Setting up an alternate scenario

Any referenced datasets can be downloaded from "Module downloads" in the module overview.

Step-by-step:

Multiple scenarios can be created to analyze different settings or to create a batch simulation of scenarios. For example, you can set up an alternate scenario that contains different pump controls from the original scenario, to see what affect those alternative controls have on the system and its performance. If a pump is out of service for whatever reason, it is important to know whether the system can still supply demands.

  1. Open the appropriate .aprx file in ArcGIS Pro.
  2. From the ribbon, InfoWater Pro tab, Project panel, click Initialize.
  3. In the Model Explorer, click the Scenario Explorer icon.
    The Model Explorer, with the Scenario Explorer icon highlighted
  1. In the Scenario Explorer, under Network Data Scenario(s), select the EXISTING scenario.
  2. In the toolbar, click Copy.
    Scenario Explorer with EXISTING scenario selected and Copy icon highlighted

The EXISTING scenario was previously created to represent the existing system under normal demand conditions.

  1. Select the BASE, Base Network Scenario and then in the toolbar, click Paste as Child.
    Scenario Explorer with BASE scenario selected and Paste as Child icon highlighted
  1. In the New Data Scenario popup, type a New ID of “EX_ALTPUMPING”.
  2. Click OK.

In the file tree, the copied scenario—EX_ALTPUMPING—becomes a child of the selected scenario—BASE, Base Network Scenario.

  1. Ensure that the new EX_ALTPUMPING scenario is selected.
  2. Click the Data Set tab.
  3. In the Category list, double-click Control Set.
  4. In the Control Set popup, select *ACTIVE*.
  5. In the toolbar, click Clone to make a clone of the dataset.

The Control Set dataset stores all initial status definitions and all simple controls, such as the pump controls, whereas the Logical Set stores all rule-based controls.

  1. In the New Simple Control Set popup, type a New ID of “EX_ALTPUMPING”.
  2. Click OK.
  3. Click Exit to close the Scenario Explorer.
  4. In the Model Explorer, expand the drop-down list and select the EX_ALTPUMPING scenario.
  5. Click OK to confirm switching to this scenario.
  6. In the map, zoom in to the area of the treatment plant, Reservoir WTP-100.
  7. In the Contents pane, right-click Pump and choose Label to display the pump labels.
  8. In the ribbon, InfoWater Pro tab, Edit panel, click Select.
  9. Select pump P-100 in the map.
    Pump P-100 selected in the network map
  1. In the Model Explorer, on the Attribute tab, expand the Tools drop-down and select Control.
    The Model Explorer, Attribute tab, with the Tools drop-down displaying Control selected
  1. In the Pump Control: P-100 (Defined) dialog box, under Control Data, select the first rule, ensuring the checkbox has a highlight around it, but it still shows as “No”.
  2. In the Level Value group, enter 112 as the level value.
  3. In the Control Data group, click Update.

The rule in the Control Data box is updated to reflect the new level. Pump P-100 will now turn on when the water level in tank T5004 drops below 112 feet.

Note: there are two Update buttons. The one in the Control Data group box updates the rules and keeps the dialog box open, while the Update button below the separator next to the Cancel button updates and closes the dialog box.

  1. Repeat steps 24 – 26 to create a second pump control:
    1. Select the second rule in the Control Data box.
    2. Enter 120 as the level value.
    3. Click Update.

Now, Pump P-100 will turn off when the water level in tank T5004 rises above 120 feet:

The Pump Control dialog box for pump P-100, with definitions for when the pump turns on and off

  1. Verify the values in the Control Data box, and then click Update to finalize the new pump rule data and exit the dialog box.
  2. Select pump P-120 in the map.
  3. Repeat steps 23 to 27, setting the first rule to have a level value of 118 and the second rule to have a level value of 129.

Now, this pump will turn on when the water level in tank T5004 drops below 118 feet, and it will turn off when the water level rises above 129 feet.

The Pump Control dialog box for pump P-120, with definitions for when the pump turns on and off

Both pumps now have new controls for this new scenario.