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施工安全防护技术-基坑支护 | 2013-2-26 8:20:00
①基础施工阶段,在距基坑上口外侧1.5m处设置护身栏杆,沿基坑设置,要连续,不得留有缺口。
②栏杆高度为1.2米,设两道横向护身栏杆,内侧挂密目安全网封严,安全网用14#铅丝绑扎。
③护身栏杆立杆间距2.0m,立杆埋入地下深度应大于30cm。
④横、竖向栏杆刷红白漆,每段30cm。
⑤围护栏杆内不得堆放任何材料和杂物。
⑥围护栏杆外侧堆放荷载不得超过3.5t/M2。
⑦施工人员禁止进入围护栏杆内行走。
⑧施工人员上下基坑按要求在固定位置搭设马道,不得随意穿越维护栏杆。
⑨定期检查维护栏杆是否紧固,安全网是否挂牢、挂严。
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