What's New for Revit MEP 2011: "
You be able to load various conduit fittings and cabletray fittings....
...and create various family conduit types and cabletray types.
It comes out of the box with various sizes that include inside and outside diameters. You also have control of customizing various cable tray and conduit sizes as well.
You can control the Detail Level and control the Visibility and Graphics of conduit and cable tray to control the display those objects just as you can currently control the display of piping and duct.
You can check for interferences of cable tray and conduit with other types of objects in your project model.
You can use demand factors to adjust the rating of the main electrical service for a project. This is used since not all electrical equipment will be on all the time.
There are many demand factors that come out of the box, and you can easily create additional demand factors that are needed for the codes in your area. The demand factor can be determined by a constant value or percentage, or by the quantity of connected objects or by load.
These demand factors are assigned to various load classifications which are then assighed to electrical connectors.
Tagging on Placement
There is a new Tag on Placement option that automatically adds a tag for a component when it's placed in the model. Once the tool is selected, you'll have options in the options bar of it's placement.
You can add flanges to your pipes and are separate objects than the pipe itself. So when you make an elbow, there are actually 5 components. Two pieces of pipe, one elbow, and two companion flanges. You must make sure that the flanges are loaded into your project and assigned to your pipe type to be inserted automatically. You can, however add flanges manually as well.