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<br />Table 7 <br />Alternative Screening Matrix <br />Upper Lena Gulch <br /> <br />xx = Potentially feasible alternative <br />blank = not feasible or not applicable <br /> <br />Legend: <br /> <br />Limited <br />Struct <br />Imprvmts <br /> <br />Erosion <br />Control <br /> <br />Flood- <br />Plain <br />Mamt <br /> <br />Flood <br />Waming <br />Svstem <br /> <br />Relocate <br />Channel <br /> <br />Acquire <br />Propel <br /> <br />Construct <br />New <br />Detention <br />Storaae <br /> <br />Enlarge <br />Existing <br />Detention <br />Storage <br /> <br />Improve <br />Street <br />Crossings <br /> <br />Construct <br />New <br />Storm <br />Sewer <br /> <br />Enlarge <br />Existing <br />Storm <br />Sewer <br /> <br />Enlarged <br />Lined <br />Channel <br /> <br />Enlarged <br />Natural <br />Channel <br /> <br />Maintain <br />Existing <br />Condition <br /> <br />tion <br /> <br />Descri <br /> <br />Reach <br /> <br />Main Channel <br /> <br />Confluence wI Apex <br />Gulch to end of <br />Study Area <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />Outlet of Zeta St <br />culvert to Confine <br />wI Apex Gulch <br /> <br />L-12 <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />Outlet gas station <br />drive to outlet <br />of Zeta St culvert <br /> <br />l-11 <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />- <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />End of concrete <br />channel to outlet <br />of culvert under <br />gas station drive <br /> <br />L-10 <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />Outlet of 6th Ave <br />culvert to upstream <br />end of concrete <br />channel <br /> <br />L-9 <br /> <br />xx <br /> <br />xx <br /> <br />DIS end of Trailer <br />Park to outlet of <br />6th Ave culvert <br /> <br />L-8 <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />Upstream of Orion <br />St to DIS end of <br />Trailer Park <br /> <br />L-7 <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />South Golden Rd <br />inlet of Orion St <br />culvert <br /> <br />L-6 <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />L-13 <br /> <br />.. <br /> <br />xx <br /> <br />xx <br /> <br />26 <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />xx <br /> <br />Confluence with <br />Pleasant View Trib <br />to South Golden Rd <br /> <br />L-5 <br /> <br />