Install a pressure relief valve to affect surge results

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Tutorial resources

These downloadable resources will be used to complete this tutorial:

Surge_protection_devices_in_InfoSurge_Pro_datasets.zip - (2 mb)

Step-by-step guide

In InfoSurge Pro, surge protection devices (SPDs) can help reduce the magnitude of pressure waves resulting from transients in a pipe network. This example installs a pressure relief valve and then examines its impact on surge results.

Double-click the desired project .aprx file to open ArcGIS Pro.
Click the InfoWater Pro tab to open the InfoWater Pro ribbon.
In the Project panel, click Initialize.

First, assign an SPD to a junction and define its characteristics:

From the map, select Junction 10.
From the Model Explorer, click Surge Protection Device.

Junction 10 selected and highlighted in red in the model, and in the Model Explorer toolbar, Surge Protection Device called out with a red arrow.

In the Surge Protection Device Data dialog box, expand the Device Type drop-down and select 6: Pressure Relief Valve.

Enter the following values for the pressure relief valve:

Set both the Inflow and Outflow Resistance values to 0.67.
Set the Opening Pressure to 150 psi.
Set the External (atmospheric) Pressure to 0 psi.
Set the Closing Pressure to 100 psi.
Set the Opening and Closing Times to 3 and 60 seconds, respectively.
Leave the Sensing Node ID field blank, in order to use the pressure relief valve as the sensing node.

The Surge Protection Device Data dialog box, with the settings for this example configured.

Click Update to save the changes and close the dialog box.

With the pressure relief valve installed, run a surge analysis:

From the Model Explorer, click Run Manager.
In the Run Manager dialog box, switch to the Surge tab.
Click Run.

In the Model Explorer, the Run Manager button highlighted in red, and in the Run Manager, the Run button and Surge tab highlighted in red.

When complete, click OK to close the dialog box.

Now, view the analysis results in the Report Manager:

From the ribbon, View panel, click Report Manager.
In the Report Manager dialog box, click New to open the Output Report/Graph dialog box.
Under Available Output Sources, select *Active*:Surge.
From the Graph Report tab, pick Surge Node Graph.
In the Data Scope group box, enable the Selected Element(s) < option, if it is not already.

The Output Report/Graph dialog box, with *Active*.Surge and Surge Node Graph selected and highlighted in red, and under Data Scope, Selected Element(s) enabled and highlighted.

Click Open.
On the map, select Junction 11 to view its pressure profile graph in the Report Manager dialog box.
Click Report to switch to the table view.

The Report Manager displays the pressure profile report table for Junction 11.

Note the minimum, maximum, and average pressures. The pressure relief valve only assists with high pressures, but does not mitigate low pressure conditions.

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