Round Couplings And Beaded Slip

How many screws and how deep for this coupling?

I'm checking round couplings and beaded slip at [location]. I found Under-inserted joint, no screws, leaks or pulls apart. How many screws and how deep for this coupling?

Round, Spiral & Oval Duct 1st Year BLUE

Stop if

Hold point on round couplings and beaded slip: 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

Rely on friction only on pressure runs

Check

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

Say this to your foreman

14578 round couplings and beaded slip round & spiral duct blue 1 how many screws and how deep for this coupling? i'm checking round couplings and beaded slip at [location]. i found under-inserted joint, no screws, leaks or pulls apart. how many screws and how deep for this coupling? round coupling coupling, beaded slip, draw band, self-tapping screws