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Last edited 08 Feb 2021
Place of special fire hazard
- Oil-filled transformer rooms.
- Switch gear rooms.
- Boiler rooms.
- Storage spaces for fuel or other highly flammable substance(s).
- Rooms that house a fixed internal combustion engine.
A protected lobby should be provided between an escape stairway and a place of special fire hazard. The lobby should have not less than 0.4m² permanent ventilation, or should be protected from the ingress of smoke by a mechanical smoke control system.
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