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<br />C(\'1MENTARY <br />SHEET 21 OF 45 <br />STATION 1175+00 TO 1232+00 <br />R.EACH6 <br /> <br />COST ESTIMATE <br />SHEET 21 OF 45 <br />SOUTH PLATTE RIVER <br />STATION 1175+00 TO STATION 1232+00 <br /> <br />CONsnWCTION <br /> <br />This reach off'iver is primarily industrial and there are no areas where <br />the loo-year flood is outside the existing banks. <br /> <br />Orainage improvement costs <br />Street crossing costs <br />Utility relocation costs <br />Total construction costs <br /> <br />The recommended plan in this reach is limited structural improvements. <br />primarily to provide lower backwater elevations for the Confluence Park <br />area. The reC(Jllfllended improv~ment i~ to remove the materi al on the left <br />bank underneath the 19th Street bridge and replace it with a vertical abut- <br />ment. <br /> <br />Engineering and contingencies <br />(30% of total construction co~ts) <br /> <br />Property acquisition <br /> <br />TOTAL IMPROVEMENT COSTS <br /> <br />Operation and Maintenance <br /> <br />I <br /> <br />67,185 <br /> <br />67,185 <br />20,155 <br /> <br />[ <br />I <br /> <br />$87,341 <br /> <br />$8,800 <br />