Dam Breach Inundation Analysis - Revision history

Mpollei@gfnet.com at 17:57, 19 July 2023

2023-07-19T17:57:01Z

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	A flooding inundation map ([https://www.usgs.gov/mission-areas/water-resources/science/emerging-flood-inundation-mapping-technologies USGS, 2019])		A flooding inundation map
			(Image Source: [https://www.usgs.gov/mission-areas/water-resources/science/emerging-flood-inundation-mapping-technologies USGS, 2019])
	}}		}}
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	==Best Practices Resources==		==Best Practices Resources==
	{{Document Icon}} [[Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946) \| Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946), FEMA~~, 2013~~]]		{{Document Icon}} [[Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946) \| Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946), FEMA]]
	{{Document Icon}} [[Federal Guidelines for Dam Safety (FEMA P-93) \| Federal Guidelines for Dam Safety (FEMA P-93), FEMA~~, 2004~~]]		{{Document Icon}} [[Federal Guidelines for Dam Safety (FEMA P-93) \| Federal Guidelines for Dam Safety (FEMA P-93), FEMA]]
	{{Document Icon}} [[Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420) \| Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420), USACE~~, 1997~~]]		{{Document Icon}} [[Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420) \| Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420), USACE]]

	==Trainings==		==Trainings==

Rmanwaring at 21:02, 19 December 2022

2022-12-19T21:02:56Z

← Older revision		Revision as of 21:02, 19 December 2022
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	“Safety design includes studies to ascertain areas that would be flooded during occurrence of the design flood and in the event of dam failure. The areas downstream from the project should be evaluated to determine the needs for land acquisition, flood plain management, or other methods to prevent major damage. Information should be developed and documented suitable for releasing to downstream interests regarding remaining risks of flooding.” <ref name ="FEMA93">[[Federal Guidelines for Dam Safety (FEMA P-93) \| ~~FEMA P-93~~ Federal Guidelines for Dam Safety, FEMA, 2004 ]]</ref>		“Safety design includes studies to ascertain areas that would be flooded during occurrence of the design flood and in the event of dam failure. The areas downstream from the project should be evaluated to determine the needs for land acquisition, flood plain management, or other methods to prevent major damage. Information should be developed and documented suitable for releasing to downstream interests regarding remaining risks of flooding.” <ref name ="FEMA93">[[Federal Guidelines for Dam Safety (FEMA P-93) \| Federal Guidelines for Dam Safety (FEMA P-93), FEMA, 2004]]</ref>

	“The selection of an appropriate model for computing a dam breach is dependent on the type of results needed, the level of effort that can be expended, and the potential for loss of life and economic damages that can result from a dam failure." <ref name ="FEMA946">[[Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946) \| ~~FEMA P-946~~ Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Dam Failures, FEMA, 2013 ]]</ref>		“The selection of an appropriate model for computing a dam breach is dependent on the type of results needed, the level of effort that can be expended, and the potential for loss of life and economic damages that can result from a dam failure." <ref name ="FEMA946">[[Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946) \| Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Dam Failures (FEMA P-946), FEMA, 2013]]</ref>

	“For dams in rural areas where the potential for loss of life is low, a tier 1 level study using simplified methods may be appropriate. For areas where a potential dam breach can result in the loss of life an intermediate tier 2 level or advanced tier 3 should be performed. The intermediate tier 2 level study may be used for areas where more detailed calculations are justified because of the potential for loss of life. Advanced tier 3 level studies may be needed to develop dam breach inundation zone mapping for urbanized areas and for unconfined floodplains.” <ref name ="FEMA946"/>		“For dams in rural areas where the potential for loss of life is low, a tier 1 level study using simplified methods may be appropriate. For areas where a potential dam breach can result in the loss of life an intermediate tier 2 level or advanced tier 3 should be performed. The intermediate tier 2 level study may be used for areas where more detailed calculations are justified because of the potential for loss of life. Advanced tier 3 level studies may be needed to develop dam breach inundation zone mapping for urbanized areas and for unconfined floodplains.” <ref name ="FEMA946"/>

Rmanwaring at 21:02, 19 December 2022

2022-12-19T21:02:08Z

← Older revision		Revision as of 21:02, 19 December 2022
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	==Best Practices Resources==		==Best Practices Resources==
	{{Document Icon}} [[Federal Guidelines for Dam ~~Safety~~ (FEMA P-93)\|Federal Guidelines for Dam ~~Safety~~ (FEMA P-~~93) (Federal Emergency Management Agency~~)]]		{{Document Icon}} [[Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946) \| Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946), FEMA, 2013]]
	{{Document Icon}} [[Federal Guidelines for ~~Inundation Mapping of Flood Risks Associated with~~ Dam ~~Incidents and Failures~~ (FEMA P-~~946~~)\|Federal Guidelines for ~~Inundation Mapping of Flood Risks Associated with~~ Dam ~~Incidents and Failures~~ (FEMA P-~~946) (Federal Emergency Management Agency~~)]]		{{Document Icon}} [[Federal Guidelines for Dam Safety (FEMA P-93) \| Federal Guidelines for Dam Safety (FEMA P-93), FEMA, 2004]]
	{{Document Icon}} [[Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420)\|Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420) ~~(U.S. Army Corps of Engineers)~~]]		{{Document Icon}} [[Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420) \| Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420), USACE, 1997]]

