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Record Of Decision <br />^ Alternative 1, option B includes the northern half of the Alternative 1, option A site, but excludes the <br />Island Park medicalfdental building and the other four properties located south of West A Street. <br />This reduced site covers 115,870 square feet (2.66 acres). <br />Alternative 2 -Chiquita (formerly Agripac) Site, Eugene, <br />Option A (Preferred Alternative) and Option B <br />Alternative 2, option A (the preferred alternative) is bordered by East 8th Avenue, Mill Street <br />(Highway 99), the Southern Pacific Railroad tracks, and the centerline of the unimproved Ferry <br />Street right-of--way. This site covers 225,206 square feet (5.17 acres). Alternative 2, option A <br />includes the western portion of the Chiquita (formerly Agripac) property, as well as all the AutoCraft <br />property on both sides of East 8th Avenue. <br />^ Alternative 2, option B includes the southern half of the Chiquita (formerly Agripac) property <br />identified in Alternative 2, option A, as well as all of the AutoCraft property on both sides of East 8th <br />Avenue. This reduced site covers 108,900 square feet (2.5 acres). <br />Alternatives addressed in the draft EIS but not carried forward to the final EIS include development of <br />the Gateway site (Alternative 3), the Eugene Water and Electric Board sites (Alternatives 4A and 4B), <br />and the Broadway site (Alternative 5). These sites were deemed unfeasible and were eliminated from <br />further consideration.. Seventeen other sites were eliminated during the screening process prior to <br />preparation of the draft EIS because they did not meet the site requirements for the facility. <br />Environmental consequences of the project: <br />Geology, Soils, and Seismic Conditions <br />No unusual soils or foundation conditions are likely to occur on either of the alternative sites. <br />Water Resources -Construction Impacts <br />Construction impacts would be similar for both of the alternatives considered in the final EIS. During <br />construction of the proposed facility, it maybe necessary to dewater the foundation construction areas to ( ;; <br />prevent ground water or stormwater from ponding at the bottom of the excavation. Dewatering in ', ' <br />excavation areas may increase the flow volumes discharged from the site during construction and may <br />increase the transport of solids offsite, which may increase the turbidity of runoff into the Willamette ( i <br />River. Without proper controls, adverse impacts on water quality may result from dewatering activities. <br />Operation of heavy equipment requires fueling and engine maintenance activities that involve oil, <br />grease, solvents, and other toxic engine fluids. These materials may be entrained in stormwater runoff <br />from leaks, accidents,. and improper handling or disposal. Soils that become contaminated can carry the <br />absorbed contaminant offsite into receiving waters. Damage to aquatic life in the Willamette River may <br />occur if an uncontrolled spill of fuel or other toxic material occurs on the construction site and ~ ', <br />stormwater runoff or dewatering carries the material offsite. Heavy equipment used for construction <br />may increase the potential for spills of fuel or other related products. Spilled material may also <br />contaminate ground water beneath the construction site. Lesser impacts may be caused by the ~ ~' <br />cumulative effects of miscellaneous leaks and drips of fuel, antifreeze, solvents, concrete curing <br />compounds, asphalt emulsifier, paints, and other materials used during construction. <br />Removal of any existing structures may result in short-term impacts from dust and debris associated <br />with demolition activities. Water quality impacts typically associated with demolition activities include <br />_. <br />,,. <br />New Federal Courthouse Page 2 of 8 March 2001 <br />