Revit MEP Fabrication Tips

Revit MEP Fabrication Tips

in Autodesk November 22, 2017

MEP Fabrication

Over the past few years Autodesk has been integrating their MEP fabrication tools into Revit. Initially, you could only place parts individually. This process was not ideal and very time consuming. However, they have dramatically improved the functionality within Revit to create fabrication models.

Multi Point Routing

In addition to placing fabrication parts you can use the Multi Point Routing tool to Automatically build a run of connected MEP fabrication parts by clicking points in the model.

Parts are automatically selected from the current fabrication service and group in the MEP Fabrication Parts palette.

Automatically build a run of connected MEP fabrication parts by clicking points in the model.

To use the Multi-Point Routing tool:

1. Display the MEP Fabrication Parts palette

2. On the MEP Fabrication Parts palette, make sure the desired service and group are selected.

3. Start the Multi-Point Routing tool

•Specify start point: In the drawing area, click to specify the start point for placing the first part in the run. Click again to select the end point of the first part, if needed. Appropriate parts are automatically placed between selected points. Transitions, such as bends or tees, are automatically placed between straights.

•Specify Properties palette values: In the Properties palette, you can specify values for the run, such as size and offset.

•Specify auto fill exclusions: In the MEP Fabrication Parts palette, you can change which parts are excluded or not excluded while using the Multi-Point Routing tool. For example, you can select new parts to exclude, or you can remove existing exclusions.

5. When you have finished placing parts, press Escape twice to end the Multi-Point Routing tool.

Design to Fabrication tool

Use the Design to Fabrication tool to convert a design model with Revit MEP elements to an MEP fabrication model with LOD 400 MEP fabrication parts.

 You can convert selected parts or an entire duct or pipe network. The Design to Fabrication tool provides a more efficient workflow, since the fabrication model does not need to be redrawn from scratch. The result of the conversion is based on the Design Line algorithm used by the Autodesk Fabrication products, and uses the same content available in the Autodesk Fabrication products.

Optimize Lengths Tool

After you have placed Fabrication parts or converted design content to fabrication parts you can optimize the length of straight parts. optimizes the straight lengths of generic ductwork by adding, removing, or modifying lengths of straight segments.

Note: If a straight is pinned or part of a group, it will not be optimized

Insert Part: places a tee, valve, damper, or in-line equipment on a straight duct segment in an existing run.

Quick Connect & Route and Fill tools

Thanks to the enhanced functionality of Trim and Extend, and Quick Connect, MEP designers can now fill in the gaps in a Revit Fabrication model for ductwork, pipework, and electrical containment.

With the Trim and Extend tool you can fill gaps between two straight runs of duct, pipe, cable tray or conduit. And, similarly, the Quick Connect tool allows you to fill gaps between a fitting and a straight run where no additional fittings are needed.

To use the Quick Connect tool, follow these steps:

1.Select a fabrication fitting with an open connector.

2.Right-click and click Quick Connect or simply drag from the starting connector.

3.Click an open connector on another fabrication part to establish the end of the route.

Quick connect is useful for stretching an offset or taper, or dragging a bend.

If more than one solution is available, Revit provides the option to open the Route and Fill editor.

To use the Route and Fill tool, follow these steps:

1.Select a fabrication part with an open connector. If the selected part has more than one open connector, you must select the connector you want to route from.

2.Click Modify | Fabrication Parts tab Edit panel (Route and Fill).

As you move the mouse, Revit surveys the open connectors in the view that are on the same plane to determine if a connection is possible. An arrow displays on each available connector.

Note: A route must exist in a single plane. Solutions that require two planes or three bends are not supported.

Note: The connection angle cannot be greater than 90 degrees.

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