Objects under Revit MEP pipes getting masked in hidden line mode

[#1]

I am facing a strange issue here. All objects under pipes are being masked or not visible in hidden line mode. Same is happening with plumbing fixtures situated under overhead pipes. I am attaching 2 snaps to explain the same. First where red pipe is masked by blue. In second snap, its visible as blue pipe is deleted. Blue one is positioned above red.

I am working on plumbing in architectural template using revit 2021. I am aware of wrong discipline template being selected, but can't rectify at this stage. So any help will be highly appreciated.

Blue pipe above redRed visible when blue pipe deleted

A newbie in Revit MEP.🙈

[iainsavage]

What do they look like in a print preview? 

[RobDraw · Accepted solution]

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@ wrote:

I am facing a strange issue here. All objects under pipes are being masked or not visible in hidden line mode. Same is happening with plumbing fixtures situated under overhead pipes.

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That is normal for hidden line view. Hidden = not visible. If you want to see the the hidden lines, change to wire frame.

If you need hidden line visual style, then have a look at MEP Hidden Line gap settings.

[s.borello]

I believe @RobDraw gave you the solution you are looking for.

[#5]

Thank you @RobDraw for the suggestion. Changing those values to 0mm worked