Supporting Round Duct

What hanger spacing and band size for this diameter?

I'm checking supporting round duct at [location]. I found Sag, crushed pipe, band too loose or too tight. What hanger spacing and band size for this diameter?

Round, Spiral & Oval Duct 2nd Year YELLOW

Stop if

Hold point on supporting round duct: I have the location, photo, drawing/detail/spec section, and what I checked. Who should verify before this gets cut, drilled, sealed, supported, connected, controlled, or covered?

Watch out

Space hangers by eye

Check

room/grid/area
photo of condition
drawing/detail/spec/submittal
what I already checked
what is blocking progress

Say this to your foreman

14579 supporting round duct round & spiral duct yellow 2 what hanger spacing and band size for this diameter? i'm checking supporting round duct at [location]. i found sag, crushed pipe, band too loose or too tight. what hanger spacing and band size for this diameter? round duct hanger round hanger, band iron, strap hanger, saddle