Withstanding the pressure: liners for pressure sewers put to the test
Pressure sewer pipes like gravity sewers that are getting on in years need to be renovated. But, which methods are suitable? What are their strengths and weaknesses? The recent IKT comparative product test on pressure sewer liners provides answers. Pressure sewers are critical and sensitive elements of urban wastewater infrastructure. Many are ageing so sewer network owners are increasingly having to deal with their rehabilitation and there are different methods available on the market…