Return Period Analysis Grid Report Dialog

The Return Period Analysis Grid Report Dialog is used to produce an RPA report for a series of simulations using rainfall of different know return periods and storm durations.

The dialog is displayed when the Results | Grid report | Return period analysis report menu option is selected.

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Parameter Description
Simulations

Select the simulations to be analysed.

Ideally this should be a series of simulations using design rainfall events where the rainfall event is the only variation. Choose a series of return periods for each of a series of storm durations.

All the simulations must use the same network.

Label Conduits on GeoPlan with RPA Results Check this option to display labels for conduits on the GeoPlan with the RPA results.
Surcharge State >=

Read-only field.

The conduit will be considered surcharged if its Surcharge State is greater or equal to 1.

Flood/Lost Volume

Read-only field.

Upstream node will be considered flooded if flood/lost volume is greater or equal to 0.001 m3

Return Period (yrs) >= Use this box to set the maximum return period in which you are interested. Above this value, if flooding occurs at the node, the RPA Report View displays an x to show return period above the specified maximum value.
Produce Grid button Click this button to display the RPA Report View