Port – Insulation Memo, September 2003

TO: M. R. Dinsmore, Chief Executive Officer FROM: Diane Summerhays, Manager, Community Development, Aviation Division Jazzi Richardson, Manager, Noise Remedy Program SUBJECT: Request for authorization for the Chief Executive Officer; Director, Aviation Division; Manager, Community Development; and Manager, Noise Remedy, to execute all documents necessary to implement the insulation of 98 single family residences located in the 2010 65 Day Night level (DNL) noise contour which were built before December 3, 1986 for the City of Des Moines and September 6, 1987 for King County at an estimated cost of $3,692,914. BUSINESS STRATEGIES FOR 2003-2007 This request supports the Port’s business strategies to “Enhance Public Understanding and Support of the Port’s Role in the Region” and “Exhibit Environmental Stewardship through our Actions”. BACKGROUND The Port’s sound insulation program for single-family residences has been under way since 1985 and is nearing completion. The 1997 Supplemental Environmental Impact Statement (EIS) on Sea-Tac Airport’s Master Plan Update and the Federal Aviation Administration’s Record of Decision identified 107 residences that would be affected by a 1.5 DNL or greater increase in noise from operations of the 3rd runway. This program was approved by Port Commission in Resolution No. 3125. Further assessment of the 107 single-family residences identified 98 as eligible for sound attenuation. PREVIOUS COMMISSION REVIEW/ACTION December 31, 1997 – Resolution No. 3125 The Port commits to a number of actions, including the completion of all single-family residential insulation required as a result of actions taken based on the site-specific EIS. PROJECT DESCRIPTION/SCOPE OF…

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