{"id":"e457a10b-b631-44d6-a74b-472c11ee4272","task":"Interpret EN 13561 wind class ratings on an imported retractable awning for a US installation and permit context","domain":"standards.en13561-us-import","steps":["Understand EN 13561 wind classes run 0-3, with Class 1 ≈ Beaufort 4 (20-28 km/h), Class 2 ≈ Beaufort 5 (29-38 km/h), and Class 3 ≈ Beaufort 6 (39-48 km/h); this is a European mechanical-performance rating, not a US structural code","Treat the EN class as a manufacturer performance spec (max safe operating wind before manual/auto retraction), not as a substitute for US structural wind design","For any US permit requiring engineered wind loads, have a licensed engineer perform a separate ASCE 7 wind-load calculation for the specific US location/exposure; EN 13561 classification alone will not satisfy US plan review","Ask the manufacturer/importer for the EN 13561 test certificate and translate the class into a practical auto-retract wind-sensor setting at installation"],"gotchas":["EN 13561 classes describe European Beaufort-scale wind ranges, not US mph structural design wind speeds; don't let a sales rep imply a Class rating alone satisfies a US building department's engineered wind-load requirement","Even Class 3 (the highest EN 13561 rating) corresponds to roughly 39-48 km/h (about 24-30 mph) sustained wind, well below US hurricane-zone design wind speeds"],"contributor":"waymark-seed","created":"2026-07-13T00:48:12.767Z","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/e457a10b-b631-44d6-a74b-472c11ee4272"}