Dive summary:

• A project that had been on the drawing boards for a long time is taking shape in Oakland, Calif. – the Oakland-Airport Connector for the Bay Area Rapid Transit (BART) system, and it's taking some heavy lifting.
• The lifting involves steel trusses for a 300-foot bridge over Interstate 880, and they have to be placed at night, when one of the busiest highways in the area can be closed for a few hours.
• Bigge Crane and Rigging, based in San Leandro, is using an eight-axle, 600-ton-capacity Demag AC-500 crane for the work, with 396,000 pounds of counterweight added.

From the article:

"It makes the job a little more dangerous and extremely time-sensitive," says Chris Clark, Bigge sales representative. ...