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Mr. Lawrence Koshak <br />Page 2 <br />Section 7: <br />It appears that Alternative C has been readily dismissed due to the disruptions <br />and cost expectations to relocate County Road 56. The recommended alternative <br />B, however, has both high cost and environmental consequences. Is there any <br />alternative analysis that weighs the benefits/disbenefits of Alternatives B and <br />C? <br />Section 8: <br />Regarding the Noise Impacts section (8.2.1), how is the airport "limited" to <br />12,500 pound aircr'~t'F- <br />Have any noise analyses, i.e., Ldn or L estimates been conducted? Though <br />there is no mention of the Land Use Saf~~y Zones A and B, it is assumed that <br />the land use and density requirements have been accommodated by the site <br />acquisition. <br />We hope that these comments will be of some value and we encourage you to call <br />if you have any questions. <br />Sincerely, <br />~~~~~~- <br />Mark J. Ryan <br />Air Transportation Planning <br />MJR:Ih <br />cc: Harry Plemec, Mn/DOT <br />Lloyd Schnelle, Ramsey City Administrator <br />Don Stockdale, Federal Aviation Administration <br />