decks, fences, signs, towers, cranes, flagpoles, antennas, smokestacks, earth formations, and overhead transmission lines. Structures do not include paved areas. AH.Transitional Surface. Those surfaces that extend upward and outward at 90 degree angles to the runway centerline and the runway centerline extended at a slope of seven feet horizontally for each foot vertically from the sides of the primary and approach surfaces to the point of intersection with the horizontal and conical surfaces. Transitional surfaces for those portions of the precision approach surfaces which project through and beyond the limits of the conical surface, extend a distance of 5,000 feet measured horizontally from the edge of the approach surface and at a 90-degree angle to the extended runway centerline. AI.Utility Runway. A runway that is constructed for and intended to be used by propeller driven aircraft of 12,500 maximum gross weight and less. AJ.Visual Runway. A runway intended solely for the operation of aircraft using visual approach procedures, where no straight-in instrument approach procedures or instrument designations have been approved or planned, or are indicated on an FAA-approved airport layout plan or any other FAA planning document. AK.Water Impoundment. Includes wastewater treatment settling ponds, surface mining ponds, detention and retention ponds, artificial lakes and ponds, and similar water features. A new water impoundment includes an expansion of an existing water impoundment except where such expansion was previously authorized by land use action approved prior to the effective date of this ordinance.
HISTORY Adopted by Ord. PL-15 on 11/1/1979 Repealed & Reenacted by Ord. 91-020 §1 on 5/29/1991
Amended by Ord. 2001-001 §2 on 1/22/2001 Amended by Ord. 2018-006 §10 on 11/20/2018 Amended by Ord. 2020-001 §10 on 4/21/2020 Amended by Ord. 2023-027 §2 on 1/12/2024 Amended by Ord. 2025-002 §19 on 3/28/2025 18.80.024 Imaginary Surface And Noise Impact Boundaries
For the Redmond, Bend, Sunriver, and Sisters airports, the airport elevation, the airport noise impact boundary, and the location and dimensions of the runway, primary surface, runway protection zone, approach surface, horizontal surface, conical surface and transitional surface shall be delineated for each airport subject to this overlay zone and shall be made part of the official Zoning Map. All lands, waters and airspace, or portions thereof, that are located within these boundaries (including direct and secondary impact boundaries) or surfaces shall be subject to the requirements of this overlay zone. For the Cline Falls and Juniper airports, The airport elevation, the airport noise impact boundary, and the location and dimensions of the runway, primary surface and approach surface shall be delineated for each private use airport subject to this overlay zone and shall be made part of the official Zoning Map. All lands, waters and airspace, or portions thereof, that are located within these surfaces shall be subject to the requirements of this overlay zone. [ORS 836.608(2), (8); OAR 660-013-0050; OAR 660- 013-0070(1)(b); OAR 660-013-0155(2)] [ORS 836.619; OAR 660-013-0040(8); OAR 660-013-0070(1)] HISTORY Adopted by Ord. PL-15 on 11/1/1979 Repealed & Reenacted by Ord. 91-020 §1 on 5/29/1991 Amended by Ord. 2001-001 §2 on 1/22/2001 18.80.026 Notice Of Land Use And Permit Applications
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