FRESNO - Unstable soil from poor tunnel design and a failure to use supports to ensure stability for the tunnel and the earth above --- compounded by water levels that had risen because of heavy rain --- were the factors that contributed to the collapse of the Hollywood tunnel on June 22, according to a report prepared by a respected independent consulting firm. The study was conducted for the Metropolitan Transit Authority by Wiss, Janney, Elstner Associates.When the telegenic sinkhole first a
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