GB 50974-2014 第5.2.6条
| **** | Environmental requirements for the high-level fire water tank room: The high-level fire water tank room shall be well ventilated and shall not freeze. When it must be located in an unheated room in severe cold, cold, or other areas subject to freezing in winter, antifreeze measures shall be taken, and the ambient temperature or water temperature shall not be lower than 5℃. |