GB 50974-2014 第8.3.3条
| **** | The insulation layer of fire water supply pipes shall be made of non-combustible materials; in hotel buildings, pipes in pipe shafts shall be provided with fire-stop sealing to prevent the spread of fire. |
| **** | The insulation layer of fire water supply pipes shall be made of non-combustible materials; in hotel buildings, pipes in pipe shafts shall be provided with fire-stop sealing to prevent the spread of fire. |
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.