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<br />. <br /> <br /> <br />COLORADO STATEWIDE <br />DRAINAGE AND FLOODPLAIN MANAGEMENT CRITERIA MANUAL <br /> <br />. <br /> <br />CHAPTER 4 <br />FLOODPLAIN <br />ADMINISTRATION <br />AND <br />DELINEATION <br />.ECTION 1.0 <br />LOODPLAIN <br />MANAGEMENT <br /> <br />professionals. The applicant is encouraged to review those findings with the <br />staff before proceeding with project planning or design. <br /> <br />1.8.2 <br /> <br />FLOODPLAIN DEVELOPMENT PERMIT APPLICATION <br /> <br />Before any construction and development activities can begin within a 100- <br />year flood hazard area, the applicant must obtain a Floodplain Development <br />Permit Application (Standard Form CH4-SF102) and the special conditions, <br />as determined in the initial floodplain determination by the Floodplain <br />Administrator. The permit application and the supporting documents should <br />be submitted for evaluation and approval. The local Floodplain Administrator <br />will evaluate the application to determine if the proposed project is consistent <br />and complies with the community's goals and floodplain development <br />guidelines. The permit will be approved or denied based on the compliance. <br />A building or grading permit will not be issued without a Floodplain <br />Development Permit. <br /> <br />1.9 <br /> <br />ELEVATION CERTIFICATION <br /> <br />Unless the proposed development site has been removed from <br />the 100-year flood hazard area through floodplain modifications <br />and the appropriate floodplain map revision process, Elevation <br />Certificates shall be issued for all new and substantially <br />improved structures. Readers are referred to Section 3, <br />Chapter 4 for detailed discussions on the FEMA map revision <br />process and to Section 1.20, Chapter 4 for definition of <br />substantially damaged and substantially improved structures. <br /> <br />An Elevation Certificate should be certified by a licensed <br />Professional Civil Engineer or Land Surveyor, confirming that <br />the "as-builr lowest floor elevation (including basement and/or <br />crawl space) is at or above the required elevations outlined <br />below. The current FEMA Elevation Certificate form should be <br />used to certify building elevations. This certificate may also be <br />required by an insurance agent for adjustment of flood <br />insurance rates. A copy of the FEMA Elevation Certificate form <br />can be obtained from the Floodplain Administrator or directly <br />from the FEMA website (www.fema.gov). <br /> <br />All new, substantially damaged, and substantially improved <br />buildings shall be constructed to meet or exceed the following <br />lowest floor (including basement and/or crawl space) elevation <br />requirements. Non-residential buildings may be flood-proofed <br />or elevated to the same elevation requirements. <br /> <br />Unless the <br />proposed <br />development <br />site has been <br />removed <br />from the 100- <br />year flood <br />hazard area <br />through <br />floodplain <br />modifications <br />and the <br />appropriate <br />floodplain <br />map revision <br />process, <br />Elevation <br />Certificates <br />shall be <br />issued for all <br />new and <br />substantially <br />improved <br />structures. <br /> <br />. Zone AE <br /> <br />The lowest floor shall be elevated at least one (1) foot <br />above the 100-year base flood elevation (BFE). <br /> <br />The lowest floor shall be elevated above the highest <br />adjacent natural grade by at least one (1) foot plus the 100- <br />year flood depth specified. <br /> <br />. Zone AO <br /> <br />AUGUST 2002 <br /> <br />FLOODPLAIN <br />MANAGEMENT <br /> <br />CH4-108 <br />