Ordinance No. 20224 - Laserfiche WebLink

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effect on the safe and efficient use of navigable airspace. Obstruction. Any structure, growth, or other object, including a mobile object, which exceeds a limiting height as set forth in this overlay zone. Primary Surface. A surface longitudinally centered on a runway. The primary surface extends 200 feet beyond each end of the runway. The width of the primary surface is set forth in the airport sector descriptions in this overlay zone. The elevation of any point on a primary surface is the same as the elevation of the nearest point on the runway centerline. Runway. A defined area in the Eugene Airport Master Plan that is prepared for aircraft landing and take -off along its length. Structure. An object, including a mobile object, constructed or installed by a human being(s), including but not limited to buildings, towers, cranes, smokestacks, earth formations, and overhead transmission lines. 9.4130 Use Limitations In the Commercial Airport Safety overlay zone, the following limitations and standards apply to all uses permitted outright or conditionally in the base zone to which the overlay is applied: (1) Operational Interference. No use shall: (a) Create electrical interference with the navigational signals or radio communication between the airport and aircraft; (b) Make it difficult for pilots to distinguish between airport lights and others; (c) Result in glare in the eyes of pilots using the airport; (d) Impair visibility in the vicinity of the airport; (e) Create bird strike hazards, or (f) In any way otherwise endanger or interfere with the landing, take -off, or maneuvering of aircraft intending to use the airport. (2) Marking and Lighting. The owner of any existing structure, object, or . vegetation that does not conform to the height limits of this overlay zone shall be required to permit the installation, operation, and maintenance thereon of markers and lights as deemed necessary by the city to indicate to aircraft operators in the vicinity of the airport the presence of those aircraft instructions. The markers and lights shall be installed, operated and maintained at the city's expense. (3) Height. The maximum height of structures and objects shall normally be the same as the zones to which the commercial airport safety overlay zone is added. However, no structure shall be erected, altered, or maintained, and no vegetation shall be allowed to penetrate the surface heights of the various sectors as described below and shown on the Airspace plan. These sectors include all land lying beneath the approach surfaces, transitional surfaces, horizontal surfaces, and conical surfaces as they apply to the Eugene Airport. An area located in more than one sector is considered to be only in the sector with the most restrictive height limit. For purposes of this overlay zone, to determine height limits, the datum is mean sea level elevation unless otherwise specified. Ordinance - 154