All2plan is a tunnel design and consultancy company founded by Dr Alun Thomas.

With specialist knowledge in the design of sprayed concrete lined tunnels (SCL/NATM) and segmentally lined tunnels, built by hand or with TBMs, our skills are applicable to all types of tunnels in all sorts of ground conditions, from hard rock to soft ground. The services that we offer range from brainstorming design concepts, value engineering, peer reviews, detailed design and independent checking to business development, marketing, sustainability (including carbon footprint calculations) and bidding. In addition we offer mentoring and training in both technical and non-technical skills.

info@all2plan.com