PERMFILE118993

• Permit No: C1980006A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: DRAINAGE & SEDIMENT CONTROL PLAN
• Section_Exhibit Name: EXHIBIT 42
• Media Type: D
• Archive: Yes

• Table 23-1
SLOPE ADJUSTlENT FACTORS 8Y ORAIRACE AREA
Slope 10 20 50 100 200 500 1,000 2,000
(t) acres acres acres acres acres acres acres acres
FU1T SLOPES
0.1 0.49 0.47 0.4h 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
0.7 .90 .89 .88 .87 .87 .87 .87 .87
1.0 1.00 1.00 1.00 1.00 1.00 1,00 1.00 1.00
1.5 1.13 1.14 1.14 1.15 1.16 1.17 1.17 1.17
2.0 1.21 1.24 1.26 1,28 1.29 1.30 1.31 1.31
lgDERATE SLOPES
• 3 .93
4 1.00
5 1.04
6 1.07
7 1.09
STEEP SLOPES
8 .92
9 .94
10 .96
11 .96
12 .97
13 .97
1• .98
15 .99
16 1.00
20 1.03
25 1.06
30 1.09
40 1.12
SO 1.17
r 1
U
.92 .91 .90 .90 .90 .89 .89
1.00 1.00 1.00 1.00 1.00 1.00 1.00
1.05 1.07 1.08 1.08 1.08 1.09 1.09
1.10 1.12 1.14 1.15 1.16 1.1) 1.17
1.13 1.18 1.21 1.22 1.23 1.23 1.24
se .e4 .e1 .eo .7e .7e .n
.90 .86 .B4 .83 .82 .81 .81
.92 .88 .87 .86 .85 .84 .84
.94 .91 ,90 .89 .88 .B7 .87
.95 .93 .92 .91 ,90 .90 ,90
.97 .95 .94 .94 .93 .93 .92
.98 .97 .96 .96 ,96 .95 .95
.99 .99 .9B .9B .98 .98 .98
1.00 1.00 1.00 1.00 1.00 1.00 1.00
1.04 1.os 1.06 1.07 1.08 1.09 1.10
1.08 1.12 1.14 1.15 1.16 1.17 1.19
1.11 1.14 1.17 1.20 1.22 1.23 1.24
1.16 1.20 1.24 1.29 1.31 1.33 1.35
1.21 1.25 1.29 1.34 1.37 1.40 1.43
23-12