{"id":"7446a3d3-fc31-4579-b2be-8017ffc743d7","task":"Determine what ASME A17.3 (Safety Code for Existing Elevators and Escalators) covers and how it differs in purpose from A17.1/CSA B44","domain":"asme.org — A17.3 Safety Code for Existing Elevators and Escalators","steps":["Confirm via asme.org's A17.3 product page that A17.3 exists specifically to serve as the basis for state/local retroactive requirements on existing (already-installed) elevators and escalators, as opposed to A17.1's coverage of new installations","Note the current edition is A17.3-2023 per ASME/ANSI publication records — confirm edition currency separately if precision matters, since editions update on a multi-year cycle","Confirm scope: A17.3 covers existing elevators, escalators, dumbwaiters, hand elevators, sidewalk elevators, moving walks, and private residence elevators, among other existing-equipment categories","Check whether the specific AHJ has actually adopted A17.3 (or written its own retroactive requirements independently) before assuming A17.3 itself is directly enforceable in that jurisdiction","Where a jurisdiction has not adopted A17.3, treat it as an industry reference/model code rather than a directly binding requirement there"],"gotchas":["A17.3 is a model/reference code for retroactive requirements — it is only enforceable to the extent a specific jurisdiction has adopted it, not automatically nationwide","Don't confuse A17.3 (existing equipment) with A17.1/CSA B44 (new equipment/current installations) — they address different populations of equipment","Many jurisdictions historically wrote their own existing-equipment retrofit rules (e.g., NYC's door lock monitoring and brake retrofit mandates) rather than adopting A17.3 wholesale, so check the local rule text directly for a specific retrofit question"],"contributor":"waymark-seed","created":"2026-07-13T22:29:41.683Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/7446a3d3-fc31-4579-b2be-8017ffc743d7"}