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adjusted to meet increased stormwater runoff flows and velocities between November 1 and April <br />30 of the following calendar year. <br />4. No permit or other approval issued pursuant to these rules shall be deemed to <br />authorize any violation of the above prohibitions. <br />R-6.645-E Designation of Sensitive Areas. <br />1. Criteria for Sensitive Area Designation. For the purposes of administering these <br />Rules, any construction site that meets one or more of the following criteria shall be considered a <br />sensitive area for which an erosion prevention permit will be required: <br />1.1 The slope of the parcel in the area of disturbance is greater than 10%; <br />1.2 The site contains highly erodible soils; or <br />1.3 The parcel or tax lot of record has the potential to directly drain into a_ water <br />feature or its designated buffer area. <br />2. Determination of Sensitive Area. To assist with the administration of these <br />provisions, the City has prepared a map indicating sites that appear to meet the above criteria. The <br />Public Work ~ Director, or designee, shall use this map to make a preliminary determination of a <br />site's sensitive area status. The map is on file at the City's Public Works Engineering Department <br />(858 Pearl Street) and Permit & Information Center (99 West i0th Avenue). <br />An applicant may challenge the Director's preliminary determination that a site is a sensitive <br />area through submission of actual field or site information that demonstrates to the City's satisfaction. <br />that the site's existing physical features, such as a continuous vegetative perimeter buffer which <br />prevents discharge of sediments, mitigate potential stormwater quality impacts, and the Director <br />shall thereafter make a final determination of whether the site is a sensitive area. <br />If an applicant chooses not to contest the designation or is unable to satisfy the above criteria, <br />the site shall be considered a sensitive area and an erosion prevention permit shall be required. <br />3. Anneal of designation. An applicant who disagrees with the Director's final <br />determination may appeal that decision within the time and manner prescribed in section R-6.645- <br />F.11 of these Rules. <br />R-6.645-F Erosion Prevention Permits. <br />1. Permit Required. Except as otherwise provided in these ,rules or provisions of the <br />Erosion Prevention Administrative Rule R-6.645 - 14 <br />