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我社1幢八层综合型住宅楼于1993年竣工,原供水系统是:层顶水箱内设干簧管液位开关,控制地下室水泵自动供水。楼房竣工不久,因装修作业不当,原暗埋的液位开关引下电线受损短路,既不知受损的具体位置,又无法更换电线。考虑到楼顶是上人屋面,电线明布不安全,耐久性也差,电线沿外墙面明敷进地下室又十分困难,我们将原液位自动控制式改成压力自动控制式,这样所有电路局
An eight-story integrated residential building of our company was completed in 1993. The original water supply system is: there is a dry reed switch in the roof tank to control the automatic water supply in the basement pump. Shortly after the building was completed, due to improper renovation work, the original buried liquid level switch led to damage to the short circuit of the electric wire. It was not known where the damage occurred and the wire could not be replaced. Considering that the roof of the building is a master’s roof, the wire cloth is unsafe, and the durability is also poor. It is very difficult for the wires to be laid down into the basement along the outer wall surface. We have changed the original liquid level automatic control to automatic pressure control, so that all circuits Bureau