Photo Courtesy of MESA Associates The NRC is requiring containment structure for Watt's Bar reactor before licensure. The Tennessee Valley Authority was set to begin pouring the concrete foundation in late August for a 12,000-sq-ft reactor containment structure at its Brown's Ferry nuclear powerplant in Alabama that is being designed to withstand a 10,000-year earthquake and 300-mph winds. Specifications for the building, known as FLEX, were developed by the U.S. Nuclear Regulatory Commission from lessons learned after the 2011 Fukushima accident in Japan."It's an entirely new layer of protection to be used for a beyond-design flood, earthquake or tornado," says
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.