Construction Index TV

Sun March 07 2021

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Werrington Dive Under: the big push

Over nine days between 16th and 24th January 2021 a huge concrete box was pushed under the East Coast Main Line railway.

The 11,000 tonne curved concrete box was pushed under the East Coast Main Line near Peterborough by main contractor Morgan Sindall, working for Network Rail.

The prefabricated structure forms a new rail underpass at Werrington, north of Peterborough, to enable slower moving freight trains to dive underneath the passenger route and use an adjacent line northwards.

Morgan Sindall’s team include: Mabey Hire, M O'Brien Group, Central Rail Systems Alliance, Siemens, Mammoet, Oliver Connell & Son, Aarsleff Ground Engineering, Bell Formwork & Civil Engineering Services, Tony Gee & Partners, Mott MacDonald, Jacked Structures, Pod-Trak, London Rock Supplies, Robore Cuts, EB7 Immersive and Richard Allitt Associates.

This time-lapse footage below shows the 155-metre curved concrete box tunnel being pushed into place at just 1500 mm per hour using four hydraulic jacks.

Video uploaded on 26/01/2021 12:00am. Click here to read more about this video

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