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3 Ways to Avoid MEP BIM Design and Coordination Scope Overlaps

3D building services coordination have been handled by separate parties, adopting BIM practices can lead to a serious scope overlap between design consultants and contractors particularly if the BIM workflows are not clarified during the planning phase.

Tasks including creating MEP BIM models, carrying out 3D M&E (MEP) BIM coordination and extracting M&E (MEP) coordinated drawings from 3D models can be injected into the scope of multiple parties: MEP design consultants, contractors and other trade-specific subcontractors. For instance, though carrying out 3D BIM coordination is a part of the contractor’s role, the design consultant may also spent some of his time and effort making the model clash-free with respect to the architectural and structural models. Similarly, the MEP contracting team will have to change the BIM model provided by the design consultant if it does not meet the contractor’s requirements with regards to procurement changes, lagging allowances and installation efficiency.

In order to avoid such MEP design and coordination overlaps, there are three possible routes that can be taken:

  • The first approach calls for both the MEP design consultant and MEP coordination team to strictly focus on their core responsibilities. The consultant team should simply focus on creating a BIM model and not on coordination or checking geometry-related hard clashes and the clearance clashes. As a result, the contractor gets a non-coordinated BIM model with an efficient services layout. This would not only cut down the BIM modeling time required by the consultant but also eliminates the task of services coordination for the design team.
  • The second approach is to take the conventional route in which the design consultant creates 2D MEP designs and hands it over to the MEP contractor. The contracting team can then start creating a BIM model as per their requirements with regards to the lagging allowances, installation efficiency and procurement-related aspects either in-house or by partnering with a specialist MEP (M&E) coordination firm.
  • The third approach to avoid such scope overlaps is for the MEP design consultant to work with a specialist 3D BIM coordination and support firm. It is paramount that the firm possesses an in-depth know-how of the expectations of the MEP contractors so that they can undertake the BIM modeling, clash detection and services coordination tasks keeping in mind the procurement, installation and fabrication compulsions of the contracting/subcontracting team. This means the contractor can now focus on refining the BIM model and extract MEP (M&E) drawings from it instead of recreating the BIM model.

Contact us now for more information about our 3D building services coordination, MEP modelling and drafting services for the building services sector.

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This post first appeared on XS CAD Blog - Pre-construction, MEP, 2D/3D CAD, please read the originial post: here

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3 Ways to Avoid MEP BIM Design and Coordination Scope Overlaps


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