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<br /> <br />DRAFT <br /> <br />CONTENTS <br /> <br />Page <br /> <br />Introduction <br /> <br />............0.......................................... . <br /> <br />Conclusions <br /> <br />....................................................... . <br /> <br />The model <br /> <br />Description.. . . . . . . .. . . . . . . . . . . .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />Model measurements and instrumentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> <br />Hydraulic similitude .............................................. <br />Sediment scaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> <br />Model results and analysis <br /> <br />Model calibration ...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />Calibration of dam, radial gate, and intake . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />Study of boating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />Final boatchute configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />Flow patterns <br /> <br />Sediment studies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />Sluicing flows <br />Approach flow to Englewood intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> <br />Sediment tests . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />Floodflows ..................................................... <br />Flow over the main crest ........................................ <br />Lowering the sluice wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />Riprap and channel stability . . . . . . . . . . . . . . .. ..................... <br /> <br />TABLES <br /> <br />Table <br /> <br />1 Average monthly South Platte riverflows at Littleton, Colorado, <br />and average Englewood diversions ............................ <br />2 Velocity comparison in front of primary Englewood water intake <br />with high and low walls .................................... <br />3 Water surface elevations from Union Avenue bridge to the pool <br />downstream of boatchute 2 ................................. <br /> <br />III <br />