Underground piping that need to be repaired or replaced completely are a world-wide problem. Several technologies have been developed to cope with the job. Most of them imply a considerable nuisance to the environment, causing dust, noise, andeven worse, annoying traffic jams. Angerlehner; an Austrian structural and civil engineering company, has developed a genuine alternative. Using the company's patented MCS process, underground sewers can be renovated without the need of excavation works.The road surface has to be opened only at two locations - the beginning and the end of the pipeline.
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