The novel contribution of this paper to the practice of takt is to highlight (1) general challenges expected during the takt plan-execution and (2) takt performance indicators that reveal these challenges.

The Last Planner System (LPS) is a tool for project planning and control, and is an important contribution from Lean Construction. LPS focuses on scheduling, task coordination and time management. Uncertainty Management (UM) is a key element in Project Management, where uncertainty is the totality...