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<br /> <br /> <br />14) All vertical curves have a sight distance of at least 140 feet except for the curve at <br />18+52 which is sharper due to the need to accommodate the crossing of the West Lateral Ditch <br />(pipeline). This grade cannot be changed for pipeline hydraulics. <br />15) Prior to chip seal, the road surface will be treated with MC-70 or comparable product <br />16) As seen on the profile on Map 5, the maximum grade of the route is 11.0% in a length of <br />220 feet from station 28+80 to 31+00. This is the section where the road descends toward <br />Tuttle Draw. The County Engineer preferred the steeper grade in this section over a shorter <br />sight distance. <br />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 <br />of the detour road will be 25 miles per hour which is comparable to that of the existing route. <br />There will be no stop signs or passing lanes for the main route. The existing route has straight <br />road but does have a stop sign and a 90 degree turn. The detour length is 4550 feet while the <br />existing road 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. <br />These installations will follow State Highway Department specifications. Culverts exiting on fill <br />will be 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 <br />road centerline and Survcadd civil engineering software working inside AutoCad 14. <br />(REVISED 12/00) <br />Attachment 2.05.3(3) -10-127 <br />