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The hydraulic grade line in the profile is showing up below a conduit or channel. Why is this happen?
1) Go to View > Queries and create a new project query by right clicking on Query- project > New > Query > Conduits. You’ll make a query based on the Slope(Calculated) property and the dialog box in the query manager should read as follows “DerivedLinkResults_Slope < 0”. This will select all conduits that have a negative slope.
2) Go to View > Network Navigator and click on the “ > ” icon. From the menu select the name of the query you just created in step 1.
3) On the network navigator window select the icon that looks like a pencil and this will highlight all the conduits in your drawing that have a negative slope.
4) Right click on each conduit individually and select the “Reverse” option.
If this occurs for many pipes, see below article:
Reversing orientation of Pipes and Conduits in Bulk
You should also make sure you have the latest patch set applied to your software. You can download it using these instructions.