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Sylwia Stępka-Kałuża
Employee
Mar 25, 2025 7:56 PM UTC

Why for ventilation calculation , stabi is not counting pressure drop which is alredy calculated for mepcontent families ?

For mepcontent families there are two values for pressure drop, one of them could be filled in by us, second one is already calculated. My question is, what is the diference between those two parameters and why in total ventilation calculation we can not use parameter which is already calculated. afbeeldingafbeelding

    3 replies

    Kamil Pluciennik3
    Employee
    Mar 25, 2025 9:18 PM UTC

    @sylwia stępka-kałuża​ 

    The greyed-out parameter "Pressure Drop" is a built-int parameter (nonstabi parameter). Revit is using this parameter to show calculated pressure drop which comes from built-in calculation module based on ashrae.

    Stabicad is using different codes and methods, that is why you see more parameters.

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    Sylwia Stępka-KałużaAuthor
    Employee
    Mar 25, 2025 9:18 PM UTC

    @Kamil Pluciennik​  thak you for your respond. Am I assuming corectly that for Stabi calcualtion we need to fill in pressure drop for all families by ourself ?

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    Kamil Pluciennik3
    Employee
    Mar 25, 2025 9:19 PM UTC

    @sylwia stępka-kałuża​ 

    Correct, for the elements like fire dampers, cavs, vavs etc you need to fill stabicad parameter.

    Then given value will reflect in the report in the column dP [Pa].

     

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