FP26-002 Staff Decision - Laserfiche WebLink

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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 applicants engineer, West Consultants Inc, submitted hydrology analysis for the Battle Creek watershed around the project area. This analysis provides that the proposed project will not produce a rise in base flood elevation or increase in inundation area. This certification also confirms that the project will not increase the floodplain area on other properties and will not result in an increase of erosive velocity of the stream that may cause the channel scouring. This criterion is satisfied. 9. MCC chapter 17.178.060 D, E, F & H pertains to this project and compliance will be made a condition of approval. D. Anchoring. 1. All new construction and substantial improvements shall be anchored to prevent flotation, collapse or lateral movement of the structure resulting from hydrodynamic and hydrostatic loads, including the effects of buoyancy. E. Construction Materials and Methods. 1. All new construction and substantial improvements shall be constructed with materials and utility equipment resistant to flood damage, and the design and methods of construction are in accord with accepted standards of practice based on an engineer’s or architect’s review of the plans and specifications. 2. All new construction and substantial improvements shall be constructed using methods and practices that minimize flood damages. F. Utilities. 1. All new and replacement water supply systems shall be designed to minimize or eliminate infiltration of floodwaters into the system as approved by the State Health Division. 2. New and replacement sanitary sewage systems shall be designed to minimize or eliminate infiltration of floodwaters in the systems and discharge from the systems into floodwaters. 3. On-site waste disposal systems shall be designed and located to avoid impairment to them or contamination from them during flooding consistent with the requirements of the Oregon State Department of Environmental Quality. 4. Electrical, heating, ventilation, plumbing, duct systems, air-conditioning and other equipment and service facilities shall be elevated to one foot above the level of the base flood elevation. Where the base flood elevation is not available, the electrical, heating, ventilation, plumbing and air-conditioning equipment shall be elevated to one foot above the highest adjacent natural grade (within five feet) of the building site. If replaced as part of a substantial improvement the utility equipment and service facilities shall meet all the requirements of this subsection. H. Storage of Materials and Equipment. Materials that are buoyant, flammable, obnoxious, toxic or otherwise injurious to persons or property, if transported by floodwaters, are prohibited. Storage of materials and equipment not having these characteristics is permissible only if the materials and equipment have low damage potential and are anchored or are readily removable from the area within the time available after forecasting and warning. 10. Based on the above findings, it has been determined that the proposal complies with the criteria in the Marion County Code and is, therefore, APPROVED, subject to conditions. Brandon Reich, Date: June 10th, 2026 Planning Director/Zoning Administrator If you have any questions regarding this decision contact Gillian Peden at (503) 588-5038 Notice to Mortgagee, Lienholder, Vendor or Seller: ORS Chapter 215 requires that if you receive this Notice, it must promptly be forwarded to the purchaser.