Field problem

Stop and ask

Stop. Get direction before you touch it.

Pressure Class vs Gauge Selection

Duct gauge must match the pressure class. Using wrong gauge creates structural failure or waste.

Joints, TDC, Flanges & Connections 4th Year RED

Stop if

Watch out

Check

Steps

Say this to your foreman

For this duct at [pressure class], what gauge does SMACNA require? Can you confirm shop is fabricating to correct gauge?

More in Joints, TDC, Flanges & Connections