第0607讲 the system saftey process.ppt

5 The System Safety Process
——系统安全程序
English for Safety engineering
词汇
catastrophic , 灾难的
Critical adj. 严重的;危险的;危急的, 临界的
评论的, 鉴定的, 批评的
rule of thumb
Negligible , 不予重视的
Hydraulic , 水压的
Caustic , 刻薄的
Exhaustive , 彻底的, 详尽的, 无遗的
Hermetically
Methodical ;按顺序的;有条不紊的
decision-making
Rationale
Imperative ;必要的;命令式的;专横的
-----English for Safety Engineering-------
Translation -paragraph 1
The system safety process is really an easy concept to grasp.
系统安全程序的概念很容易掌握。
The overall purpose is to identify hazards, eliminate or control them, and mitigate the residual risks.
该程序总的目标就是辨识危害,消除或控制它们,减轻残余的风险。
-----English for Safety Engineering-------
Translation -paragraph 1
The process bine management oversight and engineering analyses to provide prehensive, systematic approach to managing the system risks. Figure details this process.
Oversight , 失察, 疏忽, 失败, 小心照顾
n.(正式) 细心照看,密切注视
Oversee vt. 监察,监督
这个程序应该把管理检查和工程分析结合起来,为管理系统风险提供一个综合的、系统的方法。。
-----English for Safety Engineering-------
Define objectives
System Descriptions
Hazard Identification
Hazard Analysis
Risk Evaluation
Hazard control
Verification of controls
Risk Acceptance?
Risk Acceptance and Rational Documented
Periodic System Review
Y
N
Modify System
RISK
MANAGEMENT
Figure The system safety process
-----English for Safety Engineering-------
Translation -paragraph 2
As with any problem, the first step is to define the boundary conditions or analysis objectives. That is the scope or level of protection desired.
同任何问题一样,第一步就是确定边界条件或分析目标,也就是期望控制的范围和水平。
One must understand what level of safety is desired at what cost.
我们必须明白以什么成本希望达到什么样的安全水平。
-----English for Safety Engineering-------
Translation -paragraph 2
The engineer needs to answer the question: How safe is safe enough? Other questions to ask are:
What constitutes a catastrophic accident?
What constitutes a critical accident?
Is the c