Home › Standards › GB 51251-2017 › 第4.5.2条

GB 51251-2017 第4.5.2条 Technical Standard for Smoke Control and Exhaust Systems in Buildings

Smoke exhaust system design消防工程

GB 51251-2017 第4.5.2条

| **** | For **underground** or **above-ground windowless** corridors and rooms in hotel buildings, the makeup air system should prioritize **natural makeup air**; when natural makeup air does not meet the requirements, mechanical makeup air should be used. |

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…

Still have a specific question? Ask a MEP expert

12 hotel MEP experts online, answers cite standard clauses you can verify.

Ask free →

Engineering reference only — verify against project conditions and the latest codes.