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Construction


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January 3, 2011

Pontoon construction a massive production

By JON SILVER
Journal Staff Reporter

Image courtesy of WSDOT [enlarge]
Concrete pontoons for the state Route 520 floating bridge will be assembled in a giant casting basin at a proposed 55-acre site in Aberdeen. The site will also have offices, a rail spur, assembly areas and a concrete batch plant, shown in the upper left.

The effort to replace the state Route 520 floating bridge will involve construction that takes place miles from its picturesque setting on Lake Washington.


 
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