Many previously identified problems continue to plague the complex waste treatment plant being built to immobilize much of the 54 million gallons of radioactive and chemical waste stored at the U.S. Energy Dept.’s Hanford site in Washington state, prompting government investigators to recommend stopping work on the $17-billion project, underway since 2002, when those problems recur.
Contractors on the $2.7-billion Silver Line Metro extension in northern Virginia will protect or replace 1,569 precast concrete panels used on five stations after multiple issues were discovered on hundreds of the panels.
In response to customer demands to deliver projects more quickly and cheaply, design firms increasingly are looking at modular design and construction to streamline the construction process.
Rehabilitation of the Herbert Hoover Dike surrounding Lake Okeechobee in Florida’s Everglades will be expedited by $50 million of state funds under an April 17 agreement between the state and the U.S. Army Corps of Engineers.