Category : Meetings(460)

Advanced Search Options

  • 2024-07-11

    Des Moines City Council regular meeting agenda – July 11, 2024

    The Des Moines, Washington City Council held a regular meeting on July 11, 2024, covering routine financial approvals totaling over $1 million in vouchers and payroll, as well as public works contracts for a Redondo Restroom Replacement Project valued at approximately $2.35 million. The council also considered naming a Marina District alleyway 'Backstage Alley' and establishing a commemorative street name of 'Waterland Way.' No agenda items specifically related to Sea-Tac Airport noise policy were included in this meeting.
  • 2024-07-09

    Port Of Seattle Tract C – Des Moines Creek West Parcel Acquisition Slide, July 2024

    Slide labeled 'Tract C - DMCW' (Des Moines Creek West) describes a 19,881 sq ft parcel at S. 216th Street and 20th Ave S in Des Moines, WA, owned by the City of Des Moines. The Port plans to purchase Tract C to serve as a private road for truck ingress/egress to the new DMC West industrial site developed with Panattoni, with the parcel then rented under a ground lease to generate additional cash flow.
  • 2024-07-09

    Commission special meeting agenda, July 9, 2024

    The Port of Seattle Commission held a Special Meeting on July 9, 2024, at Seattle-Tacoma International Airport, covering routine business items such as approval of meeting minutes, claims totaling over $169 million, and authorization for various contracts and purchases. The agenda also included a proclamation celebrating the 75th anniversary of Sea-Tac Airport, along with staff presentations on workforce development, childcare services, and apprenticeship and priority hire programs. No agenda items specifically addressing airport noise policy were included in this meeting.

  • Pages from June 10, 2024 Aviation Noise Working Group Part 150 Study Technical Review Committee Meeting #1_0001

    Slide 23 from a Port of Seattle presentation on aircraft noise at Seattle-Tacoma International Airport, explaining key noise metrics including Single Event Sound Level (SEL), Hourly LEQ, and Day-Night Level (DNL). The right panel illustrates that identical DNL 65 levels can result from 1 event/day at SEL 114.4 dBA, 10 events/day at SEL 104.4 dBA, or 100 events/day at SEL 94.4 dBA.

  • DNL65 Airplane Modeling Graphic Pages from June 10, 2024 Aviation Noise Working Group Part 150 Study Technical Review Committee Meeting #1_0001

    This aviation noise education graphic illustrates that Day-Night Average Sound Level (DNL) 65 dBA can result from 1 event/day at SEL 114.4 dBA, 10 events/day at SEL 104.4 dBA, or 100 events/day at SEL 94.4 dBA. The diagram uses aircraft icons to visually demonstrate how DNL integrates both frequency and intensity of noise events into a single equivalent metric.
  • 2024-06-11

    Commission regular meeting agenda, June 11, 2024

    This is the agenda for the Port of Seattle Commission Regular Meeting held on June 11, 2024, covering a range of port business items including approval of financial claims totaling over $116 million, LED lighting upgrades at Terminal 91, and environmental cleanup work at Terminal 115. The meeting also addressed an order requiring all cruise ships to use shore power at Port facilities by 2027, along with the introduction of a resolution to issue up to $850 million in revenue bonds for aviation facility improvements. No items on this agenda specifically address Sea-Tac Airport noise policy.
  • 2024-06-10

    SEL, Hourly LEQ, and DNL Aircraft Noise Measurement Diagram — Part 150 Study Technical Review Committee Meeting #1

    Three-panel educational diagram illustrating how aircraft noise is measured and averaged across different time scales: Single Event Sound Level (SEL) showing two aircraft flyovers with Lmax and duration annotations, Hourly LEQ showing cumulative noise over one hour, and Day-Night Level (DNL) showing 24-hour noise distribution with a 10-dB nighttime penalty applied during nighttime hours. No source organization or document identifier is visible.
  • 2024-06-10

    Part 150 Study Technical Review Committee Meeting #1

    The Port of Seattle held the first Technical Review Committee (TRC) meeting on June 10, 2024, to kick off a Part 150 noise study for Seattle-Tacoma International Airport. The meeting covered the committee's purpose and role, an airport overview, an introduction to aircraft noise modeling, land use compatibility, and the project schedule. Environmental consulting firm ESA, with experience at more than 230 airports nationwide, is leading the study.
  • 2024-05-28

    Let’s fix the program to fix Port Packages!

    May 28, 2024 Public Comment to the Port of Seattle Commission on SIRRPP Commissioners, I think it’s fair to say that when we all worked so hard last winter to create a Port Package Update program–now formally known as the Sound Insulation Repair/Replacement Pilot Program (SIRRPP), stakeholders such as our over 1,000 members assumed we’d
  • 2024-05-14

    Commission regular meeting agenda, May 14, 2024

    The Port of Seattle Commission held a regular meeting on May 14, 2024, covering a broad range of airport and waterfront business items. Among the agenda items relevant to Seattle-Tacoma International Airport operations was the 2023 Annual Report from the SEA Stakeholder Advisory Round Table and the presentation of Sustainable Century and Fly Quiet Awards, both of which address noise management and environmental performance at Sea-Tac Airport. The meeting also included authorizations for major airport construction and infrastructure projects totaling hundreds of millions of dollars.