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7. The purpose of the Floodplain Overlay Zone is to promote public health, safety and general welfare to minimize public and private losses due to flood conditions. The criteria and standards which must be satisfied are listed in Section 17.178.060 of the Marion County Code (MCC). 8. Flood Insurance Rate Map #41047C0679 indicates that the floodplain elevation is approximately 295.7 feet above mean sea level (MSL). 9. MCC 17.178.050 (B-E) requires prior to any development in the floodplain: B. When base flood elevation data and floodway data have not been provided in accordance with MCC 17.178.030, the applicant, with the assistance of the floodplain administrator, shall obtain and reasonably utilize any base flood elevation data or evidence available from a federal, state or other source in order to determine compliance with the flood protection standards. If data are insufficient, the floodplain administrator may require that the applicant provide data derived by standard engineering methods. The establishment of a Base Flood Elevation (BFE) at 295.7 has been met. C. Prior to obtaining a building permit the owner shall be required to sign and record in the deed records for the county a declaratory statement binding the landowner, and the landowner’s successors in interest, acknowledging that the property and the approved development are located in a floodplain. The recording of the declaratory statement can be made a condition of any approval. The criterion is met. D. Prior to obtaining a building permit, commencing development or placing fill in the floodplain the applicant shall submit a certification from a registered civil engineer demonstrating that a development or fill will not result in an increase in floodplain area on other properties and will not result in an increase in erosive velocity of the stream that may cause channel scouring or reduce slope stability downstream of the development or fill. The provision of this certificate will be made a condition of approval that the applicants will need in order to construct the driveway. The criterion is met. E. The applicant shall provide an elevation certificate signed by a licensed surveyor or civil engineer certifying that the actual elevations (in relation to mean sea level) of the lowest floor (including basement) and all attendant utilities of all new or substantially improved residential structures including manufactured dwellings meet the requirements of MCC 17.178.060(A), (B) and (C), where applicable, as follows: 1. Prior to construction (based on construction drawings); and 2. Once the floor elevation can be determined (based on the building under construction); and 3. Prior to occupancy (based on finished construction). This can be made a condition of any approval. The criterion is met. 10. MCC 17.178.060 (A, D-E, F and H) contains additional standards for development in the floodplain: A. Residential Structures, Including Manufactured Dwellings and Related Structures. New residential construction, substantial improvement of any residential structures, location of a manufactured dwelling on a lot or in a manufactured dwelling park or park expansion shall: 1. Residential structures shall have the top of the lowest floor, including basement, elevated on a permanent foundation to two feet above base flood elevation and the bottom of the lowest floor constructed a minimum of one foot above the base flood elevation. Where the base flood elevation is not available, the top of the lowest floor including basement shall be elevated on a permanent foundation to two feet above the highest adjacent natural grade (within five feet) of the building site and the bottom of the lowest floor elevated to one foot above the highest adjacent natural grade (within five feet) of the building site;