External Static pressure calculation error

[Anonymous]

I was trying to generate a report of External Static Pressure. The report is showing the pressure loss of Fire Damper 1003.3 Pa.

and according ASHRAe is 8 Pa. I had attached the Revit Report and ASHRAE Report. Please give the solution ASAP.

[Anonymous]

This is due to the Revit families for fire dampers. Revit sets a value of almost 1000Pa for a fire dampers. You can modify the family in order to set this pressure to 0Pa.

You should then have the real pressure drop of your fire damper.

Let me know if this solve your issue,

Cheers,

GM

[Jacob_United]

Sounds like it's probably in the closed position...