GB 50974-2014 第5.2.4条
| **** | High-level fire water tank installation height: The high-level fire water tank shall be installed at a location higher than the water-based fire extinguishing systems it serves, and its minimum effective water level shall satisfy the hydrostatic pressure at the most unfavorable point of the water-based fire extinguishing systems. For Class I high-rise public buildings (including hotels), it shall not be less than 0.10 MPa. When this cannot be met, jockey pumps shall be provided. |