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~• The various buildings are expected to be multi-story, steel-frame, metal-siding structures <br />supported by reinforced concrete foundations. Foundation loads are expected to be light to <br />moderate, with estimated column loads on the order of 150 kips. Concrete slab on grade floors <br />are expected, assumed to support industrial loading of about 500 pounds per square foot (psf). <br />We understand that the mine development plans may change from those anticipated for <br />this study. The limited amount of borings made for this study are fairly widely scattered. We <br />should review the fmal plans to determine if additional exploration is necessary. It may be <br />necessary to perform additional study and/or re-evaluate our recommendations. We should have <br />the opportunity to review any constmction plans for consistency with our recommendations. <br />STTE CONDITIONS <br />• The surface facilities of the Bowie No. 2 Mine will be situated on a moderate to steep <br />southeast facing slope, inclined at between 3 and SH:1V. An existing unimproved dirt road <br />traverses the slope, providing access to most of the boring locations. The dirt road is generally <br />wholly in a cut section and is trafficable with slight difficulty by a 2-wheel drive pickup truck <br />in dry weather. The cut banks are overall between 1.5 and 2H:1 V, and appear generally stable. <br />The ground surface is covered with a strong growth of native vegetation consisting of weeds and <br />grasses, shrubs such as scrub oak, and coniferous trees such as juniper. Organic-rich topsoil <br />was generally not well developed. Few developed drainage features were noted on the ground <br />surface. Average rainfall is estimated at about IS inches per year. The project elevation ranges <br />from about 6,000 to 7,100 feet. Signs of wildlife were abundant during our field work in late <br /> <br />i <br />