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<br />. <br /> <br />. <br /> <br />. <br /> <br />Conceptual design sketches of the selected improvements, Alternative No.5, were made to facilitate <br />construction cost estimates. Costs for this alternative include: <br /> <br />Construction: <br />Engineering! Administration: <br />Land Acquisition: <br />Total <br /> <br />$2,691,000 <br />$ 458,000 <br />$ 65.000 <br />$3,214,000 <br /> <br />With regards to cost effectiveness, the selected alternative will prevent flood flows up to the l00-year <br />flood from entering the City of Sterling. With the increase of bridge capacity at the existing Pawnee <br />Creek bridges, flood damage from events up to the 25-year event will not occur along the farmland <br />adjacent to the HWY 6 and railroad embankment between the Cemetery and Town of Atwood. <br />Damage from events greater than the 25-year event will be less. Flood damage to the community of <br />To~n of Atwood will be significantly reduced. Estimated flood damage, (1998 dollars) with and <br />without the project are estimated as follows: <br /> <br /> <br /> <br />50-Year <br />Before After <br />$7,700,000 $391,000 <br />$1,540,000 $ 78,200 <br /> <br />..100- Yeat <br />.Bef6re .. After <br />$15,938,000 $628,000 <br />$ 3,187,600 $125,600 <br /> <br />Damage <br />Direct <br />Other <br /> <br />lO-year <br />Before After <br />$768,000 $35,000 <br />$153,600 $ 8,750 <br /> <br />1-11 <br />