Autodesk 235B1-05A761-1301 - AutoCAD MEP 2010, User Manual

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Opening the reference drawing; note the takeoffs added to connect with the duct
systems on each floor.
Adding a Takeoff to a Duct
Takeoffs enable you to position a fitting at any location on a duct segment. You attach the takeoff to the
center line or curve of the segment, and then rotate the takeoff to a specified angle around the segment.
You can also position the takeoff off center from the center line or curve of the segment, referred to as an
off-center takeoff. For example, you can attach the takeoff to the side of a duct segment above the center
line. The offset distance is defined as the distance from the center line of the duct segment to the center
line of the takeoff fitting.
TIP When attaching takeoffs, it is helpful to work in an isometric view of your model.
To add a takeoff to a duct segment
1 In the HVAC workspace , open the Fitting tool palette, and select the Takeoff tool. If necessary,
scroll to display the tool.
The software displays the Add Duct Fittings dialog showing a tree view of the current catalog.
2 The software opens the catalog at a part type folder associated with the Takeoff tool. If necessary,
navigate to the appropriate folder for the shape of takeoff you want.
3 Select the takeoff fitting to add.
4 Select a size for Part Size Name.
5 In the drawing, specify a location along the length of the duct segment to place the takeoff.
6 To add an off-center takeoff, skip to Step 11.
7 Specify the placement preferences:
then… If you want to…
right-click in the drawing area, and click Compass. toggle the compass on or off as you position the
takeoff
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