Photo by Tim Griffith A network of five shoring and underpinning systems preserved a historic facade, rising 90 ft high in places. Related Links: 2013 Best of the Best Projects Winners Bay Area Stadium Rehab Boosts Seismic Safety A poor seismic safety rating and general deterioration prompted the University of California, Berkeley, to undertake $300 million in renovations for the California Memorial Stadium, built in 1913. Because it is sited above an active fault, engineers treated it as a series of discrete blocks, each capable of accommodating up to 2 ft of vertical and 6 ft of horizontal movement during
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.