The Massachusetts Bay Transportation Authority announced on Aug. 2 that it plans to delay construction of the $1-billion Green Line extension to Somerville and Medford until fall 2018 or as late as summer 2020.It plans to purchase the required land and obtain permits before putting out a bid for design and construction to avoid loss of time and money—which happened to a commuter-rail project completed south of Boston in 2007. A day after the announcement, the city of Somerville circulated a petition stating that a four-year delay was unacceptable and demanded an accurate timeline for the project. It noted, “The
Mass. Department of Transportation crews have completed installation of high-strength support straps on approximately 25,000 tunnel light fixtures in the Boston Big Dig Central Artery tunnels as a safety measure.The system was developed as a temporary three-to-five-year solution to the tunnel light corrosion issues while engineers evaluate options for a long-term solution, the agency noted in a July 25 press release..Paul Norton, principal at TranSystems in Boston, which served as transportation consultant for Mass DOT, says the high-strength polymer support strapping wraps around the entire lighting fixture and engages the steel Unistrut structure. “We studied 10 alternatives based on cost,
When Turner Construction Co. introduced business information modeling (BIM) for building the new University Medical Center of Princeton, it immediately inspired a medical metaphor for the owner: brain imaging technology used by neurosurgeons. Barry Rabner, president and CEO of Princeton Healthcare System, the owner of the Plainsboro, N.J.-based medical center, compared BIM to how neurosurgeons inject blood vessels with dye and rotate images of the brain on an axis. “As the owner we wanted to keep costs as low as possible while maximizing usable space,” he says. “BIM helped reconcile those needs.”That was only the beginning of the collaboration process
Workers on the Humpback Bridge replacement, located on the George Washington Memorial Parkway just north of Interstate 395 and immediately south of the Columbia Island Marina, are closing in on the final round of safety improvements. In the process, they are preserving the grace of the bridge's original stone arch structure, says Chris Scott, a general manager for Cianbro, Pittsfield, Maine, the construction firm working on the job. Courtesy of Cianbro OLD BRIDGE, NEW IMPROVEMENTS Workers are slated to complete the bridge improvements by the end of this month. Workers on the Humpback Bridge replacement, located on the George Washington
Massachusetts Secretary of Transportation Jeffrey Mullan is planning to step down from his post, according to the governor's office. Although the exact date of his transition is not yet clear, the news of his departure comes amid a string of executive exits from the agency over its handling of safety and structural problems in Boston's $14- billion “Big Dig” central artery project.The Boston Globe, citing anonymous sources, reported that Mullan's departure was decided before the most recent controversy over MassDOT's handling of a 110-lb light fixture that fell in a Big Dig tunnel in February.Mullan was not available to comment
Massachusetts Secretary of Transportation Jeffrey Mullan says reports about his resignation this fall are premature, according to an email from a Mass. DOT spokesman today. Related Links: MassDOT Study Blames Salt For Big Dig's Fallen Light Fixture MassDOT Administrator Out After Latest Big Dig Mishap “In May, I discussed with the Governor my intention to transition from the administration within the year for personal reasons,” Mullan states in the email. “However, we made no final decisions regarding my future at that time. While I still intend to transition out this year, I have made no final plans. I am fully
In preliminary discussions with Cape Wind, Siemens Energy has offered to provide debt and equity financing for up to $2.6 billion for the alternative energy supplier’s proposed 130-turbine, 468-MW wind farm off the Massachusetts coast. Cape Wind agreed to purchase 130 of Siemen’s 3.6 MW turbines from Cape Wind last March, according to Mark Rodgers, spokesman for Cape Wind.“Nothing is finalized, but we appreciate the expression of interest,” Rodgers says.“We’ve always made it clear that we are not only willing but also capable of helping to support the whole project,” said Josef Kaeser, chief financial officer of Munich-based Siemens at
While contractor staff salaries are static and salary increases have reached record-low levels, recruiters say hiring is improving modestly. Heavy industrial, highway and heavy civil construction are showing positive signs, with compensation requests from wind and solar, says Jeff Robinson, president of construction-compensation consultant Personnel Administration Services Inc., Saline, Mich. Related Links: View the Full ENR 2011 Second Quarter Cost Report Hard Times Draw the Line for Bargaining How John Deere's New Hybrid Wheel Loaders Get Their Juice Creating Cash from Trash Floods Disrupt Deliveries Fears About the Economyu Shake Industry A Deep and Dogged Recession Will Take a Bite
Following the Fukushima Daiichi nuclear reactor crisis in Japan, the U.S. nuclear industry is more closely scrutinizing existing facilities, and long-standing problems are placing some plants under the microscope . Courtesy of Progress Energy Crystal River plant has cracks in walls. Courtesy of NextEra Energy Engineers note alkali silica reaction at Seabrook. “U.S. nuclear facilities are under constant inspection regimens, but since the earthquake we are going at it even stronger,” says Mitch Singer, spokesman for the Nuclear Energy Institute, a Washington, D.C.-based industry organization.In one example, Progress Energy's Crystal River plant in Florida—offline since September 2009 for a refueling
Two U.S. steel fabricators and a German pipe manufacturer have announced the formation of a joint venture to produce components for the 130-turbine Cape Wind farm in development off Nantucket Sound and other offshore wind farms emerging along the East Coast. EEW Group Monopile foundations at at EEW's Rostock, Germany facility, similar to the facility that will be built in Massachusetts to serve nascent offshore wind industry off the U.S. Atlantic coast. Related Links: Building Cape Wind Wont Be a Breeze Offshore Support for Onshore Wind “The announcement signals the beginning of a domestic supply chain that will create new