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Peter Kocsis, S.E., P.E., is a structural engineer with the Bridge Division, City of Chicago, IL. His specialization include design, maintenance, and repair of bascule bridges over the Chicago River, and design of viaducts, curved viaducts, orthotropic decks, retaining walls and subways. Mr. Kocsis may be reached via email at petedoris@bigfoot.com.