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1999-03-31_PERMIT FILE - M1999050
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1999-03-31_PERMIT FILE - M1999050
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Last modified
3/16/2021 7:31:40 PM
Creation date
11/20/2007 9:28:10 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1999050
IBM Index Class Name
Permit File
Doc Date
3/31/1999
Doc Name
CONSTRUCTION MATERIALS REGULAR 112 OPERATION RECLAMATION PERMIT APPLICATION FORM
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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EXHIBIT E <br /> RECLAMATION PLAN <br /> The reclamation plan for the Timnath Connell site is a lined water storage reservoir. It will be <br /> constructed in the same sequence that has been successfully employed by Connell at the <br /> Wellington Downs Site permit located immediately to the west. <br /> Phasin <br /> Reclamation will be concurrent with mining and therefore will be completed in phases. The first <br /> phase of reclamation will occur on the north end. As Connell mines the north side of the <br /> property, they will begin backfilling areas not included as part of the final reservoir such as the <br /> wash plant site and the stockpile areas. The outer perimeter of this area will be lined and sealed <br /> to form a portion of the reservoir. As mentioned earlier, stationary equipment will be placed on <br /> the north side for the extent of the project. Therefore, only the areas on the west side of the <br /> property that are not expected to be disturbed for the remainder of the mining will be reseeded. <br /> The second phase of reclamation will involve sealing and backfilling the perimeter of the <br /> reservoir On-site overburden and the claystone bedrock will be used to seal the perimeter of the <br /> reservoir to isolate the site from the valley fill aquifer. As the reservoir shoreline are backfilled <br /> with overburden and claystone these areas will be compacted to create a liner. <br /> Scrapers will be used to place overburden and claystone material along the property perimeter. <br /> Wheel compaction by scrapers will primarily be used to acquire the 95% compaction <br /> specification. Quality control will be used during lining operations to determine that compaction <br /> is being achieved. This will include an evaluation and possible changes in the water <br /> applications, lift thickness, and compaction method (wheel rolling, sheep's foot compactor, etc.) <br /> During initial stages of the liner construction, several in-place tests will be done to determine if <br /> the compaction method is sufficient to meet the 95% standard proctor design. Thereafter <br /> Connell will be conducting regular on-going compaction testing. <br /> In the final phase Connell will mine the interior of the reservoir. As strips of the property are <br /> mined, Connell will closely follow with backfilling of overburden, capping with topsoil, and <br /> vegetating to minimize the amount disturbance at any one time. Once the backfilling is <br /> completed the perimeter reservoir shoreline material will be graded to a 3H:1 V slope. <br /> Connell plans to mine to the claystone bedrock. The claystone is generally competent and will <br /> withstand erosional forces. However, some areas might not contain marketable sand and gravel <br /> down to the bedrock. This area will remain exposed until the reservoir is filled with water. To <br /> help suppress dust, Connell will consider seeding areas of the reservoir bottom that have a high <br /> potential for dust emission. <br />
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