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TBM launched for Harefield Southall pipeline

tbm “elizabeth” on the harefield southall pipeline diversion project

J Murphy and Sons has launched TBM “Elizabeth” on the Harefield Southall Pipeline Diversion project.

The project involves the diversion of two high pressure gas pipeline to make way for the construction of HS2

Contracted by Cadent, Murphy with Joseph Gallagher have already constructed two shafts using the diaphragm wall technique. A 300m long, 1.8m diameter tunnel will now be constructed between the shafts using an Iseki tunnel boring machine.

Murphy project manager Mick Boyle said “Months of planning and collaborative working with Cadent and HS2 has helped us achieve this milestone. Thanks to the ‘one Murphy’ ethos we have been able to make good use of the extensive skillset across all parts of the Murphy business which has been pivotal in helping us achieve our goals.”  

The project has recorded over 235,000 working hours.

Joseph Gallagher director Paul Gallagher added: “I speak on behalf of the entire Joseph Gallagher group when I say it is with great pride that months of collaborative endeavours, between all parties, has come together to facilitate the launch of ‘Elizabeth’.” 

Work is ongoing and is due to be completed October 2019.

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