Transitioning Around An Obstruction
Losing area, over-restricting, or hitting structure anyway
Yellow / Check First3rdBatch 5
What This Helps With
Losing area, over-restricting, or hitting structure anyway
Apprentice words: flatten duct
Trade terms: obstruction transition, equal-area transition, flatten/deepen
Check First
Whether design allows the reshape and equal-area intent
What Not To Do
Guess a new shape without approval
What can go wrong: Flattening past what's allowed
Better Foreman Question
Can I flatten this to clear, or does it need an RFI?
Verify With
Reference type: engineered detail
Source to verify: Engineer/RFI; drawings; foreman
Safe wording: Reshapes may need engineer sign-off — verify.