FP25-006 Staff Decision - Laserfiche WebLink

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The establishment of a Base Flood Elevation (BFE) at 296.0 feet 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 engineer certificate will be made a condition of approval. 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; Requiring these certifications for the dwelling can be made a condition of any approval. This criterion is met. 2. Manufactured dwellings shall have the bottom of the longitudinal chassis frame beam, including basement, elevated on a permanent foundation to two feet above base flood elevation. Where the base flood elevation is not available, the finished floor, including basement, shall be elevated on a permanent foundation to two feet above highest adjacent natural grade (within five feet) of the building site; If the proposed dwelling is a manufactured home, this standard will apply. This shall be made a condition of approval. 3. Manufactured dwellings shall be anchored in accordance with subsection (D) of this section; and all electrical crossover connections shall be a minimum of one foot above the base flood elevation; If the proposed dwelling is a manufactured home, this standard will apply. This shall be made a condition of approval. 4. No new residential structures, including manufactured dwellings, shall be placed in a floodway. An exception to this prohibition may be granted if a floodplain development permit and variance consistent with MCC 17.178.080 are obtained; No development is proposed within the regulatory floodway, this criterion is met.