- 1、本文档共34页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
洞坑作业1
* The following concerns must be addressed by a competent person: Evaluate soil conditions [1926 Subpart P Appendix A] and select appropriate protective systems [1926 Subpart P Appendix F]. Construct protective systems in accordance with the standard requirements [1926.652]. Preplan; contact utilities (gas, electric) to locate underground lines, plan for traffic control if necessary, determine proximity to structures that could affect choice of protective system. Test for low oxygen, hazardous fumes and toxic gases, especially when gasoline engine-driven equipment is running, or the dirt has been contaminated by leaking lines or storage tanks. Insure adequate ventilation or respiratory protection if necessary. Provide safe access into and out of the excavation. Provide appropriate protections if water accumulation is a problem. Inspect the site daily at the start of each shift, following a rainstorm, or after any other hazard-increasing event. Keep excavations open the minimum amount of time needed to complete operations. Surface crossing of trenches should not be made unless absolutely necessary. However, if necessary, they are only permitted under the following conditions: -- Vehicle crossings must be designed by and installed under the supervision of a registered professional engineer. -- Walkways or bridges must: -- have a minimum clear width of 20 inches, -- be fitted with standard rails, and -- extend a minimum of 24 inches past the surface edge of the trench. * * OSHA Office of Training and Education * 坑洞的检查 如果安全人员发现坑壁存在塌方的危险,或任何影响安全施工的因素,如:保护系统失效、危险气体超标等,应立即采取: 人员从危险区域撤离, 直至安全措施落实到位,才可以继续施工。 OSHA Office of Training and Education * 评估 由施工方在坑洞作业前,对作业现场进行评估: 分析土壤类型及状态 确定保护系统 检测氧气含量、易燃易爆气体及有毒气体含量 设计安全通道 提供联络工具 配备所需安全设备和器械 断层 OSHA Office of Training and Education * 总结 塌方是坑洞作业中危害最大的一种风险。 通过放坡/台、安装人员保护设备、修建坑壁支撑系统等方式,对施工人员进行保护。 由专职坑洞作业安全人员对作业区域进行日常检查。
您可能关注的文档
最近下载
- 驼峰500重载无人机产品介绍.pdf VIP
- 建筑与市政施工现场安全卫生与职业健康通用规范培训课件-(2).pptx VIP
- 2025年社会工作者《初级综合能力》考点速记20页.pdf
- 联勤保障部队第九四〇医院面向社会招聘93人招聘笔试备考试题及答案解析.docx VIP
- SYNSPEC PM型颗粒物在线监测系统说明.ppt
- 从去思碑到言行录-元代士人的政绩颂扬、交游文化与身分形.pdf
- 赢利-未来10年的经营能力-读后感.pptx VIP
- 一次函数存在性问题(菱形).docx VIP
- 肠内营养并发症的预防与管理肠道感染的措施.pptx
- 2024年2月贵州省2024届高三大联考英语试卷(含答案).pdf VIP
文档评论(0)