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Schnitzer to process segment of old Bay Bridge

Mar 04, 2014 | 06:08 PM | Frank Haflich

Tags  scrap, steel, Schnitzer Steel, San Francisco-Oakland Bay Bridge, Metropolitan Transportation Commission, California Engineering Contractors, Silverado Contractors, Frank Haflich

LOS ANGELES — The first contract for dismantling a section of the old San Francisco-Oakland Bay Bridge damaged in the 1989 Loma Prieta earthquake has been awarded, with the scrap to be processed by Schnitzer Steel Industries Inc.

"The dismantling of the old bridge will involve multiple contracts, only one of which has been awarded," according to a spokesman for San Francisco’s Metropolitan Transportation Commission (MTC).

The old east span of the Bay Bridge, built in 1936, is expected to generate 58,209 tons of scrap, he said. A new east span opened Sept. 2, 2013.

The first contract for dismantling the cantilever portion of the old bridge span—including 20,412 tons of bridge steel and 2,257 tons of pier or foundation steel—has been awarded to a joint venture of California Engineering Contractors Inc., Pleasanton, Calif., and Silverado Contractors Inc., Oakland, Calif., according to the MTC spokesman. The cantilever portion is 2,420 feet long.

Schnitzer Steel’s Oakland operations were selected by the demolition venture as the vendor for the steel involved in the initial dismantling contract, a spokeswoman for the Portland, Ore.-based recycler confirmed this week.

"We have received some material, but we’re still in the beginning stage," the spokeswoman said, estimating that "not even 25 percent" of the material has been received.

The steel is being processed and cut or sheared down to size, then shipped to domestic and foreign customers, she added.

The next contract, for the remainder of the steel, is expected to go up for bid this summer and involves demolition of 504- and 288-foot truss spans, the MTC spokesman said.

While the first two contracts will take the bridge section down to water level, a third contract involving underwater demolition will be bid "at some unspecified point in the future," the spokesman said.

Although most of the steel involved in the demolition is bridge steel, 6,522 tons are identified as pier or foundation steel.


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