桥架铺设好后，会定期进行维修保养桥架，但由于铺设环境太特殊，桥架腐蚀太严重，那么有必要拆除老化的产品。如何进行安全的拆装工作，需要注意以下几个方面。

After the bridge is laid, it will be repaired and maintained regularly. However, due to the special laying environment and serious corrosion of the bridge, it is necessary to remove the aged products. How to carry out safe disassembly and assembly work requires attention to the following aspects.

在拆除桥架之前，应在施工前公开施工技术，让员工了解如何拆除，了解现场的安全隐患，增加安全防护。施工前需要与项目负责人确认设备已准备好进行拆卸，并特别注意设备接地线的断开。施工前，检查标志是否齐全。如果不完整，需要补充收费。施工过程中，注意保存图片和图片，以备日后项目反馈。所有电缆必须用专用工具拆除，不得直接剪断。

Before removing the bridge, the construction technology shall be disclosed before construction, so that employees can understand how to remove it, understand the potential safety hazards on site, and increase safety protection. Before construction, confirm with the project leader that the equipment is ready for disassembly, and pay special attention to the disconnection of equipment grounding wire. Before construction, check whether the signs are complete. If it is incomplete, additional charges are required. During construction, pay attention to the preservation of pictures and pictures for future project feedback. All cables must be removed with special tools and shall not be cut directly.

需要熟悉环境，了解电控的操作位置和设备。拆卸设备时，必须清楚断电状态，并接好接地线，方可操作。其次，做好拆迁现场的安全防护和防触电措施。然后，拆桥时要注意安全带的位置，不能系在桥和桥的支撑上。正确、熟练地使用现场工程机械，了解其性能。在拆解过程中操作过程中，严格遵守防火防爆规定。

It is necessary to be familiar with the environment and understand the operation position and equipment of electric control. When disassembling the equipment, the power-off state must be clear and the grounding wire must be connected before operation. Secondly, safety protection and electric shock prevention measures shall be taken at the demolition site. Then, pay attention to the position of the safety belt when removing the bridge, and do not tie it to the bridge and its support. Correctly and skillfully use site construction machinery to understand its performance. During disassembly and operation, strictly observe fire and explosion prevention regulations.

使用明火作业时，必须采取防火措施，并有专人看守。严禁在易燃易爆物品周围使用明火作业。固定的为避免交叉作业，高空作业必须系好安全带，悬挂式安全带必须符合安全规程要求，并有专人看管。除了交通维护，晚上在工作时间内，还应提供足够亮度的照明和安保人员。

When working with open fire, fire prevention measures must be taken and special personnel shall be assigned to guard. It is strictly prohibited to use open fire around inflammables and explosives. Fixed in order to avoid cross operation, the safety belt must be fastened for high-altitude operation, and the hanging safety belt must meet the requirements of safety regulations and be watched by a specially assigned person. In addition to traffic maintenance, sufficient lighting and security personnel shall be provided during working hours at night.

有时还需要根据起重作业设备的重量选择吊车或起重设备来承受重锚点应设置牢固，并做好起重安全防护工作。之后，现场配备专职安全检查员，及时检查和排除不安全因素。

Sometimes it is necessary to select a crane or lifting equipment to bear the heavy load according to the weight of the lifting equipment. The anchor point shall be set firmly and the lifting safety protection shall be done well. After that, the site shall be equipped with full-time safety inspectors to timely check and eliminate unsafe factors.

济南电缆桥架老化产品拆除过程应由承包商和业主记录并确认。此外，除锈防腐要求除锈、焊渣、毛刺、污垢和原有的弱漆膜。附着力强的原漆可以保留，但新漆的原则应与原漆在颜色上相同或至少相近。有时涂两层底漆和两层涂满全身。涂漆时，让薄膜完全干燥，然后再涂下一层。每层膜厚应为30-40um，涂层应均匀无渗漏。

The removal process of Jinan cable tray aging products shall be recorded and confirmed by the contractor and the owner. In addition, derusting and anti-corrosion require derusting, welding slag, burr, dirt and the original weak paint film. The original paint with strong adhesion can be retained, but the new paint shall be the same or at least similar in color to the original paint. Sometimes two coats of primer and two coats are applied to the whole body. When painting, allow the film to dry completely before applying the next layer. The film thickness of each layer shall be 30-40um, and the coating shall be uniform without leakage.

除了拆迁工程要注意的事项外，还要落实文明施工，及时清理和运输垃圾，使工程竣工后施工现场干净整洁。所有电气设备应业主积极协商沟通。业主与乙方人员共同确认并监督工作，确保拆迁工作顺利进行。在桥架老化和拆除过程中注意以上几点，以确保人身安全，提高工作效率。但是，在使用的时候还是要注意桥架的保养和维护。

In addition to the matters needing attention in the demolition project, civilized construction shall be implemented, and garbage shall be cleaned and transported in time to make the construction site clean and tidy after the completion of the project. All electrical equipment shall be actively negotiated and communicated with the owner. The owner and Party B's personnel shall jointly confirm and supervise the work to ensure the smooth progress of the demolition work. Pay attention to the above points in the process of bridge aging and removal to ensure personal safety and improve work efficiency. However, pay attention to the maintenance of the bridge when using it.

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