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Posts Tagged ‘WSDOT’

Seattle, WA: Fixing the Tunneling Machine

Wednesday, February 19th, 2014
Seattle, WA: Fixing the Tunneling Machine

This video shows a short clip of a worker replacing a cutting tool inside the SR 99 tunneling machine in January 2014. Crews working for Seattle Tunnel Partners (STP), WSDOT’s contractor for the SR 99 Tunnel Project, changed a number of tools during 158 hours of recent inspections performed under hyperbaric conditions. Tunneling experts now believe that the clogs and other factors contributed to the stoppage of tunneling on Dec. 6, 2013. As the project’s design-build contractor, it is STP’s responsibility to determine the best and most expedient way to resume tunneling.

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Washington State DOT: Ferry Construction Time Lapse

Monday, December 23rd, 2013

The video captures construction of Washington’s newest Olympic Class ferry, 144-car Tokitae, from the start of construction through summer 2013.

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Lake Washington, WA: Coffer Cell Launch

Tuesday, December 10th, 2013
Lake Washington, WA: Coffer Cell Launch

On Nov. 26, 2013, SR 520 bridge construction crews launched a 660-ton coffer cell onto Lake Washington. This coffer cell will be used to create a dry work space so that crews can complete repairs to the end walls of Pontoon U and Pontoon V on Lake Washington.

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State of Washington: Mudslide on SR 20

Tuesday, August 20th, 2013

On August 11, 2013 a severe rainstorm swept through the Cascades causing eight different mudslides to cover the roadway. This particular slide, on milepost 154, is the smallest of the eight. Crews up there said one minute a lane was open and within minutes the roadway was impassible.

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Clyde Hill, WA: Girder Setting Timelapse

Tuesday, August 6th, 2013

Crews working for the Washington State Department of Transportation set concrete girders above SR 520 during four nights in mid-July 2013. This time lapse video captures the coordinated effort by the crane operators and supporting crews to deliver and set the girders above the highway. These girders will support a new lid featuring access to […]

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Renton, WA: Bulldozer pushes rolled over semi on I-405

Friday, June 7th, 2013

WSDOT maintenance crews used a bulldozer to push a rolled over semi out of the way on southbound I-405 in Renton. -wsdot on YouTube.

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Seattle, WA: Building State Route 99

Thursday, May 23rd, 2013

Bertha, the SR 99 tunneling machine, has arrived in Seattle. This short video provides an overview of Bertha’s journey and the work WSDOT is doing to replace the SR 99 Alaskan Way Viaduct. – wsdot on YouTube

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Seattle, WA: SR 99 Tunneling Machine Animation

Friday, May 17th, 2013

Courtesy of Hitachi Zosen Corp., this animation shows how the world’s largest tunneling machine works. – wsdot on YouTube

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Washington State DOT: I-90 Rock Blasting

Wednesday, April 10th, 2013

A montage of the work that will happen on I-90 over Snoqualmie Pass this summer, showing you what happens behind the scenes during closures Monday through Thursday an hour before sunset. These closures are planned for an hour, but could take longer due to the nature of the blast and the amount of debris that […]

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Tacoma, WA: Pontoon Bridge Float-Out

Thursday, February 7th, 2013

The second cycle of six pontoons for a replacement State Route 520 floating bridge were towed out of the Concrete Technology Corporation casting basin in Tacoma, Wash., from Jan. 28 to Jan. 31, 2013. In this time-lapse video, crews maneuver a large T-pontoon into position to add the additional floatation needed to tow the supplemental […]

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