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GB 51309-2018 第1.0条 Technical Standard for Fire Emergency Lighting and Evacuation Indication Systems

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GB 51309-2018 第1.0条

2. **Illuminance requirements**: The minimum horizontal illuminance at floor level in hotel evacuation corridors shall not be lower than lx, and in key areas such as stairwells and vestibules shall not be lower than 5.0 lx (per design).

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