SOURCE: ACI 318-11 Structural concrete building code In a response to Bostons Big Dig failure, overhead, horizontal and slanted panels, installed using adhesive anchors, are included in the 2011 concrete standard for the first time. There are radical changes in the works for the concrete design standard of the American Concrete Institute. ACI committee members are about halfway through a six-year overhaul of the 502-page tome, aiming to validate its content and make it more user-friendly. It is the first major revamp in nearly 45 years.In a big departure, the 2014 edition of the ACI 318: Structural Concrete Building Code,
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.