Solutions for enclosed staircases
ERP fire safety - Technical Instruction 246 on smoke control
Article REF: TBA3049 V1
Solutions for enclosed staircases
ERP fire safety - Technical Instruction 246 on smoke control

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Publication date: December 10, 2013, Review date: March 1, 2021 | Lire en français

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4. Solutions for enclosed staircases

4.1 Natural sweeping smoke ventilation

The natural sweep of a staircase is achieved by opening a smoke vent with a geometric surface area of 1 m 2 or a smoke extraction opening with an identical free surface area, located in the upper part of the stairwell, and an air supply, as defined in § 2.3 ...

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