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<br />Given the facts that ttle ~o~n is ?l~eady substantia:ly <br />built out, that much of the town is in the lOO-year <br />floodplain, and that a par~ia: ne~work of levees al~eariy <br />exists, the only feasible structural floo~ contrel <br />alternatives for Dolores involve levee cons~~uction. Por <br />the north side of the river where the town is loca~edr two <br />alternatives are feasible. They both involve construction <br />,~f new levees in combination ~ith the improvement of <br />existing levees from the 4th Street Bridge upstream <br />approximately 3/4 mile to Station 66+00, directly opposite <br />~he eastern boundary of the Dolores High School. One <br />alternative, Alternative A, would then turn nort, for 200 <br />feet to Highway 145, then turn East for 300 feet along the <br />south edge of the highway to tie,into high ground. The <br />:;econd alternative, Alternative S, would continue alone the <br />110rth bank of the river for about 1250 feet, at .the easter~ <br />~)oundary of the Dolores Water Treatment Facilit~7, the~ t1Jr~ <br />north for approximately 400 feet ~o Higjway 145. <br /> <br />As mentioned above, tte two alternatives arl? identical <br />~~rom the 4th Street Bridge to Sta~ion 66+00. Tji~t oortion <br />of the project has been divided into 5 distinct sections. <br />~'hese are described below. The remaining portions, ,"here <br />t:here truly are two alternatives, will be descri~)e6 <br />immediately after these 5 secti.ons. Plates 5a an:) 5b sho,,' a <br />nlap view of the levee alternat~ves. Cross-sectic)n d~a~inas <br />f.re also included on plates 6a and 6b, ana p=o~i:,es a~e <br />~,hown on Plates 7a and 7b. <br /> <br />Two levee alternatives are consi6e~ea in ttj.s reDO=~ <br /> <br />ior the south side of the =ive~, essent~a:ly bet~7ee~ the <br />alignments of 5th Street and 7th Stree~1 whe~e SClne existi~g <br /> <br />homes a=e in the 'OO-yea~ ~loo~~~ai~. <br /> <br />~hese a~:~'~~~t~~ss <br /> <br />a=e also i:l~st=at~d O~ ?:ates 52 2~~ 5~, ?:a~e~ 52 a~~ ~~, <br /> <br />ana Plate 7a. <br /> <br />~. Plan Formulation <br /> <br />The structural plan o~-improvemen~ that has been <br />selected for the study reacj is o~e that consi6e~s :evees <br />on the right (North) bank a,~d :Left (South) bank. T~e nlan <br />is described by a station re~e~ence. ~he levee s~atlo~lng <br /> <br />..::: _. <br />