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Warren Hall Demolition

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Published on Aug 17, 2013

HAYWARD, Calif. -- USGS officials are preparing to monitor this weekend's planned demolition of Cal State East Bay's old Warren Hall Administration Building.

After Saturday morning, the 40-year-old tower will be gone. Warren Hall was built right along a fault line and was deemed the most seismically unsafe building in the Cal State University system. It's been abandoned for the last two years.

Geologists from the USGS placed 600 sensors around the East Bay to measure movement along the Hayward Fault. The blast will have the same energy as a 2.0 quake.

Crews have set over 1,100 detonation charges on the old building. That's 463 pounds of explosives. The demolition on Saturday will make the 13-story landmark building crumble away from the adjoining library. Officials decided to blow up the building, instead of tearing it down slowly, to keep dust to a minimum. Inside, crews used jackhammers and blowtorches to soften the structure. The explosives inside will be used to make the building lean and then collapse on itself.

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