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Based on the plans provided by the client it appears that the majority of the cuttings pits will be excavated <br />• into the natural soils and bedrock materials with cuts ranging from 5 to 25 feet in depth. However, earthen <br />embankment fills on the order of 5 to 20 feet in height will be required at the south end of the pit. It also <br />appears that the shaft pad will generally consist of embankment fills ranging from 1 to 10 feet in height <br />with the deeper fill materials being placed along the south end of the pad site. <br />Based on the plans provided by the client and prepared by Water & Earth Technologies, Inc. it appears that <br />the majority of the sedimentation ponds will be excavated into the natural clays and bedrock materials with <br />cuts ranging from 5 to 10 feet in depth. However, earthen embankment fills on the order of 4 to 10 feet in <br />height will be required at the south end of the ponds. <br />The project plans did not provide any cross sections for the transformer pad and access road; however, for <br />purposes of this report we have assumed that the site grading required for these areas will generally consist <br />of cuts constructed along the northern edges and fills being constructed along the southern edges of the pad <br />and roadway alignment. <br />For design purposes, we have assumed the structure loadings to be moderate, typical of this type of <br />construction. If loadings or conditions are significantly different from those described above, we should be <br />notified to reevaluate the recommendations contained in this report. <br />0 Site Conditions <br />The project site is located west of County Road #27 on the Cross Mountain Ranch in Routt County, <br />Colorado. The site was vacant at the time of this investigation. The vegetation at the site consists of grasses, <br />weeds, and sagebrush. <br />The topography across the site is variable and generally slopes gently to steeply to the southeast, south, and <br />southwest on the order of 1 to 25 percent. A maximum elevation difference of 20 to 50 feet appears to exist <br />across the subject property. <br />Field Investigation <br />During the field investigation for this project eight (8) test holes were advanced at the approximate <br />locations shown in Figure #2 to assess the subsurface conditions. Locations of the test holes were <br />determined in the field by pacing from staked building comers at the site, as well as from the site plan <br />provided by the client. <br /> <br />Job Number: 08-8241 NWCC, Inc. Page 2