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2022-02-09_PERMIT FILE - M2021046 (4)
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2022-02-09_PERMIT FILE - M2021046 (4)
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Last modified
2/9/2022 4:05:07 PM
Creation date
2/9/2022 2:57:49 PM
Metadata
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Template:
DRMS Permit Index
Permit No
M2021046
IBM Index Class Name
Permit File
Doc Date
2/9/2022
Doc Name Note
Appendix E AMEC 2016 Sub App F CQA
Doc Name
Adequacy Review Response
From
Zephyr Gold USA Ltd
To
DRMS
Email Name
TC1
MAC
Media Type
D
Archive
No
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amec <br /> foster <br /> wheeler <br /> Zephyr Gold USA Ltd. PAGE 6 OF 11 <br /> Dawson Gold Project <br /> Dawson Filtered Tailings Storage Facility SPECIFICATION SEC. NO.: <br /> 01400.1 <br /> Pre-feasibility Study TECHNICAL SPECIFICATIONS FOR EARTHWORKS DATE: (ORIGINAL) <br /> Fremont County, Colorado CONSTRUCTION QUALITY ASSURANCE(CQA) 20-October-16 <br /> PROJECT NO.: 74201633 PLAN REVISION: A <br /> DATE: 20-Oct-16 <br /> satisfaction of the CQA MONITOR. If CONTRACTOR is unable to correct the problem, the CQA <br /> MONITOR(S)will notify ENGINEER, MANAGER and OWNER, who will assist in problem resolution. <br /> Upon completion of remedial work,the CQA MONITOR(S)shall retest and the ENGINEER and MANAGER <br /> will approve the corrected deficiencies. The questionable zone will have acceptable test results prior to <br /> any additional related work being performed by CONTRACTOR. All retests and related documentation <br /> shall be recorded by the CQA MONITOR(S) and provided to the ENGINEER for inclusion in the <br /> Construction Completion Report. <br /> 4.0 EARTHWORKS CONSTRUCTION QUALITY ASSURANCE <br /> Construction of the Dawson FTSF and related structures shall be in accordance with the DRAWINGS and <br /> SPECIFICATIONS. A CQA monitoring and testing program shall be implemented to ensure construction <br /> compliance by the CONTRACTOR. The CQA testing program shall consist of construction testing of <br /> materials used in the earthworks components of the facility construction. The types of materials are defined <br /> in the SPECIFICATIONS. During construction, the CQA MONITOR(S) shall sample and test these soil <br /> types to determine if they meet SPECIFICATIONS. The CQA MONITOR(S) shall obtain and test soil <br /> samples in accordance with American Society for Testing and Material (ASTM) standards or engineer <br /> approved alternative. All tests shall be performed by the CQA MONITOR(S) onsite or in a geotechnical <br /> laboratory approved by the ENGINEER and MANAGER. <br /> 5.0 CONSTRUCTION TESTING <br /> During construction, the CQA MONITOR(S) shall test all earthwork components to verify that the <br /> construction is in accordance with the SPECIFICATIONS. Testing shall be performed on all materials used <br /> in the construction to confirm that the materials meet the SPECIFICATIONS. The CQA MONITOR(S)shall <br /> conduct testing after final placement of the materials. The tests to be performed and the testing frequency <br /> for each material type are listed in Table 01400.1-1. The testing frequencies shall be increased when the <br /> CQA MONITOR determines that construction conditions (such as adverse weather, equipment breakdown, <br /> excessive lift thickness, improper soil type, improper moisture conditioning and compaction) warrant <br /> additional tests. Additional tests will be approved by the MANAGER and directed by the CQA <br /> MONITOR(S). <br /> 6.0 CONSTRUCTION MONITORING <br /> The CQA MONITOR(S) will monitor and test all earthworks construction materials to verify that the <br /> construction is in accordance with the SPECIFICATIONS. The CQA MONITOR(S)shall identify inadequate <br /> construction methodologies or materials that may adversely impact the performance of the facility being <br /> S:\ZEPHYR MINERALS\DRMS MINE APPLICATION\01400.1-EARTHWORKS CQA.DOCX <br />
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