Apprentice question
Verify first
Verify before you commit. Cheap to catch now.
A tiny overlap can pop loose under vibration or air pulse. Recut/replace the pipe so it seats deep enough in the collar before fastening and sealing.
['You are cut-fitting a round branch line pipe to slide into a start collar. You trim the pipe short, leaving only a frac{1}{4}\\text{-inch} metal overlap inside the sleeve collar before zip-screwing the joint. On testing, the vibration pops the pipe loose.', 'A tiny overlap can pop loose under vibration or air pulse. Recut/replace the pipe so it seats deep enough in the collar before fastening and sealing. The likely recovery is to check the condition, correct prep/setup if it is within your assignment, and bring the foreman clean information before the work creates rework overhead.']