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<br />n018tiQ <br /> <br />the Eagle and Piney Rivers and Stages II and III would allow continued integration of the <br />Department's 1971 rights, Ultimately, Stage IV would enable the collection of all remaining water <br />available to the Board's appropria,ions, The staging would improve the potential for realizing <br />economies by recognizing the cost, water delivery and legal implications, and by scheduling the <br />construction accordingly. For example, the development of competing water appropriations would <br />have a more significant impact on certain streams than on others. By carefully scheduling the <br />activities on the various streams, the Department's possibilities of expending capital to develop <br />the less productive streams would be minimized, It should be emphasized that the plan should <br />be modified as new information concerning competing water rights, power and construction costs, <br />and legal and environmental constraints becomes available, <br /> <br />Proposed Stage I. Stage I of the recommended plan, as shown on Plate 8, would <br />incorporate the Board's 1956 appropriations on the following streams: Gore Creek, Bighorn <br />Creek, Pitkin Creek, Booth Creek, Middle Creek, Red Sandstone Creek, Piney River, East Meadow <br />Creek, Meadow Creek and Black Gore Creek, <br /> <br />Stage I would include the Vail Pass Tunnel from the east portal to Gore Creek, the Gore Creek <br />to Bighorn Creek Tunnel, the Bighorn Creek to Pitkin Creek Tunnel, the Pitkin Creek to Booth Creek <br />Tunnel, the Booth Creek to Middle Creek Tunnel, the Middle Creek to Red Sandstone Creek Tunnel, <br />the Red Sandstone Creek to Piney Reservoir Tunnel, the Piney Reservoir to East Meadow Creek <br />Tunnel, the East Meadow Creek to Meadow Creek Tunnel and the Black Gore Creek Tunnel. All <br />tunnels would be 8 ft-l0 in. inside diameter except the Vail Pass Tunnel from its east portal to <br />Gore Creek, which would be 10ft - 0 in, inside diameter. <br /> <br />Piney Reservoir, with a total storage capacity of 40,000 ac-It, would be constructed during <br />this stage, All stream diversion structures on the above streams, the appurtenances submerged <br />in the reservoir, lhe Vail Pass outlet structure and the Ten Mile Creek stream improvements would <br />likewise be completed, <br /> <br />The tunnel segment from the east portal of the Vail Pass Tunnel to a point 5,000 feet west <br />is common to all configurations, This common element will help provide flexibility in the continued <br />planning and also will assist in the determination of possible substaging of the Stage I program, <br />For example, the implementation could begin at any time with the designed construction of this <br />segment <br /> <br />The average annual water delivery from Gore Creek, Black Gore Creek, Bighorn Creek, Booth <br />Creek, Pitkin Creek, Middle Creek and Red Sandstone Creek. parts of Stage I. is about 42,000 <br />ac-It per year. <br /> <br />The average annual production from the Piney River is about 11,000 ac-ft Piney Reservoir <br />would improve the average annual delivery to Dillon Reservoir by about 1,400 ac-ft. The average <br />annual water delivery from the Meadow and East Meadow Creek sources is 4,000 ac-ft. It is an <br />advantage to plan the construction of the East Meadow and Meadow Creek Tunnels in this stage, <br />since those tunnels would be built from a site in the Piney Reservoir. Delay of this construction <br />to another stage would result in the need later to lower the water level in Piney Reservoir for <br />construction. <br /> <br />During the planning of Stage I, it is recommended that the cost and delivery implications <br />of collecting the remaining appropriations of the Eagle-Piney portion by gravity and by pumping <br />be evaluated, using the latest construction cost and water availability data, As construction of <br />Stage I nears completion, information regarding the development of competing water <br />appropriations may be more precise and permit a clearer understanding of the potential effects, <br /> <br />13 <br />