Ask for direction before loading/hanging more duct.
Ask foreman
This clash is visible before install. Do you want it held and documented before we hang the duct?
Do not
Do not install through a known clash and hope it gets solved later.
Why it matters
A clash on the floor is a coordination issue; a clash in the ceiling is rework.
Search words: Coordination, Clashes, Sequencing & Rework not reporting clash until duct is already installed report clash before installed duct rework report clash before installed duct rework coordination rework What do I do when not reporting clash until duct is already installed? Report the clash before the duct is installed, not after it becomes expensive rework. Coordination, Clashes, Sequencing & Rework not reporting clash until duct is already installed report clash before installed duct rework