PERMFILE104211

• Permit No: C1981014
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 17 VENTILATION SYSTEM AND METHANE DUST CONTROL PLANS
• Media Type: D
• Archive: No

METHANE AND DUST CONTROL PRACTICES ON THE WORKING SECTION ,...~:r
CONTINUOUS MINER ~'•'='
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Mine Name: Southfield Mine
MSHA_ Mine ID No.: OS-03955 ,?:
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MSHA MMU No.: 006-0 ,;
Designated Occupation Code: 036 ~:':
Continuous Miner Serial No.: Joy 12-11 pJM2807 (Remote Control,'_~~''i~r°
Capab i 1 i ty) •,.~
Current Section Name: L Panel Off Of The West Submains :.;•,,,r
Section Haulage Equipment: 2 Joy 10SC .,~i~~?7
' Belt Air Used at the Face: No =• ,~'t

The following parameters are heceby adopted into the Ventilation ":~~~
System and Methane and Dust Control Plan as per 30 CFR 75.316: C~~,+
1. Minimum air quantities shall be as follows: ors,
at working faces: 10,000 cfm '•'.at
at idle faces: Proper volume as to maintain methane to less ;.::~•.
than 1% as required by 75.308 `:4'S'+'
at the last open crosscut: 15,000 cfm
'
at the intake end of the pillar line: 15,000 cfm •
`~ .
2. The minimum mean entry air velocity in the working face::
shall be 60 ft/min.
3. The maximum distance the line curtain is maintained from the.;:
point of deepest penetration of the face shall be: 30 feet• ~~7,'
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for working faces, 30 ft. for idle faces.
4. The following water spray systems will be used to control.
~~~
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dust on the specified equipment. The number of sprays indi=:'~"
Gated are the actual total number of sprays on the equip="r
` .
men t . .:, ~.•~
• ,
Minimum ~''~;'
Spray • '~
Equipment No. of Type of_ Operating .'•;i3,
"
Description
Sprays S ra s Pressure Flowra"te"

• •..~;
Continuous Miner 96* Mist Fog R2 or 120 PSI .70GPM/
$3 or Equivalent Spray'!.,
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Feeder Breaker 2** Mist Fog 92 or:`•~.'~~-`' `~~~'` !''~'-~ '~ ~` ^53;, ~ ,~,•
`3~
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~3 or Equivalefi`t"
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5. Water sprays shall be turned on prior to the start of=t)ieYS,
cut. Water sprays of a fan spray system will be directed to':' .
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the left or the right side on which the face ventilation is,;~~,x,r:
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installed. :
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6. See Page 29 for a spray schematic of the continuous minei-:.:;;~irU.
listed above showing the location of the minimum number of'`~:~4~
water sprays to be maintained and operated in each area
' (bank) of the equipment.
7. Other controls or practices:
1, Haulage and supply roads will be in a damp or compact.
• condition to maintain the average concentration of res=~~~
• pirable dust at or below 2,0mg/m3 of air. '~~~~'
8. Notes: =4
* At least g0% of the water sprays shall be maintained in~>';'~
• good operative condition prior to coal being cut, mined;u'
or loaded. .,.~~;,~
' ** To be used when dust control in this area is determined~~;
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Planssacy, as mentioned on Page 15, Item IV, 3 of',thi's'~rA,•',
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Mine, Man der Date ~~ `'~'*