Work to close down the cancelled northern leg of High Speed 2 (HS2) will take three years, cost up to £100M and include the remediation of thousands of boreholes, a National Audit Office report has found.
As High Speed 2’s (HS2’s) Northolt tunnel between West Ruislip and Old Oak Common station reaches the halfway mark, contractors gear up to receive tunnel boring machines (TMBs) for the Euston tunnel this summer.
Contractors have completed the excavation of High Speed 2’s (HS2’s) Old Oak Common station underground box after three years of work and the removal of 1.3M.t of clay.
HS2 Ltd has gained consent from Buckinghamshire Council for revised plans to excavate through part of an ancient earthwork structure known as Grim’s Ditch in the Chilterns.
A High Court judge has dismissed the Environment Agency’s attempt to seek an injunction against HS2 Ltd to prevent it from carrying out earthworks at cuttings in Warwickshire.
Costain senior engineer Chris Hewett has won the British Tunnelling Society’s 2024 Harding Prize, which celebrates young tunnelling engineers.
At the 2023 GE Basements & Underground Structures conference, Mott MacDonald technical director Hock Liong Liew and Saalg Geomechanics CEO Cristian de Santos presented a case study of applying the observational method on the High Speed 2 (HS2) project.
At the 2023 GE Smart Geotechnics conference, Jacobs head of geo-digital technology David Wright gave a presentation on fibre optics technology trials for monitoring earthworks on a High Speed 2 site.
Foundation work has begun for a bridge that will take a major A road over the new High Speed 2 (HS2) railway just outside Brackley in West Northamptonshire.
All four tunnel boring machines are now working on High Speed 2’s Northolt tunnel, which is divided into two sections with different geological challenges.
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