At the development in Qatar, Grace Construction Products’ Preprufe waterproofing membrane has been specified to provide a proven, practical and reliable waterproofing solution.
Under OSHA’s proposed rule, a construction employer would have to measure and keep records of the amount of respirable crystalline silica that its workers are exposed to if it may be at or above 25 micrograms of silica per cubic meter of air, averaged over an eight-hour day.
Mortenson Construction announced it has received the U.S. Small Business Administration 2013 Region V Dwight D. Eisenhower Award for Excellence for Construction.