Rectangular Duct Reinforcement
Large rectangular duct may need reinforcement to prevent deflection under pressure.
Stop if
- For this [size] duct at [pressure class], what reinforcement does SMACNA require? Is it shown on a detail?
Watch out
- Don't install large duct without checking reinforcement requirements. Don't skip reinforcement because it's not on the BOM.
Check
- What reinforcement does SMACNA require for this duct size and pressure class?
- Is it shown on the drawing?
Steps
- What reinforcement does SMACNA require for this duct size and pressure class?
- Is it shown on the drawing?
Say this to your foreman
For this [size] duct at [pressure class], what reinforcement does SMACNA require? Is it shown on a detail?
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