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Risk is the lack of certainty about the outcome of making a particular choice. Statistically, the level of downside risk can be calculated as the product of the probability that harm occurs (e.g., that an accident happens) multiplied by the severity of that harm (i.e., the average amount of harm or more conservatively the maximum credible amount of harm).
Failure mode criticality assessment may be qualitative or quantitative. For qualitative assessment, a mishap probability code or number is assigned and entered on the matrix. For example, MIL–STD–882 uses five probability levels:
A risk management plan is a document to foresee risks, estimate impacts, and define responses to risks. It also contains a risk assessment matrix.According to the Project Management Institute, a risk management plan is a "component of the project, program, or portfolio management plan that describes how risk management activities will be structured and performed".
Preliminary risk levels can be selected based on a risk matrix like shown below, based on Mil. Std. 882. [31] The higher the risk level, the more justification and mitigation is needed to provide evidence and lower the risk to an acceptable level. High risk should be indicated to higher level management, who are responsible for final decision ...
LOPA is a risk assessment undertaken on a 'one cause–one consequence' pair. The steps of a LOPA risk assessment are: [4] Identify the consequences, using a risk matrix; Define the risk tolerance criteria (RTC), based on the tolerable/intolerable regions on the risk matrix; Define the relevant accident scenario, e.g. mechanical or human failure
Implementing a risk-ranking methodology to prioritize risks within and across functions. Establishing a risk committee and/or chief risk officer (CRO) to coordinate certain activities of the risk functions. Establishing ownership for particular risks and responses. Demonstrating the cost-benefit of the risk management effort.
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The level of risk is usually not absolute, it is usually relative to the matrix in which it appears, producing a useful gradation. Avoid using this template for transient situations. The colors are chosen to intuitively reflect situations generally considered negative and undesirable. Do not use this template to describe desirable situations.