Product(s):	WaterSight
Version(s):	10.00.
Area:	Documentation

Overview

The Risk Matrix page is accessed by clicking in the "New" button located on the top of the Risk Calculation page.

The risk for each pipe is calculated by combining the Likelihood of Failure and Consequence of Failure, using a risk matrix.

Name

In the top left of the page, the user can define a name for the risk scenario. The name should be as much intuitive as possible, as it will be used in the rest of the application.

Risk Matrix

Risk matrix is used to calculate the risk grade for each pipe. The risk matrix is composed by two dimensions:

LOF grades: default is low, medium and high (user can change LOF grade names in the LOF page)
COF grades: default is low, medium and high (user can change LOF grade names in the LOF page)

For each LOF and COF intersected grade, and by default, the risk grade is the following (below):

If LOF is low and COF is high: risk is medium (see risk matrix below)
If LOF is medium and COF is high: risk is high (see risk matrix below)
If LOF is high and COF is high: risk is high (see risk matrix below)
If LOF is low and COF is medium: risk is medium (see risk matrix below)
If LOF is medium and COF is medium: risk is medium (see risk matrix below)
If LOF is high and COF is medium: risk is high (see risk matrix below)
If LOF is low and COF is low: risk is low (see risk matrix below)
If LOF is medium and COF is low: risk is low (see risk matrix below)
If LOF is high and COF is low: risk is low (see risk matrix below)

The user has the flexibility to change the risk grade default used in each risk cell by clicking in the small arrow located inside each cell.

Likelihood of Failure Weight

The user defines here which is the LOF scenario that should be used for the risk calculation (risk matrix).

All the LOF scenarios (or cumulative) previously created in the Likelihood of Failure page will be listed under the dropdown.

Apart from this, by selecting Custom option, the user can define a new cumulative to be used, by defining exactly which aspect will be used and the respective weight.

Consequence of Failure Weight

The user defines here which is the COF scenario that should be used for the risk calculation (risk matrix).

All the COF scenarios (or cumulative) previously created in the Consequence of Failure page will be listed under the dropdown.

Apart from this, by selecting Custom option, the user can define a new cumulative to be used, by defining exactly which consequence will be used and the respective weight.

Preview Results

Before saving and while editing or creating a new risk scenario, it is possible to have access to a preview of the results in a map view. With this option it is easy to understand not only the number of pipes and length that is affected for each risk grade but also their location.

Save/Cancel

Click "save" button to save the new risk scenario (will be immediately listed in the main risk page) or click "cancel" to exit the page and return to the previous page.

WaterSight - Risk Matrix