The likely cause of the Dec. 22, 2008, collapse of a coal-ash pond at a Knoxville, Tenn., powerplant that contaminated a stretch of river differs from what the plant’s owner and hired engineer disclosed last month, according to independent engineering analyses and reviews. The new studies point to other factors, including mismanagement and water pressure, as more likely catalysts than the reason cited by the Tennessee Valley Authority. Photo: TVA Failure of Tennesee coal-ash impoundment may cost $1 billion to clean up. In a July 28 report, Marshall Miller & Associates, a Raleigh, N.C. engineering firm, says the “root-cause” analysis
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.