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GB 51251-2017 第9.3.4条 Technical Standard for Smoke Control and Exhaust Systems in Buildings

Construction and Commissioning消防工程

GB 51251-2017 第9.3.4条

| **** | The pressurization supply fan shall be installed in a dedicated machine room (or a safe outdoor location), and its air inlet shall not be on the same side as the exhaust outlet of the smoke exhaust fan with insufficient distance between them. The pressurization supply fans for hotel stairwells and vestibules shall meet this requirement. |

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