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GB 51251-2017 第3.1.6条 Technical Standard for Smoke Control and Exhaust Systems in Buildings

Smoke control system design消防工程

GB 51251-2017 第3.1.6条

| **** | Enclosed stairwells (enclosed stairwells within the hotel that are not on both sides of an evacuation corridor) shall use a natural ventilation system; where natural ventilation is not possible, a mechanical pressurization air supply system shall be provided. |

Other clauses of this standard

GB 51251-2017 第1.0.2条Technical Standard for Smoke Control and Exhaust Systems in…
GB 51251-2017 第1.0.3条Technical Standard for Smoke Control and Exhaust Systems in…
GB 51251-2017 第1.0.4条Technical Standard for Smoke Control and Exhaust Systems in…
GB 51251-2017 第1.0.5条Technical Standard for Smoke Control and Exhaust Systems in…
GB 51251-2017 第2.1.1条Technical Standard for Smoke Control and Exhaust Systems in…
GB 51251-2017 第2.1.2条Technical Standard for Smoke Control and Exhaust Systems in…
GB 51251-2017 第2.1.3条Technical Standard for Smoke Control and Exhaust Systems in…
GB 51251-2017 第2.1.4条Technical Standard for Smoke Control and Exhaust Systems in…
GB 51251-2017 第2.1.5条Technical Standard for Smoke Control and Exhaust Systems in…
GB 51251-2017 第2.1.6条Technical Standard for Smoke Control and Exhaust Systems in…
GB 51251-2017 第2.1.7条Technical Standard for Smoke Control and Exhaust Systems in…
GB 51251-2017 第2.1.8条Technical Standard for Smoke Control and Exhaust Systems in…

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