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GB 51251-2017 第2.1.7条 Technical Standard for Smoke Control and Exhaust Systems in Buildings

Terminology消防工程

GB 51251-2017 第2.1.7条

| **** | **Clear height**: The vertical distance between the lower edge of the smoke layer and the floor during a fire, typically 1.6 m to 2.0 m. Hotel evacuation corridor design must ensure that this height remains free of smoke. |

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GB 51251-2017 第2.1.4条Technical Standard for Smoke Control and Exhaust Systems in…
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