While the U.S. Occupational Safety and Health Administration plans to revamp its outdated silica-dust standard, a voluntary partnership of asphalt-paving groups is closing in on recommended methods to cut down the amount of airborne silica dust generated by road-milling machines. Photo: Courtesy of Association of Equipment Manufacturers Members of an asphalt partnership last month evaluated different methods of reducing road crews’ exposure to airborne silica dust kicked up by milling machines on a highway resurfacing project near Shawano, Wis. A similar effort in the 1990s brought changes that cut fumes emitted by paving machines. “The goal is to determine exactly
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.