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<br />I <br />II <br />II <br />II <br />II <br />II <br />II <br />II <br />II <br />II <br />I <br />I <br />I <br />I <br />I <br />I <br />II <br />II <br />II <br /> <br />SCOPE OF STIJDY <br /> <br />The study is ofm:onnai-nce-Ievel detail and is bisect on iDformalion from <br />existing sources. general site inspections, and sound jll~t based on standard <br />engineering practices and similar studies. This study was conducted in sufficient detail to <br />evaluate the potential for cost-shared fC3ibility-leve1 studies. <br /> <br />PRIOR STIJDIES <br /> <br />A Flood Insurance Study (FIS) was published in February 1991 by the Federal <br />Emergency Management Agency (FEMA) under the authority of tile Natioaa1 Flood <br />Insurance Act (NFIA) of 1968 and the F100d Disaster Protection Act of 1973. The flood <br />insurance study covers the incorporated area of the city of Pipestone in Pipestone County, <br />Minnesota. Flooding caused by overflow of the Main Ditch was studied in detail. Flood <br />insurance zone designations were assigned to the commllllity for flood insurance rating <br />purposes. Pipestone currently participates in the regular program under the NFIA. <br /> <br />A flood study was performed by Sioux Engineering in 1985 for the Judicial Ditch <br />Number 1 (Main Ditch) through the city of Pipestone. The study included a hydrologic <br />analysis and prelimiIwy a1temati~ designs for correction of flood problems between <br />U.S. Highway 75 and the Main Ditch outlet. The study recommended possible flood <br />control alternatives which included channel improvements, levee constructioo. utility <br />relocations. silt removal, and a detention facility. <br /> <br />5 <br />