Hydratec Inc.

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AutoCAD Based Calculations (Ribbon/Toolbar/Location)

Button: Start Autocalcs

Description:

Unknown fitting in drawing, cannot continue

Type SME at the command line to open 'Show Model Errors' dialog box



Solutions:

1.
Cause:

0-0 vertical pipe length
Solution:

Make sure the drawing has been raised to 3D and ensure no errors are showing vertical pipe lengths of 0-0
2.
Cause:

Duplicate pipes or sprinklers drawn on top of themselves tricks AutoCalc into thinking it should find a different fitting shape at that intersection
Solution:

Run CHECKUPS - this will run OVERKILL automatically
Updated: Aug. 20, 2025, 1:27 p.m. Created: March 1, 2019, midnight