TDC flange bolts are too close to a beam to reach
If a flanged joint is trapped and tools cannot reach, stop and verify access. Try safe approved tool/access options, then document if it still cannot be tightened or inspected.
Watch out Do not leave unreachable flange bolts loose or hidden. Check Identify inaccessible bolts/corners. Try offset wrench/crowfoot/socket extension or different lift access if safe. Check ceiling/insulation future access. Photo blocked clearance. Ask before leaving hardware unverified. Steps Identify inaccessible bolts/corners. Try offset wrench/crowfoot/socket extension or different lift access if safe. Check ceiling/insulation future access. Photo blocked clearance. Ask before leaving hardware unverified. Say this to your foreman This flange is trapped near the beam. Do you want me to try offset/crowfoot tools or hold for another fix?
Copy this More in Rectangular Duct & Fittings