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2008-08-11_REVISION - C1992080 (19)
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2008-08-11_REVISION - C1992080 (19)
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Last modified
8/24/2016 3:35:23 PM
Creation date
8/13/2008 1:08:30 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1992080
IBM Index Class Name
REVISION
Doc Date
8/11/2008
Doc Name
Proposed Decision and Findings of Compliance
From
DRMS
To
Oakridge Energy
Type & Sequence
RN3
Email Name
TAK
Media Type
D
Archive
No
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2. Move the recovered spoiled fill material and side cut to the base of the bench adjacent to the <br />sandstone at the inside edge of the bench. <br />3. Move all boulders and cobble material from the bench area to the inside edge of the bench prior <br />to remaining backfilling. <br />4. Recover the remaining needed fill from the Permanently Reclaimed Spoils Area below the North <br />Pit. Backfill and regrade a 30 foot wide bench at the base of the reclaimed North Pit slope. The <br />overall slope in the North Pit area is to be 3:1. A sandstone scarp at the top of the slope is to <br />remain as it currently exists because it cannot be backfilled to 3:1. <br />5. Regrade the North Pit bench fill to final contour. <br />6. Load and haul topsoil from Topsoil Stockpile #2 to cover the entire North Pit bench fill area with <br />eight to twelve inches of topsoil. <br />7. Regrade and spread the topsoil. Spread some of the topsoil over the bench outslope to cover <br />downslope spoil that could not be retrieved. <br />8. Seed, plant and mulch the North Pit area as described in the revegetation plan. <br />Reconstruction of Carbon Junction Canyon <br />The reclamation plan for restoring the Carbon Junction drainage includes the following tasks: construct a <br />1,962-foot long diversion channel (designed for a 100-year, 24-hour storm), line the channel with rock <br />riprap, and construct a culvert crossing for the channel underneath the main access road. The open <br />channel is to be 14 feet wide (after riprapping) and varies in depth from 1.9 feet to 2.8 feet for the lower <br />section, including freeboard. <br />Reclamation of the North Pit Haul Road, Topsoil Stockpile #2, <br />and the Permanently Reclaimed Spoils Area <br />The haul road that leads to the North Pit will be reduced to a width of 30 feet and the upper portion will <br />be backfilled to slopes no steeper than 3:1. Fill for the North Pit haul road will be excavated from the <br />Permanently Reclaimed Spoils Area. <br />The areas that will be seeded include the haul road reclamation area, the regraded Topsoil Stockpile #2, <br />and that portion of the permanently reclaimed spoils area used to supply fill for reclamation. <br />Seed M&ISeeding Methods <br />A basic grass and forb seed mixture will be used in all areas revegetated after reclamation (Table 5-6). <br />The goal of the herbaceous seeding will be to establish a vegetation cover, subject to the applicable <br />requirements of Rules 3.03.1(3xe) and 4.15.10, adequate to control erosion and minimize weedy species <br />establishment prior to final development of the property. In areas where crops were grown prior to <br />mining, crops may be re-established post-mine if this is consistent with the commercial land use of the <br />property. Grasses and forbs will be planted using drill seeding and/or broadcast means. In the case of <br />broadcast seeding, the seeding rates will be two times the rates shown in Table 5-6. Any crops seeded will <br />be drill seeded at rates consistent with recommendations of the local agricultural extension service. <br />Woody plants will not be planted in the revegetated area, with the exception of those in the North pit <br />reclamation plan. <br />8
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