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<br />Conceptual design sketches of the :;elected improvements, Alternative No.5, were made to facilitate <br />construction cost estimates. Costs for this alteroative include: <br /> <br />Construction: <br />Engineering/Administration: <br />Land Acquisition: <br />Total <br /> <br />$2,691,000 <br />$ 458,000 <br />;L...!L~ <br />$3,214,000 <br /> <br />With regards to cost effectiveness, the selected alternative will prevent flood flows up to the 100-year <br />flood from entering the City of Stt:rling. With the increase of bridge eapacity at the existing Pawnee <br />Creek bridges, flood damage from events up to the 25-year event wil.l 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 />Town of Atwood will be significlmtly reduced. Estimated flood damage, (1998 dollars) with and <br />without the project are estimated as follows: <br /> <br /> 10-year 25- Year <br />Damage Before After Before After <br />Direct $768,000 $35,000 $3,790,500 $70,000 <br />Other $153,600 $ 8,750 $ 758,100 $1,1,000 <br /> <br />B <br />$ <br />$ <br /> <br />50-Year 100- Y ear <br />etore After Before After <br />7,700,000 $391,000 $15,938,000 $628,000 <br />1,540,000 $ 78,200 $ 3,187,600 $125,600 <br /> <br />1-1l <br />