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2001-12-11_PERMIT FILE - C1981019 (2)
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2001-12-11_PERMIT FILE - C1981019 (2)
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Last modified
5/11/2020 5:19:58 PM
Creation date
11/24/2007 2:56:16 PM
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Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Section_Exhibit Name
Exhibit 07 Item 04 DRAINAGE PLAN FOR COLOWYO COAL CO WORK AREA TIPTON AND KALMBACH INC 1979
Media Type
D
Archive
No
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<br />Item <br />Culvert Designation <br />Location <br />Drainage Area (acres) <br />Design Category <br />Design Precipitation Frequency (years) <br />Runoff Coefficient <br />Rainfall Intensity (infhr) <br />Average Drainage Slope (%) <br />Required Capacity (cfs) <br />installed Pipe: <br />Diameter (inches) <br />Approx. $~ppe (%) <br />Capacity( / (cfs) <br />Velocity(1) (ft~sec) <br />(1) With culvert flouring full <br />Table !: <br />Culverts S thru W a:~ I Taylor Creek <br />S <br />I~laul <br />Ro.xl <br />3.9 <br />Mining <br />Dumi ion <br />10 <br />0.61 <br />0.77 <br />20.0 <br />4.0 <br />~~~ <br /> Culverts <br />(3) (4) 5 (6) (7) <br /> <br />T U V W Taylor Creek <br />Load kiaul Detention Load Haul <br />Out Road Pond Our Road <br />2.5 0,5 7.8 7.8 3977 <br />Minin~t Mining Mining Mining Mining <br />Duratirn Duration Duration Durotion Duration <br />10 10 10 10 20 <br />0.52 0.52 0.61 0.61 0.38 <br />0,%7 0.77 0.77 0.77 1.27 <br />2.3 3.7 3.6 3.6 5.4 <br />l.b 0.5 6.0 6.0 814 <br />30 24 24 24 18 120 <br />0.7 1.5 1.0 0.8 1.4 1.0 <br />29 24 20 18 11 1000 <br />5.9 7.6 6.2 6.4 6.0 12.7 <br />
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