Lean construction projects are understood as temporary production systems that eliminate waste, allow collaboration and optimize structures of the value added chain. Remaining crucial challenges in construction are the coordination of the involved trades and the tracking of construction progress. Current research in Lean Construction Management (LCM) targets automated digital methods that support work package planning and make inferences about states of progress. The scope of the presented work focuses on closing the feedback loop of lean construction planning, progress tracking, and status control by using 4D information from Building Information Modeling (BIM) as well as Internet-of-Things (IoT) technology for reporting actual progress.
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