As part of the works on the reconstruction of Zagreb International Airport, IND-EKO rehabilitated the wastewater system by employing trenchless technology. The aim of the project was the rehabilitation of the existing faecal sewer system in order to ensure water-tightness under all applicable standards and statutory requirements. The sewer system lies within Zagreb International Airport complex.
More than 1,500 m of pipes were rehabilitated by employing the cured-in-place-pipe (CIPP) method, which means a resin saturated lining tube is installed in the pipelines. A portion of the sewer system (200 m) was rehabilitated by way of the traditional dig-and-replace method. The project also included the rehabilitation of over 130 manholes.
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