Balfour Beatty is a leading international infrastructure group. We finance, develop, build and maintain the vital infrastructure that we all depend on.
Internal-ring-propping (IRP) is nothing out of the ordinary and used on many projects to support the main tunnel while excavating a cross-passage. However, Balfour Beatty’s IRP system for Hinkley Point C Offshore Connections, which sits just 20,000 mm under the Bristol Channel, is one of a kind.
In their presentation, James Long and Christoph Huber will give an overview of the tunnel-shaft connections and share their journey through the requirements for the design, manufacturing, and installation phase of this unique propping-system at Hinkley Point C.
agent steel structures: tunnel-shaft connection
Christoph's journey in the tunnelling business started over 12 years ago during an internship on Crossrail Easter Running Tunnels with Dr. Sauer. Ever since he found his passion underground and worked for BeMo Tunnelling on several tunnel projects in Austria, Germany, and the UK. Most recently he is (again) seconded to Balfour Beatty's HPC marine works team. Initially, he supported the SCL onshore works, and now he is responsible for preparing the TBM-Tunnels for the offshore SCL campaign.
principal engineer: temporary works coordinator
James has worked in the construction industry for 13 years and is a chartered civil engineer with the ICE. He joined Balfour Beatty as a temporary works coordinator on the Hinkley Marine project in 2019 when they were preparing to launch the first of three TBMs. Since then, he has delivered a number of large and complex pieces of temporary works and contributed to the constructability of the permanent works design for the tunnel-shaft connections. James is now a principal engineer and co-leads the temporary works and methods team at Hinkley Marine Works.
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Join the ICE and ICSI for the seventh lecture in the 14th Brunel International Lecture Series, which will shine a spotlight on equitable, sustainable, and resilient infrastructure challenges in South Asia.