Create gravity pipe networks using objects in Civil 3D

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You can use Civil 3D pipe network features to draw 2D and 3D models of utility systems, such as storm or sanitary sewers.

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These sewers, known as gravity pipe systems, can be created in Civil 3D using existing objects in your drawing.

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This method automatically creates a pipe network from entities such as lines, arcs, 2D and 3D polylines, feature lines, or alignments.

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From the Home tab, in the Create Design panel, click Pipe Network, and then select Create Pipe Network from Object.

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In the drawing area, select a Feature Line, 3D polyline, line, or x-ref.

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In this example, select the Feature Line on the C-STRM layer.

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Verify that the displayed flow direction is appropriate (left to right), select Reverse from the command line if needed,

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and then press Enter.

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In the Create Pipe Network from Object dialog, add the following information for this example:

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Network Name: Network 1

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Network parts list: Standard

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Pipe to create: 12 in Concrete Pipe

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Structure to create: 48 inch dia 24 inch cone Concentric Structure

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Surface name: VO-SM (This specifies the surface associated with this pipe network.)

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Alignment name: <none>

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Select Erase existing entity to erase the entity automatically when you create the pipe network.

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Finally, enable Use vertex elevations and set the Vertex Elevation Reference to Invert,

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to specify the location on the pipe where the vertex elevation is located.

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Click OK.

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In the Toolspace, open the Prospector tab.

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Expand Pipe Networks > Networks, and then the pipe network name.

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In this example, Network 1 is selected.

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This displays the structures and pipes you just created.

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Use the Object Viewer if you want to look at the network in 3D.