Our tunnelling team combines an immense wealth of multi-disciplinary technical and management expertise that enables us to take care of every detail involved in tunnel planning, design, construction, operation and maintenance. Here we highlight some of our key areas of expertise.

Materials technology
From concrete and cement, thermoplastics and corrosion resistant alloys to durable reinforcement and high performance coating and lining systems, our expertise covers the full range of tunnel construction materials

Project management
At every stage throughout a project’s lifecycle, we work alongside our clients to manage the complete project or provide technical and managerial services to achieve successful delivery

Risk management
From research and advice for private sector projects to due diligence and project lifetime monitoring for project financiers – we provide the full spectrum of risk management services

Fire and life safety
A world leader in fire and life safety, we provide leading edge skills in a wide range of areas from smoke modelling, ventilation and cooling to fire safety and evacuation procedures

Geotechnics
From the geomorphology of landslips to the advanced numerical analysis of ground-structure interaction in urban tunnelling projects – we’re well equipped to manage ground related risks and add value to projects

Tunnel ventilation and aerodynamics
At the forefront of ventilation system design, our advanced skills in aerodynamic and thermodynamic analysis address systems in normal, congested and emergency mode

Ground movement
As experts on underground structures, we have extensive knowledge and experience in predicting and controlling ground movements in all ground conditions

Tunnel refurbishment
Our wide ranging experience in tunnel inspection, maintenance, repair and rehabilitation – coupled with the range of disciplines available within Mott MacDonald – means we are well placed to provide a comprehensive service.

Tunnel systems
Backed by a full complement of tunnel systems experts, we’re able to fully address the inter-relationships between tunnel design, optimum system performance and passenger safety

Project finance: technical advisor and due diligence
From rail to road, we act as technical advisor to funders, promoters, bidders and sponsors to achieve financial close of robust projects. Our portfolio includes new concessions, asset acquistion and equity buy-in.