John M. Stolz, PE
Principal
John Stolz oversees cost estimating and risk assessment services for Jacobs Associates from the firm’s San Francisco headquarters. With over 30 years in the underground construction industry, Mr. Stolz draws upon his construction contracting field experience, competitive and conceptual cost estimating skills, understanding of construction contract language, and construction claims analysis skills in providing client services. His expertise encompasses cost estimating and risk assessment, specifications and constructability review, value engineering, underground design, claims analysis and resolution, and expert witness testimony.
Mr. Stolz has contributed to almost all of Jacobs Associates’ recent major projects, including the New Irvington Tunnel Project in Alameda County, the Caldecott Improvement Project in Alameda and Contra Costa counties, and the Bay Tunnel Pipeline in San Francisco, California, as well as the University Link in Seattle, Washington. Major projects for which he is currently overseeing the preparation of underground construction estimates include the San Francisco Central Subway Project, the Ottawa Light Rail Transit Project, Tunney’s Pasture to Blair Station in downtown Ottawa, Ontario, and the North Link Tunnel contracts in Seattle, Washington. Mr. Stolz is also the tunnel design manager for the California High Speed Rail segment between San Jose and Merced, which is expected to include five tunnels totaling some 64,000 route feet of twin-bore tunnel.
Mr. Stolz has published a number of technical papers and made presentations on the subjects of cost estimating, uncertainty, and risk; contract language and its effect on bids; and escalation and its treatment in measurement and payment clauses. He also researched and prepared the Guide Specification and Three-Party Agreement sections for the Dispute Review Board Foundation’s 2004 update to the Practices and Procedures Manual. He is a registered professional civil professional engineer in the State of California, and he has a BS in Mining Engineering from the Colorado School of Mines.


