Protect damper access and rated assembly requirements: not labeling damper access.
High-risk starter answer - stop before covering, blocking, fastening, modifying, insulating, or closing anything around a fire/smoke damper, ceiling radiation damper, access door, or rated assembly. Labels and documentation are part of inspection and closeout.
Ask when access is missing/blocked, damper type is unclear, rated construction is involved, or manufacturer/AHJ detail is not known.
Watch out
Do not treat damper or rated-assembly work like normal duct. Do not paint over, cover, remove, or lose damper labels/documentation.
Check
Confirm the damper type and exact location.
Find the access side, label, actuator, fusible link, sleeve, blade area, or inspection point.
Check that permanent access remains reachable after walls, ceiling, insulation, hangers, and other trades are installed.
Keep labels visible/readable or document them before anything can cover them.
Steps
Identify damper type and label.
Find access side, actuator/handle, and blade path.
Check whether duct, insulation, ceiling, or another trade blocks access.
Focus on the actual issue: not labeling damper access.
Photograph or mark the condition if someone else needs to approve it.
Say this to your foreman
In Fire/Smoke Dampers, Access Doors & Rated Assemblies, I'm looking at: Not labeling damper access. What should I verify before I cut, drill, seal, cover, move, or install?