Risk Management for Dam Safety: Difference between revisions
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“The term ‘risk,’ when used in the context of dam safety, is comprised of three parts: (1) the likelihood of occurrence of a load (e.g., flood earthquake, etc.), (2) the likelihood of an adverse structural response (e.g., dam failure, damaging spillway discharge, etc.), and (3) the magnitude of the consequences resulting from that adverse event (e.g., life loss, economic damages, environmental damages, etc.).” <ref name="FEMA1025">[[Federal Guidelines for Dam Safety Risk Management (FEMA P-1025)| Federal Guidelines for Dam Safety Risk Management (FEMA P-1025), FEMA, 2015 | “The term ‘risk,’ when used in the context of dam safety, is comprised of three parts: (1) the likelihood of occurrence of a load (e.g., flood earthquake, etc.), (2) the likelihood of an adverse structural response (e.g., dam failure, damaging spillway discharge, etc.), and (3) the magnitude of the consequences resulting from that adverse event (e.g., life loss, economic damages, environmental damages, etc.).” <ref name="FEMA1025">[[Federal Guidelines for Dam Safety Risk Management (FEMA P-1025)| Federal Guidelines for Dam Safety Risk Management (FEMA P-1025), FEMA, 2015]]</ref> | ||
According to the United States Army Corps of Engineers (USACE), risk is defined as “the measure of the probability and severity of undesirable consequences” (USACE FAQ Definitions, DATE). Risk is further defined by the USACE as the product of the frequency of an event, the probability of occurrence of that event, and the consequences of that event (USACE FAQ Definitions, DATE). In recent years, risk has become a major factor in identifying where resources should be expended to achieve the highest increase in public safety. The process of using risk in this manner is known as Risk-Informed Decision Making (RIDM) and includes an entire process of identifying and analyzing potential failure modes to reduce the overall risk of a dam failure. | According to the United States Army Corps of Engineers (USACE), risk is defined as “the measure of the probability and severity of undesirable consequences” (USACE FAQ Definitions, DATE). Risk is further defined by the USACE as the product of the frequency of an event, the probability of occurrence of that event, and the consequences of that event (USACE FAQ Definitions, DATE). In recent years, risk has become a major factor in identifying where resources should be expended to achieve the highest increase in public safety. The process of using risk in this manner is known as Risk-Informed Decision Making (RIDM) and includes an entire process of identifying and analyzing potential failure modes to reduce the overall risk of a dam failure. | ||
Revision as of 18:58, 16 September 2022
“The term ‘risk,’ when used in the context of dam safety, is comprised of three parts: (1) the likelihood of occurrence of a load (e.g., flood earthquake, etc.), (2) the likelihood of an adverse structural response (e.g., dam failure, damaging spillway discharge, etc.), and (3) the magnitude of the consequences resulting from that adverse event (e.g., life loss, economic damages, environmental damages, etc.).” [1]
According to the United States Army Corps of Engineers (USACE), risk is defined as “the measure of the probability and severity of undesirable consequences” (USACE FAQ Definitions, DATE). Risk is further defined by the USACE as the product of the frequency of an event, the probability of occurrence of that event, and the consequences of that event (USACE FAQ Definitions, DATE). In recent years, risk has become a major factor in identifying where resources should be expended to achieve the highest increase in public safety. The process of using risk in this manner is known as Risk-Informed Decision Making (RIDM) and includes an entire process of identifying and analyzing potential failure modes to reduce the overall risk of a dam failure.
Risk Processes for Dam Safety
Examples
Learn the basics of risk-informed decision-making for dams at DamFailures.org
Best Practices Resources
Federal Guidelines for Dam Safety Risk Management (Federal Emergency Management Agency)
Dam and Levee Safety: Using Risk-Informed Decision Making (U.S. Army Corps of Engineers)
Trainings
On-Demand Webinar: The History of Dam Safety Governance in the US Including Risk Analysis
On-Demand Webinar: What Can I Really Expect to Get Out of a Semi-Quantitative Risk Analyses (SQRA)?
On-Demand Webinar: Risk Communication for Dams
On-Demand Webinar: Tolerable Risk Guidelines for Dams: How Safe is Safe Enough
On-Demand Webinar: Risk Assessment Basics for an Individual Dam
On-Demand Webinar: Risk Management for a Portfolio of Dams
Citations:
Revision ID: 3485
Revision Date: 09/16/2022