Template:WebNotes/MPCZonalHierarchy

Zonal - L/HIRF Hierarchy For MSG-3 Zonal Analysis and Lightning/High Intensity Radiated Field (L/HIRF) analysis, use the Zonal-L/HIRF tab to define the zones that will be considered. The major zones and major sub-zones are added from a predefined list that is the same for all analyses in the same repository (this can be maintained by an authorized user if you choose Zones > Tools > Default Major Zones). When you select a Zone item (the lowest level in the zonal hierarchy), a panel at the bottom of the Properties tab displays the questions that will determine which type(s) of zonal and/or L/HIRF analysis are recommended. This is based on the "Typical Zonal Analysis Procedure" flowchart from the MSG-3 guidelines. For example, if you specify that the zone contains electrical wiring, has the potential for combustible material being present and L/HIRF protection systems that may need to be inspected for environmental deterioration or accidental damage, all three types of analysis may be recommended: Standard Zonal, Enhanced Zonal and L/HIRF.

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