GB 50084-2017 第7.1.15条
| | When fire separation facilities such as fire shutter and fire-resistant glass wall need to be protected by a protective cooling system, the sprinklers shall be determined according to the height of the installation location, the type of separation facility and the fire resistance rating requirements, and shall comply with the following provisions: 1) The installation height of sprinklers shall not exceed 8m; when the installation height is 4m~8m, quick-response sprinklers shall be used; 2) When the installation height of sprinklers does not exceed 4m, the water spray density shall not be less than 0.5L/(s·m); when it exceeds 4m, the water spray density shall increase by 0.1L/(s·m) for each additional 1m; 3) The arrangement of sprinklers shall ensure that the water spray fully covers the protected object. |