PERMFILE64030

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 1/22/2004
• Section_Exhibit Name: Exhibit 42A Lone Pine Gulch Ventilation Facilities
• Media Type: D
• Archive: No

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Kathy Welt
February 15, 1995
Page 2
DRY UNIT
WEIGHT
(PCF) COHESION

(PSF) FRICTION
ANGLE
(DEGREES) FACTOR
OF
SAFETY
93.0 706 11.0 f.s.=2,59
80.0 89 32.0 f.s.=2.74
115.0 0 33.0 t.s.=2.59
80.0 118 10.0 f.s.=2,30
121.0 346 24.0 f.s.=2.53
66.0 288 30.0 f.s.=2.87
45.0 72 41.0 f.s.=2.98
• 68.0 72 41.0 f.s.=2.94
As presented in tlus table, all strength values used meet the minimum factor
of safety required for this type of pile. If you have any questions, please call me.
_. S~~in~~cer~~ely,
L/~1XS~' ~-----
Charles C. Rehn, P.E.
General Manager
Salt Lake City Branch
CCRIsbr
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