Interference Management: integrated BIM-MEP design

gestione delle interferenze impiantistiche_mep

Interference management is an aspect that involves all phases leading to the completion of a project, from the design phase to the execution phase.

Managing interferences is not easy, especially when the project to be designed and realized involves many aspects, such as architectural, mechanical, electrical, and plumbing (MEP), and structural components.


Possible interferences in the design phase

To avoid errors due to interferences between these parts, it is important to rely on working tools such as BIM, which allow simultaneous work on the various components of the project and have the right comparisons already in the design phase. As already mentioned, the first interferences between design sectors manifest themselves in the initial design phase.

The most common examples of interferences and conflicts that can occur between MEP and architectural components are as follows:

  • space problems for the placement of systems;
  • structural conflicts resulting from inadequate coordination.

Integrated BIM - MEP design for interference management

Resolving interferences in the design phase is crucial to avoid additional costs and delays in project completion. For this reason, it is important to rely on integrated design tools such as BIM – MEP, which allow optimal coordination between the various components involved in construction and data sharing among professional figures.

Therefore, BIM – MEP design allows for complete coordination during the construction process, anticipating and resolving many issues and conflicts already in the design phase.

The shared use of models allows for active management of interferences between systems and architectural and structural models, identifying and resolving system interferences even before they translate into execution problems.

The benefits of integrated BIM-MEP Design

The primary benefits of BIM-MEP design include:

  • 3D development of the design.
  • Integrated and interdisciplinary design facilitating collaboration and data sharing among various professional figures involved.
  • Management of interferences between systems and the architectural and structural model.
  • Rapid processing of projects.
  • Ease of making changes to projects.
  • Increased precision in evaluations.


  • Reduced likelihood of errors and issues on-site.
  • Accurate control over project timelines and costs.
  • Improved clarity in communicating project decisions.
  • Streamlined management even during the maintenance phase.
Practical example of managing interferences between architectural and MEP projects

The images below show an interference between architectural and MEP (Mechanical, Electrical, and Plumbing) projects.

In particular, images 1 and 2 depict two design phases of the VRF (Variant Refrigerant Flow) system.

Image 1 concerns the final design phase of the VRF system; in this phase, the elevator system, previously nonexistent, was incorporated. As evident from the image, the passage of VRF system piping interfered with the elevator shaft.

The designers identified the interference through the integrated working method and found a solution already in the design phase (see image 2).

Gestione delle interferenze impiantistiche_approccio BIM MEP


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