Work will involve removing debris, silt and invasive species such as Zebra Mussels from 35km of raw water tunnels across West and North London.
Zebra Mussels have formed major concentrations across the network with Barhale workers braced to scrub off 140m3 of molluscs from the hardest hit tunnels. Once cleared, the tunnels will be inspected and any structural repairs will then be carried out.
Barhale Director Phil Cull said: “This is a hugely important part of London’s water infrastructure and we are delighted to get the go ahead from Thames Water.
“We have built a huge amount of expertise and experience on the Thames Water network and to be selected on this project is great vote of confidence in our team’s capabilities.”
Work is expected to complete in 2025.
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