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2016-12-01_PERMIT FILE - C1980007A (2)
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2016-12-01_PERMIT FILE - C1980007A (2)
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Last modified
12/14/2018 9:22:36 AM
Creation date
2/1/2017 10:10:28 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1980007A
IBM Index Class Name
Permit File
Doc Date
12/1/2016
Section_Exhibit Name
2.05.4 Reclamation Plan
Media Type
D
Archive
Yes
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• Post Mining Drainaee and Sediment Control Plan <br />This plan is be carried out in three phases. The timing of each phase will be detemrined based upon <br />the establishment of sufficient vegetation to control runoff. <br />Phase One will involve the removal of all surface facilities (except those described below), <br />backfilling and recontouring as necessary all cuts and recontouring all fills. All unnecessary access <br />and haul roads will be removed as described in the Diversions and Collection Ditches and <br />Impoundments Section. Only the main access road will be retained to access the main drainage <br />ditches. During this phase however, even this road will be partially reclaimed, leaving only enough <br />road width to allow passage of a pickup truck. All sedimentation ponds which aze needed to <br />maintain sediment control during this initial reclamation phase will be retained. <br />Phase Two will begin when the vegetation becomes sufficiently established to reduce the sediment <br />load from runoff so that with control measures such as water spreading, undisturbed area water <br />quality conditions can be met. At this time, the sedimentation ponds would be removed. Since the <br />post-mining land use is grazing and wildlife habitat, portions of some of the sedimentation ponds <br />may be converted to wildlife and livestock watering ponds. This of course, would be done in <br />cooperation with the appropriate regulatory authorities. <br />During this phase, the major ditches flowing to Sedimentation Ponds MB-1 and 2 will be water- <br />barred to spread the runoff over the established vegetation for imgation and filtering. In steep areas, <br />where erosion may be a problem, small catchment basins made from straw bales or soil may be <br />built to slow the velocity and retain sediment. <br />During Phase Three, the remaining access road and ditches will be reclaimed when water quality <br />monitoring indicates that the vegetation is sufficiently established to control sediment loading and <br />that undisturbed area water quality conditions are being met by the runoff. Any small remaining <br />azeas that need reseeding and mulching will be revegetated at this time. <br />(2) Reclamation Cost Estimate <br />The revegetation cost estimate (Exhibit 53) represents the estimated costs for demolishing <br />facilities, backfilling and grading, and revegetating the West Elk Mine site. These costs aze <br />expressed in the current dollaz value at the time of calculation; however, most areas will not be <br />scheduled for revegetation until mine closure approximately 40 yeazs from now. <br />(31 Backfilline and Gradins <br />Information on backfilling and grading has been presented throughout Section 2.05.4. Please refer <br />to specific sections, such as those on roads and major surface facilities, for backfilling and grading <br />procedures relating to reclamation. <br />(4) Topsoil Removal, Storage, and Redistribution <br />`J <br />2.05-85 Revised Dec. /997 MR108; Rev. Apri11006 PR10 <br />
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