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2010-07-09_REVISION - C1981019 (4)
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2010-07-09_REVISION - C1981019 (4)
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Last modified
8/24/2016 4:15:29 PM
Creation date
7/12/2010 10:20:36 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
REVISION
Doc Date
7/9/2010
Doc Name
Response to Mid-term Permit Review
From
Colowyo Coal Company
To
DRMS
Type & Sequence
MT6
Email Name
JRS
SB1
Media Type
D
Archive
No
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Colowyo's Response: <br />Colowyo will make this change and will submit it as a component of the minor revision <br />referenced in the response to Items four, five and eighteen. <br />21. On Map 29 -Spoil Grading, there is a large area in the southeast portion of the East Pit <br />labeled "Topsoil Pile and Haul Road" with no reclamation date shown. While the <br />Division understands that there does need to be a topsoil stockpile and haul road corridor <br />for final reclamation of the East Pit, this area, which is approximately 25 acres <br />(approximately the size of an East Pit reclamation block) is larger than necessary. <br />Additionally, it is the Division's belief that the majority of this area will be reclaimed as <br />the 2012 and 2013 reclamation progresses and the operations move out of the East Pit. <br />Please include this "Topsoil Pile and Haul Road" area in the appropriate reclamation <br />block(s) and, for the small area that may remain past 2013, please include a date of <br />reclamation for the area (which should be no later than final reclamation of the East Pit or <br />2015). <br />Colowvo's Response: <br />Colowyo is in the process of updating Map 29 to account for changes in mine plan tinting <br />and mining sequence, haul road corridors, coal stockpiles, etc. The specific concern <br />mentioned above will be addressed in this technical revision submittal scheduled for the <br />end of'August. <br />22. Currently, Colowyo does not have a rill and gully plan in their permit, as required by Rule <br />4.14.6. Given the fact that there are several areas at the Colowyo Mine that have extensive <br />gullying that has not healed itself or been fixed by the operator, the Division requests that <br />Colowyo include a detailed rill and gully survey and remediation plan in their permit. The <br />plan should include, at a minimum: <br />a. A plan to perform (at least yearly) rill and gully monitoring and reporting, <br />with reporting to be completed each spring and a final report submitted to the <br />Division no later than 15 June of the monitoring year. <br />b. A map or plate showing the rill and gully area(s) in detail. <br />c. A plan for remediation of the rill and gully area(s) including a timeframe for <br />the remediation work (which must be completed in the same calendar year as <br />the monitoring and reporting). <br />d. A Description of the topsoil salvage and replacement activities for the rill <br />and gully remediation area(s). <br />e. A plan for reseeding the rill and gully remediation area(s). <br />f. A plan for continued monitoring and reporting of the rill and gully <br />remediation area(s) in future years. This plan should include a minimum <br />timeframe for continued monitoring to ensure successful remediation. <br />Colowyo will need to immediately implement this plan, once approved, on the rill and <br />gully area in the East Pit, noted in the Division's 2009 inspection reports. <br />Colowvo's Response: <br />At the time of this response Colowyo has repaired and reseeded all of the areas identified <br />during Division inspections. Beginning in 2011, Colowyo will provide the Division with <br />an "Annual Rill and Gully Status Report" under separate cover no later than June 15 <br />annually. This report will be comprised of a cover letter, one to two page description of <br />the general location of identified rills and gullies, activities undertaken to date to repair
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