TUFLOW Message 1443

TUFLOW Message
WARNING 1443 - arch springing level <level> is below arch start bed elevation <elevation>: Bridge:<name> - Arch No.: <number>

Alternate Message
NA

Message Type
WARNING

Description
The arch springing level is below the cross-section bed elevation for the given 1d_nwk "BArch" channel. An example is given below where the springing level has been set to 38.2 m and the finish offset has been set to 12 m, which puts the springining level below the bed elevation on the right hand side.

Suggestions
TUFLOW will still calculate the flow area correctly, however it recommended to check if the arch geometry and/or the cross-section is correct. The arch bridge editor in the TUFLOW QGIS plugin can help with visualising the bridge.

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