Underground and Geotechnical Engineering Services

Our underground and geotechnical engineering team assists clients with all phases of the project life cycle to build resilient infrastructure. We leverage our expertise in investigating and providing solutions to create tunnels, shafts, and other underground space projects, along with slope and bluff engineering for transportation, water, and government clients.

TKDA recently acquired CNA Consulting Engineers, which broadened our geotechnical and underground engineering services. Learn more about the acquisition here.

Tunnel and Shaft Design

Our engineers are tunnel experts with experience nationwide and a vast knowledge of construction techniques and equipment for both new construction and rehabilitation projects. To help our clients build resilient infrastructure, our capabilities include concrete liner replacement, void filling, crack sealing, cured-in-place lining, grouting, and settlement remediation.

Slope and Bluff Engineering

To protect our infrastructure and the surrounding environment, our engineers perform thorough analyses of structures in slope and bluff environments. We design and construct appropriate stabilization systems to maintain the stability of slopes, protect existing structures, and prevent erosion so this infrastructure lasts long-term.

Groundwater Control and Waterproofing

Our team designs effective groundwater control and waterproofing systems for a variety of underground applications, including airport, pedestrian, transportation, and utility tunnels, along with other occupied underground spaces.

Occupied Underground Space

Our engineers utilize advanced analysis and design methods to develop large underground caverns, mines, and other functional subterranean spaces.

Site Investigation and Risk Assessment

Our projects rely on in-house investigations and assessments, including risk assessments, geotechnical investigations, and geotechnical baseline, data, and design reports.

Trenchless Design

Our engineers have the design expertise and technology to utilize trenchless techniques, allowing for minimal disruptions to the surface area. Our techniques include conventional tunneling, pipe jacking, microtunneling, and horizontal directional drilling.

Movement and Vibration Assessment

We use our expertise to assess and monitor vibration and sound. Before construction, assessments are used to see potential structural damage caused by construction. Throughout construction, we monitor movements and vibrations that impact the surrounding areas.

Our Culture

We want you to be involved! You will be encouraged to share your ideas, ask questions, and express your opinions. Our employee-owned culture fosters collaboration, knowledge-sharing, and open communication. Whether you are just starting out or you have years of experience, you will find a challenging and rewarding career at TKDA where your contributions will be recognized and rewarded. We’re always looking for great talent to join our teams.