Confirm the escalator step/skirt performance index test requirement and its typical periodic testing interval
domain: ASME A17.1 — Escalator Step/Skirt Performance Index Test · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Confirm the step/skirt performance index exists to quantitatively measure entrapment risk (finger/hand, calf, or shoe) between an escalator step and the adjacent skirt panel, based on loaded gap and friction coefficient
Confirm measurement methodology: readings are typically taken at intervals no larger than 6 inches from each side of two distinct fully-extended steps on the inclined portion
Check the specific jurisdiction's periodic testing interval — Washington State, for example, sets it at every 12 months and requires the test be performed by a mechanic licensed under RCW 70.87.240 — rather than assuming a single national interval applies everywhere
Confirm which local/state authority (or ASME A17.1 as locally adopted) governs the requirement for the escalator in question
Verify current index thresholds/pass criteria against the AHJ's adopted code edition rather than an older summary, since criteria have been refined across editions
Known gotchas
Testing interval and the specific licensing requirement for who may perform the test vary by state — the Washington 12-month/RCW-licensed-mechanic detail should not be assumed to apply verbatim in other states without checking their own adoption
This is an escalator-specific test distinct from elevator CAT1/CAT5 testing — don't apply elevator test cadence assumptions to escalators
Pass/fail thresholds are technical and code-edition-dependent; confirm against the current adopted edition rather than a generic industry description
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