This option generates a longsection view of the drainage network along a run of conduits between two manholes.

On the Drainage Tools button drainage tools toolbar, click the Drainage Longsection button drainage longsection button.

You then select the two manholes between which the longsection should be generated:

Any two manholes can be selected which are connected by the drainage network. The longsection will be generated for the most direct route between the two manholes.

The longsection view window is shown with a fully annotated drainage long-section drawing:

Drainage Longsection window

The toolbar on the longsection window has the following buttons:

Move Manhole button Move a Manhole
Edit Manhole button Edit Manhole Properties
Edit Pipe button Edit Conduit Properties
Set Pipe Run Gradient button Set the Gradient along a Drain Run
Pipe Diameter button Set Pipe Diameter along a Drain Run
Drainage Toggle button Toggle drainage items On/Off
Close Toolbar button Click this button to close the toolbar

Move Manhole button Move Manhole

To move a manhole, click the Move Manhole button button.

You can select one of the manholes on the longsection drawing and move it up/down. The manhole's joining conduits also move up/down with it.

Move Manhole example Move Manhole example Move Manhole example

You can also right-click to see a menu for further options, you can select Enter Level for exact positioning.

Enter level window

Set Pipe Run Gradient button Set Gradient

To set the gradient on a conduit, or a run of conduits, click the Set Pipe Run Gradient button button.

You should now select the two manholes between which the gradient is to be set. They can be adjacent manholes for setting a single conduit gradient, or they can be separated by a run of conduits and manholes.
You will be prompted to select the start manhole position from the drawing. As you move the mouse cursor the nearest manhole is highlighted. Click to select.
Then you will be prompted to select the end manhole for the run. As you move the mouse cursor the nearest manhole is highlighted. Click to select.

Enter gradient window

The following images show the difference after setting the whole run to a gradient of 1:50 (2%).

Set gradient example
Set gradient example

Note: The gradient is set from the first selected manhole, which will maintain its depth. The depths of all the other manholes in the selected run are adjusted to achieve the specified conduit gradient.

Pipe Diameter button Set Conduit Diameter

To set the diameter of a conduit, or a run of conduits, click the Pipe Diameter button button.

You should now select the two manholes between which the conduit diameter is to be set. They can be adjacent manholes for setting a single conduit diameter, or they can be separated by a run of conduits and manholes.
You will be prompted to select the start manhole position from the drawing. As you move the mouse cursor the nearest manhole is highlighted. Click to select.
Then you will be prompted to select the end manhole for the run. As you move the mouse cursor the nearest manhole is highlighted. Click to select.

You will be prompted to enter the required diameter for the selected conduits.

Enter diameter window

Either select a standard diameter from the drop-down list, or select the Non-standard Diameter option and enter your desired diameter.

When the conduit diameter changes, either the soffit levels can adjust, leaving the invert levels unchanged, or the invert levels can adjust, leaving the soffit levels unchanged. You are prompted to choose which is appropriate for the current diameter change.

Choose soffit or invert levels window

Drainage Toggle button Toggle Drainage Items On/Off

To change which drainage items are displayed on the longsection drawing click the Drainage Toggle button button.

You will be prompted to select a manhole from the drawing.

Note: Any manholes which are currently Off are shown drawn in grey so that they may be selected for change.

As you move the mouse cursor the nearest manhole is highlighted. Click to select.

You will be prompted for the display option for the selected manhole.

Drainage item display type window

The default display style for all manholes is Auto, which means the software will display all reasonable drainage items.

A display style of On will force the particular manhole to be displayed regardless. This is sometimes useful where the auto rules would otherwise cause the manhole to be left off.

A display style of Off will force the particular manhole to not be shown on the longsection drawing. This can sometimes be useful where two manholes, or their joining conduits, overlay each other on the drawing.

Note: An Off manhole is shown in grey while the toggle operation is still active (so that they can still be seen for selection). When the toggle operation is finished then Off items will then not be visible.

A display style of Grey causes the manhole, and its joining conduits, to be drawn in grey instead of the usual blue (for storm sewer) or brown (for foul sewer). This can be useful where a manhole is not important for the purpose of the particular drawing, but it is important that the manhole is shown in position.

See Also: