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北京某单位3号办公楼为地下二层,地上三层,原设计的消防报警系统为每层设置区域报警盘,消防中心没置在首层,每层区域报警盘分别用2(?)50的穿线钢管与首层的消防中心相联接,见图1。施工前,施工人员认真审查施工图纸和消防设备的接线数量、接线方式后认为,原设计的配置和敷设连接方式太复杂,可以改成较简单的配置、敷设和连接方式。施工人员与提供消防设备的单位联系。在该单位技术人
Beijing No. 3 office building for a unit on the second basement, three on the ground, the original design of the fire alarm system for each floor set up regional alarm panels, fire centers are not set in the first floor, each floor alarm panels were 2 (?) 50 The threading steel pipe is connected with the first floor fire center, as shown in Figure 1. Before construction, construction personnel carefully examine the construction drawings and the number of fire equipment wiring, the wiring that the original design configuration and laying connection is too complicated, you can change to a simple configuration, laying and connection. Construction personnel and fire fighting equipment to provide units. Technicians in the unit