TagSustainable Airport Master Plan(280)

This March 2024 technical report, prepared by Landrum & Brown for the Port of Seattle, assesses air quality and climate impacts associated with near-term construction and operational projects outlined in the Sustainable Airport Master Plan for Seattle-Tacoma International Airport. It analyzes emissions from sources including aircraft, ground support equipment, stationary and mobile sources, auxiliary power units, and construction activities. The report follows NEPA air quality and climate protocols to evaluate potential environmental effects of planned airport improvements.

This Noise Technical Report, prepared by Landrum & Brown for the Port of Seattle in March 2024, analyzes noise impacts associated with near-term construction and development projects outlined in the Sustainable Airport Master Plan for Seattle-Tacoma International Airport. The report is part of Appendix J, which covers noise and noise-compatible land use, and was developed to satisfy both federal (NEPA) and state (SEPA) environmental review requirements. It provides technical findings to help assess how proposed airport improvements may affect noise levels in surrounding communities.

This Noise Technical Report, prepared by Landrum & Brown for the Port of Seattle in March 2024, analyzes noise impacts associated with near-term construction and development projects outlined in the Sustainable Airport Master Plan for Seattle-Tacoma International Airport. The report is part of a broader Appendix J covering noise and noise-compatible land use, which also includes a Noise Modeling Protocol and a Construction Noise Technical Report. Together, these documents provide technical assessments to guide planning decisions that balance airport operations with the noise concerns of surrounding communities.

This technical report, prepared by Landrum & Brown for the Port of Seattle in March 2024, analyzes air quality and greenhouse gas emissions associated with near-term projects in the Sustainable Airport Master Plan for Sea-Tac Airport. It covers emission sources including aircraft, ground support equipment, stationary and mobile sources, and construction activities. Note that following changes to federal executive orders and a 2025 Supreme Court ruling, references to climate change preparedness and cumulative impact analysis were removed from the final version, leaving only the quantified GHG emissions disclosures.

Appendix C of the Sea-Tac Sustainable Airport Master Plan covers air quality and greenhouse gas emissions analyses prepared for the Port of Seattle by Landrum & Brown. It includes technical reports on emissions from aircraft, ground support equipment, construction, and other airport sources, as well as a human health risk assessment focused on ultrafine particles. Note that some climate-related sections originally included in the Draft Environmental Assessment were later removed following changes to federal executive orders and a 2025 Supreme Court ruling.

This Noise Technical Report, prepared by Landrum & Brown for the Port of Seattle in March 2024, analyzes noise impacts associated with near-term projects outlined in the Sustainable Airport Master Plan for Seattle-Tacoma International Airport. It is part of a broader Appendix J covering noise and noise-compatible land use, which also includes a Noise Modeling Protocol and a Construction Noise Technical Report. The report provides technical assessments to support planning decisions related to aircraft and construction noise in communities surrounding Sea-Tac Airport.

This contract amendment extends the agreement between the City of Des Moines, Washington, and Vianair, Inc., an aviation consulting firm, through December 31, 2025. The amendment, signed in early 2024, builds on an original contract from July 2017 that had previously been amended three times. Vianair likely provides noise analysis or air traffic consulting services related to Sea-Tac Airport on behalf of the City.

The Port of Seattle presented an environmental review of near-term construction projects at Seattle-Tacoma International Airport as part of its Sustainable Airport Master Plan. Projects include expanded passenger terminals and gates to handle a projected 56 million annual passengers, additional cargo facilities, airfield safety upgrades to meet FAA standards, taxiway efficiency improvements, and new fuel storage to support Sustainable Aviation Fuel initiatives. The review maps out how these developments will be assessed for their environmental impacts across the airport and surrounding areas.