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CONCRETE PIPES AND MANHOLES94 CPI %u2013 Concrete Plant International %u2013 3 | 2025 www.cpi-worldwide.comof self-compacting concrete at bauma 2004. This astounded people and provoked a lot of doubts, but it definitely attracted attention. A detailed report about the production of the new manhole bases was published for the first time in CPI 4/2004. The manufacturing system is now used worldwide and the Perfect brand has become synonymous with high quality concrete manhole bases.After its rapid market penetration into many European countries within just three years, the Perfect Base system was once again the focus of the Schl%u00fcsselbauer Technology display in 2007. The last remaining doubts in the specialist world of precast component manufacturers had been dispelled and the pioneering role of this process had been confirmed by various %u201cfast follower projects%u201d. Schl%u00fcsselbauer continued developing the system further, meaning that Perfect products were available in most European countries after just a few years, with the range covering sizes from DN800 to DN2100 on a country-specific basis.For both visitors and exhibitors, bauma 2010 was affected by the ash from Iceland%u2019s Eyjafjallaj%u00f6kull volcano, which had a huge impact on international air traffic. For the bauma visitors that made it to Munich in spite of the difficulties, Schl%u00fcsselbauer unveiled the early phase of the concept development for the next pioneering innovation: Perfect Pipe. This innovative system in pipeline construction for wastewater discharge combined the benefits of robust concrete pipes and resistant plastic liners. The Austrian family company and engineering entrepreneur demonstrated its innovative strength once again.In 2013, the new Perfect Pipe wastewater pipe system was ready for the market for applications up to DN 1200 at this point. The nominal width range has since been extended up to an internal diameter of 1500 mm. In order to offer a comOne of the first largely automated Perfect Base production plants installed at HABA Beton, one of Europe%u2019s leading providers of concrete pipes and manholes.One of the hot wire saw lines, which are used to manufacture complete channel formations with only a few manual steps. The ideal suitability of the new Perfect Pipe concrete-plastic hybrid pipe, particularly for trenchless installation, could already be seen in 2010.