Smoke leakage (S): Failure of the criterion shall have transpired In the event the flow amount in duct A in the course of the take a look at exceeds ten m³ / (m² h), linked to 20 °C and 1013 mbar, relevant to the internal floor place of the duct https://fire-rated-ductworth46788.qodsblog.com/36934178/fire-rated-ductworth-fundamentals-explained