Since it was first deployed in the U.S. seven years ago, ice pigging has proven to be a powerful, sustainable and increasingly popular cleaning method for wastewater force mains and siphons, as well as potable water distribution mains.
The accumulation of sediment fats, oils, greases and debris in wastewater collections systems clogs force mains and siphons, causing pipeline restrictions that increase energy use, lower pump efficiency and lead to sanitary sewer overflows. They can also lead to capital expenditures for increased pumping capacity or force main replacement.
Cleaning approaches like hard pigs and soft swabs present a risk because they can
