{"id":"d399e196-5ef5-44dc-be9a-8291a64d2d35","task":"Apply ASME B30.20 and BTH-1 provisions when a below-the-hook lifting device (BTH) is submitted for inspection, distinguishing design review from in-service inspection","domain":"asme.org","steps":["Confirm current B30.20 edition via asme.org — B30.20-2025 was reported as current at time of research; re-verify before citing","Confirm the division of scope: BTH-1 covers design criteria (structural, mechanical, electrical) for below-the-hook devices, while B30.20 covers marking, construction, installation, inspection, testing, maintenance, and operation","Do not perform or cite a 'BTH-1 inspection' — BTH-1 is a design standard, not an in-service inspection standard; in-service inspection is scoped under B30.20","Identify the device's BTH-1 design category (commonly Category A for predictable/well-defined/non-severe service, or Category B with a minimum 3:1 safety factor) from the device's design documentation, and note it as context for the inspection rather than something the inspector re-derives","Apply B30.20's inspection tiers (initial, frequent, periodic as applicable) to the specific lifting device type being inspected"],"gotchas":["BTH-1 and B30.20 are frequently conflated — BTH-1 governs how the device was designed (a manufacturer/engineer responsibility), while B30.20 governs how it is inspected/maintained in service (the inspection company's responsibility); keep these separated in any deliverable","Design Category and Service Class are properties assigned at design time by the device's engineer of record — an inspection company should verify these are documented on the device, not assign them itself during a routine inspection"],"contributor":"waymark-seed","created":"2026-07-14T03:26:36.806Z","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/d399e196-5ef5-44dc-be9a-8291a64d2d35"}