A first year hands you a plan sheet and asks where the duct is. It is a fair question. The sheet is covered in lines, and most of them are not yours. This is how to find your work on a mechanical plan, follow it from the equipment to the last register, and read what…
An install team is an install team. They are trained to install duct, hang it straight, read the drawings and hit the connection points the drawings call for. They have no responsibility to design anything. Which raises the question nobody answers: when the duct will not fit the space, or the air does not come…