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• 17) No sections of the roadway or fill are within the 100 year floodplain of Tuttle Draw. <br />18) Based upon the horizontal curves and superelevation of 4%, the recommended speed of <br />the detour road wi11 be 25 miles per hour which is comparable to that of the existing route. There <br />will be no stop signs or passing lanes for the main route. The existing route has straight road but <br />does have a stop sign and a 90 degree turn. The detour length is 4550 feet while the existing road <br />to get to the same point is 4800 feet in length. <br />19) In areas where the road drainage must pass from one side to the other, 16" diameter <br />corrugated metal pipes will be placed at approximate 250 feet intervals below the roadway. These <br />installations will follow State Highway Department specifications. Culverts exiting on fill will be <br />protected from erosion by use of riprap or other means. <br />20) It is assumed that Montrose County will agree on the plans and later will approve of the <br />actual construction based on inspections, reports, etc. Once the road is acceptable, Montrose <br />County will assume the road and will conduct the maintenance. <br />21) Once the detour is abandoned, it will be reclaimed. Chip seal surface will be excavated <br />and stockpiled for use in the permanent construction of BB Road west of the Sunshine Ranch <br />Corner. The exact location of the stockpile area has not yet been determined. <br />The road was designed using an accurate aerial topographic map, site survey points for the road <br />centerline and Survcadd civil engineering software working inside AutoCad 14. <br />• <br />tRevised woo> Attachment 2.05.3(3) -10-106 <br />