1982年10月,徐州市房管局建筑四处在湖滨3号楼工地施工。14日上午房管局安全科到工地检查,发现木工拆除钢模时把架子下面的安全网砸塌了。401队队长张爱华知道后立即动手把安全网整理好。下午,四处专职安全员王广金又协助队里把安全网整理加固,一直干到下午5点多,看看没问题了, October 1982, Xuzhou City Housing Authority building around the lake 3 site construction site. On the morning of the 14th, the Security Bureau of the Housing Authority made a site inspection and found that when the carpentry demolished the steel mold, the safety net under the shelter collapsed. 401 captain Zhang Aihua know immediately after finishing the safety net. In the afternoon, full-time security officer Wang Guangjin assisted the team to organize and reinforce the safety net. The team worked until 5 pm and saw no problem.