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<br />; <br /> <br />" <br /> <br />CHANGES ARE MADE IN DETERMINATIONS OF BASE FLOOD ELEVATIONS FOR THE CITY <br />OF LAF A YETIE AND THE UNINCORPORATED AREAS OF BOULDER COUNTY, COLORADO, <br />UNDER THE NATIONAL FLOOD INSURANCE PROGRAM <br /> <br />On June 2, 1995, the Department of Homeland Security's Federal Emergency Management Agency <br />identified Special Flood Hazard Areas (SFHAs) in the City of Lafayette and in the unincorporated areas <br />of Boulder County, Colorado, through issuance of a Flood Insurance Rate Map (FIRM). The Mitigation <br />Division has determined that modification of the elevations of the flood having a I-percent chance of <br />being equaled or exceeded in any given year (base flood) for certain locations in these communities is <br />appropriate. The modified Base Flood Elevations (BFEs) revise the FIRM for the communities. <br /> <br />The changes are being made pursuant to Section 206 of the Flood Disaster Protection Act of 1973 (Public <br />Law 93-234) and are in accordance with the National Flood Insurance Act of 1968, as amended <br />(Title XIII of the Housing and Urban Development Act of 1968, Public Law 90-448), 42 U.S.C. <br />4001-4128, and 44 CFR Part 65. <br /> <br />A hydraulic analysis was performed to incorporate the effects of construction of the Northwest Parkway <br />and two Northwest Parkway access ramps and has resulted in increases and decreases in SFHA width and <br />increased and decreased BFEs for Rock Cre<ek. The table below indicates existing and modified BFEs for <br />selected locations along the affected lengths of the flooding source(s) cited above. <br /> <br />Location <br /> <br />Existing BFE <br />(feet)* <br /> <br />Modified BFE <br />(feet)* <br /> <br />Approximately 1,000 feel downstream of Dillon Road <br />Approximately 800 feet upstream of Dillon Road <br /> <br />5,209 <br />5,221 <br /> <br />5,207 <br />5,222 <br /> <br />*National Geodetic Vertical Datum, rounded to nearest whole foot <br /> <br />Under the above-mentioned Acts of 1968 and 1973, the Mitigation Division must develop criteria for <br />floodplain management. To participate in the National Flood Insurance Program (NFlP), the community <br />must use the modified BFEs to administer the floodplain management measures of the NFlP. These <br />modified BFEs will also be used to calculate the appropriate flood insurance premium rates for new <br />buildings and their contents and for the second layer of insurance on existing buildings and contents. <br /> <br />Upon the second publication of notice of these changes in this newspaper, any person has 90 days in <br />which he or she can request, through the Chief Executive Officer of the community, that the Mitigation <br />Division reconsider the determination. Any request for reconsideration must be based on knowledge of <br />changed conditions or new scientific or technical data. All interested parties are on notice that until the <br />90-day period elapses, the Mitigation Division's determination to modify the BFEs may itselfbe changed. <br /> <br />Any person having knowledge or wishing to comment on these changes should immediately notify: <br /> <br />The Honorable Chris Berry <br />Mayor, City of Lafayette <br />1290 South Public Road <br />Lafayette, CO 80026 <br /> <br />OR <br /> <br />The Honorable Paul Danish <br />Chairman, Bou]der County <br />Board of Commissioners <br />P.O. Box 47] <br />Boulder, CO 80306 <br />