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An inside look at a failed roofing repair

Source: https://www.constructiondive.com, August 14, 2019
By: Kim Slowey

Dive Brief:

  • San Diego State University, inewsource reported, mishandled a $2 million renovation of its College of Professional Studies and Fine Arts building to the point that a former OSHA official called the project, which ended up shutting down the building because of released toxins in the air, “a case study in how not to do projects.”
  • The renovation was supposed to start last summer, but SDSU failed to secure the proper permits in time, so the schedule was changed so that work would begin in early 2019 when students were on break. After heavy rains, crews used Tremfix to seal the many roof leaks, but an aging and malfunctioning HVAC system failed to clear the building of vapors from the chemicals, which entered through nearby fresh air ducts on the roof. Testing revealed that the level of coal tar pitch volatiles was just under OSHA’s safe limit and above the National Institute for Occupational Safety and Health’s limits, even though crews tried various methods — some disruptive — to remove the fumes. Read more.

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