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Author(s):	Fentzloff, Wolfgang; Rothe, Stefanie; Stahn, Christian; Papantonakis, Dimitrios
Title:	BIM meets Lean - Logistics study of a long tunnel using BIM and Lean methods / BIM und Lean im Doppelpack - Logistikuntersuchung eines langen Tunnels mit Methoden von BIM und Lean
Abstract:	Infrastructure projects in inner-city areas are gaining in importance on the one hand and are subject to increasingly restrictive requirements due to the space available on the other. This affects not only the site installations, but also to a large extent the access to and the material handling on the construction sites. Implenia has been using the digital capabilities of BIM to improve project execution for several years. Visualisations, data management and collaboration create a transparency that is necessary to face the difficult boundary conditions. Lean Construction method of optimizing and stabilizing material flows, which is new to the infrastructure sector, can ideally use BIM digital tools to map its processes. It was obvious to use this symbiosis of the two methods. Implenia was commissioned in 2019 with the project 380 kV Kabeldiagonale Berlin with a nearly 7 km long TBM tunnel in the middle of Berlin. At this point in time, when the concepts for TBM tunnelling are being prepared, several insights can already be drawn that are ground-breaking for the application in future projects. Infrastrukturprojekte im innerstädtischen Bereich gewinnen auf der einen Seite wachsende Bedeutung und unterliegen andererseits immer mehr restriktiver Anforderungen aus den zur Verfügung stehenden Platzverhältnissen. Betroffen sind hierdurch die Baustelleneinrichtungen (BE) an sich, aber auch maßgeblich die Andienung der BEs und das Materialhandling auf der Baustelle. Implenia setzt seit einigen Jahren die digitalen Möglichkeiten von BIM ein, um die Projektabwicklung zu verbessern. Visualisierungen, Datenmanagement und die Kollaboration schaffen eine Transparenz, die erforderlich ist, den erschwerten Randbedingungen zu begegnen. Die im Infrastrukturbereich junge Methode von Lean Construction zur Optimierung und Stabilisierung der Materialflüsse kann die digitalen Werkzeuge von BIM ideal nutzen, um ihre Prozesse abzubilden. Implenia wurde 2019 mit den Projekt 380-kV-Kabeldiagonale Berlin mit einem knapp 7 km langen TBM-Tunnel im Herzen Berlins beauftrag. Zum jetzigen Zeitpunkt, an dem die Konzepte für den TBM-Vortrieb erstellt werden, können bereits mehrere Erkenntnisse gezogen werden, die für die Anwendung in zukünftigen Projekten wegweisend sind.
Source:	Geomechanics and Tunnelling 14 (2021), No. 3
Page/s:	285-297
Language of Publication:	English/German

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