电缆桥架在进出接线盒、箱、柜、转角、转弯和变形缝两端及丁字接头的三端500mm以内应设固定支持点。严禁用电气焊切割支吊架；严禁用木砖固定支、吊架。

Fixed support points shall be set within 500mm at both ends of the cable tray entering and leaving junction box, box, cabinet, corner, turning and deformation joint and three ends of T-joint. It is forbidden to cut supports and hangers by electric welding; It is strictly forbidden to fix supports and hangers with wooden bricks.

电缆桥架安装：

Cable tray installation:

4.1电缆桥架水平安装时，支撑跨距一般为1.5—3m，垂直敷设时固定点间距不易大于2m。

4.1 when the cable tray is installed horizontally, the support span is generally 1.5-3m, and when it is laid vertically, the distance between fixed points is not easy to be greater than 2m.

4.2电缆桥架应平整，无扭曲变形，内壁无毛刺，各种附件齐全

4.2 the cable tray shall be flat without distortion, burr on the inner wall and complete with various accessories

4.3电缆桥架接口应平整，接缝处应紧密平直。槽盖装上后应平整，无翘角，出线口的位置准确。

4.3 the interface of cable tray shall be flat, and the joint shall be tight and straight. The slot cover should be flat without warping angle after installation, and the outlet position should be accurate.

4.4在吊顶内敷设时，如果吊顶无法上人时应留有检修孔。

4.4 when laying in the ceiling, if the ceiling can not be accessed, manhole shall be reserved.

4.5电缆桥架的所有非导电部分的铁件均应相互连接和跨接，使之成为一连续导体，并做好整体接地；每段电缆桥架之间的接地跨接采用编织铜线。

4.5 the iron parts of all non-conductive parts of cable tray shall be connected and bridged to form a continuous conductor, and the whole grounding shall be well done; Braided copper wire is used for grounding bridging between each cable tray.

4.6电缆桥架经过建筑物的变形缝时，电缆桥架本身应断开，槽内用连接板搭接，不需固定。保护地线和槽内导线应留有补偿余量。直线段钢制桥应认真执行安全施工规章制度加强对施工人员管理，落实安全施工技术措施，检查和督促施工人员安全作业，做到安全、文明施工。

4.6 when the cable tray passes through the deformation joint of the building, the cable tray itself should be disconnected, and the connecting plate should be used in the slot to lap without fixing. The protective earth wire and the conductor in the slot shall have compensation allowance. The steel bridge in straight line section should conscientiously implement the rules and regulations of safe construction, strengthen the management of construction personnel, implement the technical measures of safe construction, check and urge the construction personnel to work safely, so as to achieve safe and civilized construction.

1.2组织施工人员学习施工标准和熟悉施工图纸，严格按照设计及有关规定、规范、标准要求进行施工，随时检查施工质量，发现问题及时整改。

1.2 organize the construction personnel to study the construction standards and be familiar with the construction drawings, carry out the construction in strict accordance with the design and relevant regulations, specifications and standards, check the construction quality at any time, and rectify the problems in time.

1.3对施工现场搭设脚手架、并架和施工现场使用的电气、机械设备、安全防护装置应符合相关安全规定并验收合格后才能使用。?施工人员在整个施工过程中应遵守下列规定：

1.3 the scaffolds erected on the construction site and the electrical, mechanical equipment and safety protection devices used on the construction site shall comply with the relevant safety regulations and be accepted before use.? The construction personnel shall abide by the following regulations during the whole construction process:

2.1必须遵守和执行相关的安全生产、文明施工的管理制度并应接受建设单位监理人员的检查监督。必须戴安全帽进入施工现场，高空作业必须系好安全带。

2.1 it is necessary to abide by and implement the relevant management system of safe production and civilized construction, and accept the inspection and supervision of the supervision personnel of the construction unit. Safety helmet must be worn to enter the construction site, and safety belt must be fastened when working at height.

2.3在控制室、开关室工作必须要有监护人员在场，并在断电的情况下进行作业，应摘下手表、钥匙、打火机、钢笔等金属物品，并戴绝缘手套，穿绝缘鞋。

2.3 when working in the control room and switch room, the supervisor must be present and work under the condition of power failure. Take off the watch, key, lighter, pen and other metal articles, and wear insulating gloves and shoes.

2.4需要整理排放电缆时，事前应征求监护人员的同意，并在监护人员监护下进行。

2.4 if it is necessary to arrange and discharge the cables, the consent of the supervisor shall be obtained in advance, and the arrangement shall be carried out under the supervision of the supervisor.

2.5施工完毕后，应将施工现场清理干净。

2.5 after the completion of construction, the construction site shall be cleaned up.

安全施工管理制度

Safety construction management system

1、进出工作区域一定要登记时间、人数和工作内容。

1. In and out of the work area must register the time, number and work content.

2、施工人员进场施工要佩戴工作胸卡，头戴安全帽，身穿工作服。

2. Construction personnel shall wear work cards, safety helmets and work clothes when entering the construction site.

3、进入工作区域施工，严禁吸烟。

3. Smoking is strictly prohibited when entering the work area for construction.

4、带电操作区域必须允许工作时，穿戴绝缘手套和绝缘鞋。

4. The live working area must be allowed to wear insulating gloves and shoes when working.

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