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00 =~ ~ ~ CHAPTER V PLAN FORMULATION Lake Avery Enlargement The enlarged Lake Avery would have a capacity of 38,000 acre-feet, of which 8,000 would be dead and inactive storage. The dam would rise 173 feet above the streambed and have a crest length of 850 feet. At elevation 7,078 feet, the reservoir would have a surface area of 530 acres. The spillway capacity would be 4,850 second-feet, and the outlet works capacity would be 100 second-feet. North Fork Diversion Dam The North Fork Diversion Dam would be an uncontrolled overflow weir with a fore bay for pumping enclosed by a fish screen. The weir would be of reinforced concrete, 8.5 feet high, 50 feet wide, and designed to pass a flood flow of 3,200 second-feet. Milk Creek Diversion Dam The Milk Creek Diversion Dam would be an uncontrolled overflow weir of reinforced concrete, 9 feet high and 25 feet wide at the crest, with a design flood capacity of 880 second-feet. Included in the dive~sion structure would be a canal headworks with a capacity of 60 second-feet. The headworks structure, of reinforced concrete, would be controlled by a cast-iron slide gate. White River Feeder Conduit The White River Feeder Conduit would be a 4.2-mile buried pipeline, including the 3,024-foot Oak Ridge Tunnel at the end. The first portion to Lake Avery would have a diameter and capacity of 84 inches and 300 second-feet, respectively. Beyond the Lake Avery turnout, the diameter would be 66 inches and the capacity 160 second-feet. Yellow Jacket Conduit The Yellow Jacket Conduit would be an 8.6-mile pipeline of 130- second-foot initial capacity. Turnouts would be provided along its length for surface irrigation and one pressurized turnout for a coal industry water supply. Oak Ridge Canal The Oak Ridge Canal would be an earth-lined structure 5.6 miles long with an initial capacity of 30 second-feet. Curtis Creek Canal Curtis Creek Canal would be an earth-lined structure 616 miles long with an initial capacity of 60 second-feet. 38