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~ Associ~2-.tes <br />February 26a', 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 />RE: Summary No. 47: February 10 through February 23, 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 February l0a' <br />through February 23`a, 2002. <br />The weather during this reporting period was cleaz to cloudy. Approximate daytime low temperatures <br />ranged from 6° F to 33° F, and highs ranged from 31 ° F to 55° F. Snow was recorded on February 14a', <br />15a', 19a', and 215`, 2002. Weather observations were made on ten days of this fourteen-day reporting <br />period. <br />Construction Smopsis <br />Ames Construction Ina (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 ten days of this <br />fourteen-day reporting period (February 11`s through February 15a' and February 18a' through <br />February 22"a) <br />Phase IVa <br />Ames placed Structural Fill (SF) in the Phase IVa azea at stations 7+00 through 26+00 of the Perimeter <br />Access Road. Ames conducted slope recontouring in the Phase IVa azea at the 84-inch headwall. <br />Structural Fill materials were placed in horizontal lifis typically not exceeding 2 feet in loose thickness. <br />A Caterpillar CS563C roller provided compactive effort, while a Caterpillaz water wagon provided <br />moisture conditioning when needed or required. Structural Fill was also used to backfill "Shallow" <br />workings UG-439, UG-440, UG-441, UG-442, UG-443, UG-449, and UG-450. <br />Ames performed excavation remediafion activities of known underground workings UG-439 through <br />Golder Associates Inc. <br />44 Union Boulevard, Suite 300 <br />Lakewood, CO 80228 <br />(303)980-0450 <br />(303)985-2080 <br />Golder Associates Inc. <br />