TUFLOW Message 1313

TUFLOW Message
WARNING 1313 - No inlet culvert connected to Manhole ",a,". Manhole not used/applied.

Alternate Message
WARNING 1313 - No outlet culvert connected to Manhole ",a,". Manhole not used/applied.

Message Type
WARNING

Description
1D manhole object is not snapped to a inlet or outlet culvert. Manhole not being used.

Suggestions
Ensure manhole is snapped in valid location with 1D culverts upstream and downstream of the manhole.

This warning is expected when any inlet pipe has an invert above the highest soffit of all outlet pipes. The pipe with high invert is ignored when determining manhole losses because it is essentially hydraulically disconnected. The full exit loss (if d/s controlled) or free-outflow (if not d/s controlled) is applied to the elevated inlet pipe. The exit losses of the inlet pipe and entry losses of the outlet pipe are not adjusted according to the approach/departure velocities as described in Section 5.7.6 of the TUFLOW Manual.

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