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2019-11-27_PERMIT FILE - M2019058 (6)
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2019-11-27_PERMIT FILE - M2019058 (6)
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Last modified
12/27/2024 2:59:14 PM
Creation date
12/2/2019 9:44:30 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M2019058
IBM Index Class Name
Permit File
Doc Date
11/27/2019
Doc Name Note
Exhibit E - Reclamation Plan
Doc Name
Application
From
Colorado Sand Company LLC
To
DRMS
Email Name
MAC
BFB
Media Type
D
Archive
No
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E-13 <br /> Given the nature of concurrent reclamation, the general plan or schedule as to how and when <br /> reclamation will be implemented is,in part,discussed in Exhibit D: Mining Plan(with respect to the <br /> annual pit progression and concurrent reclamation activity);and,in Items(a)through(d), above. <br /> In addition, Table E-1: Reclamation Sequence and Projected Material Balance demonstrates the <br /> manner (e.g., sequence) in which life-of-mine reclamation activities will proceed (through closure); <br /> and,it further provides a material balance demonstrative that growth medium salvage,stockpiling,and <br /> re-placement volumes are adequate to facilitate full reclamation of the"affected area",in its entirety. <br /> (f) A description of each of the following:(i)final grading—specify maximum anticipated slope gradient <br /> or expected ranges thereof, (ii) seeding-specify types, mixtures, quantities, and expected times of <br /> seeding; (W)fertilization-if applicable,specify types, mixtures, quantities, and time of application; <br /> (iv)revegetation—specify types of trees,shrubs,etc.,quantities,size and location;and,(v)topsoiling <br /> -specify anticipated minimum depth or range of depthsfor those areas where topsoil will be replaced <br /> CSC provides the following discussion relative to each of the specified topics, and notes that each is <br /> addressed in greater detail within Item(d),above,and/or other supporting"Exhibits"to this application. <br /> (i) Final Grading—The maximum anticipated slope gradient for the reclaimed areas is anticipated <br /> to be a nominal 3H:1 V, the approximate equivalent of natural angle of repose for the sand <br /> material. In general, CSC anticipates utilizing the 311:1V slope gradient on all pit perimeter <br /> areas. In addition,CSC will employ the 311:1 V slope gradient in conjunction with those mined <br /> areas which encroach upon or abut easements, rights-of-way, and/or physical structures such <br /> as oil and gas wells,tank installations,water wells,etc. In the case of the latter,all such features <br /> are specifically subject to"structure agreements", as per Rule 6.4.19—Permanent Man-Made <br /> Structures. CSC anticipates that certain features may be subject to specific lease language <br /> (limitations) which may address the Operator's obligations with respect to setbacks and/or <br /> slope gradients in greater detail. One exception to the nominal 3H:1V slope gradient will be <br /> the eastern and/or southern side(s) of the process waste stockpile, which will be reduced to a <br /> lower gradient 511:1 V, in part to more appropriately reflect a stable post-reclamation slope <br /> gradient for the fine-grained material. <br /> (ii) Seeding—Details as to the specific types,mixtures,quantities, and expected times of seeding <br /> are provided under Item(d), above. <br /> Keenesburg No. 2 Mine-112 Reclamation Operation—November 22, 2019 <br />
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