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<br />CHAPTER I <br /> <br />INTRODUCTION <br /> <br />inlets which also take releases from six other reservoirs. This <br />section has a maximum capacity of 28.3 cubic feet per second. The <br />pipe ranges from a minimum of l8-inch inside diameter to a 36-inch <br />maximum. <br /> <br />upper Kolina Penstock and Powerplant <br /> <br />The Upper Molina penstock extends from the junction of the Bonham <br />and Cottonwood pipelines, then continues approximately 2.4 miles <br />down the north slope of Grand Mesa, and terminates at the Upper <br />Molina Powerplant. The penstock consists of welded steel pipe with <br />a capacity of SO cubic feet per second, ranging in diameter from 36 <br />inches at the junction with the Bonham-Cottonwood collection system <br />to 33 inches at the lower section. <br /> <br />Bonham Reservoir acts as a forebay for the Upper Molina Powerplant, <br />which controls releases up to a maximum capacity of'SO cubic feet <br />per second from the reservoir. The Upper Molina Powerplant <br />consists of a single 8, 640-kilowatt generating unit constructed on <br />the east bank of Cottonwood Creek, operating at a design head of <br />2,490 feet with power tailwater discharges up to SO cubic. feet per <br />second into the Molina Equalizing Reservoir. <br /> <br />Lower Kolina Penstock and powerplant <br /> <br />The Lower Molina penstock extends 4.7 miles from the Molina <br />Equalizing Reservoir to the Lower Molina Powerplant.. The penstock <br />consists of steel pipe ranging in diameter from 36 inches at its <br />upper end to 30 inches at the lower section. It has a maximum <br />capacity of SO cubic feet per second. <br /> <br />The single-unit Lower Molina Powerplant is located on the south <br /> <br />10 <br />