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Ice Pigging recently performed an operation on one of the UK’s largest water and wastewater companies that was experiencing poor flows due to the sediment build-up in their raw water main carrying untreated drinking water.
The company had considered inserting a large foam swab to push out the sediment but in the end, it was decided to go ahead with Ice Pigging.
The risks associated with other methods of pipeline pigging include the pig becoming stuck or lost within the pipe, which is one risk the water company did not want to face.
Other common pigging methods can be costly and can cause long customer disruptions, however, this operation only took 3 hours from start to finish and was the most cost-effective method saving the company tens of thousands of pounds.
Operations Manager for SUEZ’s Ice Pigging team, Tony Haskins had this to say:
“This project was not unusual in its operation for us as we are cleaning pipes like this all the time. However, we don’t normally see the ice after it has been through the pipe since it goes directly to a waste tanker, so this new point of view was a real treat for us. Seeing the amount of sediment removed is always encouraging and impressive.”
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