CoatingsPro Magazine

MAY 2018

CoatingsPro offers an in-depth look at coatings based on case studies, successful business operation, new products, industry news, and the safe and profitable use of coatings and equipment.

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50 MAY 2018 COATINGSPROMAG.COM all structural steel below deck, the parallel stiffening girders and interior cells at deck level, and the eyebar chains and towers above deck level. "Most of the coating was completed at and above deck level, and the steel below deck was left in a zinc primer over the winter to allow Advantage Steel and Construction to make steel repairs. Upon re-mobilization in spring 2017, the buckle plates were blasted and primed, and the remaining painting at, above, and below deck was completed," said Skaroulis. A Bit of History In 2005, the 7th Street Bridge was renamed the Andy Warhol Bridge after the famous artist who was born in Pittsburgh. It is the middle bridge of the ree Sisters bridges that cross the Allegheny River near PNC Park, the home of the Pittsburgh Pirates. e two other bridges are the Roberto Clemente, or 6th Street Bridge, and the Rachel Carson, or 9th Street Bridge. e ree Sisters are historically significant because they are the only trio of nearly identical bridges, as well as the first self-anchored suspension spans, built in the United States. Today, the ree Sisters are a beloved part of the Pittsburgh skyline, which reflects the history of the city as well as local ingenuity and craftsmanship. ese bridges were built by the American Bridge Company, a local Pittsburgh company, during the mid-1920s and are among the only surviving examples of large eyebar chain suspension bridges in America. Designed by the A llegheny County Department of Public Works, the ree Sisters replaced earlier bridges of various designs at the same sites. e construction of these new bridges was mandated by the War Department to eliminate navigable river clearance concerns. W hile the cables or eyebar chains in conventional Hand rails above deck were pressure washed, ground, and coated. First the crew brush and rolled on an epoxy and then they sprayed on a polyurethane finish coat. All coatings were from Sherwin-Williams. Andy Warhol Bridge Re ad e r In qui r y at co ati n g sp ro m a m /i n q0518

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