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GENERAL55996
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Last modified
8/24/2016 8:40:56 PM
Creation date
11/23/2007 11:01:06 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981038
IBM Index Class Name
General Documents
Doc Date
12/30/2003
Doc Name
Proposed Decision & Findings of Compliance for RN4
Permit Index Doc Type
Findings
Media Type
D
Archive
No
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water will be withdrawn from the creek. An overland ditch will divert water into <br />West Roatcap Creek thus bypassing the Bowie No. 1 West Mine site. Clean water <br />diversions above the main facilities minimize surface water runoff through the site. <br />Mine inflows under and adjacent to the creek are predicted to be insignificant. A <br />brief discussion of sediment control measures, subsidence impact mitigation, <br />surface water inflow predictions and water augmentation plans follow. <br />The Bowie No. 1 mine plan is designed to minimize the impacts of the project on <br />the surface water hydrology of the region. Disturbed area drainage from the East <br />Mine benches, pazking azea, west portal fill, and loadout site is collected and <br />treated on the site. Four sediment ponds collect disturbed-area drainage from the <br />mine benches. Another pond controls sediment generated by the underground <br />development waste pile. One pond controls drainage from the run-of--mine <br />stockpile area, and two ponds collect drainage from the disturbed azeas of the <br />loadout, truck scales, and highway coal stockpile area. The West Mine portal <br />bench azea drained to one sedimentation pond except for exempted portions of the <br />fill face which had a small area exemption waiver. With the reclamation work at <br />the West Mine portal bench azea, the backfilled and graded area now drains to two <br />sedimentation ponds. A system of lined and unlined ditches convey waters from the <br />disturbed areas to the ponds. The mine operator has applied for and/or obtained the <br />appropriate NPDES permits. Effluent quality from the sedimentation ponds will be <br />monitored to determine permit compliance. <br />Subsidence effects have the potential to impact any or all springs, seeps, and ponds <br />within the affected permit area. In order to protect water resources but still allow <br />mining, the operator has developed a subsidence damage preventative mine plan, <br />subsidence repair procedures, a water replacement plan, and an intensive <br />monitoring system. <br />The mine plan has been designed to preclude mining in certain critical azeas where <br />water rights exist. For example, the north extreme of East Roatcap Creek will not <br />be undermined to prevent impacts to certain water rights. In azeas where the <br />overburden depth is less than 800 feet, BRL will conduct limited coal extraction <br />under streams to minimize the potential for any subsidence. <br />Should damage to any pipeline, spring, pond, etc., be identified as the result of <br />mining, BRL will repair the damage in accordance with their "Subsidence Repair <br />Handbook." This handbook, incorporated into Volume 3 of the application, <br />contains detailed procedures that will be implemented to repair water resources and <br />structures should they be impacted. <br />A general water replacement plan has been prepazed by the operator to augment <br />water to water users while any mine related damage is being repaired. The <br />applicant has demonstrated water is available and can be transported to affected <br />water users if damage occurs. Their water rights consist of both sprittgs and ditch <br />water that could supply a vaziety of users. Impacts on water users will not be all at <br />33 <br />
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