Thirty-two years after the last polychlorinated biphenyls (PCBs) were discharged into the Hudson River from manufacturing complexes, General Electric Co. began dredging on May 15 to remove 400,000 tons of contaminated sediment along a six-mile stretch near Fort Edward, N.Y. Additional dredging is planned downriver along a 34-mile section to Troy for a 2015 completion. + Image Source: General Electric Co. Drainage gallery will collect seeping PCBs for treatment and disposal. Related Links: Perdido Shatters Deepsea Records Fairfield, Conn.-based GE has not released costs, but the U.S. Environmental Protection Agency estimates total cleanup at about $750 million. Additionally, New York
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.