1. In order to ensure the safety of the pit foundation guardrail, the vertical pole of the foundation pit guardrail shall be driven into the ground 50 ~ 1750px deep, the height of the vertical pole above the ground shall be 1.2m, the vertical pole shall be set at a spacing of 2m, and the distance between the vertical pole and the foundation pit slope shall not be less than 0.5m.

2、 施工基坑护栏时在坠落高度达到2米（含）以上，要求基坑临边必须设置基坑临边护栏等防护设施。

2. During the construction of foundation pit guardrail, when the falling height reaches more than 2m (included), it is required to set foundation pit edge guardrail and other protective facilities.

基坑护栏

Foundation pit guardrail

3、基坑护栏的一般要求是，总高度离地1.2米，地面距基坑临边护栏0.06米，立柱高度为1.3米，基坑临边护栏的间距为2米，临边护栏应能承受1000N的外力，并要保证架体的稳定性。

3. The general requirements of the foundation pit guardrail are that the total height is 1.2m above the ground, the ground is 0.06m away from the foundation pit edge guardrail, the column height is 1.3m, and the spacing of the foundation pit edge guardrail is 2m. The edge guardrail shall be able to withstand an external force of 1000N and ensure the stability of the frame.

4、基坑护栏立柱的表面要求刷黑黄相间的警示漆。

4. The surface of foundation pit guardrail column shall be painted with black and yellow warning paint.

5、基坑护栏的底部应有0.2米的踢脚线并刷黑黄相间的斑马状警示漆，基坑护栏的内侧悬挂“当心坠落”的警示标语。

5. The bottom of the foundation pit guardrail shall be provided with a 0.2m skirting line and painted with black and yellow zebra warning paint. The safety warning slogan "Beware of falling" shall be hung on the inner side of the foundation pit guardrail.

6、基坑护栏靠基坑侧满挂密目网，在醒目处悬挂“当心坠落”警示标语，并设置夜间警示灯。

6. The foundation pit guardrail is fully hung with dense mesh safety net near the foundation pit side, the safety warning slogan "Beware of falling" is hung at eye-catching places, and night warning lights are set.

7、基坑护栏施工过程中对地表水控制，以便进行排水措施调整，对地表滞水进行如下控制：沿基坑周边防护栏处设置一明排水沟，为了排除雨季的暴雨突然而来的明水，防止排水沟泄水不及，特在基坑一侧设一积水池，再通过污水泵及时将积水抽厂区排污系统，做到有组织排水，确保排水畅通。

7. During the construction of the foundation pit guardrail, the surface water shall be controlled to adjust the drainage measures, and the surface stagnant water shall be controlled as follows: an open drainage ditch shall be set along the protective fence around the foundation pit. In order to eliminate the open water from the rainstorm in the rainy season and prevent the drainage ditch from discharging less water, a sump shall be set at one side of the foundation pit, and then the accumulated water shall be pumped to the sewage system of the plant in time through the sewage pump, Drainage shall be organized to ensure smooth drainage.