Check latest coordination model/drawing if available.
Compare duct elevation, tray elevation, and ceiling clearance.
Identify whether access/service space is affected.
Ask before changing elevation.
Ask foreman
Cable tray is at our planned duct elevation. Which trade/elevation controls here?
Do not
Do not move duct elevation on your own to dodge cable tray.
Why it matters
A quick elevation change can create problems with ceiling, TAB, access, fire dampers, insulation, and downstream fittings.
Search words: coordination clashes rework electrical clash cable tray duct elevation clash coordination cable tray duct elevation clash coordination coordination rework What do I do when cable tray blocks planned elevation? When cable tray is sitting at the planned duct elevation, stop and verify the latest coordinated elevation before lowering/raising the duct. coordination clashes rework electrical clash cable tray duct elevation clash coordination