Jacobs Associates specializes in design and construction engineering services for underground projects, with an emphasis on tunnels. From project planning to construction, we provide a host of design and consulting services both directly for government agencies and private owners and as a sub-consultant to other engineering firms. Our designs consider construction methods ranging from open-beam TBMs for hard rock tunnels, shielded rock machines, earth pressure balance and slurry machines for soft ground, and NATM techniques. We are one of the world’s acknowledged experts in the design of high-pressure water tunnels, portal stability, deep shaft designs, building protection measures, and grouting for rock and soft ground tunnels.

What sets us apart from our competitors?

Our staff has advanced design capabilities coupled with practical construction experience. Our project approach combines attention to detail and accuracy of engineering with a thorough understanding of the physical realities of construction. One of our primary strengths is our ability to identify and mitigate risks for our clients through developing drawings, specifications, cost estimates, and contractual terms that are tailored to underground construction. In particular, the diversified nature of our technical expertise in all aspects of our organization, including dispute resolution and construction management, allows us to provide recommendations for contract provisions resulting in lower risk, more economical bid prices that minimize the potential for construction disputes. Our technical experts have contributed to cutting edge technology in many areas of the underground industry.