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REP06945
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REP06945
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Entry Properties
Last modified
8/24/2016 11:37:16 PM
Creation date
11/26/2007 11:29:59 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981047
IBM Index Class Name
Report
Doc Date
9/10/1984
Doc Name
APPENDIX 1-B TO BLUE RIBBON COAL CO TECHNICAL REVISION REQUEST MINE BENCH STABILIZATION
From
MLRD
To
BOB LIDDLE
Permit Index Doc Type
STABILITY REPORT
Media Type
D
Archive
No
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Richartl D. Lamm <br />Governor <br />DATE <br />DEPARTMENT OF NATURAL RESOURCES <br />David H. Getchea, Executive Director <br />MINED LAND RECLAMATION DI\ <br />DAVID C. SHELTON, Director <br />September 10, 1984 <br />T0: Bob Liddle <br />FROM: Jim Pendleton: <br />~~` ~=- <br />RE: "Appendix 1-B to Blue 'bon Coal Company, Technical Revision Request <br />Geotechnically, the revision request is approvable with the imposition of the <br />following conditions: <br />(1) No construction shall commence until final construction drawings have <br />been reviewed and approved by the Division; <br />Mine Bench Stabiliz on" <br />~./ <br />Pursuant to your request, I have completed a review of the above referenced <br />submittal. This document was submitted by Blue Ribbon Coal Company in <br />response to our adequacy comments regarding their permit revision <br />application. I have reviewed the geotechnical aspects of that report. <br />(2) The applicant shall submit an acceptable monitoring program to the <br />Division, within 30 days following approval of the revision. This <br />monitoring program shall include both slope stability monumentation and <br />the installation and monitoring of water level piezometers, in order to <br />verify the portal bench's stability. <br />/ep <br />cc: Mike Long <br />Doc. No. 3991 <br />423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203 Tel. (30?) 866-3567 <br />III I IIIIIIII I IIIII IIIIIIIIII <br />
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