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<br />discharge. The location of each improvement and the residua-I floodplain are <br />shown on Sheets 11 and 12. Typical details of the str'uctures are shown on <br />Sheet 14. Water surface profi 1 es of the 1 DO-year fl ood with proposed im- <br />provements are shown on Sheets 8 through 10. These flood profiles are based <br />on rating curves and are accurate to about 0.5 feet (as descl'ibed in the <br />Hydraul ics section of this report). <br />Plan 3 was selected to minimize flood damages a'long Cedar Creek. This <br />plan recommends replacement of only the Hincrest Dr'ive crossing. The loca- <br />tion of the improvement and the residual floodplain after construction are <br />shown on Sheet 13. The details of the 8' x 20' box culvert are shown on <br />Sheet 14. <br />Since 100-year flooding on Dry Cedar Creek is confined to its channel <br />along most of the study reach, the plan of floodplain management is the <br />obvious choice. <br /> <br />Plan Benefits <br />Benefits resulting from the implementation of these Flood Control <br />Plans to the City of Montrose are: <br />El imination of potential damage to structures and con- <br />tents caused by f'looding from Montr'ose Arroyo, Cedar <br />Creek and Dry Cedar Creek up to the 100-year flood event. <br /> <br />Reduction in cost of utility and road clean-up and <br />replacement. Reduction in potent'ia1 indirect damages in- <br />cluding: loss of business and services, loss of sales, <br />and transportation inconvenience. <br /> <br />- 30 - <br />