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SESK: Stuff Everyone Should Know · sesk.info/osha-material-storage-tiers-secured

How should materials stored in tiers be handled to prevent sliding or collapse?

Stack, block, or interlock materials to prevent collapse.

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  1. Stack, block, or interlock materials to prevent collapse ✔
  2. Stack them as high as the forklift reaches
  3. Secure only the bottom row

Why: 1926.250(a)(1) says materials stored in tiers must be stacked, racked, blocked, interlocked, or otherwise secured.

Huh, didn't know that: Proper material storage helps prevent falling objects and pile collapse.

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References

Answer: Stack, block, or interlock materials to prevent collapse. 1926.250(a)(1) says materials stored in tiers must be stacked, racked, blocked, interlocked, or otherwise secured.

  1. 29 CFR 1926.250(a)(1) www.law.cornell.edu/cfr/text/29/1926.250
    All materials stored in tiers shall be stacked, racked, blocked, interlocked, or otherwise secured to prevent sliding, falling or collapse.
    Checked 2026-10-10.

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