A general contractor is installing two 550-ton sector-gate leaves in a $1.3-billion barrier designed to reduce the risk of a hurricane’s storm surge on New Orleans’ exposed eastern side. The leaves will plug a big hole in the city’s armor for the 2011 hurricane season. Photo: Courtesy of USACE Ring wall shields two 550-ton sector-gate leaves when open and braces them against storm loads when closed. Massman Construction Co., Kansas City, Mo., is installing the two 75-ft-wide, 42-ft-tall sector-gate leaves to form an armored door for a 150-ft-wide navigable passage through the 1.8-mile-long, 26-ft-plus-elevation barrier, known as the Inner Harbor
The growing need to collect, store and analyze the huge volumes of data collected from infrastructure project stakeholders is generating a new growth area for construction-sector firms, IT vendors and professionals.