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<br />- — — — — — — - ROADS
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<br />CROSS-SEC77ON LOCATIONS
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<br />IlI, . U1 SENECA #W L.O.M. ESTIMATE
<br />1; CY 2000 THRU CY 2011
<br />MINED OUT
<br />2000
<br />WADGE PITS
<br />2001
<br />2002-2005
<br />2002-2005
<br />N -37000
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<br />PIT LOCATION WEB PILLAR THICKNESS
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<br />IN
<br />Hill b1VN ( t I II l, N - 7::.
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<br />if (I
<br />f I
<br />calculated based on a hole diameter of 6 feet and a
<br />i I�I II I J
<br />�)Ij �m I This table was
<br />corresponding design factor of safety of 1.50 for pillar Stability. The auger
<br />ef �/N fill
<br />ef i
<br />i f panel design information is based on the engineering report entfled "Auger
<br />AV-111. I f"
<br />All
<br />Panel Design Study for Seneca 11-W and Yoast Mines, Seneca Coal
<br />0
<br />Company' prepared by Mr. Graterne Boyd, Highwall Mining Services, Inc. of
<br />V
<br />ustralia.
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<br />PROFESSIONAL ENOINEER'S SrArEMEN
<br />I!, Thomas E. Leidich, state that the changes in
<br />PR-03, dated 02103 was prepared under my su� S
<br />and all the information presented hereon is true
<br />correct to the best of moknowledge and f
<br />J 41, s�
<br />clz
<br />Date ThIll E. Leidlich, CO III NAIL
<br />lill
<br />N -45000
<br />111IM-111II11111
<br />N -47000
<br />8 Issued for PR-03
<br />02103
<br />Jjal
<br />J.Bover
<br />t -
<br />T.Leldich
<br />7 Issued for TR-42
<br />01103
<br />Jjamas
<br />X Gonzalez
<br />T.Leidich
<br />6 Issued For PR-03
<br />04102
<br />J.jamas
<br />N.Gonzall
<br />T.Leidlch
<br />5 Issued For TR-37
<br />04123101
<br />.1james
<br />M.Mathisen
<br />M. Altaville
<br />4 Issul i-or Hit
<br />U4118101
<br />tifelitavilla
<br />M.Mathisen
<br />M. elitaivillia
<br />3 Issued For MR-48
<br />9129100
<br />M. Altavilla
<br />J.Gates
<br />M. Alta villa
<br />2 Issued For IR-34 Responses
<br />5110100
<br />M.Alfaville
<br />M.Manhisen
<br />M.Altavillat
<br />f Issued For MSHA Ground Control PlanITR-34
<br />3113100
<br />M. A Its villa
<br />M.Mathisen
<br />M.Altavills
<br />0 Issued For Final Report
<br />918198
<br />JJames
<br />M.Mathisen
<br />Jjantes
<br />"NE,' REVISIONS
<br />DATF
<br />DESIGN BY
<br />DRAWN By
<br />REVIEWED AND
<br />I
<br />I
<br />SIGNED B Y
<br />Coal Company
<br />PROJECT:
<br />SENECA W MINE
<br />DRAWING TITLE:
<br />OPERA TIONS PL A N X W L. 0. M.
<br />Sheet I Of I Sheets
<br />MWH SCALE: DRAWING No
<br />MONTGOMERY WATSON HARZA See Scale Bar 12-3
<br />/X3 /0—)
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