Old bridge bumper technology means future oil spills likely
San Francisco Examiner
http://www.sfexaminer.com/local/Old-bridge-bumper-technology-means-future-oil-spills-likely-69245927.html
Nov 05, 2009
Two years after a rigid bumper system on a Bay Bridge tower ripped open two fuel tanks of a wayward cargo ship, the dangerously outdated technology remains in use. The old-fashioned design of the bumper systems has been criticized by UC Berkeley engineering professor Abdolhassan Astaneh-Asl.