PERMFILE56184

• Permit No: C1981041
• IBM Index Class Name: Permit File
• Doc Date: 5/13/2002
• Doc Name: A-1 Roadway Drainage & Cross-Drainage Culvert Calculations
• Section_Exhibit Name: TAB 13 Appendix 13-1
• Media Type: D
• Archive: No

CURVE
82

RUNOFF FOR .INCHES OF RAINFALL
S+I E c .~ IJO . 7
Te,tn~
,,~,~,
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0 v.00 0.01 0.03 1 C.OS 0.08
1 0.11 C.15 0.20 G.24 0.29 J. 34 0.4J 0.46 C.52 0.58
2 0.65 0.71 0.78 C.85 0.92 1.00 1.07 1.15 1.2Z 1.3C
3 1.38 1.46 1.54 1.62 1.70 1.78 1.8G 1.95 2.03 2.12
4 2.20 2.29 2.37 2.46 2.55 [.63 2.72 2.81 2.90 2.SS
5 3.08 3.17 3. Z6 3.35 3.44 3.53 3.62 3.71 3.20 3.E9
6 3.98 4.08 4.17 4.26 4,35 4.45 4.Si 4.63 4.73 4,82
7 4.91 5.01 5.10 5.19 5.29 5.38 5.48 5.57 5.67 5.76
8 5.86 5.95 6.05 6.14 6.24 6.33 6.43 6.52 6.62 6.71
9 6.81 t.91 7.00 7.10 7.19 7.29 7.39 7.48 7.58 7,6E
10 7.77 7.87 7.96 8.06 8.26 8.25 8.35 8.45 2.55 8.64
11 8.74 8.24 8..93 9.03 9.13 9.23 9.32 9.i2 9.52 9.61
12 9.71 5.81 9.91 10.00 10.10 1.20 10.30 10.35 1C.49 10.59
13 10.69 IC.79 10.88 10.98 11 .C8 11.18 11.2d 11.37 11.47 11.57
14 11.67 11.77 11.86 11.96 12.C6 12.16 12.26 12.3` 12.45 12.55
15 12.65 12.75 12.85 12.94 13.C4 L3.14 13.21 13.34 13.44 13.53
16 13.63 13.73 13.83 13.93 14.03 14.13 14.22 14.32 14.42 f4.52
17 14.62 14.72 1<.82 14.91 15.C1 15.11 15.21 15.31 15.41 15.51
18 15.60 15.70 15.80 15.90 lt,C0 16.10 16.2U 16.30 16.40 16.49
19 16.59 16.69 16.74 16.89 16,99 i7.09 17.14 17.25 11.38 1'/.42
2 0 17.58 17.68 17.78 17.88 17,94 1b. 08 16.18 18.28 18.37 18.47
~t3TE: Runoff value determined by equation Q ~ P-C.2 S)2
P+ 0.8 S
REFERENCE: 7lational Engineering Handbook, Sectign~4~_I~Y~DROI.CGY