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Cappagh to remove ‘concreteberg’ from London sewers

Cappagh concrete - Engineers using camera equipment to inspect a sewer.
Illegally dumped concrete poses a risk to local homes and businesses (Image: Thames Water)

Thames Water has contracted Cappagh to remove illegally dumped concrete from sewers in Hammersmith and Fulham.  

The utility company first identified the concrete blocking the pipework last summer. Since then, Thames Water tankers have been carrying out daily pump-outs of the sewers to prevent nearby homes and businesses from flooding while their engineers worked on the complex arrangements to remove the concrete. 

Starting on 16 February, Cappagh will work seven days a week for six weeks to excavate an area around North End Road. It will use specialist tools to break down the concrete.

Cappagh concrete - Image of a map showing diversion routes.
Sections of North End Road will close from Friday 16 February 2024 for six weeks to allow for the works to take place (Image: Thames Water)

Once the concrete is removed, Cappagh will replace affected sections of sewers. Thames Water said that it is investigating the incident and plans to progress the claim to recover all costs for the mitigation measures that have been in place, and repair of the pipework.  

Jamie Keech, area network manager for North West London at Thames Water, said: “This is not the first time we’ve seen damage caused by people pouring concrete into our sewers, which takes a great amount of resources to resolve. 

“We are working to find those who have caused this disruption to local residents and businesses, and we’d like our customers to know we will work seven days a week with our contractors and the local authority to get the road reopened as safely and quickly as possible.”  

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