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M E M 0 <br />TO: Dave Hartley, City Administrator R Fr�IV Fn <br />FROM: Merland Otto, Hakanson Anderson Associates, Inc. M AR ? 1987 <br />DATE: March 30, 1987 Ails <br />RE: Airport and Burlington Northern Railroad <br />Your March 24, 1987 memo requested that we clarify the issue of the <br />airport's impact on the railroad and any review that has taken place <br />in this regard. <br />Federal Aviation Regulation Part 77.23 defines the necessary approach <br />clearances for determining obstructions. Said regulations require 23' <br />of clearance over all railroads - that same height being the standard <br />for all railroad tunnels in the United States. Thus, any and all <br />material transported by rail is restricted to less than 23' in height. <br />Mn /DOT, Division of Aeronautics and FAA review the ALP. No other <br />review is required as long as the minimum approach clearance of 23' <br />over the railroad is maintained. <br />From a practical standpoint, a quick look through the Minnesota <br />Airport Directory shows numerous airport /railroad circumstances <br />similar to Gateway. Among these are airports at Bagley, Barnsville, <br />Clarissa, Clear Lake, Crystal (Mpls.), Hallock, Lakeville, Park <br />Rapids, Perham, Pipestone, Sandstone, Walker, Willmar and Winona. <br />If you need additional information, let me know. At the same time, we <br />have recommended obtaining an easement over the railroad right -of -way. <br />Thus, opening a line of communication may be desirable. <br />�r <br />