PERMFILE106498

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 6/6/2003
• Section_Exhibit Name: Exhibit 66 TOC and Mine Water Control Plan
• Media Type: D
• Archive: Yes

Table 44E
Ditch and Culvert Summary
10-Year 24-Hour Storm
Pond/,a',
t_.
~Diveision k~.Ditch~
7 'ti._ _. ri a
x~sNuinberx,; - -D~schargey
aC
;~fi (cfs) ~x` ' Slope -
>f
" (%) ~yDepth
{
v'(feet)~.~ n Shape`
x'X'-.v~ h
~^',~~-~,~~'.~,~; `_, ~Culverf'~„~;
~ 1 c4~ty.
~.,,, ~,~.,,~,,;~,. z yDischarget
""} X."
:~";~cfs)"'~ ~ S~zezti
a~*r'.'
,(mch`e"s)
D2R-2(+) 2.86 34.20 0.74 V**
D2R-2(+) base 4.18 2.15 1.07 V
Berm D2R-2(+) 0.67 28.00 0.50 V++
D2R-3(+) 22.09 8.30 0.84 Z' Trap
D2R-4(+) 2.03 5.13 0.80 V
D2R-4A 10.96 11.00 0.95 V~
D2R-5 0.67 2.50 0.65 V
D2R-7 0.75 12.00 0.59 V
DCW-2(+) 6.66 4.00 0.96 V*
DCW-4 0.62 40.00 0.34 4'Trap
DCW-5 0.23 29.00 0.46 V
Note: C2-13 is a 24-inch half CMP and a 24-inch full CMP.
Revised 12/97-MR235; 2/98-MR238, 10/98 TR86