2018-08-10_PERMIT FILE - M2017032

• Permit No: M2017032
• IBM Index Class Name: PERMIT FILE
• Doc Date: 8/10/2018
• Doc Name: Adequacy Review Response
• From: Environment, Inc.
• To: DRMS
• Email Name: AME
• Media Type: D
• Archive: No

Deep Cut, LLC
22 West Pit
Permit #M-2017-032
Geo technical Stability Exhibit
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SURFACE .. :. .•. .:.
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1 _ .... 5 f { 15.0 41300
R : / LAKPSURFACE( 126')
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W J W
4115
-240 -230 -220 -210 -200 -190 -180 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170
SECTION A - MEMEDA CHAINLINK FENCE- MINE FACE SAFETY FACTOR 10.5
RECLAIMED SLOPE SAFETY FACTOR 11.1
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m 204.0 :44.0 —
.278,0.
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T 4130
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• .... ....«...._.... :.........bA1ALLlA1C�SURFAC�(4126') ...».......... ... : LAICE•SU FACE(4126')OP
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UJI
-210 -200 -190 -180 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
SECTION B - MEMEDA TO PENINSULA SETBACK-MINE FACE SAFETY FACTOR 7.9
SLOPE MINED @ 3H TO IV (�
NOSCALE
0-oas sectlan Keu
MINING AND A STY
Red Line- Working face( 1 slope)
Green Line-Abtive material friction slope angle(35°Slope)
Blue Line-Angle from toe of reclaimed slope to closest structure
Black Line-Line from toe of mine face to structure to obtain angle
used to calculate the safety factor. AUG 09, 2018 — 16:01:16