Smarting from a second emergency closure of the Oakland-San Francisco Bay Bridge in two months, the California Dept. of Transportation is exploring long-term repairs for a cracked eyebeam until the crossing’s $6.3-billion modernization is completed in 2013. Caltrans engineers are considering replacing part or all of the truss system that has a cracked eyebeam, discovered by inspectors on the 73-year-old cantilevered eastern span during a Labor Day closure. Rancho Cordova, Calif.-based C.C. Myers Inc. was installing a 288-ft detour ramp as part of the reconstruction when inspectors found the 1½ in. crack in a 2-in.-thick, chain-like steel beam. The cracked
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.