Gas networks
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National Grid slides 5km gas pipe under the River Humber
National Grid has completed the insertion of a 5-kilometre steel gas pipeline through a new tunnel under the River Humber. The tunnel, measuring 3.65 metres in diameter, was built 30 metres below the river to replace an old trench-laid pipe that had become exposed over time. See a video tracking the project.
5 years ago

RIIO2: All the pieces matter
5 years ago
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