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REV12927
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REV12927
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Entry Properties
Last modified
8/25/2016 1:23:54 AM
Creation date
11/21/2007 10:37:33 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1996083
IBM Index Class Name
Revision
Doc Date
9/24/1999
Doc Name
PR 3 FACILITIES EXPANSION AND PRODUCTION INCREASE BOWIE 2 MINE PN C-96-083 BOWIE RESOURCE LIMITED
From
DMG
To
BOWIE RESOURCES LIMITED
Type & Sequence
PR3
Media Type
D
Archive
No
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<br />ORIGINAL TR-06 QUESTIONS <br />Rule 2.07.6(2)(d)(iv)(D) requires that the applicant secures all of the necessary <br />approvals for any affected area [hat is proposed to lie within /00 feet of the orrtside right- <br />of-way oja public rood Because a portion of the proposed coal stockpile and truck <br />loadout are within 100 feet of Old Highway 133, BRL will need to s:tbmit to the Division <br />written approval from the Colorado Department of Transportation for the location of <br />these facilities within the right-of--way. <br />The Division has no further concerns. In its submittal dated May 12, 1999, BRL provided <br />a letter from the Colorado Department of Transportation (CDOT), dated January 12, <br />1999, that states that CDOT will permit the proposed mining activities to be located <br />within 100 feet of Old Highway 133. Also, in its August 30, 1999 submittal, BRL has <br />included two State Highway access permits from CDOT for the proposed facilities. <br />Geotechnical <br />2. BRL proposes [o construct a conveyor transfer station immediately uphill from the <br />existing haul road at an elevation ojapproxitnately 6730 feet. In order to accommodate <br />the stanchion for the transfer structure, BRL proposes to excavate a bench into the slope <br />immediately up slope from the haul road. This will create a steepened pocket-shaped 30' <br />to 40' high cut slope. BRL sho:dd provide a complete stability analysis report for this cut <br />slope to demonstrate that it will be stable during operation and following reclamation. <br />BRL responded to this question by submitting a geotechnical stability report by Terracon, <br />dated June 1999. The Division has reviewed this report and found that the designs <br />demonstrate that the transfer structure excavation will be stable during the operation of <br />the mine and afrer reclamation. However, the Division requests that a condition be added <br />to PR-03, either as additional revised text to PR-03 or as a stipulation attached to the <br />approval of PR-03. This condition is based on Terracon's recommendation that <br />"engineering evaluation of actual conditions encountered in each excavation" be <br />completed to verify that the conditions encountered correspond favorably with the <br />assumptions made in the analyses. The condition would read as follows: . <br />"Engineering evaluations of actual conditions are to be conducted to <br />verify the assumptions used in the geotechnical designs for the proposed <br />excavation work at the transfer structure, the coal stockpile pad cut and <br />frlJ and the relocation site of pond B. These evaluations must be conducted <br />by a qualified geotechnical professional. Each evaluation is to be <br />performed contemporaneously with the excavation of each site. Verbal <br />verifrcation to the Division ojthe results of each evaluation are to occur <br />immediately following each excavation. Appropriate documentation of <br />each of the evaluations is to be submitted to the Division in letter form <br />
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