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STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
  • Since 2016, working to obtain justice for everyone living under the flight path.
  • Less Noise. Cleaner Air. Better Public Health. Compensation.
  • Everything you think you know about the airport is wrong.

TagFill Dirt(72)

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  • The Great Wall Of Sea-Tac

    In 1996, the Puget Sound Regional Council (PSRC) gave final approval to the Port of Seattle’s proposal to build a Third Runway. The airport was originally sited on a small plateau about 430 feet above sea level, which ended immediately at the west side of what is now Taxiway Tango. The basic struggle in airport
    CategoriesExplainers, History TagsFill Dirt, Tango Taxiway, Third Runway
  • 2015-02-13

    EXH AR026602: Handwritten Notes — Third Runway Fill Dirt, Sales Tax Exemption, TPH Contamination, Soil Removal

    Handwritten notes dated 2/13 document a phone call at 9:56 AM regarding fill and runway notification related to a sales tax exemption, referencing figures of 1,500 and 10/5/2000. The notes also address Reports of Remedial Action concerning tax exemption copies, a Bellevue Site with TPH contamination, and 1,500 tons of suspected contaminated soils transported to three RW sites. A 4:00 PM follow-up call with Pete confirmed that soil was removed from three RW project areas for treatment (ISR) shortly after it was placed.
    TagsACC, Fill Dirt, Handwritten Notes, PCHB, Pollution Control Hearings Board, Sea-Tac Airport, soil, Third RunwayFolderBox 10
  • Runway embankment completed

    Port of Seattle Commission president Pat Davis waves a construction flag to signal the dumping of the last load of fill dirt for the third runway at Seattle International Airport. Television cameras record the moment. Photo by Amber Trillo Tue, 11/07/2006 Port of Seattle staff celebrated on Oct. 30 the completion of the embankment for
    CategoriesFrom The Web, History TagsFill Dirt, Mechanically Stabilized Earth, Mic Dinsmore, Pat Davis, Third Runway, Westside Seattle
  • 2005-03-01

    Third Runway Construction Traffic: Fill Dirt Complaints and Data Report, March 2005

    During March 2005, construction of Seattle-Tacoma International Airport's third runway was approximately 60% complete, with trucks making over 28,000 trips and hauling nearly 859,000 tons of fill material from multiple pits in the region. Community concerns arose in late 2004 about construction truck traffic on SR 518 and SR 509, including complaints of speed-limit violations, uncovered loads, spilled materials, and possible overweight vehicles, prompting a state legislator to contact the Washington State Patrol about enforcement. The project also generated 119 damage claims from the public since hauling began in June 2004, with 44 claims settled between the contractor and the Port.
    TagsDave Upthegrove, Fill Dirt, RCAA, Sea-Tac Airport, Third RunwayFolderConstruction
  • 2004-04-08

    Declaration of John Rothnie, P.E. in opposition to Airport Communities Coalition’s motion for injunctive relief

    In 2004, John Rothnie, the Port of Seattle's Airfield Program Manager, filed a declaration opposing a request to block construction of a third runway at Seattle-Tacoma International Airport (Sea-Tac). The declaration outlines the Port's years of planning efforts, including obtaining required environmental certifications and developing a detailed Work Plan to ensure fill materials used in the runway embankment met strict water-quality standards. The Port had been moving forward with the expectation of beginning construction in 2004, following approval from the Washington Department of Ecology and the Pollution Control Hearings Board.
    TagsAirport Communities Coalition, Fill Dirt, Pollution Control Hearings Board, Port Of Seattle, RCAA, Third RunwayFolderRCAA
  • 2002-12-05

    Maury Island Barging and Pier Comments Relevant to Sea-Tac Third Runway 404 Permit Application 1996-4-02325

