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DAS Micro CellProject watch: a look at Sizewell C and the Thames Tideway Tunnel
Project watch: a look at Sizewell C and the Thames Tideway Tunnel
Sizewell C
The UK government has pledged a further £170m to speed up construction of the upcoming Sizewell C nuclear power plant.
With the UK’s ageing fleet of eight nuclear power stations needing replacement, and only EDF’s Hinkley Point C undergoing construction, Sizewell C will play an important role in backing up renewable energy in the switch away from fossil fuels. It is anticipated it will provide 7 per cent of the UK’s electricity needs.
The Department for Energy Security and Net Zero said the funding for Sizewell C would be used to prepare the site for future construction, procure key components from the project’s supply chain and expand its workforce.
The funding announcement came as Great British Nuclear was launched, a public body established to help deliver the UK’s nuclear programme. It has a goal of providing 24GW of nuclear power by 2050.
Sizewell C
Location: Suffolk, UK
Completion date: 2034-36
Current project value: £20bn
In summary: EDF project to build a 3,200MWe nuclear power station with two EPR reactors.
Sizewell C / EDF
Image credit: EDF
Thames Tideway Tunnel
Builders of London’s super sewer marked another milestone with completion of a 4.5km connection tunnel between Greenwich and Bermondsey. Secondary lining of the tunnel to tackle the problem of sewage overflow into the River Thames and direct flows into the main Thames Tideway Tunnel is now finished.
The 180mm-thick concrete lining should ensure London’s new super sewer will last for at least 120 years. Six shutters were used to form a circular mould for the concrete with 104 lining cycles carried out in total on the connection tunnel, which starts at Greenwich pumping station and stretches to Chambers Wharf, where it links with the new super sewer. To minimise the impact of the work, the thickness of the concrete lining was reduced during the design stage, making significant carbon savings.
During the lining work, which began in July 2022 and was completed in July 2023, an innovative bogie system was used to enable the shutters to be moved independently without relying on the traditional rail mounted system.
“Finishing the lining of the Greenwich connection tunnel brings us one major step closer to cleaning up the River Thames, and by adding a second layer of concrete we ensure the tunnel is robust to last for the next century,” said Mousa Khalifeh, deputy delivery manager, eastern section. “Credit to the teams below ground who have continually improved production methods and efficiency and successfully managed to line the tunnel in just over a year.”
Thames Tideway Tunnel
Location: London, UK
Completion date: 2025
Current project value: £4.5bn
In summary: 25km long and 7.2m in diameter, the Thames Tideway Tunnel is designed to protect the river for at least 120 years.
Sizewell C
The UK government has pledged a further £170m to speed up construction of the upcoming Sizewell C nuclear power plant.
With the UK’s ageing fleet of eight nuclear power stations needing replacement, and only EDF’s Hinkley Point C undergoing construction, Sizewell C will play an important role in backing up renewable energy in the switch away from fossil fuels. It is anticipated it will provide 7 per cent of the UK’s electricity needs.
The Department for Energy Security and Net Zero said the funding for Sizewell C would be used to prepare the site for future construction, procure key components from the project’s supply chain and expand its workforce.
The funding announcement came as Great British Nuclear was launched, a public body established to help deliver the UK’s nuclear programme. It has a goal of providing 24GW of nuclear power by 2050.
Sizewell C
Location: Suffolk, UK
Completion date: 2034-36
Current project value: £20bn
In summary: EDF project to build a 3,200MWe nuclear power station with two EPR reactors.
Sizewell C / EDF
Image credit: EDF
Thames Tideway Tunnel
Builders of London’s super sewer marked another milestone with completion of a 4.5km connection tunnel between Greenwich and Bermondsey. Secondary lining of the tunnel to tackle the problem of sewage overflow into the River Thames and direct flows into the main Thames Tideway Tunnel is now finished.
The 180mm-thick concrete lining should ensure London’s new super sewer will last for at least 120 years. Six shutters were used to form a circular mould for the concrete with 104 lining cycles carried out in total on the connection tunnel, which starts at Greenwich pumping station and stretches to Chambers Wharf, where it links with the new super sewer. To minimise the impact of the work, the thickness of the concrete lining was reduced during the design stage, making significant carbon savings.
During the lining work, which began in July 2022 and was completed in July 2023, an innovative bogie system was used to enable the shutters to be moved independently without relying on the traditional rail mounted system.
“Finishing the lining of the Greenwich connection tunnel brings us one major step closer to cleaning up the River Thames, and by adding a second layer of concrete we ensure the tunnel is robust to last for the next century,” said Mousa Khalifeh, deputy delivery manager, eastern section. “Credit to the teams below ground who have continually improved production methods and efficiency and successfully managed to line the tunnel in just over a year.”
Thames Tideway Tunnel
Location: London, UK
Completion date: 2025
Current project value: £4.5bn
In summary: 25km long and 7.2m in diameter, the Thames Tideway Tunnel is designed to protect the river for at least 120 years.
Tim Fryerhttps://eandt.theiet.org/rss
https://eandt.theiet.org/content/articles/2023/10/project-watch-a-look-at-sizewell-c-and-the-thames-tideway-tunnel/
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