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ENFORCE25154
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Last modified
8/24/2016 7:33:38 PM
Creation date
11/21/2007 10:55:45 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1982055
IBM Index Class Name
Enforcement
Doc Name
COAL PROCESSING WASTE AND NON-COAL PROCESSING WASTE
Violation No.
CV1993084
Media Type
D
Archive
No
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be contemplated for the site, the safety factor would be in <br />r ~~ <br />' ezcess of the required 1.5. Additionally, the previous <br />"~ operator committed to test the coal processing waste produced <br />from' the Raton Creek Mine and analyze it to determine the <br />actual physical properties of the refuse material and modify <br />the embanltment design, i! required. <br />1983 Revised Deeisrn <br />In 1983, the previous operator of the Raton Creek Mine Complex <br />submitted a technical revision revising the design of the refuse <br />disposal site to provide additional capacity. This design, which <br />included actual physical properties of the refuse material <br />obtained from testing during the early stages of production at <br />the mine site, was approved by the Division with stipulations is <br />late-1983. Following is a summary o! the revised design: <br />1. Size and ConliRuration: The revised refuse diepoeal area <br />f~.~~ covered a total o! 29.8 acres and contemplated a maximum <br />~~~~ embanltment height of 320 feet. As with the initial design, <br />the revised design included 20-foot wide terraces spaced 50 <br />feet vertically. The elopes between terraces were designed <br />at 1.7 horizontal to 1 vertical, resulting is an overall <br />emban]®ent elope of 2 horizontal to 1 vertical. <br />2. Drainage: The drainage control plan presented is the revised <br />design included diversion, sediment collection, under <br />drainage and monitoring identical to that presented and <br />approved in the initial design. The only differences <br />associated with the modified refuse diepoeal plan involved <br />redesign and relocation of ditches to accor~odate the revised <br />pile size. <br />3. Construction: The construction plane for the revised refuse <br />disposal area design are identical to those included in the <br />~~.°~ initial design. <br />\'i;~ :, <br />464 <br />Revised 5/93 <br />
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