JHA/JSA 实操 · 情景应用 | JHA/JSA in Practice · Scenario in Action

本课目标 | Learning objectives

1. 按三步走完一个场景，并说出每一步的依据
2. 区分「更有效」与「更先做」两类答案
3. 把结论写回自己的术语表

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场景走一遍 | Walk the scenario

车间要更换 6 m 高处一根荧光灯管（含汞）。班组长递来一份三行 JHA：①搬梯子；②爬上去拧灯管；③下来。他说「干了十年，没啥问题」。你手上还有一条信息：上月同园区另一厂在搬运环节摔碎灯管，两人接触汞蒸气。

A workshop needs a fluorescent tube (mercury-containing) replaced at six metres. The team leader hands over a three-line JHA: carry the ladder, climb and twist the tube, come down. He says ten years, no problems. You also know another plant in the park broke a tube during handling last month and two people were exposed to mercury vapour.

1. 第一步：补漏——三行 JHA 全在「干活」段，准备与收尾整段缺失。补两步：「搬运梯子与灯管到现场（含地面清理与警戒）」「废弃灯管封装并送危废暂存」；把「爬上去拧灯管」拆成「登梯并三点接触」「断电验电后拆灯罩」「旋出旧管装入护套」「装新管」 — Step 1 — fill the gaps: all three lines sit in the doing phase; setup and closeout are missing. Add carrying the ladder and tube to the site (with housekeeping and barricading) and bagging the spent tube for hazardous-waste storage. Split the climb into three-point contact, de-energize and verify then remove the housing, twist out the old tube into a sleeve, fit the new one
2. 第二步：按新步骤配危害与控制——搬运：灯管坠落破碎→专用硬质护套+两人抬运+铺设遮挡；登梯：2.4 m 以上坠落→平台梯或移动脚手架替代梯子（消除优先）+监护人；断电：误送电→挂牌上锁+验电；拆装：汞蒸气→护套操作+手套+破碎应急包；收尾：废弃管混入普通垃圾→危废标签与专柜 — Step 2 — hazards and controls per step: handling — breakage, so a rigid sleeve, two-person carry and floor covering; climbing — falls above 2.4 m, so a platform ladder or mobile scaffold instead of a ladder (elimination first) plus an attendant; isolation — unexpected energization, so lockout-tagout plus verify; removal — mercury vapour, so sleeve handling, gloves and a breakage kit; closeout — spent tubes in general waste, so hazardous-waste labelling and a dedicated cabinet
3. 第三步：交底与验证——班前会讲四句：这活分几步、最危险的是搬运与登高、谁监护谁验电、破碎了怎么办（开窗、撤离、用应急包、报 EHS）。让作业人复述「灯管碎了第一步做什么」，答不出就不开工。验证：监护人现场确认护套与挂牌到位后签字 — Step 3 — brief and verify: four lines at the toolbox talk — how many steps, the two riskiest are handling and height, who attends and who verifies isolation, and what to do on breakage (ventilate, evacuate, use the kit, call EHS). Have the worker restate the first action after a break; no answer, no start. Verification: the attendant confirms sleeve and tag in place, then signs

走完这三步再往下答题；答案不是背出来的，是按步骤推出来的。/ Work the three steps before answering — the answer is derived, not recalled.

情景自测 | Scenario check

考点应用Exam-point application

这道题考什么：考最易漏拆的步骤。
Tests the most frequently missed steps.

更换 6 m 高灯管的 JHA，哪一步最容易被漏拆？

In a JHA for lamp replacement at six metres, which step is most often missed?

自编练习题，不是 BCSP 官方真题，也不能用来预测分数。 / Original practice item, not an official BCSP exam question.

动手练 | Practice

1. 给自己岗位的一项任务写 JHA，并在班前会上试讲一次。
Write a JHA for one of your own tasks and deliver it at a toolbox talk.

学习打卡与笔记 | Progress & notes

已完成 0/4 项 / 0/4 tasks complete

进度保存在当前浏览器，不会自动跨设备同步。/ Progress is stored in this browser only.

可靠来源 | Official references

BCSP — CSP Examination Blueprint (CSP11)

BCSP — Official Self-Assessments

BCSP — Certified Safety Professional (CSP)

Pearson VUE — CSP 考试预约 / Scheduling

本课为一般性学习资料，不替代现场专业评估、法规要求或组织程序。/ Educational content only.