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under maximum design flow conditions to ensure the flow and pressure necessary for <br />center-pivot operation can be met by gravity flow from the irrigation storage ponds. <br />G.2.4 Construction QA/QC Plan <br />The following is a general summary of proposed construction QA/QC procedures for <br />pond and pipeline construction. All work shall conform to applicable Federal, State, <br />and County regulations. Testing procedures will conform to applicable ASTM <br />standards, as documented in the edition of standards in force at the start of work <br />(ASTM, 2005 or future annual edition). <br />On-site inspection of construction activities and quality assurance (QA) testing will <br />be conducted by a qualified Field Engineer, at key points during construction. The <br />Field Engineer will be appointed by BMRI. The inspection and QA testing conducted <br />by the Field Engineer will be performed under the direct supervision of a Professional <br />Engineer registered in the State of Colorado (Professional Engineer). <br />Documentation of construction activities and quality assurance testing shall be <br />recorded in an as-built report prepared by the Professional Engineer. Documentation <br />shall include obtaining survey and QA information of sufficient detail to prepare as- <br />built drawings of the constructed works. Documentation will also include <br />photographs of key construction activities. <br />Design modifications due to unanticipated site and subsurface conditions may <br />become necessary, and may range in significance. If modifications to the designs <br />become necessary, they shall be discussed with BMRI and the Professional Engineer. <br />Design modifications will be documented in the as-built construction report. <br />G.3 Ground Water Effects Evaluation <br />Evaluation of the West Pit backfill water quality showed that the current water <br />chemistry is effectively the same as water quality prior to mining (Appendices A and <br />Battle Mountain Resources, Inc. 31 <br />P\PmjwU\2t2-Ne mt(S=Lms)\SmLm\Pnmit A-Ad t- Wen Pit Mamgem AVS Report&PDFs\Tezt\Pe tA-1n-Av5c.dm December 2007