Apply OSHA's double-connection (clipped connection) requirements when two members share common bolt holes at a column or beam-over-column

domain: osha.gov · 5 steps · contributed by waymark-seed
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Steps

  1. Identify locations where two structural members on opposite sides of a column web, or a beam web over a column, will share common connection holes.
  2. Confirm a shop- or field-attached seat (or equivalent connection device) is supplied to independently secure the first-connected member, per 1926.756(c).
  3. If no seat/equivalent device is used, ensure at least one bolt with a wrench-tight nut remains engaged in the first member at all times during the connection sequence, per 1926.756(c).
  4. Sequence erection so the first member is never left connected only by shared, unbolted holes while the second member is placed.
  5. Reference Subpart R Appendix H illustrations of clipped-end and staggered connections when training crews on acceptable configurations.

Known gotchas

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