The operational alternative allows you to define the operational settings for pump elements.

ID: Displays the unique identifier for each element in the alternative.

Label: Displays the label for each element in the alternative.

Ignore On and Off Elevations in SWMM?: By setting this to True, you can ignore the on and off elevations when runing the model with the SWMM engine.

Elevation (Off): Set the Water Surface Elevation at the immediate upstream node, above which the pump will turn on.

Elevation (On): Set the Water Surface Elevation at the immediate upstream node, below which the pump will shut off.