following criteria: <br />(a) The applicant has provided evidence that the piping or filling was specifically <br />authorized by an approval that was final at the local level prior to May 24, 2000; <br />(b) The proposed plan meets the following mitigation requirements: <br />(1) The applicant's mitigation plan includes a description of existing <br />waterway hydrological, ecological, and water quality treatment functions within the <br />azea to be impacted, demonstrates how impacts to those functions are minimised, and <br />demonstrates that the proposal will not result in a net loss of these functions due to <br />the proposed activity; <br />(2) The mitigation plan includes a map showing the location and azea of <br />proposed mitigation, along with supporting cross-section, elevations, and diagrams <br />of the finished grade and proposed plantings (species, number, location), and a plan <br />for monitoring and ensuring the success of the mitigation plan that includes suitable <br />financial guarantee to pay for unanticipated construction impacts and to assure <br />mitigation is completed, and documents that guazantee long-term protection of <br />mitigation sites (i.e., recorded easements and restrictive covenants). <br />(3) Analysis and supporting documentation shall be provided by an <br />Oregon-certified professional engineer (for providing analysis and documentation <br />`,, _ concerning drainage and flood control), and/or an environmental. professional (for <br />providing analysis and documentation about riparian and wetland azeas, wildlife <br />habitat, filtering and settling pollutants, or preventing erosion). Environmental <br />professionals shall demonstrate experience with natural stream systems and habitat <br />restoration. <br />(4) If it is not possible to mitigate for negative impacts to the waterway <br />on the same site, an applicant may propose to mitigate on a nearby site within the <br />same waterway corridor as the impacts, or may make a payment to the mitigation <br />fund at the rates and in the manner described in R-6.650-J. <br />3. Decision. The City Manager shall review the application and issue a decision thereon <br />in the manner provided in R-6.650-I. <br />R 6.650-F Open Waterways -Uses or Activities in an Open Waterway (EC 6.660(2. <br />1. .Application. The owner of the property or permittee requesting approval of an <br />exemption under EC Section 6.660(2) shall submit an application to the City Manager on a form <br />prescribed by the City Manager for approval of the exemption. The application shall identify the <br />;_ <br />Administrative Order - 4 c:~a~a~ui~~ooW..~a~o6iosioo> <br />