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(a) Within the airspace above the approach zone to each end of a runway designed to be used for instrument landings, no building, structure or growth shall be erected, altered or permitted to project above a plane with a slope of one (vertical) to 50 (horizontal) (1:50) projected from a point 200 feet beyond the end of a runway for a distance of 10,000 feet, the plane to be in the shape of symmetrical trapezoid 1,000 feet in width at its lowest point and 4,000 feet in width at its highest point; combined with a second plane with a slope of one (vertical) to 40 (horizontal) (1:40) extending from the upper edge of the first plane for an additional distance of 40,000 feet, the plane to be in the shape of a symmetrical trapezoid 4,000 feet in width at its lowest point and 16,000 feet in width at its highest point.
(b) Within the airspace above the approach zone to each end of a runway not designed to be used for instrument landings, no building or structure shall be erected or altered to project above a plane with a slope of one (vertical) to 40 (horizontal) (1:40) projected from a point 200 feet beyond the end of the runway for a distance of 10,000 feet, the plane to be a symmetrical trapezoid calculated by representatives of the Sioux Falls Regional Airport Authority.
(1992 Code, App. B, § 15.43.102) (Ord. 42-83, passed 6-27-1983; Ord. 76-07, passed 6-4-2007; Ord. 71-09, passed 8-3-2009; Ord. 9-13, passed 3-19-2013)
Within the established transition zones adjacent to each instrument and noninstrument runway and approach zone, no building, structure or growth shall be erected, altered or permitted to project above a plane with a slope of one (vertical) to seven (horizontal) (1:7). Transition zones extend outward and upward from a line (*) feet on either side of the centerline of noninstrument runways for the length of the runway plus 200 feet on each end; to a height 150 feet above the elevation of the airport reference point. In addition, transition zones are established adjacent to both instrument and noninstrument approach zones which flare outward and upward symmetrically along the entire length of each approach zone to where they intercept to the surfaces of the horizontal and conical zones.
* The applicable distance in feet must be based on runway length as set forth in § 77.25 of part 77 of the Federal Aviation Regulations.
(1992 Code, App. B, § 15.43.104) (Ord. 42-83, passed 6-27-1983; Ord. 71-09, passed 8-3-2009; Ord. 9-13, passed 3-19-2013)
(a) Within (*) feet from the established airport reference point, no building or structure shall be erected or altered to project above a horizontal plane 150 feet above the established airport elevation. This horizontal zone does not include the approach or transition zones.
(b) Within the conical zone, which commences at the periphery of the horizontal zone and extends outward there from a distance of (*) feet, no building or structure shall be erected or altered to project above a plane with a slope of one (vertical) to 20 (horizontal) (1:20).
(c) Exception: Nothing in this section shall be construed as prohibiting the growth, construction, or maintenance of any tree or structure to a height up to 20 feet above the surface of the land.
(*) The applicable distance in feet must be based on runway length as set forth in § 77.25 Civil Airport Imaginary Surfaces of the Federal Aviation Regulations.
(1992 Code, App. B, § 15.43.106) (Ord. 42-83, passed 6-27-1983; Ord. 76-07, passed 6-4-2007; Ord. 71-09, passed 8-3-2009; Ord. 9-13, passed 3-19-2013)
(a) The noise exposure zone reflects the 65 DNL as regulated by the Federal Aviation Administration as shown within the June 28, 2007, adopted airport master plan, on file with the Sioux Falls Regional Airport Authority.
(b) An avigation easement shall be placed on property within the noise exposure zone when a building permit for substantial improvements to a habitable residential structure is being requested.
(1992 Code, App. B, § 15.43.108) (Ord. 42-83, passed 6-27-1983; Ord. 71-09, passed 8-3-2009; Ord. 9-13, passed 3-19-2013)
Within the airport influence overlay district, an avigation easement may be conveyed to the Sioux Falls Regional Airport Authority by property owners subdividing lands, initiating substantial construction of any habitable structure on already subdivided lands, or changing zones within the airport influence overlay district. The Sioux Falls Regional Airport Authority shall be the grantees of the avigation easement, and shall be able to facilitate an agreed upon easement between the two parties.
(1992 Code, App. B, § 15.43.110) (Ord. 42-83, passed 6-27-1983; Ord. 76-07, passed 6-4-2007; Ord. 71-09, passed 8-3-2009; Ord. 9-13, passed 3-19-2013)
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