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2017-03-10_REVISION - M1980244
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2017-03-10_REVISION - M1980244
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Entry Properties
Last modified
12/17/2020 1:31:54 AM
Creation date
3/13/2017 9:01:38 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
REVISION
Doc Date
3/10/2017
Doc Name
Request for Technical Revision
From
Newmont
To
DRMS
Type & Sequence
TR89
Email Name
TC1
WHE
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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continue to be mixed in the same manner and ratio as currently approved in the permit and placed in <br /> Squaw Gulch Valley Leach facility (SGVLF). Newfields has been engaged by CC&V to evaluate the <br /> impacts, if any, the unagglomerated tailings have on the geotechnical stability of SGVLF. The Newfields <br /> geotechnical stability analysis memo has been included as Attachment 4, which demonstrates that the <br /> SGVLF is stable with the unagglomerated tailings. <br /> To accommodate an increase in traffic around the HGM, a portion of the pad will be extended to the west <br /> and the south, thus widening the road around the southwestern corner of the HGM. Approximately 4,500 <br /> cubic yards of fill will be placed on the out slopes of the HGM pad to extend the flat portion of the pad <br /> approximately 15 feet in some areas. Construction of the pad will be done in the same manner as the <br /> previous pad construction, with all slopes graded to 21-1:1 V,2.5H:IV, or flatter. <br /> The construction of the concentrate storage building will have very little impact on existing infrastructure <br /> around the HGM. Whilst there are a few buried utilities; water and electrical reticulation may have to be <br /> relocated to the west to prevent limiting access by the construction of the concentrate storage building. <br /> Construction of the Truck Scale and Transport Movements <br /> Once loaded, the trucks will proceed to a new truck scale to be weighed prior to departing site via the <br /> Ironclad access. <br /> The Truck scale will be installed north of the midway fuel island, directly off the side of an existing light <br /> vehicle road (please see attached drawing 20-647-010 within Attachment 1). The truck scale will be <br /> constructed on a reinforced concrete foundation and will be 12 feet wide and 70 feet long, with utilities to <br /> be supplied from the fuel island. <br /> CC&V anticipates that the concentrate will be shipped off site for the foreseeable future. <br /> Modifications to the Approved reclamation Plan <br /> CC&V has determined TR-89 will have a minor impact on the approved reclamation plan; there will be <br /> additional structures and a conveyor requiring demolition during final reclamation. The HGM and <br /> surrounding area will still be reclaimed as described in the approved reclamation plan. The additional cost <br /> to demolish the concentrate stockpile facility, conveyor, and truck scale are included in the next section <br /> below. <br /> CC&V used portions of the 2017 RS Means costs to calculate the increase in reclamation cost. The table <br /> below contains a reclamation cost estimation to reflect the additional reclamation liability incurred by the <br /> State. All costs include equipment and labor. With the approval of TR-89 the required financial warranty <br /> will be increased by$80,875.97 or what the State determines to be the increase in reclamation liability. <br />
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