How can you ensure safety in tunnels?

Adequate ventilation is essential in tunneling to remove contaminated air, fumes, and smoke created. Stiver Engineering is prepared to take on your site's difficulties when it comes to tunnel design projects. We've dealt with everything from mixed-face tunnel designs to earth pressure balance tunneling equipment. Our access shaft designs can be altered to suit your project's needs, whether you're jacking a pipe into place, installing one for utility use, or starting a tunnel.