2009-09-21_PERMIT FILE - C1980007A ‎(5)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 9/21/2009
• Doc Name: Mine Water Control Plan
• Section_Exhibit Name: Exhibit 66 Mine Water Control Plan
• Media Type: D
• Archive: Yes

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TABLE 44E
Ditch and Culvert Summary
10-year, 24-hour Storm
Pond /
Divers
Diversion
Ditch Number Discharge
)
(cfs Slope
(% ) Depth
(feet)
Shape Culvert
Number Discharge
(cfs) Size
(inches)

D2R-1+ 26.23 3.2 1.14 V*
D2R-1A+ 3.76 2.2 0.73 V
D2R-2+ 6.80 46.9 0.49 1' Tra ** C2R-2A+ 6.80 12
D2R-2A+ 8.53 2.0 1.01 V C2R-3+ 15.95 24
D2R-2A Berm+ 0.69 51.0 0.26 V++,2 C2R-4+ 13.16 30
D2R-3+ 20.08 8.3 0.87 V* C2R-5 1.02 14
D2R-4+ 2.66 5.1 0.25 2' Tra 2
D2R-4A+ 15.95 11.0 0.75 V*
D2R-4B+ 4.14 5.0 0.65 V
D2R-4C+ 2.13 4.0 0.43 V*
D213-5 2.52 8.0 0.50 V
D2R-7 1.02 12.0 0.33 V
DCW-2+ 8.84 4.0 0.73 V*

D5-1 21.52 1.0 1.32 V* C5-1 82.36 48
D5-2 21.46 4.0 1.02 V* C5-2 21.52 24
D5-3 21.39 4.0 1.02 V* C5-3 21.46 24
D5-4+ 15.70 1.0 1.17 V* 135-5 21.39 24
D5-5+ 12.23 1.0 1.07 V* C5-6 60.83 42
D5-6 60.83 1.0 1.35 3' Tra

H 133 D7-1+ 0.94 7.1 0.28 V* C7-1+ 2.59 30
r D7-2+ 1.53 7.2 0.34 V*
Footnotes for Table 44E:
* = Lined with concrete or shotcrete
** = Riprapped with competent rock
*** = Sized for the 25-year, 24-hour storm
= Elliptical concrete pipe
2 = Grass-lined channel
a = Sideslopes are 3H:1 V
a = Sideslopes are 2.5H:1 V
Exhibit 66
Appendix A: Output Summary Tables
+ = 100-year design
++ = 2:1 and 4:1 side slopes
# = Lined with asphalt
5 = Pipe arch
6 = Plate arch
= Rolled asphalt curb
Prefix "22 denotes twin pipes, at the same elevation
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Revised August 2009, TR 119