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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 />TABLE IV-2 <br /> <br />ALTERNATIVES INVESTIGATED - LITTLE DRY CREEK <br /> <br />Reach Location Alternatives Exam ined Frequency <br />I Confluence with Clear Creek a. Existing condition <br /> to Federal Boulevard b, Concrete-lined channel 2 thru 100-yr. <br /> c. Continuous grass- <br /> lined channel 2 thru 100-yr. <br /> d. Selected structural 2 thru 100-yr. <br /> improvements <br /> e. Selected structural 2 thru 100-yr. <br /> improvements <br /> f. Non-structural 100-yr. <br /> g. Detention Facili ties 100-yr. <br />2A Federal Boulevard to a. Existing condition <br /> 69th Avenue b. Grass-lined channel 2 thru 100-yr. <br /> c. Concrete-lined channel 2 thru 100-yr. <br /> d. Improve culvert at 2 thru 100-yr. <br /> Federal Boulevard <br /> e. Land acquisition 2 thru I OO-yr. <br /> f. Non-structural 100-yr. <br /> g. Detention facilities 100-yr. <br />2B 69th Avenue to 72nd Avenue a. Existing condition <br /> b. Grass-lined channel 2 thru 100-yr. <br /> c. Concrete-lined channel 2 thru I OO-yr. <br /> d. Selected structural 2 thru 100-yr. <br /> improvements <br /> e. Land acquisition 2 thru I OO-yr. <br /> f. Non-structural 100-yr. <br /> g. Detention facilities 100-yr. <br />3 72nd Avenue to Sheridan Boulevard a. Existing condition <br /> b. Grass-lined channel 2 thru 100-yr. <br /> c. Concrete-lined channel 2 thru 100-yr. <br /> d. Selected structural 2 thru 100-yr. <br /> improvements <br /> e. Non-structural 100-yr. <br /> f. Detention facilities 100-yr. <br />4 Sheridan Boulevard to a. Existing condi tion <br /> Wadsworth Boulevard b. Selected structural 2 thru 100-yr. <br /> improvements <br /> c. Non-structural 100-yr. <br /> d. Detention facili ties 100-yr. <br />5 Wadsworth Boulevard to above a. Existing condition <br /> Alkire Road b. Selected structural 2 thru 100-yr. <br /> improvements <br /> c. Non-structural 100-yr. <br />NOTE: All alternatives include Floodplain Regulation and Flood Insurance. <br /> IIl- 3 <br /> <br />Remarks <br /> <br />Floodplain zoning without modifications to existing channel or culverts <br />Relocate channel for entire reach to west side of railroad tracks <br /> <br />Channel improvements for entire reach and culvert redesign at all crossings <br />Channel improvements for lower 2750 feet with grass-lined (concrete-lined) <br />channel. Improve culvert beneath C & S Railroad at Federal Boulevard. <br />Channel improvements for lower 2750 feet with grass-lined (concrete-lined) <br />channel. Improve culvert beneath C & S Railroad at Federal Boulevard. <br />Flood warning; Flood proofing. <br />Upgrade Pomona Lakes 2 & 3, & Lake Arbor; Construct new facility at Sheridan <br /> <br />Floodplain zoning without modifications to existing channel or culverts <br />Channel improvements for entire reach and culvert redesign at all crossings <br />Channel improvements for entire reach and culvert redesign at all crossings <br />Culvert under Federal Boulevard crossing redesigned to conduct flow and <br />prevent excessive backwater. <br />Acquire all land area within reach subject to flooding and relocate occupants <br />Flood warning; flood proofing. <br />Upgrade Pomona Lakes 2 & 3, & Lake Arbor; construct new facility at Sheridan. <br /> <br />Floodplain zoning without modifications to existing channel or culverts <br />Channel improvements for entire reach and culvert redesign at all crossings <br />Channel improvements for entire reach and culvert redesign at all crossings <br />Channel improvements and culvert redesign from Lowell Boulevard to <br />Osceola Street crossings <br />Acquire all land area within reach SUbject to flooding and relocate occupants <br />Flood warning; flood proofing. <br />Upgrade Pomona Lakes2&3, & Lake Arbor; construct new facility at Sheridan. <br /> <br />Floodplain zoning without modifications to existing channel or culverts <br />Channel improvements for entire reach and culvert redesign at all crossings <br />Channel improvements for entire reach and culvert redesign at all crossings <br />Channel improvements and culvert redesign from Winona to Del-Villa Apts. <br />all~Q , <br />Flood warning; flood proofing. <br />Upgrade Pomona Lakes 2 & 3, & Lake Arbor; construct new facility at Sheridan. <br /> <br />Floodplain zoning without modifications to existing channel or culverts <br />Channel improvements from Pierce to Webster and culvert redesign at all <br />crossings except Vance Street <br />Flood warning; flood proofing. <br />Upgrade Pomona Lakes 2 & 3, & Lake Arbor; construct new facility at Sheridan. <br /> <br />Floodplain zoning without modifications to existing channel or culverts <br />Culvert redesign on Kipling and 80th Avenue crossings <br /> <br />Flood warning; flood proofing. <br />