1992-02-19_REVISION - C1981038

• Permit No: C1981038
• IBM Index Class Name: Revision
• Doc Date: 2/19/1992
• Doc Name: Midterm Review Findings Document
• From: MLRD
• To: CYPRUS ORCHARD VALLEY COAL CORP
• Type & Sequence: MT2
• Media Type: D
• Archive: No

Section III - Status of Stipulations
(continued)
Stipulation No. 13
Colorado Westmoreland, Inc. is directed to complete Phase II of the
geotechnical and stability analyses of its surface facilities area at the
Orchard Valley Mine, as outlined in the various letters of proposal from
Merrick & Company and Geohydro Consultants included in Volume 10 of the
amended application. Phase II represents a more detailed investigation
into potentially critical areas of the site delineated during Phase I of
the analysis, the report of which is contained in Volume 10 of the
application. The scope of Phase II of the analyses shall include test
drilling and excavation of test pits , the installation of appropriate
monitoring wells , the performance of various soils and chemical tests , and
the performance of a series of stability analyses dealing with the
existing facility configurations , proposed reclaimed configurations and
with the proposed coal processing waste disposal pile . This analysis
shall be completed and a report summarizing the results and methodology
thereof submitted to the Division for review by December 31 , 1981 .
Resolved: This stability analysis was submitted on April 16, 1982 and
approved by the Division on May 17, 1982.
Stipulation No. 14
The applicant must provide to the Division, as part of Phase II of the
stability analysis study being conducted under the direction of
Merrick & Company, a demonstration that the existing haul and access road
embankments have achieved a minimum safety factor of 1 .25, and that the
existing haul and access road cuts have achieved a minimum safety factor
of 1 .50 or that a lesser safety factor will not result in significant
environmental harm or harm to the public health and safety. This
demonstration shall be completed and a report summarizing the results and
methodology thereof submitted to the Division for review by December 31 ,
1981 .
Resolved: The haul road and access road stability analysis was received
on February 16, 1982, approved in March of 1982 , and can be found in
Volume 6 of the permit application.
Stipulation No. 15
Within six months after permit issuance, Colorado Westmoreland, Inc. , in
consultation with MLRD, shall develop mutually acceptable success criteria
for species diversity on reclaimed areas .
Resolved : The species diversity success criteria information was
submitted and approved in the fall of 1982 and received Division approval
on March 8, 1983. This submittal may be found in the Vegetation Appendix
of Volume 9A.
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