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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />IV. <br /> <br />OOOM3 <br /> <br />trashracks. Downstream of the headworks a 120 inch diameter <br />steel penstock will connect the headworks to the powerhouse <br />which will be located approximately 370 feet downstream. <br />The penstock will be supported on concrete spread footings. <br />Consideration will be given to burying the penstock as <br />protection against vandalism and freezing temperatures. <br />The downstream powerhouse will contain a double regulated <br />2250 mm horizontal propeller turbine. Water from the <br />powerhouse will be discharged into a tailrace and then be <br />returned to the irrigation canal downstream of the power- <br />house. <br /> <br />PROPO~ OPERATING ~ <br />As indicated previously, the current operation of the canal <br />extends over a seven month period from mid-March to mid- <br />October. The current irrigation water rights provide for <br />the diversion of up to 1300 cfs from the Gunnison River into <br />the Gunnison Tunnel and South Canal. The minimum protected <br />flow on the Gunnison River downstream of the diversion is <br />200 cfs. A review of the hydrologic record on the Gunnison <br />River indicates that under the water rights regulations <br />described above, there is a significant amount of water <br /> <br /> <br />available for power generation during the five non- <br /> <br /> <br />irrigation months. Plates A-2 through A-13 present monthly <br /> <br />A- ~ <br />