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<br />S.2 Structures within 200 Feet of the Pipelines <br />Very few aboveground structures are located within 200 feet of the pipelines. Several <br />underground natural gas and electric utility lines will be crossed and/or paralleled by <br />the pipelines for a significant distance. <br />The two pipelines will be buried at least 4 feet below ground surface, and, in some <br />cases, the pipeline trench may be 5 to 10 feet deep, e.g., where the proposed pipeline <br />passes under existing pipelines, roads, or other obstacles. In addition, the affected area <br />along the pipeline corridor will be reclaimed immediately after pipeline construction. <br />Therefore, any impacts to man-made structures near the pipelines are likely to be <br />limited to possible incidents during construction of the pipelines. Pipeline trenches will <br />be open for only a few days (the estimated average is 5 days) until the pipe has been <br />placed and backfilling has been completed. Both Rio Blanco County and Garfield <br />County require separate Special Use Permits specifically for construction of the <br />pipelines within the respective counties. <br />We estimate that only structures within 15 feet of the pipelines would have the potential <br />for impacts. However, we have included all known structures within 200 feet of the <br />pipelines on Figures C-la through C-lh. <br />The following structures are within 200 feet of the pipeline right-of-way. A general <br />description of their location relative to the proposed pipeline corridor is given where <br />appropriate. <br />Piceance Creek Crossing The pipelines will be constructed parallel to the <br />Piceance Site access road and will cross Piceance Creek near the access road crossing <br />over Piceance Creek. As discussed above, Marathon has granted American Soda a <br />long-term license for access across Marathon property, and American Soda will be <br />responsible for long-term maintenance of the bridge. <br />Roads Several public road and private road crossings will be necessary to <br />complete construction of the pipelines. Table S-1 provides the details and locations of <br />these crossings. <br />S-2 <br />