    A December 2002 letter to the U.S. Army Corps of Engineers raises environmental and public health concerns about the Sea-Tac Airport Third Runway project, arguing that construction pollution, ASARCO-contaminated fill material, and increased de-icing fluid use may be harming Puget Sound marine life, including orca populations. The author also warns of collision risks between barges transporting runway fill material and large tankers crossing the same waters. The letter calls for denial of the third runway permit, citing the absence of any cumulative air pollution or health hazard analysis and questioning the project's necessity given declining air and marine cargo traffic.
    TagsArmy Corp of Engineers, Deicing, Fill Dirt, Puget Sound, Third RunwayFolderThird Runway
  • 2002-10-22

    EXH AR034954: Third Runway Soil Fill Quality Criteria

    Port Of Seattle document establishing soil fill quality criteria for Third Runway embankment construction in 1998, covering approximately 820,000 cubic yards of fill material. Specifies Fill Borrow Material Types (Group 1, Group 2, Group 3) with sieve size gradation requirements (6″, 3″, ¾”, U.S. No. 4, U.S. No. 40, U.S. No. 200), MTCA Method A
    TagsACC, Ecology, Fill Dirt, Pollution Control Hearings Board, Port Of Seattle, soil, Third RunwayFolderBox 14
  • 2002-10-20

    EXH AR019658: Third Runway Soil Fill Quality Criteria

    This document outlines the Port of Seattle's soil fill quality criteria for the first phase of construction of a new runway embankment, involving approximately 820,000 cubic yards of material placed in 1998. It details the approved sources for fill material, technical specifications for soil gradation and contamination standards, and the certification and monitoring processes required of contractors. Independent soil technicians and Port consultants were tasked with overseeing material delivery, placement, and compliance testing throughout the project.
    TagsACC, Construction, Fill Dirt, MTCA, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 09
  • 2002-08-22

    Port Of Seattle’s petition for reconsideration regarding Condition 8

    The Port of Seattle filed a petition in August 2002 asking the Pollution Control Hearings Board to reconsider Condition 8 of its Final Order, which prohibited the use of a soil-testing method called SPLP (Synthetic Precipitation Leaching Procedure) to approve fill material for the Third Runway expansion project at Sea-Tac Airport. The Port argued that banning SPLP made it nearly impossible to find acceptable fill soil, since up to 78% of naturally occurring, uncontaminated soils would fail the Board's strict numeric criteria when tested across multiple constituents. The Port maintained that proper use of SPLP poses no environmental threat to water quality and requested the Board allow its use under specific conditions so the runway project could proceed.
    TagsFill Dirt, MTCA, Pollution Control Hearings Board, Port Of Seattle, RCAA, Third RunwayFolderRCAA
  • 2002-02-19

    Exhibit 730: Handwritten Meeting Notes — Embankment Model, Fill Modeling, Miller Creek, Walker Creek, and Des Moines County Monitoring

    Handwritten meeting notes dated February 19, 2002, AR 026595–026597, attended by Pony Ellingson, Joe Brascher, Paul Fendt, Keith Smith, Felix Kristandovitch, Nick Stackellburg, Kelly Whiting, Ray Helwig, and Ed Abbasi. Topics include embankment model (Figure 5-4, Appendix B, Slice I model, MSE wall, infinite permeability assumption, coarse fill), fill modeling footprint area with surface groundwater
    TagsACC, Des Moines, Fill Dirt, Handwritten Notes, Miller Creek, Pollution Control Hearings Board, Walker Creek Basin PlanFolderBox 10

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Upcoming Events

  • Part 150 NCP Workshop — Burien
    Add to CalendarMSaturday Oct 17: 10:00am

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — SeaTac
    Add to CalendarMMonday Oct 19: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — Des Moines
    Add to CalendarMTuesday Oct 20: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]

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Issues

Sea-Tac Airport is currently undergoing the largest and longest expansion in its history, collectively known as the Sustainable Airport Master Plan (SAMP). Some of it you can already hear, but you’re probably not aware of what it all means. Here’s what you need to know.
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Read This!

As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.
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