1. When the cable bridge is laid in the skilled layer and the ceiling of the corridor, the spacing between the bridge and the water supply pipeline and the air duct can not meet the requirements of the specifications, and it is not convenient to open the cover plate of the bridge when the maintenance is required. In the process of installation, it is very difficult to control the equipment unless the relevant professional cooperation and technical data of related professional pipelines are done well in advance. As for this work, can we draw a sketch map in advance, summarize the technical data of the pipeline and the orientation of the bridge and cross-sectional maps of the dimensions between each other, rationally adjust the intervals between the various professional pipelines to prevent the occurrence of common diseases?

2.橋架內電纜的填充率超越規范值。在施工圖紙中，常見的只要平面布置圖，即便有剖面圖也不是很完善，其規劃內容有:

The filling rate of the 2. cable inside the bridge exceeds the standard value. In construction drawings, the most common as long as the layout plan, even if there is a section map is not very perfect, its planning content includes:

1、橋架體系的平面布置圖。

1. The layout plan of the bridge system.

2橋架體系的有關剖面圖。

2 the relevant section of the bridge system.

3橋架體系所需托盤、梯架直線段彎通、支吊架規范和數量的名細表以及必要的闡明。

3. Name list and necessary clarification of tray, straight bending of ladder, specification and quantity of support and hanger for bridge system.

4有特別要求的非規范技能闡明或祥圖。因規劃不行完善等原因，形成部分呈現放置電纜太多，甚于有滿載現象，電纜的填充率不該超越有關規范的規定值，動力電纜40%，操控電纜50%的要求。就此而言，監理人員應做好事前預控辦法，嚴格要求施工單位在未收購橋架之前，熟練掌握電氣工程體系的運用功用，對每路橋架內電纜的數量及電纜截面做好精確的計算，發現問題應及時會同規劃更改橋架的規范，有用操控質量問題的發作。

4 there are special requirements for non-standard skills clarification or auspicious drawings. Due to imperfect planning and other reasons, there are too many or even full-loaded cables in some parts. The filling rate of the cables should not exceed the stipulated value of relevant specifications. 40% of the power cables and 50% of the control cables are required. In this regard, supervisors should do a good job of pre-control measures, strict requirements for construction units before the purchase of the bridge frame, skilled in the use of electrical engineering system, the number of cables in each bridge frame and cable cross-section to do a good job of accurate calculation, found problems should be timely in conjunction with planning to change the specification of the bridge, useful control The outbreak of quality problems.

3、敷設在電纜橋架內的電纜未做固定和電纜未做符號

3. The cables laid in the cable tray are not fixed and the cables are not signed.

橋架筆直敷設時，在距地1.8m以下部分應加金屬蓋維護，但敷設在電氣專用房間內時可除外。

When the bridge is laid straight, the metal cover should be maintained below 1.8 m from the ground, except when it is laid in an electric room.

電纜橋架多層敷設時其層間間隔一般為。

The interlayer spacing of cable bridge is generally in the form of multilayer.

①橋架上部距頂板或其他障礙物不該小于0.3m。

(1) the upper part of the bridge should not be less than 0.3m from the roof or other obstacles.

②電力電纜橋架間不該小于0.3m。

The power cable bridge should not be less than 0.3m.

③操控電纜橋架間不該小于0.2m。

3. The control cable bridge should not be less than 0.2m.

④弱電電纜橋架與電力電纜橋架間不該小于0.5m，如有屏蔽蓋板可減0.3m。

(4) the bridge between weak electric cable and power cable should not be less than 0.5m, if the shielding cover can be reduced to 0.3m.

電纜橋架裝置辦法：關于特別形狀橋架，將現場丈量的尺度交于資料供貨商，由供貨商根據尺度制造，削減現場加工。橋架原料、型號、厚度以及附件滿足規劃要求。

Cable Bridge Installation: For special shape bridge, the scale of field measurement is delivered to the data supplier, which manufactures according to the scale and cuts down on site processing. The material, type, thickness and accessories of the bridge meet the planning requirements.

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