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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 />would also have to be enlarged to 36". <br /> <br />3. Sixty feet downstream is a steel Parshall flume with a 24" throat and 18" <br />sidewall depth. This, too, will require replacement with a 36" flume, 3D" <br />deep, and appropriate modifications to the recording facility. <br /> <br />4. The earthen ditch continues downstream another 160 feet to where a 30" CMP <br />culvert crossing Land's End Road is located. Some ditch improvements <br />(earthwork and rip-rap bank stabilization) will be required to assure a <br />uniform cross section of adequate capacity and stability. <br /> <br />5. With provi s ions made for the appropri ate headwater depth upstream of the <br />3D" culvert, it need not be replaced. <br /> <br />6. With its entrance structure located at the culvert outlet, a new 24" <br />transmission line would be installed in place of the existing City <br />pipeline. This would involve removal of the existing pipe and concrete <br />ditch lining for a distance of approximately 2000 feet. At that point it <br />would depart from the existing alignment heading southeast across the <br />ridge, down to the valley floor, and back up again to enter Juniata <br />Reservoir at the north end of the dam. Figure 3-2 shows the profile for <br />Alternate A. It is recommended that the pipe be 24" steel with o-ring <br />joints, cement mortar lined and wrapped with Polyken tape. <br /> <br />Alternative B. This alternative would relocate the North Fork water diversion <br />approximately three miles upstream of the City Pipeline diversion structure and <br />1300 feet in elevation above Juniata Reservoir, in the vicinity of the <br />abandoned Civilian Conservation Corp Camp. The key to this alternative is <br /> <br />3-4 <br />