CSP Day 17 · Risk Matrix & Hierarchy in Practice

第 3 块 · 备考基线 · Exam Baseline第 1 / 5 课 · 概念解析Lesson 1 of 5 · Core Concepts

本课只做一件事：搞清「风险矩阵与控制层级实操」到底是什么、为什么考试要先过这一关、它管到哪里为止。

Get clear on what Risk Matrix & Hierarchy in Practice really is, why it comes first, and where it stops.

本课不涉及：不展开细节与题目——那是第 2–5 课的事。
Not covered here: No detail, no questions — those are lessons 2 to 5.

本课目标 | Learning objectives

能用一句话说清「风险矩阵与控制层级实操」解决的是什么问题
能举出一个「不懂它就一定做错」的例子
知道本课的边界，不把后续课的内容提前混进来

State in one sentence the problem Risk Matrix & Hierarchy in Practice solves

Give one example where missing it guarantees a wrong answer

Know this lesson's boundary and keep later lessons out

上传个人图片（可选）/ Add a photo (optional)

图片经过压缩后保存在当前浏览器。导出失败时，可在下方预览图片上长按保存。/ The photo is compressed and stored in this browser. If download fails, long-press the preview below to save it.

它是什么 | What it is

这一块把「屏障思维」升级成两把可打分的尺子：风险矩阵用「严重度×可能性」给风险排序，控制层级用「消除→替代→工程→管理→PPE」给措施排序。两把尺子都有固定用法：先估严重度再估可能性；先消后戴。

Two scoring tools built on barrier thinking: the risk matrix ranks risks by severity × likelihood; the hierarchy ranks controls from elimination down to PPE. Fixed usage: severity before likelihood; eliminate before you wear.

为什么先学它 / Why first

Day 2 只建立了概念，本块练的是考试与现场都在考的「排序判断」：CSP 情景题里「下列哪项最优先/最有效」几乎都归结为这两把尺子。

Day 2 built the concepts; this block trains the ranking judgment that exams and sites both test — 'which is the priority/most effective' items reduce to these two rulers.

它管到哪里为止 / Where it stops

本块不覆盖定量风险评估（LEC、故障树、事件树在 Domain 2），也不展开职业暴露的量化判定（Day 62 起）。

Quantitative risk tools (LEC, fault/event trees) come in Domain 2; exposure quantification starts at Day 62.

先认个脸 | Terms you will meet

Risk Matrix — 风险矩阵
Likelihood — 可能性
Severity — 严重度
ALARP — 最低合理可行
Inherent Risk — 固有风险
Risk Acceptance — 风险接受

这里只要求认得；定义、易混与例句在本块第 3 课「术语精讲」。/ Recognition only — definitions come in the glossary lesson of this block.

情景自测 | Scenario check

本课理解Lesson comprehension

这道题考什么：检验你是否抓住「两把尺子各管一个排序」的结构。
Checks whether you grasped that each tool ranks a different thing.

风险矩阵与控制层级分别给什么排序？

What do the risk matrix and the hierarchy of controls each rank?

A. 矩阵排措施，层级排风险 The matrix ranks controls; the hierarchy ranks risks B. 矩阵排风险（要不要管、多急），层级排措施（怎么管最好） The matrix ranks risks (whether to act and how urgent); the hierarchy ranks controls (what works best) C. 两者都排部门绩效 Both rank department performance D. 两者都排事故概率 Both rank accident probability

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. 用一句话向班组解释：为什么「风险打了分」不等于「措施选好了」？
Explain in one line why a risk score does not mean the control is chosen.

学习打卡与笔记 | Progress & notes

完成 BCSP 官方自测并记录结果 / Complete the BCSP self-assessment 建立公式表与英文术语表 / Create the formula sheet and glossary 完成情景题与两道巩固题 / Complete the scenario and both review prompts 通读蓝图 PDF 的领域与权重 / Read the blueprint domains and weights

已完成 0/4 项 / 0/4 tasks complete

连续学习 / Learning streak: 0 天 / 0 days

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.

PNG 学习记录预览；可长按图片保存 / PNG card preview; long-press to save

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.

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