You can define tidal curve tables for outfalls in Bentley StormCAD . You define a tidal curve for an outfall as a Time vs. Elevation curve.

To add a Time vs. Elevation curve to an outfall:

1. Click an outfall in your model to display the Property Editor, or right-click an outfall and select Properties from the shortcut menu.
2. In the Boundary Condition section of the Property Editor, select Time-Elevation Curve in the Boundary Condition Type field. The Time-Elevation Curve field becomes available.
3. Click the Ellipses (...) button next to the Time-Elevation Curve field.
4. In the Time-Elevation Curve dialog box, each row in the table represents a point on the Time-Elevation curve. Type values for the Time and Elevation for each row. Click the New button to add a row or press the Tab key to advance to the next field in the table.
5. Perform the following optional steps:
6. To delete a row from the table, select the row then click Delete.
7. To view a report on the curve, click Report.
8. To view a plot of the curve, click Graph.
9. Click OK to close the dialog box and save your curve data in the Property Editor.

Time-Elevation Curve Dialog Box

This dialog box allows you to define tidal curve (time vs. elevation) tables for outfalls when the Boundary Condition is set to Time-Elevation Curve.

The dialog box contains the time-vs.-elevation table and the following buttons:

	New	This button creates a new row in the tidal curve table.
	Delete	This button deletes the currently highlighted row from the tidal curve table.
	Report	This button opens a print preview window containing a report that details the input data for this dialog box.
	Graph	This button opens a graph window plotting the time-elevation curve defined by the points in the table.

The table contains the following columns: