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Risk

Risk is defined as "the effect of uncertainty on objectives" (ISO 55000).

Uncertainty for which the probability distribution is known. 

In asset management, risk is the consequences of failure (CoF) multiplied by the probability of failure (PoF)

The quantitative and qualitative expression of possible loss that considers both the probability that an event will occur and the consequence of that event. 

Risk analysis is the study to determine the outcomes of decisions along with their probabilities

Under the ISO 31000:2009, the  word "risk" to refer to positive possibilities as well as negative ones.



Risk Management Process
Listed below are the key steps in the risk management process:
  • Risk Context 
  • Risk Framework
  • Risk Identification
  • Risk Analysis
  • Risk Treatment
  • Risk Monitoring & Review


Levels of risk
Listed below are the four primary levels at which resides within an organization.
  • Enterprise/Strategic Risk
  • Asset Risk
  • Operational Risk
  • Project Risk


Risk Architecture
Listed below are the key elements of a risk architecture:

Classification of Risk Levels
Listed below are some methods of classification of risk levels:


Management of Risk

Risk-based decision making is at the heart of asset management and this requires mindful consideration of the relationship between the probability of failure (PoF) and the consequences of failure (CoF). The complexities of these correlations can sometimes be captured on a risk matrix.
Fig. Risk-based decision making is at the heart of asset management and this requires mindful consideration of the relationship between the probability of failure (PoF) and the consequences of failure (CoF). The complexities of these correlations can sometimes be captured on a risk matrix.


Alignment across different decision-making criteria (such as risk, cost and performance) is required for ISO 55000 conformity
Fig. Alignment across different decision-making criteria (such as risk, cost and performance) is required for ISO 55000 conformity.


The relationship between Consequences of Failure (CoF) represented on the vertical (y-axis) and Probability of Failure (PoF) on the horizontal (x-axis) of a criticality/risk matrix.
Fig. The relationship between Consequences of Failure (CoF) represented on the vertical (y-axis) and Probability of Failure (PoF) on the horizontal (x-axis) of a criticality/risk matrix.


The principles of ISO 55001 help to ensure that optimization is achieved through mindful balance and measured trade-offs between decision-making criteria
Fig. The principles of ISO 55001 help to ensure that optimization is achieved through mindful balance and measured trade-offs between decision-making criteria.


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Fig. Blistering in a polyurethane roof assembly.


The risk spectrum extending along the P-F interval to illustrate the varying strategies in the Pre-P and Pre-F periods. For example, a shift from Time-Based Maintenance (TbM) to Condition-Based Maintenance (CbM)
Fig. The risk spectrum extending along the P-F interval to illustrate the varying strategies in the Pre-P and Pre-F periods. For example, a shift from Time-Based Maintenance (TbM) to Condition-Based Maintenance (CbM).

See also:

I. Care showing us the consequences of deferred maintenance on the wheel of misfortune.
Fig. I. Care showing us the consequences of deferred maintenance as he spins the wheel of misfortune.



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