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Parging in Process Posted February 23, 2000 A worker from Valentine Construction applies a cemetitious coating to Evans Hall, a process called "parging," as part of a repair project begun last summer. According to project manager Michael Toporkoff, Evans' troubles were caused by rebar that was positioned too close to the face of the concrete during construction. The rebar had been attacked by moisture, which expanded and broke off the surface concrete in chunks. To repair the 10-story building, workers blasted the surface with high-pressure water jets. They then applied a bonding agent and rust inhibitor to the exposed rebar and patched the surface. The parging protects the surface and inhibits future absorption of moist salt air. Capital Projects is currently reviewing color schemes for the final elastomeric coating, looking for colors that help articulate underappreciated architectural elements of the structure without creating "a Ramada Inn," says Toporkoff. "We want to maintain respect for the architectural history that surrounds the building."   [HOME]   [SEARCH]   [ARCHIVE] February 23-29, 2000 (Volume 28, Number 23) Copyright 2000, The Regents of the University of California. Produced and maintained by the Office of Public Affairs at UC Berkeley. Comments? E-mail berkeleyan@pa.urel.berkeley.edu.