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、 施工基坑護欄時在墜落高度達到2米（含）以上，要求基坑臨邊必須設(shè)置基坑臨邊護欄等防護設(shè)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.

3、基坑護欄的一般要求是，總高度離地1.2米，地面距基坑臨邊護欄0.06米，立柱高度為1.3米，基坑臨邊護欄的間距為2米，臨邊護欄應(yīng)能承受1000N的外力，并要保證架體的穩(wěn)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 should be able to withstand an external force of 1000N and ensure the stability of the frame.

4、基坑護欄立柱的表面要求刷黑黃相間的警示漆。

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

5、基坑護欄的底部應(yīng)有0.2米的踢腳線并刷黑黃相間的斑馬狀警示漆，基坑護欄的內(nèi)側(cè)懸掛“當(dāng)心墜落”的警示標(biāo)語。

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、基坑護欄靠基坑側(cè)滿掛密目網(wǎng)，在醒目處懸掛“當(dāng)心墜落”警示標(biāo)語，并設(shè)置夜間警示燈。

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、基坑護欄施工過程中對地表水控制，以便進行排水措施調(diào)整，對地表滯水進行如下控制：沿基坑周邊防護欄處設(shè)置一明排水溝，為了排除雨季的暴雨突然而來的明水，防止排水溝泄水不及，特在基坑一側(cè)設(shè)一積水池，再通過污水泵及時將積水抽廠區(qū)排污系統(tǒng)，做到有組織排水，確保排水暢通。

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.

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