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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Chapter VI - Selection of Alternative and Financial Plan <br /> <br />A. Narrative Description <br /> <br />Table VI-1 presents a summary of the alternatives developed for the replacement of <br />the Dry Creek railroad crossing culvert structure and lists major advantages and <br />disadvantages. Based on construction cost and the desires of the SLRC and BNSF. <br />the preferred culvert replacement alternative is a new bridge. The construction cost <br />of the new bridge and removal of the existing culvert including channel erosion <br />protection is approximately $775,210. <br /> <br />I Description <br /> <br />Approx. <br />Cost <br /> <br />Table VI-1 <br />Comparison of Alternatives <br />Advantages <br /> <br />Disadvantages <br /> <br />NA None <br /> <br />Loss of valuable asset; <br />! potential interruption of <br />i water delivery to <br />, Horseshoe and Boyd; <br />. does not meet <br />. requirements of existing <br />1905 a reement <br />: Higher cost <br /> <br />Alternative 1 <br />(No Action) <br /> <br />. Alternative 2 <br />; (Tunnelin ) <br />Alternative 3 <br />i (Temporary <br />I Relocation <br />of RR) <br />: Alternative 4 <br />(New Bridge) <br />I <br /> <br />51,420,155 Unpredictable construction cost and not <br />favored b borin contractor <br />51,151,443 . Reliable design <br /> <br />Higher cost <br /> <br />5775,210 Reliable design <br />: High flow capacity <br />! Lowest Cost <br /> <br />29 <br />