Run an interference check

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STACEY MORYKIN: Hello and welcome to Gravity Pipe Network

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Interference Check.

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My name is Stacey Morykin, Design Technology Manager.

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Interference checking lets you quickly identify

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pipe network parts that may conflict with each other.

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This feature compares the actual

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to identify parts that physically overlap, collide,

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or intersect in an inappropriate way or that

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have violated the predefined proximity based criteria.

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In this session, we will walk through the specific steps

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to run an interference check.

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We will select the pipe networks and set the interference

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reporting criteria.

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We are now at the first step of the workflow,

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running an interference check.

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So let's switch over to Civil 3D and get started.

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We begin by opening the interference checks

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in Civil 3D_Begin DWG file.

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In this Civil 3D drawing, we have a sanitary sewer network

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and a storm network that goes to an underground basin.

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The design portion was just established

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based on the rules we have set for both networks.

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There are also two profiles for this area

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so we can take a closer look at the crossing pipes.

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To determine whether clashes are present between these two

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networks, we will run an interference check.

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This tool can be found in one of two ways,

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under the Analyze tab at the top under the design

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panel, Interference Check, or under the pipe

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networks in the Prospector tab of the Tool Space.

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Left pick on the Interference Check from the ribbon.

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When the command is active, it asks

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to select a part from the first network.

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This can either be a pipe or a structure.

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You will click on a part in the plan view

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from the sanitary line, which is represented

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by a green color in the drawing.

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The next prompt asks for another part,

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either from the same network or different networks.

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Choose the storm sewer line, represented by the cyan

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color in the drawing.

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When the Create Interference Check dialog box appears,

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we will give our check a name.

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We will enter Sanitary & Basin 2.

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We'll also ensure that the networks are represented

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in the boxes appropriately.

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We have our Sanitary Sewer network

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and we have our Basin 2 network.

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We can also set the layer of this interference check.

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We can also set the style, which we'll choose basic for now.

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This will actually show an icon at the interference locations.

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Click on the 3D proximity check criteria

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at the bottom of the dialog box.

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The 3D proximity check will check

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in the x, y, and z directions for a distance

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along those pipes.

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We can also use a scale factor.

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For now, I will set this to 10 feet.

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Click OK, and click OK again.

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When the command finishes running,

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Civil 3D tells us that, in three areas,

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there is a clash between the two pipe networks.

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Click OK.

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We can continue creating interference checks

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for other networks in our drawing,

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but let's take a closer look at the one we just created.

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In the Tool Space Prospector tab under Pipe Networks,

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click to expand interference tracks.

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Left click on the Sanitary & Basin 2 interference check.

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View the three locations in the item view area.

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If you do not see the item view area,

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try placing your mouse at the bottom of the prospector

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and dragging upwards.

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If you made a mistake with entering in the distance,

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right click on the name of the interference check

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and select Interference Check Properties.

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Through this dialog box, you can change the style

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under the Information tab.

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And you can also view the statistics, as well as

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the criteria.

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If you made a mistake when you set your distance,

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you can go back into the Criteria tab,

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change from 10 feet to five feet, and click OK.

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Civil 3D will rerun the interference check

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and tell us that there are now two interferences

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found on the pipe networks.

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By zooming into the plain view, you notice two orange color

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circles.

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These glyphs denote the location where the two pipe networks are

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within the five foot criteria.

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You can also right click on any interference in the item view

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area and select zoom 2.

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In the next session, we will navigate and correct

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the interferences.