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<br />I <br /> <br />I <br /> <br />I <br /> <br />10. HYDRAULIC DESIGN OF DROP STRUCTURES <br /> <br />I <br /> <br />client(s): Matrix Engineers, Inc. <br /> <br /> <br />Drop structures were designed to reduce the slope and flow velocity of <br /> <br /> <br />Comanche Creek near Strasburg, Colorado. The structures were designed to <br /> <br /> <br />provide a controlled hydraulic jump for discharges up to 15000 cfs. Items <br /> <br /> <br />analyzed were potential channel erosion, revetment protection, hydrostatic <br /> <br /> <br />uplift pressures, and hydraulic jump characteristics. <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />11. WELD COUNTY BRIDGE HYDRAULIC DESIGN <br /> <br />Client(s): Matrix Engineers, Inc. <br /> <br />I <br /> <br />WRC provided hydrologic and hydraulic analyses necessary to design a new <br /> <br /> <br />bridge for Weld County Road 27 crossing of the Cache la Poudre River, Back- <br /> <br /> <br />water analysis was performed for a number of bridge lengths and clearance to <br /> <br /> <br />choose the proper bridge size. pier scour, channel stability, and revetment <br /> <br /> <br />protection were analyzed. <br /> <br />I <br /> <br />I <br /> <br />12, DRAINAGE STUDIES AND FORMULATION DRAINAGE PLANS <br /> <br />I <br /> <br />I <br /> <br />WRC has completed over 50 storm runoff management plans for a number of <br /> <br />clients in the private sector, Specific tasks included a detailed hydrology <br /> <br /> <br />study to determine rainfall/runoff or snowmelt/runoff relationships for vari- <br /> <br /> <br />ous frequency storms and snowpacks, conducted detailed hydraulic analyses to <br /> <br /> <br />identify existing and potential drainage problems, formulated a drainage plan <br /> <br /> <br />to alleviate existing and potential drainage problems, and determined the <br /> <br /> <br />construction costs for the proposed improvements. <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />A partial list of clients for such services include: Perl-Mack Companies; <br /> <br /> <br />Sanford Homes, Inc.; Mally Corporation; Lafayette South, Ltd.; D. J. Umland <br /> <br /> <br />Construction Management, Inc.; Longmont Farms, Ltd.; Colorado Highlands; VTN <br /> <br /> <br />Corporation; Costin Engineering; Matrix Engineers, Inc.; <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />-10- <br />