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<br />/ <br /> <br />woodward-CIA <br /> <br />. <br /> <br />WCC performed investigations to establish design criteria to remediate seepage in the <br />area of the existing outlet works and to increase the size of the spillway to accommodate <br />75 percent of the Probable Maximum Flood. The fast track project required the field <br />investigation, feasibility study, design, review, and construction to be completed in six <br />months, WCC assisted the Windsor Reservoir and Canal Company in obtaining <br />financing for the project from the Colorado Water Conservation Board. WCC also <br />provided cost estimates for the rehabilitation of the spillway and embankment and <br />provided construction observation and management services during the rehabilitation of <br />the dam and spillway. <br /> <br />Kemmerer City Dam, Wyoming - A landslide threatened the access road to a major <br />regional recreational area surrounding the lake. In conjunction with design and <br />construction of other improvements to the dam, the landslide was stabilized by unloading <br />the crest, constructing drains under the highway to redirect groundwater, and improving <br />surface drainage, WCC provided services including investigation; preparation of designs, <br />specifications and cost estimates; and construction engineering. <br /> <br />Grand River Interceptor Ditch, Colorado - This interceptor ditch in Rocky Mountain <br />National Park diverts water to the east slope for irrigation. The ditch is about 100 years <br />old and pre-dates the National Park. In late spring of 1992 a landslide occurred along <br />a portion of this ditch blocking access to upstream portions of the project. A geologic <br />reconnaissance concluded that the landslide was largely confined to overburden soils <br />which overlie a steep bedrock surface. Recommendations were made relative to <br />stabilizing the slide and to retard slide debris from continuously ravelling down onto the <br />maintenance road. <br /> <br />Telluride Airport, Colorado - WCC investigated the failure mechanism and the cause of <br />failure for the landslide which took out a portion of the runway fill, closed the state <br />highway to Telluride, and buried a sand and gravel plant in the river valley bottom, Air <br />travel to the town was restricted until the slide area was stabilized, <br /> <br />Hourglass Reservoir, Larimer County, Colorado - WCC conducted a feasibility level <br />geotechnical study for rehabilitating the city of Greeley's Hourglass Dam, A field <br />reconnaissance was made of the condition of the embankment and local geologic <br />Woodward~Clyde Consultants <br /> <br />233601PR0.3 12-08-93(8:53am)/RPT <br /> <br />3-7 <br />