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Like working with Legos, only bigger

POSTED BY: SOUPCATCHER
UPDATED: Sunday, August 26, 2007 09:25
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Saturday, August 25, 2007 8:10 PM

SOUPCATCHER


This is kind of out of left field, just wanted to share on an upcoming project that I find fascinating.

The Bay Bridge (between San Francisco and Oakland) is in the process of a seismic retrofitting that will last well into the next decade. Part of that retrofitting will take place on a tight schedule over the Labor Day holiday weekend.
Quote:

from http://www.kcbs.com/pages/824909.php?contentType=4&contentId=811639
A section of roadway about the length of a football field has been constructed on a movable support system which will be rolled into place over Labor Day weekend when the Bay Bridge is closed.

The section of the project is being called the Yerba Buena Island Viaduct Replacement.

Saturday and Sunday of Labor Day weekend there will be lots of demolition on the bridge’s upper deck. Then special tracks will be laid horizontally along the bridges’ lower deck. At that point crews “will be sliding in a section that is actually six inches shorter than what we just removed so we can slide it directly into place,” said an engineer on the project.


There's a rendering of the process on page 2 of this pdf: http://www.baybridgeinfo.org/Editor/assets/ybi_laborday0nline.pdf

They're hoping to completely replace the 350 foot span over the weekend so that the Bay Bridge can reopen for Tuesday morning's commute. Seems hugely ambitious, but they have the right team on the job:
Quote:

http://www.paloaltodailynews.com/article/2007-8-1-all-bridge
Officials noted the concern that the project might not be completed in three days and thus keep the bridge shut down into the first work week of September. They hope that fear will be allayed by the fact that the contractor on the estimated $40 million viaduct replacement project is Rancho Cordova-based C.C. Myers.

Myers won praise for lightning-fast reconstruction of the collapsed eastbound Interstate 80 to eastbound I-580 ramp in the Oakland's busy MacArthur Maze interchange in May. The job earned the contractor a $5 million bonus - nearly six times what C.C. Myers bid on the job.


It's big projects like this that make me all warm and fuzzy about my tax dollars at work.


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Sunday, August 26, 2007 9:23 AM

MALBADINLATIN


I would like to be the first to test it....I got my old football helmet on and my 68 VW Beetle! Maybe I can make a cape too!

I live in Sacramento so the 90 miles will be all I need to get up enough speed. You just keep traffic out of my way Soup!

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Sunday, August 26, 2007 9:23 AM

MALBADINLATIN


ooops, double post

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Sunday, August 26, 2007 9:25 AM

WYTCHCROFT


ah - it's a douglas coupland life alrighty!

wish i was there with ya!

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