Both plumbing fixtures must be assigned to a Sanitary system, but because the flow in a sanitary system depends on gravity, the piping should be sloped. The Generate Layout tools let you specify the layout and the slope for much of the sanitary system. However, some modifications, such as vents and traps, and connections between different building levels must be made manually. Begin by creating the sanitary system.
The System Browser can also be opened by pressing F9. It will be used to verify that all of the plumbing fixtures are assigned to a system.
Before creating the system, the plumbing fixtures are listed as the Default Sanitary plumbing system under the Unassigned folder in the System Browser.
The plumbing fixtures have now been assigned to a Sanitary system at the Piping level in the System Browser.
Layout Piping for the Sanitary system
The Generate Layout tools let you define the layout for piping in the sanitary system.Open a 3D view showing the plumbing fixtures, and enter the keyboard shortcut, WT to tile the views.
The Generate Layout tab is activated.
You combine layout lines by first selecting the layout line that you want to combine and then by dragging its Elbow/End control until the control snaps to an adjacent layout line. The layout line that was modified is automatically removed and additional layout lines are added to represent a physical connection to the component that is associated with the modified layout line. All components that are associated with modified layout lines maintain their original placement. Combining layout lines allows you to redefine your layout so that it corresponds to your design intent.
When using Modify, one custom solution is remembered for the current (modified) layout. If you later use Modify to select a different solution, a message is displayed, asking if you want to overwrite your previous solution. Yes overwrites the previous solution. No applies the previous custom solution.
Parallel Movement Control: Lets you move an entire layout line along an axis that is perpendicular to the layout line. Additional lines are automatically added when needed to maintain connections in the system. Note that you cannot use this control to overlap layout segments. You must use the Elbow/End Control.
Junction Controls: —Represents a tee. —Represents a cross. These junction controls let you move a tee or cross connection between a main and branch segment, left or right, up or down. Movement is limited to the end associated with the Junction Control symbol (see note above).
Elbow/End Control: Lets you move the intersection between 2 layout lines or the end of a layout line. This control also allows you to combine layout lines. Additional layout lines are automatically added when needed to maintain connections in the system.
Network: This solution creates a bounding box around the components selected for the plumbing system, then bases up to 6 solutions on a main segment along the center line for the bounding box, with branches at 90 degree angles from the main segment.
Perimeter: This solution creates a bounding box around the components selected for the system, and proposes 5 potential routing solutions. Four solutions are based on 3 of the 4 sides of the bounding box. The fifth solution is based on all 4 sides.
Intersections: This solution bases the potential routing on a pair of imaginary lines extending from each connector for the components in the system. Perpendicular lines extend from the connectors. Where the lines from the components intersect are potential junctions in the proposed solution. Up to 8 solutions can be proposed along the shortest paths.
Inset: Specifies the distance between the bounding box and the components in the system. You can specify a positive or negative value to place the perimeter within or outside of the bounding box, respectively.
To use the base control, place the base control where the open pipe connection will be located for the layout. You can also place a base control to connect the layout sub-assemblies. If the base is on the same elevation as the open connections, a horizontal pipe will connect to the open sub-assembly connections. If the base control is placed on a different elevation from the open connections, a pipe riser will be created to connect the layouts.
Rotate Perpendicular to Connection Direction: Rotates the base control around and perpendicular to the base control connection direction axis (the connection direction is indicated by an arrow in the 3D view).
For this example, the Main and Branch are set for a Pipe Type: PVC, and an Offset of -1' 6" (-450 mm), which places the piping below the level associated with the current level in the plan view.Click OK.
The piping is created according to the specifications in the Conversion Settings dialog and on the Options Bar.
Create a vent
You can create a vent by upgrading a pipe fitting and drawing a vertical segment to serve as the vent.Select the elbow connecting the vertical pipe to the sanitary main pipe from the back of the toilet, and click the plus sign above the elbow to upgrade the fitting to a tee.
The lower connector is the first connector highlighted.