Specialist areas of expertise:
Tunnelling design, construction methodology, site assurance

Jules Boyd BEng (Hons) ACSM is a world authority on tunnelling with over 30 years of experience in major tunnelling programmes across a wide range of geological and ground conditions. He has worked on some of Europe’s largest and most complex tunnelling projects, including Crossrail, the Channel Tunnel and Heathrow Terminal 4 Station for the Heathrow Express in the UK; the Citytunneln (City Tunnel) project in Malmø, Sweden; and the Nørreport Transfer Tunnel for the Copenhagen Metro in Denmark.

Jules was Construction Manager for Crossrail’s Whitechapel and Liverpool Street stations, two of the most complex and challenging tunnelling environments on the project. The stations included many kilometres of specialist sprayed concrete lining (SCL) and bored tunnelling.

Jules is currently providing expert advice on buildability, commercial packaging, enabling works and construction logistics to London’s Lower Thames Crossing project, a proposed new road linking Kent and Essex, that will include the longest road tunnel in the UK and the third-largest bored tunnel in the world.

Jules commenced his career as a mining engineer on the Channel Tunnel project at Dover, Kent in 1988. Since then, he has worked on major tunnelling projects throughout the UK and Scandinavia, notably the Great Belt Fixed Link and the Copenhagen Metro in Denmark where he led a team of site-based construction inspectors to supervise the design, establishment and NATM (New Austrian Tunnelling Method) construction of nine sites throughout the heart of the capital.

Jules holds a BEng (Hons) in Mining Engineering and an Associateship of the Camborne School of Mines (ACSM).


To contact Jules about tunnelling, please email

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