R. John Caulfield, PE, GE
Principal
John Caulfield has 27 years of experience in the tunneling and underground structures industry. He has worked within a variety of organizations, including engineering consultants, heavy civil and tunnel contractors, and public agencies/utilities. Mr. Caulfield has undertaken jobs involving water and wastewater tunnels, mass transit systems, pipelines, shafts, seismic retrofits, rehabilitations, deep excavation support systems, slope stabilization, and highways. He has extensive design and project management experience and has coordinated work on large multidisciplinary teams, served as resident engineer during construction, and provided construction dispute resolution services.
Mr. Caulfield has a strong background of team leadership and project management. A principal of Jacobs Associates and based in the San Francisco Headquarters, he is currently the project manager for design and construction support services of the San Francisco Public Utilities Commission’s (SFPUC) 5-mile-long (8 km) Bay Tunnel. The tunnel is a primary component of the $4.6 billion upgrade of the Hetch Hetchy Water System. He is also currently the tunnel design oversight manager for the SFMTA’s Central Subway Project, the largest contract package of the $1.58 billion, 1.7-mile-long light rail transit extension of San Francisco’s T Third Line.
Other notable projects that Mr. Caulfield has been involved with include the East Bay Municipal Utility District’s Claremont Tunnel Seismic Upgrade, where he was the project manager for design and construction support services, and the Manapouri Second Tailrace Tunnel in New Zealand, where he worked as project engineer for a 6-mile-long (10 km) TBM-driven tunnel at the country’s largest hydroelectric power station (700 MW).
Mr. Caulfield earned his MS in Civil Engineering from Stanford University in Palo Alto, California, and his BS in Civil Engineering from the University of California, Berkeley. He has published numerous technical papers on tunnel design and construction. He holds professional licenses in civil and geotechnical engineering from the state of California and in structural engineering from the state of Utah.


