安全方面：存在进入施工现场的工人未带安全冒现象。原因分析：①天气炎热：②现场管理人员松懈。

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　　根据二号宿舍楼和办公楼的建筑面积，钢筋工不少于50人，一号宿舍楼钢筋工不少于20人。

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• Use keywords related to your blog's topic.
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　　5、工地现场材料堆放比较混乱。