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<br />1 <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />HYDROLOGY <br /> <br />Il-24 <br /> <br />6. The boat chute is not suitable for beginning boaters. Skill is <br />required. Using the boat chute involves a degree of risk. <br /> <br />BOA T CHUTE DIVERSIONS <br />The location and design of the Union Avenue boating by-pass has not been <br />analyzed or selected at the time of the hydrological study. In fact, this <br />study will be an important basis for the feaSibility evaluation, selection <br />of the location and design of the facility. <br /> <br />The boating by-pass will likely be separate and distinct from the Englewood <br />river intake for purposes of safety and operations. <br /> <br />Minimum satisfactory operational flow through the boating by-pass structure <br />is estimated at 50 cfs. Optimum boat chute flow is likely to range between <br />200 and 300 cfs. The maximum design flow objective for the boat by-pass <br />structure is approximately 600 cfs. <br /> <br />Depending upon the type of by-pass, the location, as well as the intake <br />control, flow through the by-pass structure may be uncontrolled as to <br />maximum flow. <br /> <br /> <br />STATISTICS OF RIVER FLOW <br />A statistical analysis of river discharge at Littleton has been made for <br />the 1972-1985 period of (14 years) for the South Platte River since the <br />closure of Chatfield Reservoir. Table II -15 summarizes findings related to <br />flow duration. <br /> <br />For analysis of South Platte River Flow for boat chute <br />boating season of May through September is more suitable. <br />a statistical analysis of river discharge at Littleton has <br /> <br />evaluation, the <br />For that reason, <br />been made for <br />