IKT – Institute for Underground Infrastructure

Two-Meter CIPP Giant, Zero Downtime: UV-Cured GRP Relines Main Collector in Belgium

Posted 26. September 2025

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First in Belgium: a DN 2000 sewer collector that can’t stop for a second is being rehabilitated with UV-cured GRP liners. The unique twist? They have to keep a whole city running with a bypass of 13,000 m³/h while crews worked just before the treatment plant. To show how that’s engineered, international experts were invited on site. Amongst them: IKT’s Ashwini Ausekar, who shares insights from her site visit.

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Down Under: What are the performance limits of CIPP liners?

Posted 22. September 2025

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Last week, the interim results of our international LinKa – Liner for Sewers research project were presented at the headquarters of the Water Services Association of Australia (WSAA) in Melbourne. The event brought together project partners from Australia and New Zealand in a hybrid workshop setting to discuss first findings and exchange expertise. Many Questions were asked, many answers were given.

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IKT attends the China-Europe Trenchless Technology Conference

Posted 05. April 2024

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IKT’s Managing Director, Roland W. Waniek, and Scientific Director, Prof. Dr. Bert Bosseler, have attended the “China-Europe Conference on Pipelines and Trenchless Technology” at the end of March 2024, where they presented the latest IKT research results on the subject of pipe liner quality. The event was organised by Prof. Dr. Jingguo Cao from the Tianjin University of Science and Technology.

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CIPP quality: Lessons learned from 25 years of research and testing

Posted 22. November 2023

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CIPP liner quality: What is the essence of two decades of IKT’s research? Prof. Dr. Bert Bosseler, our Scientific Director, and colleagues identify the key factors that are crucial for the quality of the world’s most popular rehabilitation process for sewer pipes, Cured-in-Place-Pipes (CIPP).

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How testing CIPP liners helps sewer network owners protect their scarce money

Posted 09. May 2022

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How can you as a sewer network operator be sure that your newly installed CIPP liner is of good quality? How sure can you be that it will actually last the promised 50+ years? How can you know whether you have received the promised quality for your good money? There is a reliable yet inexpensive way to find out.

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