I installed the duct or fitting and now it does not line up. What do I check?
Coordination, Sequencing & Reworkyellow
Do not force the joint. Check elevation, rotation, centerline, wrong fitting, missing offset, hanger height, gasket/flange clearance, and whether another trade or revised drawing changed the path.
This duct/fitting is installed but will not line up at [joint/location]. I checked tag/revision/elevation. Do you want me to adjust hangers, hold the run, or ask for a coordination fix?
Do not
Do not suck a bad fit together with screws, one flange bolt, strap tension, or mastic. Do not bury a twisted joint.
Why it matters
Forced alignment creates leaks, bad appearance, stressed supports, failed pressure tests, and future service access problems.
Search words: installed but does not line up duct does not line up fitting not lining up tdc not lining up joint will not fit wrong elevation rotation centerline rework installed and now it does not line up duct won’t line up duct wont line up no longer lines up forced joint bad fit not lining up after install