MGjv, a three way partnership between Galliford Try to M Crew Water, is development the Southampton Hyperlink Primary, a 19km ingesting water pipeline, for Southern Water.
The brand new underground pipeline will run from Otterbourne to Yew Hill reservoir, close to Winchester, after which south to our Rownhams water provide works at the outskirts of Southampton.
As a part of the undertaking, a operated by hand tunnel dull system (TBM) helps to dig tunnels
The TBM, referred to as Ancasta, weighs 6,500kg, is two.7 metres lengthy and is forming a 1.5-metre-wide tunnel. The pipe intensity begins at 14 metres. The tunnel paintings began in September 2025 and can proceed via to Might 2026.
Ancasta is certainly one of two handbook TBMs which might be in use at the undertaking.
The entire Southampton Hyperlink Primary undertaking will take greater than 3 years to finish and value greater than £100m. Lots of the pipeline might be laid by way of digging trenches, putting in the pipeline after which backfilling them with earth. On the other hand, in some spaces, it’ll be put in by way of digging tunnels deeper underground to keep away from disruption to primary roads, railway strains or treasured ecological websites.
Southern Water primary initiatives director Ben Ring mentioned, “The Southampton Hyperlink Primary undertaking has been beneath means because the center of 2025 and there are lots of thrilling sides to primary initiatives similar to those. This is a part of a much broader set of initiatives designed to enhance the resilience of our water community for our shoppers in Hampshire. The undertaking may also supply long run resilience for the Check and Itchen rivers and their natural world.”
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