Wrong drill bit size for anchor

Treat supports as load-path work: using wrong drill bit size for anchor.

Confirm the anchor and substrate before drilling or loading. Anchors only work when the anchor, hole, depth, and substrate match the approved requirement.

Hangers, Supports, Rods & Trapeze 2nd Year YELLOW

Stop if

Ask before moving anchors, changing spacing, deleting supports, drilling structure, or altering trapeze/seismic layout.

Watch out

Do not set anchors in unknown or unapproved substrate.

Check

Verify substrate
Verify anchor type and bit
Check hole condition/embed requirement by detail

Steps

Identify the support type and duct being carried.
Check approved detail or foreman direction.
Verify anchor/hardware and attachment point.
Focus on the actual issue: using wrong drill bit size for anchor.
Photograph or mark the condition if someone else needs to approve it.

Say this to your foreman

In Hanger Systems, Rods, Straps, Trapeze & Anchors, I'm looking at: Wrong drill bit size for anchor. What should I verify before I cut, drill, seal, cover, move, or install?

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