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 Transportation Today
 

Airport preps for rehab of Taxiway Bravo

In 2006, staff at the King County International Airport (KCIA) capped off the massive project to repave and update the main 10,000-foot runway (13R/31L) at Boeing Field. Now, the focus turns to improving the taxiways supporting the runway.


An aerial view of KCIA's main runway.

The taxiways function much like the ramps on a freeway, conveying planes from the hangars and tarmac parking to the two runways. Taxiway Alpha is located on the east side of the field, and Taxiway Bravo on the west. Both are as long, but not as wide, as the main runway.

This summer, thanks in part to a federal grant, Taxiway Bravo will undergo a $12 million upgrade. The engineering design for this project is complete, the bid has been awarded to Icon Materials, and construction is expected to begin in July and last through September.

“Our master plan calls for capital facility improvements to keep the airport functioning as a major aviation center and maintain its viability as an economic engine for the region,” said KCIA Director Bob Burke. “The taxiway upgrades are a critical component to maintaining safety, meeting Federal Aviation Administration standards, and improving the quality of flying in and out of Boeing Field.”

The Taxiway Bravo project includes repaving the full 10,000-foot length, improving the drainage, and installing new lights and signage. Also included is the construction of asphalt shoulders along both sides of the 5,000-foot center portion of the long runway. Plans call for Taxiway Alpha to be redone in 2009.


It’s not just the size of the taxiway that makes the project complex. Before the surface can be repaved, the old asphalt will be ground up and recycled. In some places, the sub-surface needs to be reconstructed.

The shoulders must be installed from scratch, carved out of the grassy infield areas. These are becoming increasingly necessary as Boeing Field accommodates some of the largest aircraft in the world. Although the runway is plenty wide for the wheels of the planes in some of the bigger models the engines hang over the grass, which is a safety concern.

KCIA staffers are meeting with airport tenants this week to explain the details of the project and how the work will be staged. The goal is to begin in early July and – weather permitting – finish by the end of September.

Airport managers hope to keep the operational disruptions to a minimum. The long runway will probably be closed for four weekends, and the taxiway closure will be done in phases on weekdays.

In addition to the runway and taxiway upgrades, future plans include repairs to the airport’s vehicle parking lots and road system, along with upgrades for numerous buildings owned and operated by KCIA.

 

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Updated:  May 19, 2008

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