2015-06-23 I&S Agenda - Item 5 - Local Disaster Management Plan - Attachment 1

2.10 Disaster risk assessment
The sections below provide the methodology and the regional hazard risk assessment.
Acknowledgement: The regional disaster risk management information contained in this plan was prepared by GHD Pty Ltd, working with
council’s disaster management team and the Local Group and funded with the assistance of a Natural Disaster Resilience Program grant. Copies
of this document are held by the Sunshine Coast and Noosa Councils, and are available on request from the Local Disaster Coordinator.

2.10.1 Risk methodology – likelihood descriptors
Almost Certain   The event will occur at least once per year. (Average Recurrence Interval < 1 year).

Likely           The event could occur at least once every one to ten years. (Average Recurrence Interval 1-10 years).

Possible         The event could occur at least once every ten to fifty years. (Average Recurrence Interval 10-50 years).

Unlikely         The event could occur at least once every fifty to one hundred years. (Average Recurrence Interval 50-100 years).

Rare             The event could occur at least once every one hundred to one thousand years. (Average Recurrence Interval 100-1000
                 years).

Improbable       The event may occur at least once every thousand years or more. (Average Recurrence Interval >1000 years).

2.10.2 Risk methodology – consequence descriptors
Descriptor   People               Environment        Economy                 Governance         Social/Community         Infrastructure

Insignificant No known injuries   No or minimal       Minor financial loss   Governing entities Inconsequential short    Inconsequential short
              or illnesses.       impact on the       that can be            are able to        term reduction of        term failure of
                                  environment -       managed within         manage the event services, no damages       infrastructure and
                                  very limited direct standard financial     within normal      to objects of cultural   service delivery, no
                                  damage to           provisions (e.g.       parameters, public significance, no         disruption to the public
                                  ecosystems or       insurance),            administration     adverse emotional        services and utilities.
                                  elements of         inconsequential        functions without and psychological
                                  place.              disruptions at         disturbances,      impacts.
                                                      business level.        public confidence
                                                                             in governance, no
                                                                             media attention.


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