This module of the website is aimed at the Practitioner who will be responsible for the technical assessment and advising the Client and Regulator in relation to Landslide Risk Management (LRM).
The format of the module is for a series of Questions relating to the understanding required by the Practitioner of the main concepts or steps in LRM.
We can describe the Landslide Risk Management process in terms of everyday words and concepts. The basic questions being addressed are:
These questions can be re-expressed using risk terminology as follows
Yes, we can define risk simply as
RISK = PROBABILITY x CONSEQUENCES
The steps and terminology used are shown in the following flowchart
This chart can be simplified to show the basic steps and components as follows:
It is important to realize that the likelihood or probability of a landslide event is only part of RISK. The consequences of the event must also be taken into account.
Whilst it may seem appropriate to choose a concept of risk to suit a particular project, this approach is not preferred in AGS 2007c. This approach has been used in the past, but it leads to misunderstandings/confusion and may not be directly comparable to the Acceptance Criteria. Practitioners need to use a clearly defined approach and terminology which is common to all.
Formal definitions of the terms are given in AGS 2007c Appendix A
Landslide Risk Management