Hydratec Inc.

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Revit Based HydraCALC (Ribbon/Toolbar/Location)

Button: Hydraulic Calculations Function: Continue Error Type: Runtime Error


Calculation stops at Step 1a.4 - calcing total lengths

There is also Runtime error 5 invalid procedure call or argument 



A revit version of the standard regional settings issue that many of our European customers have where the separator is set to decimal instead of comma in the Windows Control Panel Regional Settings


 Pick Control Panel, Region and Language, Additional Settings. Then, make the Decimal symbol be a period (.) and the Digit grouping symbol be a comma (,)


Using pipe size that is not in the HydraCALC database


In this case, ¼” schedule 40 pipe is not in the HydraCALC database.

The solution: find and eliminate the pipe. The node numbers can be used in the Manage ribbon > Inquiry > Select by ID to find the pipe


Updated: Dec. 6, 2023, 10:02 a.m. Created: Feb. 10, 2022, 2:37 p.m.