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2017-06-09_REVISION - M1980244
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2017-06-09_REVISION - M1980244
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Entry Properties
Last modified
12/26/2020 8:55:30 AM
Creation date
6/13/2017 8:02:30 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
REVISION
Doc Date
6/9/2017
Doc Name
Adequacy Review Response #2
From
CC&V
To
DRMS
Type & Sequence
TR89
Email Name
TC1
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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Newmont-Cripple Creek&Victor Gold Mine ■ <br /> Technical Specification No.02200-Earthworks ■ <br /> Concentrate Shipping <br /> Project No.475.0106.015 <br /> June 2,2017 <br /> C. Prior to placement of fill materials, CONTRACTOR shall scarify all in-situ materials to a <br /> depth of 6-inches, moisture condition, and re-compact the subgrade. Compaction <br /> effort shall be adequate to obtain a minimum of 95 percent of maximum dry density as <br /> determined by the modified Proctor test (ASTM D1557) for the particular fill material. <br /> Moisture conditioning shall be adequate to achieve a uniform moisture and density. In <br /> rock areas, the CONTRACTOR shall prepare the subgrade by removing loose rock and <br /> fragments until competent foundation material is encountered as approved by the <br /> CERTIFYING ENGINEER. <br /> D. If the underlying material is unsuitable to permit proper compaction of the subgrade, <br /> the CONTRACTOR shall loosen, or excavate and remove, and re-compact the subgrade <br /> in 12-inch loose lifts until the top layer can be compacted as required. The re- <br /> compacted surface shall then be scarified, as needed, to provide a good bond between <br /> the foundation and fill materials. <br /> 3.4. Fill Placement <br /> A. The following general guidelines shall be followed except as noted elsewhere in this <br /> Section. <br /> 1. No fill materials shall be placed until the foundation and subgrade preparations <br /> have been completed as specified herein, in Part 3.3 of this SPECIFICATION. The <br /> procedures for fill placement shall be approved by OWNER and CERTIFYING <br /> ENGINEER prior to start of fill placement. <br /> 2. No brush, roots, sod, frozen material, or other deleterious or unsuitable materials <br /> shall be incorporated in the fills. The suitability of all materials intended for use in <br /> the fill shall be subject to approval by the OWNER and CERTIFYING ENGINEER. Fill <br /> placement shall be temporarily stopped by CONTRACTOR due to weather <br /> conditions, if materials and installation do not meet the SPECIFICATION, at no cost <br /> to CC&V. Fill shall not be placed upon frozen material, such as snow or ice or other <br /> unsuitable material. <br /> 3. If the surface of the prepared foundation or the surface of any layer of the fill is too <br /> dry or too smooth to bond properly with the layer of material to be placed thereon, <br /> it shall be moisture-conditioned and/or worked with harrow, scarifier teeth, disc, or <br /> other suitable equipment to provide a satisfactory bonding surface before fill <br /> material is placed thereon. If the surface of the prepared foundation or the rolled <br /> or compacted surface of any layer is excessively wet for fill materials to be placed <br /> thereon, it shall be removed and allowed to dry or worked with a harrow, scarifier <br /> teeth, disc, or other suitable equipment to reduce the moisture content to an <br /> acceptable level or meet project specifications as determined by OWNER and <br /> CERTIFYING ENGINEER. It shall then be compacted before the next layer of fill <br /> Page 4 <br />
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