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IKT

IKT – Institute for Underground Infrastructure

IKT research project on optimising sewer cleaning

Posted 12. November 2014
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We drive our cars through the car wash only when they’re dirty – and that’s totally logical. But many operators of waste-water systems continue to clean their drains and sewers to a fixed schedule. IKT has conducted a research project into the optimisation potentials of optimising sewer cleaning strategies. Cleaning of sewers makes an important contribution to assuring the functioning of our drain and sewer systems, and accounts for a…

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Decentralised treatment of precipitation water using separation systems

Posted 12. November 2014
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Emissions-relevant requirements for treatment of precipitation water using the separation system are governed in North Rhine-Westphalia by the circular directive dated 26 May 2004 by the Ministry for Climate Protection, Environment, Agriculture, Nature Conservation and Consumer Protection (the “Separation Directive” for short). The “Decentralised treatment of precipitation water in separation systems – Implementation of the Separation Directive” research project successfully tested systems for decentralised treatment of precipitation water from Category…

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Managing the Crowded Underground

Posted 12. November 2014
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Who is responsible for our streets and roads? Who is entitled to lay pipelines, sewers and cables throughout our cities? Where in general do we find these pipes in the first place? After all, who is responsible for planning, construction and operation of our infrastructure? Claims for underground space There are many players claiming space in the underground, all with viable needs figure 1). In German cities, for example, the…

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Crowded Underground – soil and in-fill material requirements

Posted 12. November 2014
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Things are getting tight under our towns and cities! Germany has more than 2.7 million kilometres of supply and disposal cables and conduits installed underground. There are drains, sewers, gas, water and district-heating pipes, plus electricity and telecommunications cables under our streets and pavements. The use of underground space We must also add higher requirements for seepage drainage of rainwater, while streetside trees and other vegetation also demand space underground…

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Ten years of the IKT LinerReport:
Quality and transparency oblige

Posted 12. November 2014
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The IKT test centre has been publishing annual reports on the results of its CIPP liner tests since 2004. Are CIPP liners better today? What trends are apparent? And what is the current picture? There is cause for a small celebration: the IKT now presents its LinerReport, an annual overview of CIPP liner quality, for the tenth time in succession. An excellent occasion, therefore, to chance a look back at…

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Repair of main drains and sewers

Posted 12. November 2014
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Operators of waste-water systems at all times aim to achieve their refurbishing targets effectively and at the lowest possible cost. The advantage is with those who judiciously combine the various renovation and repair methods. New measuring systems now permit “before/after” comparisons, allowing the rational selection and combination of such methods. The necessary preparatory work is frequently neglected during on-site implementation, however. Repair procedures tested by IKT proved to be differingly…

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