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Mechanical Systems and Ductwork Revit mep

Ductwork, like pipework, is a system family through which Revit MEP can calculate airflow rates and pressure drops on any correctly defined system. Ductwork also provides the graphics for the traditional “drawn” documentation and the variety of ways this can be represented on a drawing sheet at different stages of a project, regardless of whether the duct is presented as a single lineat concept design or as a fully coordinated double linefor construction issue.
There are three main types of duct: rectangular, round, and oval. These three types are the basis for your documentation, while new to Revit MEP 2012 are placeholder ducts (and pipes).
Placeholders allow the designer to rough in layouts in single line. Although at first glance this seems similar to a view displaying at a coarse level of detail, the placeholders display onlya single line, regardless of the level of detail that is set. In addition, placeholders do not create fittings when a duct run is drawn, but they still have the use of all the design tools that an engineer requires, allowing the duct to be sized based on airflow and so on. All these duct types, whether placeholder or normal, connect to air terminals and a variety of mechanical equipment. They also host duct fittings and accessories. By using the fittings and accessories available with the standard installation,
the user can create supply, return, and exhaust systems with very little additional thought.
During your implementation, however, you should also consider the benefits of creating additional duct types that suit the way you work and your company’s standards.
In this chapter, you will learn to do the following:
Distinguish between hosted and nonhosted components •u
Convert placeholder ducts into ducts with fittings •u
Use the different duct routing options •u
Adjust duct fittings.

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