Changes to BC Building Code: Single Exit Stair

Essential to this procedure is maintaining a minimum of two stairwells allowing occupants multiple ways to escape and allowing firefighters to have dedicated use of another.

非商业公共资料研究与事实报道；仅展示核对事实所需的已评估摘录及本站中文说明。版权归原作者或发布机构；不表示来源机构认可本站。原文、来源及使用条款见链接。 来源使用条款 ↗