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— 25 -to -1 for a horizontal distance of 5,000 feet from the nearest point of the <br />nearest landing and take -off area of each heliport (public use or military). <br />Highways, railroads, or other traverseway for mobile objects of a height which, if <br />adjusted upward 17 feet for interstate highways, 15 feet for public roadways, 10 <br />feet (or the height of the highest mobile object that would normally traverse the <br />road, whichever is greater) for private roads, 23 feet for a railroad, and for a <br />waterway or any other traverseway not previously mentioned, an amount equal to <br />the height of the highest mobile object that would normally traverse it would <br />exceed a standard of the previous paragraphs. <br />When requested by the FAA, construction/alteration that would be in an instrument <br />approach area. <br />Any construction on public or military airports. If runways or taxiways to be <br />constructed are already shown on an approved Airport Layout Plan (ALP) and no <br />changes are required, the 7460 -1 does not need to be submitted. Temporary <br />cranes or other construction equipment over 20 feet in height require submittal of <br />the 7460 -1. <br />The FAA will conduct an aeronautical study and issue a determination to the <br />proponent of the construction/alteration which is also forwarded to the airport <br />operator if determined to be a hazard. A determination does not relieve the proponent <br />of responsibility for compliance with any other local law, ordinances, or regulation, <br />or state or other federal regulations. When evaluating proposals, the FAA will also <br />examine the use of cranes, derricks, and other construction equipment that is used to <br />accomplish the proposal. If construction information is not available at the time the <br />7460 proposal is submitted, further aeronautical study for the height of construction <br />equipment is necessary. <br />Because the FAA has no land use control powers, it is important that local planners <br />are aware of the various, critical safety considerations when siting developments <br />around airports. <br />Page III -17 IV. Funding Sources for Compatible Land Use Planning <br />75 <br />