TagSustainable Airport Master Plan(237)

The Joint Des Moines and Burien Airport Committee is scheduled to meet on June 8, 2026, at 4:00 PM in the Des Moines City Council Chambers to hold a study session on the Sustainable Airport Master Plan (SAMP), with reference materials available at sea-samp.com/materials. The SAMP is a planning process relevant to Sea-Tac Airport's future development and its noise and environmental impacts on surrounding communities. The next scheduled meeting is the Des Moines Airport Advisory Committee Meeting on July 13, 2026.

This is the agenda for the Port of Seattle Commission Regular Meeting held on May 26, 2026, covering a range of port business items including infrastructure projects at Seattle-Tacoma International Airport (SEA). Key topics include the S Concourse Evolution program (authorized up to $300 million), the Main Terminal Improvement Program emergency power design, and a briefing on the Sustainable Airport Master Plan Near-Term Projects Environmental Review, including a SEPA Draft Environmental Impact Statement. The meeting was held both in person at Sea-Tac Airport and virtually via Microsoft Teams.

Appendix O is a placeholder section titled 'Agency & Public Engagement,' reserved for public comment and public engagement information that will be included in the final SEPA (State Environmental Policy Act) Environmental Impact Statement. No content has been populated in this draft version. The completed section will document how agencies and the public were involved in the environmental review process.

The Bonneville Power Administration's 2024–2028 Strategic Plan outlines the agency's goals for delivering reliable, affordable electricity and high-voltage transmission across the Pacific Northwest. The plan focuses on workforce investment, updating power products and rate structures, expanding transmission infrastructure, and addressing growing risks such as drought conditions, extreme heat, and cybersecurity threats. Note: This document concerns regional energy supply policy and is not directly related to Sea-Tac Airport noise policy.

Agenda for the Des Moines Airport Advisory Committee meeting covering approval of minutes, complaints/communications, StART meeting update, SAMP update, and workplan amendment discussion. Includes items about supporting city response to SAMP Draft EIS, public education efforts, and mitigation measures research.

This appendix lists the individuals and organizations responsible for preparing the environmental review documents for Seattle-Tacoma International Airport's Sustainable Airport Master Plan Near-Term Projects. It includes two tables: one covering contributors to the State Environmental Policy Act (SEPA) Environmental Impact Statement, and one listing those who prepared the National Environmental Policy Act (NEPA) Environmental Assessment. Key contributors include staff from the Port of Seattle, consulting firms such as Parametrix, Landrum & Brown, CDM Smith, Concord Engineering, and RS&H, covering areas such as air quality, noise, climate change, safety, and biological resources.

This report analyzes existing traffic conditions around Seattle-Tacoma International Airport as part of the Sustainable Airport Master Plan (SAMP) Near-Term Projects Environmental Review. It examines 108 intersections—including signalized, stop-controlled, and uncontrolled locations—along key travel routes connecting the airport to surrounding communities, focusing on weekday PM peak hour traffic volumes. The study also includes freeway analysis of SR 518 and I-5 ramps and segments at the request of WSDOT.