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在商业建筑工地使用的钢杆架构机的每日噪音剂量和电动工具特征
David Schutt1, Tiffany Lipsey2, Mike Van Dyke1
1Department of Environmental and Radiological Health Sciences, Colorado State University, 1681 Campus Delivery, Fort Collins, CO 80523-1681, United States.
Annals of work exposures and health
|February 13, 2025
概括
建筑工人,特别是钢铁造工人,面临着电动工具带来的危险噪音暴露. 虽然低于OSHA的限制,但大多数工人超过NIOSH推的限制,这表明有严重的听力损失风险.
科学领域:
- 职业健康 职业健康 职业健康
- 工业卫生 工业卫生
- 声学 声学 在声学方面
背景情况:
- 建筑工地,特别是那些涉及钢框架的建筑工地,有许多危险的噪音来源.
- 钢杆制造商使用电动工具可能导致职业噪音引起的听力损失.
研究的目的:
- 为了评估商用钢杆架构机的噪声剂量.
- 描述用于钢框架的常见电动工具的噪音水平.
- 为了比较工人的噪音暴露与职业安全和健康管理局 (OSHA) 和国家职业安全和健康研究所 (NIOSH) 的暴露限值.
主要方法:
- 噪音剂量测量用于测量钢杆架的每日噪音剂量.
- 电动工具噪声的特征是使用八度带分析.
- 分析数据以比较OSHA允许暴露限值 (PEL) 和NIOSH推暴露限值 (REL).
主要成果:
- 钢杆框架显示平均OSHA PEL剂量为27.6%,平均NIOSH REL剂量为340.7%.
- 机操作员在统计学上显著地暴露于较高的噪音,与安装员相比 (P = 0.037).
- 所有工人均低于OSHA PEL,但35名工人中有33人超过NIOSH REL.
结论:
- 钢杆框架暴露于危险的噪音水平,特别是当与更具保护性的NIOSH REL相比进行评估时.
- 噪音暴露在更高频率时更高,这表明特定的工具特征有很大贡献.
- 当前的OSHA标准可能无法充分保护建筑工人免受噪音引起的听力损失.
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