 .97 .97 .95 .94 .94 ,93 .93 .92
i4 .96 .98 .97 .96 .96 .96 .95 .95
15 .99 .99 .99 .98 .90" .98 .93 .98
16 1.00 1.00 1.00 '_.00 1.G0 1.00 1.00 1.00
2G 1.03 1.04 1.05 ..Ob '_.07 1.08 1,09 1.10
25 1.06 1.08 1.12 ~.14 1.15 '_.16 1.17 1.19
3G 1.09 1.11 1.14 ..17 i.20 1.22 1.23 1.24
40 1.12 1.16 1.20 1.24 1.29 1'.31 1.33 1.35
5G 1, '_7 1.21 1.25 x.29 1.34 1.37 1.40 1.43
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