Photo Courtesy of San Francisco Public Utilities Commission Two ancient landslides were discovered during excavation for the new Calaveras Dam, requiring an additional 3.5 million cu yd of excavation and adding significantly to the project's budget. Related Links: Water Pipeline Designed to Surf Seismic Waves Seismic Upgrade of San Francisco's Water System a Race Against Time Huge Gates Take 600-mile Trek to California Dam Site With a budget of $718 million, the Calaveras Dam Replacement dwarfs other projects in SFPUC's Water System Improvement Program. Located in the Sunol Valley southeast of Fremont, the project replaces the original dam, built in
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.