PERMFILE111541

• Permit No: C1980005
• IBM Index Class Name: Permit File
• Doc Date: 9/24/1987
• Doc Name: SLOPE STABILITY CROSS SECTION
• Section_Exhibit Name: TAB 12 EXHIBIT 12-ES1
• Media Type: M
• Archive: No

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RESULTS OF SLIDING FAILURE ANALYSIS
PATH OF
FAILURE SURFACE
FACTOR OF SAFETY
STATIC CASE
FACTOR OF SAFETY
SEISMIC CASE
VERT SCALE, V'= 50'
80 %SATURATION
RESULTS OF SLIDING FAILURE ANALYSIS
PATH OF
FAILURE SURFACE
FACTOR OF SAFETY
STATIC CASE
FACTOR OF SAFETY
SEISMIC CASE
VERT SCALE, V'= 50'
80 %SATURATION
100 %SATURATION
80 %SATURATION
100 %SATUR4TION
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Permlt Number # C- 1980 -005
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Class Permit
Section /Exhibit 1 ES ( (✓�� I
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ENGINEER'S CERTIFICATION
I, Richard A. Isaac of Aurora, Colorado hereby certify that
this drawing was prepared under my direction and that infor-
mation contained thereon is correct, to the best of my Ilj
knowledge and belief.
Colorado P.E. No, 20320
Richard A. Isaac Date:
_ J
EXHIBIT "12-ESI"
SLdPE1 kABILITY CROSS SECTION
SENECA 11 MINE
SEYECA COAL LTD. 12015 E• 46th AVE DENVER, COIAttADO 00239
DESIOMED BY- R A I
t10'KZ. SCALE{ I• - 50'
DRAWt1 MY D E F
VERT SCALE, V'= 50'
CKECKED DYs R A I
DRAWIM DATE{ 9-11-95
RE 1310!13
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ENGINEER'S CERTIFICATION
I, Richard A. Isaac of Aurora, Colorado hereby certify that
this drawing was prepared under my direction and that infor-
mation contained thereon is correct, to the best of my Ilj
knowledge and belief.
Colorado P.E. No, 20320
Richard A. Isaac Date:
_ J
EXHIBIT "12-ESI"
SLdPE1 kABILITY CROSS SECTION
SENECA 11 MINE
SEYECA COAL LTD. 12015 E• 46th AVE DENVER, COIAttADO 00239
DESIOMED BY- R A I
t10'KZ. SCALE{ I• - 50'
DRAWt1 MY D E F
VERT SCALE, V'= 50'
CKECKED DYs R A I
DRAWIM DATE{ 9-11-95
RE 1310!13
Z�4��
$F P 241987
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