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~ = - =Golder <br />Associates <br />April 9a', 2002 <br />Mr. Ron Roberts <br />Cripple Creek & Victor Gold Mining Company <br />P.O. Box 191 <br />1280 State Highway 67 <br />Victor CO 80860 <br />Golder Project No.: 003-2203 <br />12E: Summary No. 50: March 24 through Apri16, 2002 <br />Cresson Project Phase IVa, b, and c Construction Quality Assurance <br />Deaz Mr. Roberts, <br />Golder Associates Inc. (Golder) is pleased to submit this summary of Phase IVa, b, and c Construction <br />Quality Assurance (CQA) services performed for the Cresson Project during the period of March 24`~ <br />through April 6a', 2002. <br />The weather during this reporting period was clear to cloudy. Approximate daytime low temperatures <br />• ranged from 11 ° F to 38° F, and highs ranged from 43° F to 66° F. Snow was recorded on March 25a', <br />2002. Weather observations were made on eleven days of this fourteen-day reporting period. <br />Construction Synopsis <br />Ames Construction Inc. (Ames) of Aurora, Colorado is the earthwork contractor for the Phase IVa, <br />b, and c construction. Ames conducted Phase IVa, b, and c construction activities on eleven days of <br />this fourteen-day reporting period (Mazch 25`s through March 29a' and April 1 s` through April 6a'). <br />Phase IVa <br />Ames placed Structural Fill (SF) in the Phase IVa azea along the northern end of the old ADR road. <br />Stmctural Fill materials were placed in horizontal lifts typically not exceeding 2 feet in loose thickness. <br />A Caterpillaz CS563C roller provided compactive effort, while a Caterpillaz water wagon provided <br />moisture conditioning when needed. Ames conducted slope recontouring throughout the Phase IVa <br />area in prepazation for final subgrade preparation. <br />Ames resumed construction of the 84-inch CSP by placing formwork for the headwall and placing <br />approximately 10 cubic yazds of concrete. <br />Ames removed the previously constructed portion of the Phase IVa Primary Underdrain (PU) due to the <br />Golder Associates Inc. <br />44 Union Boulevazd, Suite 300 <br />Lakewood, CO 80228 <br />(303) 980-0450 <br />(303} 985-2080 <br />Golder Associates Inc. <br />