Linking Architectural Model
Shows step-by-step how to link architectural models to your own model.
Before you begin
You want to create your design in a separate Revit model and link the architecture to your file so that you can refer to the geometric information.
Requirement:
The architectural models are available in a format that is compatible with Revit.
Navigate to:
 Procedure
-  Click Links... 
The Manage Links dialog opens.
  - Select the appropriate tab according to the file format of the architecture to be linked.
 - Click Add...
 -  Select the appropriate file. 
In the following dialog you can control the positioning of the linked file. The standard setting is Auto - Internal origin to internal origin.
 - Click Open .
 
Results
The linked file is displayed in the list and in the Revit model.
 You can also integrate models or files from other disciplines using the procedure described.