1. Continuous and enclosed fences should be set up around the construction site according to regulations; Safety protection facilities should also be installed when building multi-story and high-rise buildings. The height of fences set up on major urban road sections, urban landscape roads, airports, docks, and station squares shall not be less than 2.5m, while the height of fences set up on other road sections shall not be less than 1.8m.

２、围挡使用的材料应保证围栏稳固、整洁、美观。市政工程项目工地，可按工程进度分段设置围栏或按规定使用统一的连续性护栏设施。施工单位不得在工地围栏外堆放建筑材料、垃圾和工程渣土。在经批准临时占用的区域，应严格按批准的占地范围和使用性质存放、堆卸建筑材料或机具设备，临时区域四周应设置高于1ｍ的围栏

2. The materials used for fencing should ensure that the fence is stable, tidy, and aesthetically pleasing. On the construction site of municipal engineering projects, fences can be set up in sections according to the project progress or unified continuous guardrail facilities can be used according to regulations. Construction units are not allowed to stack construction materials, garbage, and engineering debris outside the fence of the construction site. In areas that have been approved for temporary occupation, construction materials or machinery and equipment should be stored and unloaded strictly according to the approved land area and usage nature. A fence higher than 1m should be set up around the temporary area

３、在有条件的工地是，四周围墙、宿舍外墙等地方，必须张挂、书写反映企业精神、时代风貌的醒目宣传标语。

3. On construction sites with conditions, prominent promotional slogans reflecting the spirit of the enterprise and the style of the times must be hung and written on the surrounding walls, dormitory walls, and other places.

城市建筑工地外围围蔽，遮挡物。起到一种美化，整洁，统一的作用。现在基本城市建设中，都会用来的。围挡的高度一般在2米以上，常见的有2米，4米，6米和8米，或更高的12米等，围挡表面和张贴该项目的效果图和宣传画面等。或用于城市公益广告。

Surroundings and obstructions around urban construction sites. Play a beautifying, neat, and unified role. In the current basic urban construction, it will be used. The height of the enclosure is generally over 2 meters, with common ones being 2 meters, 4 meters, 6 meters, and 8 meters, or 12 meters higher. The surface of the enclosure and the posting of renderings and promotional images of the project are also included. Or used for urban public service advertising.

围挡高度在4米以下的，一般采用单立柱式，地下深挖基础1米左右。，立柱采用直径140ｍｍ或189ｍｍ等。

For fences with a height of less than 4 meters, a single column type is generally used, and the foundation is excavated at a depth of about 1 meter underground., The column adopts a diameter of 140mm or 189mm, etc.

围挡高度在4米以上的，一般采用双立柱式，地下深挖基础随高度的调整而调整。双立柱采用直径114ｍｍ-219ｍｍ不等。

For fences with a height of over 4 meters, a double column type is generally used, and the underground deep excavation foundation is adjusted according to the height. Double columns are used with diameters ranging from 114mm to 219mm.

表面打镀锌瓦，一般采用0.5ｍｍ厚。

The surface is coated with galvanized tiles, usually 0.5mm thick.