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PERMFILE66063
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PERMFILE66063
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Entry Properties
Last modified
8/24/2016 11:12:00 PM
Creation date
11/20/2007 9:09:45 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980004
IBM Index Class Name
Permit File
Doc Date
5/30/1981
Doc Name
Entry Systems Typical Cross Sections
Section_Exhibit Name
Figure 2.1-2
Media Type
M
Archive
No
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75'-100' <br />22' MAXIMUM <br />75'-100' 75'-100' <br />I <br />� I <br />GRADE 4%-5% <br />MINING HEIGHT <br />, -� 8'-13'-- <br />INTAKE AIR BELT ENTRY <br />RETURN AIR i <br />RETURN AIR <br />n^CTUR 41 AIR <br />75'- 100 1 <br />75 -100, <br />MINING HEIGHT <br />mss' 8, -13, <br />TYPICAL FIVE ENTRY SYSTEM <br />TYPICAL TWO ENTRY SYSTEM <br />MINING HEIGHT <br />�— 8'-13' <br />BELT ENTRY <br />k <br />75'-100' <br />TYPICAL THREE ENTRY SYSTEM <br />I <br />INTAKE AIR <br />GRADE 4 % -5 %--► <br />CAMEO SEAM <br />75'- 100' <br />I <br />CAMEO SEAM <br />INTAKE AIR <br />RETURN AIR <br />NOTES: <br />I. Orientation of belt entry and airways <br />may vary with conditions and test <br />„inrlr acccciateui with minim_ <br />2. The location of the entries within <br />the 22' cameo seam will vary with <br />coal quality, roof condition and <br />operational considerations. <br />3. The 75' to 100' spacing between entries <br />will vary depending on mining conditions <br />encountered and the testing program <br />requirements. Crosscuts will also be <br />spaced on 75' to 100' centers. <br />0 <br />lnliln111nmlullnm1111uii <br />J033071 1 <br />
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