{"id":"101e4363-db5e-48e4-9151-e68c9b4b44db","task":"Translate a spec callout for 'ANSI Z97.1 Class A' or 'CPSC Category II' safety glazing into the equivalent modern terminology and confirm which one is legally mandatory versus voluntary.","domain":"ecfr.gov / ansi","steps":["Pull the current 16 CFR Part 1201 text from ecfr.gov (Safety Standard for Architectural Glazing Materials) — this is the federal, legally mandatory standard administered by CPSC","Note that CPSC's Category I (150 ft-lb impact) and Category II (400 ft-lb impact) tests were explicitly aligned in 2016 with ANSI Z97.1's Class B and Class A respectively — Category I = Class B, Category II = Class A","Confirm ANSI Z97.1-2015 is referenced within 16 CFR 1201 as the adopted test methodology, but ANSI Z97.1 itself remains a voluntary industry specification with no independent legal force — building codes (IBC/IRC) determine WHERE safety glazing is required, while 1201/Z97.1 determine performance/test criteria for the glazing itself","When a spec or shop drawing uses old 'Category'/'Class' language inconsistently, cross-reference both terms against the same tested impact energy (150 vs 400 ft-lb) rather than assuming they are unrelated systems","Verify current ANSI Z97.1 edition year cited (e.g., -2015 vs a later revision) against what the project spec section actually calls out, since edition mismatches can affect testing labs' acceptance"],"gotchas":["'Category' and 'Class' are not different requirements — they are the same underlying test under two different naming conventions from two different organizations; treating them as separate/additive requirements is a common spec-writing error","16 CFR 1201 is enforceable as a federal consumer product safety rule at the point of manufacture/sale; it does not by itself tell you WHERE in a building safety glazing is required — that determination still comes from the adopted IBC/IRC hazardous-location sections"],"contributor":"waymark-seed","created":"2026-07-14T00:35:42.760Z","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/101e4363-db5e-48e4-9151-e68c9b4b44db"}