IKT – Institute for Underground Infrastructure

IKT Comparative Test “Odour filters”

Posted 28. May 2010

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In the summer months, in particular, odour emissions from sewers cause odour nuisances and thus higher levels of complaints from residents. Sewer-system operators are in general obliged to find a remedy for such problems. Odour filters installed in waste-water manholes are coming into increasing use. In addition, further products which release special active ingredients in the waste-water manhole shaft are also used. The aim of this Comparative Test was that…

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IKT Comparative Test “Sewer lateral liners 2010”

Posted 15. May 2010

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IKT has investigated the material quality and practical usability of CIPP liner products for sewer laterals in the context of an extensive programme of tests. Practically orientated tests performed in the test pipes at the IKT’s large-scale test facility were the focus of this programme. The IKT Comparative Test “Sewer lateral liners” provides drain/sewer operators with reliable and impartial information on the product properties of commercially available refurbishing procedures.

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IKT Comparative Test
“Repair methods for main sewers”

Posted 23. August 2009

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Many waste-water system operators are unsure of what can be achieved by main sewer repair methods and what quality is attainable. Twelve different techniques from the three groups of methods: “Injection/grouting + injection methods”, “Short-liners” and “Internal sleeves” have been comparatively tested under defined and replicable conditions using the IKT Comparative Test “Repair methods for main sewers”. The principal focus was the testing of the techniques in IKT test rigs…

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IKT Comparative Test
“Sewer lateral liners 2005”

Posted 22. November 2005

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This IKT Comparative Test assesses the suitability and the practical usability of CIPP liners available on the market for sewer laterals. The central focus is on highly practically orientated comparison of the products, in order to be able to provide waste-water system operators with impartial and technically substantiated information on the strengths, weaknesses and potentials/limitations for use of the products tested. The test programme itself has been developed jointly with…

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IKT Comparative Test
“Inspection systems for site drainage networks”

Posted 24. October 2005

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This IKT Comparative Test clarifies how the various inspection systems for site drainage available on the market meet the demands placed on them and reveals specific strengths and weaknesses in each system. All the systems tested were found to be basically suitable for the inspection of site drainage networks.

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IKT Comparative Test
“Repair methods for sewer lateral connections”

Posted 17. August 2004

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Damage to the lateral connections on main sewers is a frequent occurrence. Common types include intruding and detached damaged connecting lines and cracks and/or spalling around the lateral connections. Injection and top-hat section methods for the repair of sewer lateral connections have been tested to the limit in an IKT Comparative Test. The assessment criteria were the system tests performed by IKT in test lengths, the method suppliers’ Quality Assurance…

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