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Ruete-~less Dam and Reservoir Project, Dou~as County, Colorado iTor <br />Parker Water b SaMtatton Olstrict. R1H Consultants. Inc. is the lead engineering <br />firm providing design and construction management services for the Rueter-Hess Dam <br />and Reservoir, located about 3 miles soutttwast ttf Parker, Colorado. The Rueter-Hess <br />Dam and Reservoir is a 135-foot-tail, 5,300-foot-tong zoned earthen embankment dam <br />that includes a service spillway capable of passing the 100-year flood and art auxiliary <br />spillway able to pass the probable maximum flood. The reservoir will stone about <br />1 fi,200 acre-feet of water. <br />During the initial stages of constnution, PWSD elected to modify the original design to <br />accornrnodate a near-term entargertterrt and to avoid building components such as the <br />spilMvay and terminal facilities that would no longer be needed after enlargement. The <br />engineering team worked closely with the State Engineer to obtain the State's <br />authorization to implement these significant changes on an on-going project. The <br />enlarged reservoir irtaeasPS the dam to a height of 196 feet and the storage capacity to <br />about 70.000 acxe-feel The embankment volume (including ttte enlargement) will be <br />about 14.400,000 cubic yards <br />Colorado City Reservoir, Pueblo County, Colorado, for Colorado City <br />Metropolitan Water District Colorado City Metropolitan Water District owns and <br />operates Beckwith Reservoir for municipal water supply. R1H performed a conceptual <br />level engineering study and cost estimate fa a new dam and reservoir adjacent to the <br />Beckwith Reservoir. The proposed embankment would be an earthen embankment 83 <br />feet hic~t with a 25-foot-wide spilhray excavated in the sardstorte on the left abutment. <br />and a 36-inch-diameter sleet outlet works conduit for both reservoir evacuation and <br />water supply to the existing municipal water system. RJH prepared a preliminary <br />quartity and rx~ e~imate to assist the District with long-teerm pi~tning and budgeting <br />for proceeding with construction of the reservoir. R1H also prepared an exploration <br />program for the embankment to refine the conceptual-level analyses and further project <br />developmerrt. <br />Jerry Creek Reservoirs, Grand Junction, Colorado, Ube Water Conservancy <br />District. R1H Cortsuitartts, Inc. was retained by Ute Water Conservancy District <br />(District) to perform final design services for renovations necessary to .Jerry Creek <br />Reservoirs No. 7 and No. 2, located about 32 miles northeast of Grand Junction, <br />Colorado. Jerry Creek Reservoir No. 2 is the largest reservoir; a Class 1, 135-foot-high, <br />earth embankment dam with a trurent impoundment of 6.300 acre-feet (ac-R). ferry <br />Cr+eelc Reservour No.1 is a 57-foot-high earth embankment dam impo~utding 1,100 ac- <br />ft. The renovations will provide 1,200 ac-R of additional water storage at Jerry Creek <br />Reservoir No. 2. The proposed final design requires passing the inflow design flood <br />(IDF) from ferry Creek Reservoir No. 2 (upper basin reservoir) through ferry Creek No. <br />1 (Its basin reservoir) and into Plateau Creek via a drainage channel called <br />Interdiction Ditch, which collects sediment-laden flow from local site drainage that is <br />undesirable for raw water wppiy. <br />2 <br />