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Demolition Of Old Bay Bridge Section To Cost An Extra $12.6 Million

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Original East Span to be Demolished

Original East Span to be Demolished

TimRyan20100909_KCBS_0232r Tim Ryan
Tim Ryan graduated from CSU Chico with a Journalism degree and work...
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OAKLAND (CBS SF)— Caltrans officials said on Monday that work will begin soon on a key part of the demolition of the 77-year-old original east span of the Bay Bridge.

Demolition work began last September after the new eastern span was opened to traffic and won’t be completed for another three to five years.

Caltrans spokesman Andrew Gordon said that workers will soon start cutting and separating the cantilever section at the middle of the old span.

Once the cantilever is separated at its center, the contractor will begin removing steel beams, Gordon said.

The span’s two 412-foot-long cantilever arms are connected by a 576-foot-long suspended span and Caltrans originally planned to take down one arm at a time, he said.

But Gordon said Caltrans now plans to take both arms down at the same time in order to save time so that the demolition work can get back on schedule.

He said it will cost an extra $12.67 million to hire more workers to work on both sections at the same time but Caltrans hopes that that money could be recouped in the long term by shortening the schedule for the demolition work.

Standing on a plank placed on a table, he illustrated the inherent challenges and care needed in removing a cantilevered weight.

Bay Bridge engineers demonstrate the pressures that cantilevered sections of the bridge are under as crews work to demolish the old span.  March 24, 2014 (KPIX 5 )

Bay Bridge engineers demonstrate the pressures that cantilevered sections of the bridge are under as crews work to demolish the old span. March 24, 2014 (KPIX 5 )

Caltrans chief bridge engineer Brian Maroney said that in a month people will notice a gap in the cantilever section because some panels will be gone. He also offered a pizza to whoever takes the best photo of the gap, recreating (in reverse) the famous moment in 1936 when the bridge was joined.

Maroney said there will be much larger gaps in the cantilever section this summer and “you won’t be able to miss it.”

Gordon said Caltrans hopes that all the work on dismantling the cantilever section will be completed by the spring of 2016.

Read More: $9.4 Million Connector To Bay Bridge Bike Path To Be Demolished

TM and © Copyright 2014 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2014 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. Bay City News Service contributed to this report.

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