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2008-04-21_REPORT - C1981018
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2008-04-21_REPORT - C1981018
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Last modified
8/24/2016 3:28:20 PM
Creation date
4/22/2008 1:57:08 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981018
IBM Index Class Name
REPORT
Doc Date
4/21/2008
Doc Name
1st Quarter 2008 Wastebank Inspection
From
Blue Mountain Energy
To
DRMS
Permit Index Doc Type
Waste Pile/Fill Report
Email Name
JDM
Media Type
D
Archive
No
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Permanent out slopes remain at approximately 90% complete on the toe of sub-area 2-3 and 4. <br />The infill between these sub-areas is complete. The slopes appeared stable with some localized <br />erosion noted. <br />No compaction tests were performed during the quarter. The small amount of material spread <br />was during the latter part of the quarter and the full compaction process was not complete. <br />Refuse Area SA has progressed to the point where the drainage characteristics are starting to <br />evolve. The in-pit ditch on the west side is established with appropriate channel protection to <br />carry the projected runoff. <br />To date, a total of 5,430,366 tons of wet refuse have been placed in the 2/3/4 combined sub-area <br />and a total of 2,489,211 tons of wet refuse have been placed in sub-area Sa. <br />The topsoil and subsoil piles for sub-areas 1, 213/4 and Sa have been seeded and are stable. <br />Vegetative growth appears adequate to control erosion on the piles. <br />Quarterly monitoring of RP-4 refuse pond embankment has continued, and to date appears to be <br />stable. <br />To the best of my knowledge, based on my professional expertise, the permanent refuse <br />structures at the Deserado mine are being constructed in conformance with the prudent state-of- <br />the-art construction practices as they relate to coal processing waste bank construction. Further, <br />the structures are being constructed in compliance with the approved design, as specified within <br />Section III.B.3 of the approved permit documents and depicted on Maps 76, 77, 77A and 150 <br />and other permit documents or maps as amended from time to time. <br />I certify, based on my field observations and those observations of my qualified designates and <br />professional investigations, as detailed above, that the permanent refuse disposal structures at <br />Blue Mountain Energy, Inc., Deserado Mine, located in Rio Blanco County, Colorado, are being <br />constructed in compliance with the design approved as a portion of Permit No. C-1981-18, <br />issued by the Colorado Division of Reclamation, Mining and Safety. <br />COUNTY ROAD 65 SUBSIDENCE REPORT <br />Longwall mining occurred under County Road 65 during the quarter. Only superficial cracking <br />was observed in the road surface due to subsidence. No corrective actions were necessary. <br />~'` °' ~~ <br />o e <br />,~®_ y/1- <br />.E. <br />Colorado Registered P.E. No. 30263 <br />xc: Jeff Dubbert <br />Scott Wanstedt <br />File <br />
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