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Ice Pigging: New Water, Sewer Pigging Method Offers Unique Benefits

January 15, 2014
Underground Construction discusses the benefits of a new type of pigging that utilizes ice slurry.

"The ice works much like a glacier,” said Kirt Ervin, P.E., Utility Service’s vice president of water quality. "It does not bulldoze the sediment; rather it picks up the sediments within the slurry and carries them out of the main, greatly reducing the amount of water used in the process. Cleaning by ice pigging is comparable to swabbing, and it provides up to 1,000 times more cleaning effectiveness than using water alone.”

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