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REV09271
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REV09271
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Entry Properties
Last modified
8/25/2016 1:09:47 AM
Creation date
11/21/2007 10:01:34 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981033
IBM Index Class Name
Revision
Doc Date
7/27/1984
Doc Name
NOV C-84-130 STABILITY ANALYSIS FOR ACCESS ROAD
From
ACZ INC
To
MLRD
Type & Sequence
MR1
Media Type
D
Archive
No
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• iii iiiiiiiiniu iii • <br />sss <br />'~ INS. <br />ENGINEERING AND ENVIRONMENTAL DIVISION <br />]]7 LINOOLN AVE. <br />P O. BOX ]nO+B <br />STEAMBOAT SPRINGS. CO RG.177 <br />July 27, 1984 <br />Mr. Dan Mathews <br />Colorado Mined Land Reclamation Division <br />423 Centennial Building <br />1313 Sher-men Street <br />Denver, Colorado 80203 <br />Re: NOV C-84-130 Bear Mine No. 3 <br />Dear Dan: <br />303;879-6260 <br />Attached please find an appropriate stability analysis for the access <br />road into the Bear Coai Company operation. This analysis demonstrates <br />that the fill s]ope exceeds the minimum factor of safety of 1.25. The <br />factor of safety for the fill is estimated to be within the range of <br />1.37 to 2.23, which indicates long-term stability. <br />Please abate this violation after you have revieo-red this information. <br />If you have any questions, please contact me. <br />Sincerely, <br /> <br />ACZ INC. ~--.. <br />OBI' -i, n-.. <br /> <br /> <br /> ;~ - <br />Eldon D. St ri ~ ~~,i ~-~ <br />, <br />Colorado PE 168•li ` <br />S` ~ - :~.' <br />- <br /> I ._ ~ . <br />EDS:ski <br />cc: Craig Springer, Bear Coal Co. <br />
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