All the plot plans except for the (Buildings and Analyzer Houses), shall be imported as a bitmap which is extracted from the AutoCAD. This is the easier method. Perform the following tasks to import the plot plan.
Click Bitmap - Draw required Size - Right-click on bitmap
Select Insert Bitmap - Choose the bitmap file.
Now the Bitmap is inserted. You can re-size as required. Note that the detectors are to be placed over the bitmap.