BC 1996 05 21 - Laserfiche WebLink

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9O elevation as the primary surface and extending to a horizontal distance of 5,000 feet along the extended runway center line. (b) Runway Larger Than Utility With a Visibility Minimum Greater Than Three-Fourths Mile Nonprecision Instrument Approach Zone -Slopes upward 34 feet horizontally for each foot vertically beginning at the end of and at the same elevation as the primary surface and extending to a horizontal distance of 10,000 feet along the extended runway center line. (c) Runway Larger Than Utility With a Visibility Minimum as Low as Three-Fourths Mile Nonprecision Instrument Approach Zone - Slopes 34 feet outward for each foot upward beginning at the end of and at the same elevation as the primary surface and extending to a horizontal distance of 10,000 feet along the extended runway center line. (d) Precision Instrument Runway Approach Zone Slopes upward 50 feet horizontally for each foot vertically beginning at the end of and at the same elevation as the primary surface and extending to a horizontal distance of 10,000 feet along the extended runway center line, then at a slope of 40:1 for an additional 40,000 feet. (e) Transitional Zones - Slopes upward and outward seven feet horizontally for each foot vertically beginning at all the sides of and at the same elevation as the primary surface and the approach zones and extending to a height of 150 feet above the airport elevation, or 840 feet above mean sea level. In addition, there are established height limits sloping upward and outward seven feet horizontally for each foot vertically beginning at the sides of and at the same elevation as the approach zones and extending to where they intersect the conical surface. Where the precision instrument run approach zone projects beyond the conical zone, height limits sloping upward and outward seven feet horizontally for each foot vertically shall be maintained beginning at the sides of and at the same elevation as precision instrument runway approach surface and extending to a horizontal distance of 5,000 feet from the edge of the approach surface measured at 90-degree angles to the extended runway center line. (f) Horizontal Zone One hundred fifty feet about the airport elevation or a height of 840 feet above mean sea level. (g) Conical Zone Slopes upward and outward 20 feet horizontally for each foot vertically beginning at the periphery of the horizontal zone and at 150 feet above the airport elevation and extending to a height of 350 feet above the airport elevation, or 1,040 feet above mean sea level. (3) Use Restrictions Notwithstanding any other provisions of these regulations, no use may be made of land or water within any zone established by these regulations in such a manner as to create electrical interference with navigational signals or radio communication between the airport and aircraft, make it difficult for pilots to distinguish between airport lights and others, result in glare in the eyes of pilots using the airport, impair visibility in the vicinity of the airport, attract birds or other concentrations of wildlife or otherwise in anyway create a hazard or endanger the landing, takeoff or maneuvering of aircraft, intending to use the airport. (4) Nonconforming Uses (a) Regulations Not Retroactive - The regulations prescribed by this Ordinance shall not be construed to require the removal, lowering or other changes or alteration of any structure or tree not conforming to the regulations as of the effective date of these regulations, or otherwise interfere with the continuance of a nonconforming use. Nothing contained herein shall require any change in the construction, alteration or intended use of any structure, the construction or alteration of which was begun prior to the effective date of these regulations, and is diligently prosecuted.