2022-02-09_PERMIT FILE - M2021046 (4)

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amec foster wheeler Zephyr Gold USA Ltd. PAGE 4 OF 11 Dawson Gold Project Dawson Filtered Tailings Storage Facility SPECIFICATION SEC. NO.: 01400.1 Pre-feasibility Study TECHNICAL SPECIFICATIONS FOR EARTHWORKS DATE: (ORIGINAL) Fremont County, Colorado CONSTRUCTION QUALITY ASSURANCE(CQA) 20-October-16 PROJECT NO.: 74201633 PLAN REVISION: A DATE: 20-Oct-16 • Review and approval of DRAWINGS and SPECIFICATIONS for all soil components of the Dawson FTSF construction and related facilities as required. • Preconstruction coordination with the ENGINEER and CQA MONITOR to ensure that the CQA Plan can be implemented. • Coordination of all construction activities associated with required CQA testing and activities. • Scheduling and coordinating construction activities with the ENGINEER and CQA MONITORS for required CQA testing and activities. • Approve with the CQA MONITOR specific corrective measures to be implemented during construction when deviations from these SPECIFICATIONS occur. • MANAGER shall serve as communications coordinator for the project, initiating preconstruction and resolution meetings. As communications coordinator, MANAGER will serve as a liaison between all parties involved in the project to ensure that ongoing communications are maintained. CONTRACTOR:The Earthworks CONTRACTOR, also referred to as "CONTRACTOR", is responsible for proper processing, delivery, and placement of all components of the Dawson FTSF as shown on the DRAWINGS and as outlined in the SPECIFICATIONS. ENGINEER: The ENGINEER is responsible for the design and preparation of the DRAWINGS and SPECIFICATIONS, and for confirming that the construction was performed in compliance with the DRAWINGS and SPECIFICATIONS. The ENGINEER is also responsible for approving all design and SPECIFICATION changes, modifications, or clarifications encountered during construction. MANAGER and ENGINEER shall be responsible for the resolution of all quality assurance issues. Additional duties for this position include the following: • Preconstruction coordination with the CQA MONITOR(S) to ensure that the CQA MONITOR(S) has performed reviews of the DRAWINGS and SPECIFICATIONS and that the CQA Plan can be implemented. • Overseeing the construction QC operations performed by CONTRACTOR. • Approve specific corrective measures to be implemented during construction when deviations from the SPECIFICATIONS occur. • Ensure that required quality assurance testing has been performed in accordance with the CQA Plan. S:\ZEPHYR MINERALS\DRMS MINE APPLICATION\01400.1-EARTHWORKS CQA.DOCX