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CfALUCPfPoliciesfAdoptedf13 0thr f <br /> 9.A. - Page 173 <br /> S-5 In addition to the requirements of Table 4-2, open space requirements, for sites which can <br /> accommodate an open space component, shall be established at the general plan level for <br /> each safety zone, as individual parcels may be too small to accommodate the minimum-size <br /> open space requirement. To qualify as open space, an area must be free of structures,walls, <br /> large trees or poles(greater than 4"in diameter)and overhead wires, and have minimum <br /> dimensions of at least 75 feet wide by 300 feet long along the normal direction of flight. In <br /> addition, a clear path must exist which allows aircraft to reach the open space.Hence, an <br /> open area surrounded by structures or trees may not qualify as open space if such <br /> obstructions preclude a gliding aircraft from reaching the ground under full control of the <br /> pilot. The clustering of development and provision of contiguous landscaping and parking <br /> areas will be encouraged to increase the size of open space areas. <br /> S-6 The principal means of reducing risks to people on the ground is to restrict land uses so as <br /> to limit the number of people who might gather in areas most susceptible to aircraft <br /> accidents.A method for determining the concentration of people for various land uses is <br /> presented in Section 5.0,Implementation. <br /> S-7 The following uses shall be prohibited in all Airport Safety Zones: <br /> • Any use which would direct a steady light or flashing light of red,white,green, or <br /> amber colors associated with airport operations toward an aircraft engaged in an <br /> initial straight climb following takeoff or toward an aircraft engaged in a straight <br /> final approach toward a landing at an airport, other than an FAA-approved <br /> navigational signal light or visual approach slope indicator. <br /> • Any use that would cause sunlight to be reflected towards an aircraft engaged in an <br /> initial straight climb following takeoff or towards an aircraft engaged in a straight <br /> final approach towards a landing at an airport. <br /> • Any use which would generate smoke or water vapor, or which would attract large <br /> concentrations of birds, or which may otherwise negatively affect safe air <br /> navigation within the area. <br /> •f Any use which would generate electrical interference that may be detrimental to <br /> the operation of aircraft and/or aircraft instrumentation, communication or <br /> navigation equipment. <br /> S-8 Structures or trees that would interfere with an aircraft gliding to an emergency landing in a <br /> safety zone open area are not permitted. <br /> S-9 In exceptional cases a variance can be granted, at the discretion of the ALUC, on the basis <br /> of mitigation measures proposed by the applicant which would result in the final project <br /> improving the overall safety in the safety zones in comparison to the situation existing prior <br /> to the project. An example of such a possible mitigation is the removal of existing <br /> incompatible structures in exchange for constructing less incompatible structures. The <br /> following conditions must be met for this variance to be granted: <br /> a f There must be a clear, demonstrable net improvement in safety. <br /> bf The mitigation must provide a permanent improvement in safety. For instance, in <br /> the example above,the removed structures could not be replaced by other <br /> structures at a later date. <br /> SanfCarlosfAirportV C-27 ESAfAirportsf/130753f <br /> ALUCPfWhitefPape/ Junef2014f <br />