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<br />. <br />. Table 11-1 <br /> FEATURES DIRECTLY AFFECTING WEST VALLEY SPILLAGE <br /> AND LOCAL DRAINAGE - HIGHWAY 36 TO NEAR THE WELLMAN DITCH <br />. SOUTH BOULDER CREEK WEST VALLEY OVERFLOW <br /> . Spill above Highway 36 [H] . Highway 36 from Viele culvert [M] <br />. . Spill above Arapahoe Road to and [H] west to Basin Divide <br /> including Wellman Ditch . Lower drainage network through [MI <br />. Channel, diversion, and backwater Highway 36 and downstream <br /> characteristics downstream of [M] along Foothills to near Baseline <br />. Highway 36 . Foothills and Baseline Intersection [HI <br /> including two storages with <br />DRY CREEK NO.2 DITCH controls, storm sewers, roadway <br /> grades <br />. . Culvert under Highway 36 [HI . Westerly subbasin drainage [Ml <br /> including adjacent ditch and local characteristics influencing <br /> drainage culverts under Highway discharge characteristics to South <br /> 36 Boulder and Bear Creek <br />. . Spill structure and crossing of [HI watersheds <br /> South Boulder Road . Crossover Ditch from Foothills to [H] <br />. Ditch, culvert, pipe and related [LI Dry Creek No.2 along Baseline <br /> storm sewers, minor spills, South . Lower Flatirons levee and culvert [M] <br />. Boulder Road to downstream of under the on ramp to Viele <br /> Baseline . Street drainage and subdivision [MI <br />. 55th Ditch from Baseline to Euclid [M] characteristics north of Baseline <br /> . 55th Ditch from Euclid to [HI . Street drainage and subdivision [MI <br />. downstream of the Wellman characteristics north of Wellman <br />. Downstream of 55th [MI . Golf course and industrial! [LI <br /> commercial area north of Wellman <br /> VIELE DRAINAGE SYSTEM <br />. Wellman Ditch <br />. Upper Basin conveyance network [MI <br />. Upper Viele storages [MI . Bear Creek diversion and canal [HI <br /> . Viele storages and culverts at [H] crossing to and including Wellman <br />. Interchange box culvert under Foothills <br />. Lower Viele outfall channel [MI . Canal flow and levee [HI <br /> characteristics from Foothills to <br /> ANDERSON DITCH SYSTEM 55th <br />. . Canal flow and levee [HI <br />. Diversion and spillage from Bear [H] characteristics from 55th to South <br /> Creek Boulder Creek <br /> . Anderson conveyance system [LI <br />. from Broadway to Interchange <br />. Anderson Ditch culvert entrance <br /> and multiple pipe conveyance [M] <br /> under Interchange, and biockage <br />. issues <br />. Anderson Ditch system east of [M] <br /> Foothills through off ramp area to <br />. next culvert downstream, through <br /> likely spill zone <br />. Anderson Ditch system east to [L] <br /> spill zone <br /> . Anderson Ditch spill to Viele [M] <br />. . Anderson Ditch to South Boulder [L] <br /> Creek <br />. <br />.. 11-6 <br />I . <br />