BIM versus Lean Constuction (Part 3)

Digital Yes, but if so then how? To work digitally we need software, hardware and networks. Where are the challenges? What is already being implemented? What else is there to do?

In the past, there have always been good and pragmatic approaches to solutions. In the end they were perhaps always too complex and rather expert systems. The cost of the necessary software and hardware was also very high. They are gradually gone back into the sinking. But the basic requirements have changed today. The necessary basis is existent and affordable.

Content requirements

We can formulate it very extensively. I’ll leave it in a short form. The Building Information Model (BIM) is created by teams whose members come from different companies and whose locations can be distributed across regions. The data volume of Building Information Model (BIM) can become very large. The data volume consists of graphical objects and alphanumeric information.

Technical requirements

The technical requirements arise from the requirements alone. To organize the teams and data, we need client-server solutions and databases that are installed in a public or private cloud. Everyone involved in the project must have a chance to access the centrally stored data, change data and add data or even read data.

Development phase, planning phase, construction phase (LOD/LOI 100-500)

BIM Manager, project manager and teams

We agree that the best way to implement the organization is through lean construction. So far, however, there are very few software products in the world that meet the necessary conditions. I have been dealing with a wide range of solutions for some time. I only like one solution so far. It just needs to become a little more familiar.

Planners, BIM Designers

Today, the best CAD products still work file-based. Worldwide, we have agreed on the IFC format and BCF format for the exchange of graphical data and the corresponding information. I still miss a generally valid graphical database where any CAD products can log in. It is a pity that our leading software manufacturers have not yet embarked on the reorganization of their CAD products. If we are working file-based, we need file management systems for the organization, which then work based on a database again.

Over the years, all alphanumeric applications have been converted to database-based client-server solutions by software developers.

BIM Coordinators

The BIM coordination itself is necessary with or without a database. But with a graphical database it will be easier.

Use phase and Sales (LOD 600)

Facility Manager, Asset Manager, Property Manager

Since there are software products for this phase, databases and client-server solutions are used. Users are waiting for you to get a compact LOD 500 database package. All processes and workflows in this phase are already shown in the existing software solutions. 

Demolition phase, recycling and archiving (LOD700)

Project Manager

In this area, the use of lean construction is also useful. As soon as the first buildings come with the existing LOD 700 data, the use of software in this area is necessary and also useful.


Team work is to become more cooperative, more transparent and leaner. The digital consistency is still a little cumbersome. The challenge is not in the realm of databases and the cloud. The work is still done by people who need digital tools for their work, which makes work easier. The versus between BIM and lean construction is not existent. For lean construction, there are digital solutions that drastically reduce the number of e-mails and phone calls and the number of meetings with personal presence. The digital solutions do not make the personal encounter of people superfluous! However, the data storage of the Building Information Model (BIM) should finally be rebuilt from file based on database.


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