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• <br /> " toward R. Green Company <br /> CONSULTING ENGINEERS <br /> May 6, 1999 <br /> File: 808170J-0240 <br /> Mr, Jim March, Administrator <br /> City of Centerville <br /> 1880 Main Street <br /> Centerville, MN 55038 <br /> RE: REVISED FLOODWAY WIDTH ALONG CLEARWATER CREEK <br /> WEST OF 20' AVENUE, CENTERVILLE, MINNESOTA <br /> Dear Mr. March: <br /> We understand that the Centerville City Council wilt be discussing the floodway revision to <br /> Clearwater Creek west of 20 Avenue at a future City Council meeting. This letter presents a <br /> summary of the proposed revisions, a description of the Flood Insurance Rate Map (FIRM) <br /> revision process, and the estimated fees necessary to complete this work, <br /> As authorized at the City Council meeting on January 13, 1999, we have completed a <br /> preliminary floodway revision to the Clearwater Creek floodpiain model. An exhibit Illustrating <br /> the potential revised floodway on Clearwater Creek west of 20 Avenue is attached for <br /> reference. The proposed floodway 1s shifted significantly to the north of the present Poodway <br /> location, and Is almost entirely north of the property formally known as the Lake Areas Utilities <br /> Property. The proposed floodway also avoids the building on the Stevens property. The new <br /> corridor would be approximately 100 feet wide, and our modeling efforts show that there will <br /> only be a minor increase in the water surface elevation upstream within the floodway. <br /> On Wednesday, May 5, 1999, we met with Mr, Paul Fetzer, City of Centerville Public Works <br /> Director, and the engineers for RCWD. After discussion, Mr. Fetzer recommended that we <br /> summarize the estimated costs associated with coordinating and processing a Letter of Map <br /> Revision (LOMR) with FEMA. <br /> The procedure for the LOMR submittal is described In the National Flood Insurance Program <br /> regulations and rules, last revised on May 1, 1998, In Part 65.7, identification and Mapping of <br /> Special Hazard Areas: Roodway Revisions. The following tasks are anticipated In order to <br /> obtain approval of the change from FEMA: <br /> O-SPROJJB08170J\ 1704606.may, deo <br /> 1325 Energy Perk Drive • Sr, Paul, MN 55108. d51/844.4iRq My A 1lone CA A@ 4 .n w _ <br /> SO/ O'd 6172Z Pb9 ti59 '00 N3380 8H 65:60 �666t- LZ -A8W <br />