Sizing Allthread (Rod)
Undersized rod; overload; failure
Yellow / Check First2ndBatch 4
What This Helps With
Undersized rod; overload; failure
Apprentice words: allthread size
Trade terms: allthread, threaded rod, rod diameter, hanger rod
Check First
Rod size per load/spacing and support schedule
What Not To Do
Undersize rod for the span/weight
What can go wrong: Using leftover thin rod
Better Foreman Question
What rod size does this trapeze need per the schedule?
Verify With
Reference type: SMACNA
Source to verify: SMACNA; spec; engineered where heavy
Safe wording: Rod sizing is structural/support work. TinnerFlow can explain the check, but drawings/specs/SMACNA/engineered details set the answer.