Confirm the current edition and scope of ANSI MH16.1, the RMI standard for design, testing, and utilization of industrial steel storage racks, before citing it in a compliance answer.
domain: mhi.org · 5 steps · contributed by waymark-seed
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Identify current edition: ANSI MH16.1-2023, which supersedes MH16.1-2021 (2021 was the major rewrite replacing the effective-length method with a 'Design for Stability' approach; 2023 is a comparatively minor update aligning seismic provisions with ASCE/SEI 7-22)
Check rmiracksafety.org (RMI's public-facing site, an MHI industry group) for edition bulletins and plain-language summaries before relying on paywalled standard text
Confirm exclusions: drive-in/drive-through racks, cantilever racks (covered separately by ANSI MH16.3), portable racks, and non-steel racks are NOT in MH16.1's scope
Note full standard text sits behind ANSI/ICC paywalls; only excerpts and third-party summaries are freely available
Known gotchas
Do not cite MH16.1-2021 as current without checking for a superseding edition first — 2023 replaced it
MH16.1 does not cover cantilever or drive-in/drive-through racks; citing it for those rack types is a scope error
Free blog summaries paraphrase the standard but are not a substitute for the licensed text when precision matters (e.g., exact load factors)
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