Fixed support points should be set up on the bridge within 500mm of the corners and deformation joints of the junction box and cabinet, as well as the three ends of the T-joint. It is strictly prohibited to use electrical welding to cut supports and hangers; It is strictly prohibited to use wooden bricks to fix supports and hangers.

桥架安装

Bridge installation

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。

When the bridge is installed horizontally, the support span is generally 1.5-3m, and the spacing between fixed points is not more than 2m when laid vertically.

桥架应平整，无扭曲变形，内壁无毛刺，各种附件齐全

The bridge should be flat, without distortion or deformation, with no burrs on the inner wall, and all accessories complete

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。

The bridge interface should be flat, and the joints should be tight and straight. After installing the slot cover, it should be flat, without any warping angles, and the position of the outlet should be accurate.

在吊顶内敷设时，如果吊顶无法上人时应留有检修孔。

When laying inside the suspended ceiling, if it is not possible to access people, an access hole should be left.

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；每段桥架之间的接地跨接采用编织铜线。

All non conductive iron parts of the bridge should be interconnected and bridged to form a continuous conductor, and the overall grounding should be done; The grounding jumper between each section of the bridge is made of braided copper wire.

桥架经过建筑物的变形缝时，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。

When the bridge passes through the deformation joint of the building, the bridge itself should be disconnected, and the groove should be overlapped with a connecting plate without the need for fixation. Compensation allowance should be left for the protective ground wire and the wire in the slot. Straight section steel bridges should conscientiously implement safety construction rules and regulations, strengthen the management of construction personnel, implement safety construction technical measures, inspect and supervise the safe operation of construction personnel, and achieve safe and civilized construction.

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。

Organize construction personnel to learn construction standards and familiarize themselves with construction drawings, strictly follow the design and relevant regulations and standards for construction, inspect construction quality at any time, and promptly rectify any problems found.

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：

The installation of scaffolding and the safety protection devices for electrical and mechanical equipment used on the construction site should comply with relevant safety regulations and be accepted before use.? Construction personnel should comply with the following regulations throughout the entire construction process:

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。

It is necessary to comply with and implement relevant management systems for safe production and civilized construction, and accept the inspection and supervision of the construction unit's supervisory personnel. Safety helmets must be worn when entering the construction site, and safety belts must be fastened when working at heights.

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。

When working in the control room switch room, it is necessary to have a supervisor present and carry out the work in the event of a power outage. Metal items such as watches, keys, lighters, pens, etc. should be removed, and insulated gloves and shoes should be worn.

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。

When arranging and discharging cables, the consent of the supervisor should be sought in advance and carried out under the supervision of the supervisor.

施工完毕后，应将施工现场清理干净。

After the construction is completed, the construction site should be cleaned up.

安全施工管理制度

Safety Construction Management System

进出工作区域一定要登记时间人数和工作内容。

When entering or leaving the work area, it is necessary to register the time, number of people, and work content.

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。

Construction personnel entering the construction site must wear work badges, safety helmets, and work clothes.

进入工作区域施工，严禁吸烟。

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

带电操作区域必须允许工作时，穿戴绝缘手套和绝缘鞋。

When working in live working areas, it is necessary to wear insulated gloves and shoes.

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