Autodesk 256B1-05A761-1301 - AutoCAD Revit Structure Suite 2010, User Manual

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Sharing Room/Space Information Between Revit Architecture and Revit
MEP
In Revit Architecture, architects use rooms and areas to divide a building model by usage, occupancy, or
other criteria. In Revit MEP, engineers use spaces and zones for analysis of heating and cooling loads.
Architects and mechanical engineers who collaborate on a Revit project need to understand some behavior
about Revit rooms and spaces.
Workflow: Linking an MEP Model to an Architectural Model
The following describes a typical workflow for an architect and a mechanical engineer collaborating on a
project:
1 The architect uses Revit Architecture to create a project.
All building geometry is defined in the Revit Architecture project. The project may include rooms
defined by room-bounding elements and room separation lines.
2 The mechanical engineer does the following:
a Uses Revit MEP to create a new project.
b Creates a link to the Revit Architecture project.
See Linking Revit Models on page 1277.
c Creates desired views and uses Revit MEP tools to develop the design.
d Turns on the Room Bounding parameter for the linked model.
This step ensures that the Revit MEP project recognizes room-bounding elements in the Revit
Architecture project. See
Using Room Boundaries in a Linked Model on page 984.
e Places spaces in the Revit MEP model.
The spaces use the room boundaries defined by the Revit Architecture project.
As an alternative, teams can create a Revit project and enable worksharing. The architect and the mechanical
engineer each use separate worksets. See
Working in a Team on page 1249.
How Revit Architecture and Revit MEP Share Information
When you link a Revit Architecture project to a Revit MEP project, consider the following:
■ Spaces (created in Revit MEP) can be bounded by elements in linked models, in the host model, or in
both.
■ Spaces are affected by room separation lines. Rooms are not affected by space separation lines.
■ Spaces are measured from the wall finish face.
■ In Revit MEP, spaces use the computation height that is defined in the architectural model. See
Computation Height on page 989.
■ A space understands in which room of a linked model it resides, and it can report the identity of that
room. This information is based on relative locations, not on a link to a specific room ID.
■ Multiple spaces can access the identity of a single room in a linked model.
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