Notes
Highline Times news article by Ty Swenson, April 15, 2011, covering a Port Of Seattle open house held at Sea-Tac Airport on April 9, 2011, presenting noise mitigation proposals to surrounding communities. Port noise study manager Stan Shepherd explained the DNL (day-night average noise level) metric and the 65 DNL sound contour boundary. Mitigation proposals include a hush house for engine run-ups, air conditioning/sound insulation for single-family homes, multi-family sound insulation, avigation easements for mobile/manufactured homes, and long-term land use planning assistance. Arlene Brown of Normandy Park quoted criticizing the DNL approach. FAA 180-day review of proposals expected by end of 2011. Also contains separate articles on Des Moines building height/marina district design guidelines and a Japanese preschool fundraiser.
