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Use the Pressure Zone Manager (PZM) to set up a trace and analysis of a water distribution system model.
Tutorial resources
These downloadable resources will be used to complete this tutorial:
InfoWater Pro's Pressure Zone Manager (PZM) allows users to interactively define, verify, and color-code each pressure zone in a water distribution system model. The PZM accelerates hydraulic diagram designs of existing and proposed pressure zones, and it helps ensure accuracy on projects that feature frequent updates and revisions.
Using the Pressure Zone Manager, you can delineate pressure zones in the model and analyze them. Before you begin, best practice is to set and run a scenario simulation to prepare for the PZM analysis:
Note: this tool will default to using all pumps, valves, tanks, reservoirs, and closed pipes as boundary elements. So, if you knew one of these elements was not actually a boundary element for a pressure zone, you would identify it here to be ignored during the trace.
The PZM performs a trace analysis to identify and list the pressure zones it found in the model, and it includes the analysis status. For this exercise, six pressure zones are defined—PZM1 - PZM6—and complete.
Once the PZM trace and analysis are complete, to review the details for each pressure zone:
Note: Pressure Zone 6 is very small because PZM6 has only one junction, one reservoir, and two pumps. Therefore, it can be merged with another pressure zone.
PZM6 should be merged with PZM3. Pumps P-100 and P-120 are creating boundaries between the two zones defined by the Pressure Zone Manager, and the pumps and tank from PZM6 are connected to the piping of PZM3.