How to systematize MEP design and installations with Takt
Recently, I interviewed a researcher for an article about MEP design and construction scheduling. We discussed a recent study on the subject and Takt production, the popular lean construction method.
Many think of Takt predominantly as a method for shortening the lead time of a project. To my interviewee, the real value is in the steady pace, predictability, and flow of the process.
In planning, you divide the construction into Takt zones so that one team or professional can complete their work package in each area during one Takt time.
How to manage HVACE in Takt production
How do you apply Takt production to HVAC installations? Ducts and pipes, for example, typically span over multiple Takt areas vertically and horizontally.
One tactic is to complete the HVACE installations within the boundaries of the Takt zone. There have been projects in Finland where the installations and pressure tests have been done separately in each zone. However, that’s not always feasible.
Another approach is to follow the shell and core, or base build, model. The fixed parts of the project are designed and built first. For example, the main HVAC routes and machines can be assembled and tested before moving on to spatial construction. When the functions and users of the building are known and specified, the rest of the process can follow the Takt plan.
MEP modularization and prefabrication fit Takt production perfectly. Prefabricated modules and a kit-of-parts approach simplify the onsite assembly process. Components designed to easily connect or fit together reduce the complexity and time required for installation, which is crucial in maintaining the flow of work in Takt scheduling. To gain the full benefits of prefabrication, you must plan for it early on in the project.
Proper preparation alleviates stress
Another thing that came up during the discussion was the well-being of workers.
Many seem to think that Takt means the workers are busier and stressed. The reality is quite the opposite. You don't have to worry when you know what to do, where, and when, and you can be sure that the preceding work has been done on time. You can also avoid the final sprint and overtime work it often requires.
Takt planning and production will become more prevalent in 2024 here in Finland and globally. It would be great to hear your thoughts and ideas on using Takt for HVACE design and installations.
The title photo is from J?tk?saari, Helsinki
FROM AEC BUSINESS
AI for AEC in Practice
I gave a presentation titled “AI in practice: the different promising fields for the construction sector” at the High Level Construction Forum of the European Commission on November 23, 2023. Here are my notes and slides for the presentation.
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