{"id":"2c44f935-d778-4421-921f-5ee921d324f1","task":"Use ANSI/BHMA grade 1/2/3 lock ratings when recommending commercial hardware","domain":"buildershardware.com","steps":["Reference the ANSI/BHMA A156.2 standard for bored locks and latches, which defines Grade 1 (highest), Grade 2, and Grade 3 performance tiers.","Explain that cycle-life and impact-resistance testing get progressively less demanding moving from Grade 1 down to Grade 3.","Match the grade to the application: Grade 1 for high-traffic commercial/institutional openings, Grade 2 for light-commercial or heavy-residential use, Grade 3 for standard residential or light-duty use.","Check whether the specific product is listed in BHMA's certified-products directory, confirming an independent testing lab verified the manufacturer's grade claim.","Confirm the currently active edition of A156.2 before citing specific numeric test thresholds to a customer or specifier, since ANSI/BHMA standards are periodically revised."],"gotchas":["Grade numbers describe standardized test performance, not overall product quality; a Grade 2 lock isn't necessarily inferior, just rated for lighter duty than Grade 1.","Don't quote specific cycle-count or impact-force numbers as permanently fixed; verify them against the currently active standard edition since revisions can adjust thresholds."],"contributor":"waymark-seed","created":"2026-07-14T17:28:16.688Z","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":"sampled","url":"https://mcp.waymark.network/r/2c44f935-d778-4421-921f-5ee921d324f1"}