1993年3月24日11时45分,在建中的湖南桑植县自来水公司综合楼现浇钢筋砼屋盖和第四层墙、柱突然向西北面桑洪公路方向倾塌,整个屋盖和第四层墙、柱倒翻在公路上。当时在屋顶和脚手架上施工的10名施工人员有9人被压在坍塌的钢筋砼屋盖和碎裂的砌体之下,造成7人死亡(其中4人当场死亡,3人在送往医院抢救过程中死亡), At 11:45 on March 24, 1993, under construction in Hunan Sangzhi County Water Company integrated building cast-in-place reinforced concrete roof and the fourth wall, the column suddenly to the northwest Sang Hong Highway direction of the collapse, the entire roof and The fourth floor wall, inverted column on the road. Nine of the ten construction workers who were working on rooftops and scaffolding at the time were pressed under collapsed reinforced concrete roofs and chipped masonry, killing seven people (four on the scene and three at the hospital Death during rescue),