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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 />line connecting the PRY and the proposed 1 MG tank south of town should be upgraded <br />to a 12 inch. This will require replacing approximately 1550 feet of 4 inch pipe, 450 feet <br />of 6 inch pipe, and 300 feet of 8 inch pipe. There is currently about 550 feet of 12 inch <br />pipe in Fourth Avenue between Railroad Avenue and High Street that will be utilized. <br />The existing 12 inch line in 2nd Avenue (by the High School) will need to be extended <br />about 1200 feet to the proposed new tank). <br /> <br />8.4 Water Transmission Line <br /> <br />Conduct a special study of the 12-inch transmission line. The objective is to increase the <br />reliability of the pipeline. The study should include a corrosion analysis, transient analysis <br />and field verification of the line's overalI condition. <br /> <br />8.5 Conceptual Costs of Improvements <br /> <br />Costs of the major improvement packages have been developed. These costs are called <br />order-oj-magnitude estimates and are conceptual because they are generated from cost data on <br />similar projects, without benefit of fIxed scope or preliminary design. Conceptual cost estimates <br />generalIy have an expected accuracy of +50% to -30%. Refer to Table 12. <br /> <br />48 <br />