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2024-08-07_PERMIT FILE - M2024043
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2024-08-07_PERMIT FILE - M2024043
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Last modified
8/8/2024 9:05:10 AM
Creation date
8/8/2024 8:57:33 AM
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Template:
DRMS Permit Index
Permit No
M2024043
IBM Index Class Name
Permit File
Doc Date
8/7/2024
Doc Name
Application
From
Harry Corkle Construction
To
DRMS
Email Name
BFB
ZTT
EL1
Media Type
D
Archive
No
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0 <br /> RPM,Inc.,25049 E.Alder Dr.,Aurora,CO 80016 Phone:(303)854-7499 Email:hlhumphries2@comcast.net <br /> The proposed operation will consist of six (6)total Phases. (Please see 6.4.4(e) below.) <br /> The first Phases will be Phases A-1 and B-1. Phase A-1 will begin in the far northeast <br /> portion of Pit, soils unit Fo (a sand and gravel resource). The other initial Phase, B-1, <br /> will begin in the far northwest portion of Pit, soils unit CyF (a cobble resource). Given <br /> soils unit Fo is sand and gravel, we expect mining in soils unit Fo to proceed faster than <br /> mining in soils unit Cyf. <br /> The total acres to be stripped of topsoil in Phase A-1 (Soils Unit Fo) will be <br /> approximately 24.4 acres. Next will be Phase B-1. Based on the Soils Report,this is little <br /> to no topsoil to strip in Phase B-1 (Soils Unit CyF). The mineable acres in Phase B-1 are <br /> approximately 13.9. <br /> Prior to entering Phases, A-2 and B-2, the topsoil will be stripped and placed into the <br /> operational best located topsoil stockpile. As stated above, little or no topsoil exists on <br /> soils unit CyF. <br /> These initial phases will be separated by a change in topographic grade. The area mined <br /> in soil unit CyF will be 15-19 inches deep. Past that depth, native bedrock is <br /> encountered. The Fo soil unit mined area is sixty plus inches deep of sand and gravel. <br /> The difference between the two mined areas will create a slight drop off which will need <br /> some combination of grading and/or backfill to create a 3H:1 V slope between the two <br /> mined areas. (Please note product mining depths are estimates based on the soil survey <br /> and may be more or less then stated.) <br /> The upper twenty inches of soil unit is primarily topsoil and overburden. The entire <br /> twenty inches may be used as topsoil. We therefore propose to use the topsoil and <br /> overburden as a plant growth for reclamation. There will be a post mine elevation <br /> difference between CyF and Fo where these units meet. The difference in topographic <br /> elevation, post mining, will be further addressed in the reclamation section. <br /> This approach will allow the resources(cobble, sand, and gravel)to be extracted, as <br /> market demand requires. It will also allow reclamation to occur in phases as mining <br /> moves across the site. Access, however, must be maintained between the processing site <br /> and the Phase being mined as the operation moves to the Southeast. <br /> 13 <br />
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