Foundation pit guardrails, also known as foundation pit edge guardrails, foundation pit protective guardrails, foundation pit fences, deep foundation pit edge protective nets, etc., are mainly welded using electric welding technology and can be used for temporary safety protection of construction foundation pit edges.

基坑护栏的规格主要是1.2米高，2米宽，立柱高度为1.2米，原材料主要选用标准方钢，横杆使用30mm*30mm*1.5mm厚，立柱一般使用50mm*50mm*2mm方钢，铁板厚度是0.8米，底部设置法兰盘，每个法兰盘设置4个螺栓孔，顶部封闭，与地面用膨胀螺栓固定。

The specifications of the foundation pit guardrail are mainly 1.2 meters high and 2 meters wide, with a column height of 1.2 meters. The raw materials are mainly made of standard square steel. The horizontal bars are 30mm * 30mm * 1.5mm thick, and the columns are generally 50mm * 50mm * 2mm square steel. The thickness of the iron plate is 0.8 meters, and flange plates are set at the bottom. Each flange plate is equipped with 4 bolt holes, and the top is closed and fixed with expansion bolts to the ground.

基坑护栏主要用于建筑施工现场基坑的临边防护，也可广泛应用于配电检修、电气检修、交通及其他止步场所等。颜色主要采用黄黑相间或者红白相间，特殊颜色可按客户要求定做。

Foundation pit guardrails are mainly used for edge protection of foundation pits in construction sites, and can also be widely used in power distribution maintenance, electrical maintenance, transportation, and other stopping places. The main colors are yellow black or red white, and special colors can be customized according to customer requirements.

规定施工中基坑周边必须要安装基坑护栏，一方面是阻隔风险区域，防止呈现事故的发作，另一方面能够起到警示的效果，把警示语悬挂在基坑护栏上，让施工人员时刻牢记在心中。

It is required to install foundation pit guardrails around the foundation pit during construction. On the one hand, it is necessary to block the risk area and prevent the occurrence of safety accidents. On the other hand, it can serve as a safety warning. The warning message should be hung on the foundation pit guardrail to keep it in mind by construction personnel at all times.

基坑护栏采用新焊接技术，使焊点无瑕，抗性好，不怕磨损、不怕雨淋、抗老化，性能强，造型美观，具备警示的优点，工程结束可重复使用，灵活性极强。

The foundation pit guardrail adopts the latest welding technology, so that the welding points are perfect, resistant, not afraid of wear, rain, aging, strong safety performance, beautiful appearance, warning advantages, reusable after the project is completed, and extremely flexible.

基坑护栏是规定必须在施工现场安装的防护设施，有效的防止阻隔车辆人员掉入基坑。

Foundation pit guardrails are protective facilities that must be installed on the construction site, effectively preventing vehicles and personnel from falling into the foundation pit.