Stiver Engineering prides itself on creating thorough and thoughtful designs that consider all necessary precautions to protect the health and safety of all workers on a site. However, we also understand that sometimes, when working in challenging conditions, emergency situations arise and design plans are needed in expedited fashion. We offer rapid design delivery for tunnel access shafts and rescue shafts, as well as designs for subterranean structures, subsea structures and other special use projects. Whether for access shafts or tunnels, Stiver’s experienced team can step in and deliver comprehensive designs that meet urgent needs.