IKT – Institute for Underground Infrastructure

International Research Project: IKT Tests Passive Root Protection Measures in a Globally Unique Experimental Setup

Posted 04. September 2019

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Two men in front of information board cutting red rope

Sewers and tree roots—this gets the alarm bells ringing for pipe network operators, because with root ingress, for example into sewers is something they are struggling with almost daily. In other networks, such as district heating, gas or drinking water, the roots around pipes are more problematic, as they can transfer enormous loading during storms, for example. You don’t want roots in the pipe trench and especially within the pipes. …

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IKT Compare: Can Short Liners Repair House Connections?

Posted 31. October 2018

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Short liners are often the first choice for repairing local damage in house connections. But, can they deal with seriously damaged pipes? The results of the new IKT-Compare project “Short Liner for House Connections” are now available.

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Inspecting pressure sewer pipes: Potential, requirements and results

Posted 17. June 2016

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Pressure sewer pipes are well down a sewer operator’s list of their favourite parts of the network. Because there are no inspection or maintenance ports. Because the precise location of the pipe is often not known. Because numerous bends obstruct the flow. They can be found in practically all drain and sewer networks, but their characteristics and their special design confront sewer network operators with a real challenge when it…

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Manhole Rehabilitation: Comparative testing of 13 different methods

Posted 14. June 2016

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manholes in IKT's large-scale test facility

Can wastewater manholes be rehabilitated so that they remain permanently watertight? What are the benefits and the drawbacks of mortar coating, plastic coating and lining. What quality can be expected? This first comparative product test in this field gives you the answers!

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Handling of drainage-system water from private sites

Posted 12. November 2014

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The discharge of site and drainage-system water into the public sewer network is expressly prohibited in the majority of waste-water regulations in North Rhine-Westphalia. In many municipalities there are, nonetheless, numerous such drainage connections. How, then, should this issue be handled at local level? A guideline drafted by the IKT and the NRW Municipal Agency (KommunalAgenturNRW) provides orientation. There can be a range of reasons for connected water-drainage systems. It…

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Municipal PR activities on private waste-water systems

Posted 11. January 2014

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In Phase 1 of this project for the Environment Ministry of the state of NRW, the tools and materials used to provide the public with information about private sewer pipes are to be refined. Various new mechanisms and tools are to be created or further developed for this purpose. In addition, an aid to decision making about the refurbishing of site drainage systems is to be developed to assist owners…

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