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Warning Message 79 - Submerged Primary Device Outlet

Warning Message 79 - Submerged Primary Device Outlet

Warning Message 79 - Submerged Primary Device Outlet

I'm trying to fully understand the cause of Warning Message 79 (HydroCADD Version 6.10).  I received the following message:

"[79] Warning: Pond M020 Submerged Pond M019 Primary device #1 OUTLET by 0.37'"

This is a closed drainage system.  Ponds M020 and M019 are manholes connected by a 12" RCP.  As I understand the message, conditions in Pond M020 result in the peak elevation being 0.37' (4.44") above the RCP invert at Pond M019.  This means the pipe is about 1/3 full at the peak flow.

Am I interpreting this correctly?  What's the problem with this situation?

RE: Warning Message 79 - Submerged Primary Device Outlet

I think your question was also sent to HydroCAD support and answered.

Please do not cross-post.  It just takes more time for everyone.

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