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GENERAL44664
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GENERAL44664
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Entry Properties
Last modified
8/24/2016 8:13:22 PM
Creation date
11/23/2007 1:13:01 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977436
IBM Index Class Name
General Documents
Doc Date
8/3/2007
Doc Name
Request for Comments
From
Adams County
To
DRMS
Permit Index Doc Type
General Correspondence
Media Type
D
Archive
No
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Banks and Gesso, LLC <br />reclaim the 6& acres. The stockpiles will be broadcast seeded with a temporary <br />cover when stockpiles will remain in place for more than one growing season and <br />will be constructed with a maximum 2:1 slope. <br />Final Grading, Slopes and Drainage <br />Eackfilling of the pit slopes will utilize excess topsoil/overburden salvaged during <br />mining and with weathered shale bedrock excavated from the base of the sand <br />and gravel deposit. The compacted clay liner will be designed and constructed <br />as an impervious liner. The slurry wall and details of how it ties into the <br />compacted clay liner will designed and submitted to the State Engineer's Office <br />for review, prior to construction. Details of the construction of the slope backfill <br />adjacent to the slurry wall will be included with that design. <br />Since the reservoirs will be used as drought protection and rarely lowered, <br />reclamation efforts will be for a full reservoir. Reclamation slopes for the un-lined <br />North Lake will correspond to the natural water level, which currently exists. All <br />slopes will be a maximum of 3:1 to a depth of ten feet below the anticipated <br />water level, transitioning to 2:1 slopes to the shale floor. Processed concrete <br />riprap for UD&FCD pit-side erosion protection will be covered with topsoil, prior to <br />seeding operations. The floor of the reservoirs and lake, and lower slopes, will <br />be graded relatively smooth, but no top-soiling or seeding will occur. <br />Brighton Mine Conditional Use Permit 20007WD <br />CAMAS Colorado, INC. May 2000 <br />
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