Do not grind down a beam clamp jaw or pry it open to make it fit.
Check
Measure the actual flange thickness.
Check clamp rating and jaw capacity.
Inspect for sloped flange or vibration conditions.
Use jam nuts/retainers where required by the approved detail.
Verify the rod hangs plumb after attachment.
Steps
Measure the actual flange thickness.
Check clamp rating and jaw capacity.
Inspect for sloped flange or vibration conditions.
Use jam nuts/retainers where required by the approved detail.
Verify the rod hangs plumb after attachment.
Say this to your foreman
The standard beam clamp will not fit the steel flange at [location]. I measured the flange and stopped forcing it. Do you want wide-mouth/heavy-duty clamps or a different attachment detail?