Hinkley Point C Tunnel Shaft Connection Works
The Mining Institute of Scotland (MIS) are pleased to announce their April meeting which will be delivered by Hollie Hood, Principal Geotechnical Engineer at BAM Ritchies.
Hinkley Point C is the first nuclear power station to be built in the UK in a generation. In 2020, BAM Ritchies was commissioned by Balfour Beatty as a specialist consultant for work on the cooling water tunnels that extend 3km out underneath the Bristol Channel. The scope involved developing a successful methodology to treat the rock mass between the constructed TBM tunnels and the future locations of the shafts in the bedrock prior to Balfour Beatty driving adits to connect the two. The adits are 33m below the seabed of the Bristol Channel and the rock mass treatment works were required to reduce water ingress during the adit connection works, providing a safe working environment and more stable, predictable ground conditions. These shafts and tunnels will later provide 120,000 litres/second cooling water to the nuclear reactors and discharge this back into the Bristol Channel. The presentation will outline these critical and complex preparatory works and describe the methodology for the ground investigation (GI) and pressure grouting works to allow the subsequent construction works.
Hollie Hood joined BAM Ritchies as a Graduate Geotechnical Engineer and has since progressed up to Principal Engineer. She has been involved in number of complex geotechnical projects and has recently led the work at Hinkley Point C for BAM Ritchies. The project was shortlisted for the 2023 Fleming Award and Hollie has recently been listed in the Top 20 Women Ground Engineers in Ground Engineering magazine.
The lecture will delivered virtually via Zoom; please click the Book Now button at the top of the page to join the meeting.
For more information visit the MIS homepage.
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