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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 have to be replaced. The cost estimate includes <br />some shaping, regrading, and ditch protection at culverts. <br />A channel outlet can be constructed from the ditch to the <br />Rio Grande River near where the ditch crosses the Westside <br />ditch. <br /> <br />System Improvements <br /> <br />Five bridge and culvert improvements. Assumes <br />existing capacity of Hickory-Jackson ditch can <br />carry irrigation and storm flow concurrently. <br /> <br />Ditch lining. Culvert and bridge sizes will de- <br />pend upon frequency selected for design and de- <br />creed water rights in the Hickory-Jackson ditch. <br />Improvements include some regrading to the exist- <br />ing ditch. <br /> <br />Alternative 2. This alternative uses a pipeline in 13th <br />Street from near the intersection of U.S. 285 and Coop <br />Road. Five-thousand feet of 54-inch pipe would be re- <br />quired. The outfall would be the Hickory-Jackson ditch <br />near Airport Road to the Rio Grande River as in Alterna- <br />tive 1. <br /> <br />System Improvements <br /> <br />From <br /> <br />To <br /> <br />Pipe <br />Size <br />(inches) <br /> <br />54 <br /> <br />Pipe <br />Length <br />(feet) <br /> <br />5,600 <br /> <br />From intersection <br />of U.S. 285 and <br />Railroad Avenue, <br />13th Street ex- <br />tended <br /> <br />Hickory-Jackson <br />ditch near 14th <br />Street and <br />Airport Road <br /> <br />Both alternatives have laterals into Basin V to relieve flooding <br />in the southern portion of Basin V. <br /> <br />-40- <br />