Typical Architectural-MEP Workflow
This section is a general description of the typical issues to consider if you plan to exchange data between ArchiCAD and an MEP application.
The first step of data exchange between ArchiCAD and external MEP software is the export of the architectural model. In order to optimize data exchange, export only the building elements and information the MEP engineer needs (e.g. load bearing structures, elements of the building envelope, boundaries of the interior spaces, lighting placement, built in equipment and furniture, suspended ceilings, space functions and numbering).
For MEP experts who work in a 2D design environment, create DWG files from the ArchiCAD model, preferably using a Publisher Set with pre-configured settings, in order to enable easy repeated documentation of the most current state of the project.
For providing data to engineers with MEP software, use GRAPHISOFT’s translator-based IFC data exchange feature.
When handling architectural data provided by ArchiCAD in MEP software, use the architectural content as an external reference. MEP software users using 2D solutions are advised to XREF the architectural DWGs, while MEP software users using model applications are encouraged to create a project link.
From 2D design environments, MEP data arrives as DWG (including the structural grid) and is placed as XREF or as Drawing into the ArchiCAD building model. Data from model-based MEP programs arrive in IFC format, via software-specific export extensions, developed by GRAPHISOFT or the MEP software manufacturer, allowing seamless design integration.
GRAPHISOFT MEP Modeler users can modify objects imported from AutoCAD MEP and Revit MEP or detect collisions between them and ArchiCAD model elements, since external MEP elements brought in via IFC file import translate automatically into native GRAPHISOFT MEP Modeler objects. ArchiCAD users without valid GRAPHISOFT MEP Modeler license receive MEP objects as individual ArchiCAD library parts.
For more information, see Detailed Workflow: Architectural - MEP.
IFC-based data exchange can be enhanced by using the so-called BIM Collaboration Format (BCF)-based communication. In this workflow, you can assign comment topics to IFC model elements. Based on these, the other user can easily locate the referenced elements in the IFC model. BCF-based data exchange is particularly suited for marking changes or collisions (e.g. between architectural and structural elements). In addition to ArchiCAD, many other applications support BCF-based collaboration.