	==Trainings==		==Trainings==

Grichards at 22:27, 13 December 2022

2022-12-13T22:27:24Z

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	* [[Terrain Data]]		* [[Terrain Data]]
	* [[Reservoir Data]]		* [[Reservoir Data]]
			* [[Breach Scenarios]]
	* [[Breach Parameters]]		* [[Breach Parameters]]
	* [[Land Roughness]]		* [[Land Roughness]]

Grichards at 22:22, 13 December 2022

2022-12-13T22:22:13Z

← Older revision		Revision as of 22:22, 13 December 2022
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	“The selection of an appropriate model for computing a dam breach is dependent on the type of results needed, the level of effort that can be expended, and the potential for loss of life and economic damages that can result from a dam failure." <ref name ="FEMA946">[[Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946) \| FEMA P-946 Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Dam Failures, FEMA, 2013 ]]</ref>		“The selection of an appropriate model for computing a dam breach is dependent on the type of results needed, the level of effort that can be expended, and the potential for loss of life and economic damages that can result from a dam failure." <ref name ="FEMA946">[[Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946) \| FEMA P-946 Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Dam Failures, FEMA, 2013 ]]</ref>


	“For dams in rural areas where the potential for loss of life is low, a tier 1 level study using simplified methods may be appropriate. For areas where a potential dam breach can result in the loss of life an intermediate tier 2 level or advanced tier 3 should be performed. The intermediate tier 2 level study may be used for areas where more detailed calculations are justified because of the potential for loss of life. Advanced tier 3 level studies may be needed to develop dam breach inundation zone mapping for urbanized areas and for unconfined floodplains.” <ref name ="FEMA946"/>		“For dams in rural areas where the potential for loss of life is low, a tier 1 level study using simplified methods may be appropriate. For areas where a potential dam breach can result in the loss of life an intermediate tier 2 level or advanced tier 3 should be performed. The intermediate tier 2 level study may be used for areas where more detailed calculations are justified because of the potential for loss of life. Advanced tier 3 level studies may be needed to develop dam breach inundation zone mapping for urbanized areas and for unconfined floodplains.” <ref name ="FEMA946"/>

Grichards at 22:21, 13 December 2022

2022-12-13T22:21:22Z

← Older revision		Revision as of 22:21, 13 December 2022
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	“Safety design includes studies to ascertain areas that would be flooded during occurrence of the design flood and in the event of dam failure. The areas downstream from the project should be evaluated to determine the needs for land acquisition, flood plain management, or other methods to prevent major damage. Information should be developed and documented suitable for releasing to downstream interests regarding remaining risks of flooding.” <ref name ="FEMA93">[[Federal Guidelines for Dam Safety (FEMA P-93) \| FEMA P-93 Federal Guidelines for Dam Safety, FEMA, 2004 ]]</ref>		“Safety design includes studies to ascertain areas that would be flooded during occurrence of the design flood and in the event of dam failure. The areas downstream from the project should be evaluated to determine the needs for land acquisition, flood plain management, or other methods to prevent major damage. Information should be developed and documented suitable for releasing to downstream interests regarding remaining risks of flooding.” <ref name ="FEMA93">[[Federal Guidelines for Dam Safety (FEMA P-93) \| FEMA P-93 Federal Guidelines for Dam Safety, FEMA, 2004 ]]</ref>

	“The selection of an appropriate model for computing a dam breach is dependent on the type of results needed, the level of effort that can be expended, and the potential for loss of life and economic damages that can result from a dam failure"		“The selection of an appropriate model for computing a dam breach is dependent on the type of results needed, the level of effort that can be expended, and the potential for loss of life and economic damages that can result from a dam failure." <ref name ="FEMA946">[[Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946) \| FEMA P-946 Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Dam Failures, FEMA, 2013 ]]</ref>

	“For dams in rural areas where the potential for loss of life is low, a tier 1 level study using simplified methods may be appropriate. For areas where a potential dam breach can result in the loss of life an intermediate tier 2 level or advanced tier 3 should be performed. The intermediate tier 2 level study may be used for areas where more detailed calculations are justified because of the potential for loss of life. Advanced tier 3 level studies may be needed to develop dam breach inundation zone mapping for urbanized areas and for unconfined floodplains.” <ref name ="FEMA946">[[Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946) \| FEMA P-946 Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Dam Failures, FEMA, 2013 ]]</~~ref~~>
			“For dams in rural areas where the potential for loss of life is low, a tier 1 level study using simplified methods may be appropriate. For areas where a potential dam breach can result in the loss of life an intermediate tier 2 level or advanced tier 3 should be performed. The intermediate tier 2 level study may be used for areas where more detailed calculations are justified because of the potential for loss of life. Advanced tier 3 level studies may be needed to develop dam breach inundation zone mapping for urbanized areas and for unconfined floodplains.” <ref name ="FEMA946"/>

	==Required Data==		==Required Data==

Grichards at 22:18, 13 December 2022

2022-12-13T22:18:47Z

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 [[Category:Hydraulics]]
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 “Safety design includes studies to ascertain areas that would be flooded during occurrence of the design flood and in the event of dam failure. The areas downstream from the project should be evaluated to determine the needs for land acquisition, flood plain management, or other methods to prevent major damage. Information should be developed and documented suitable for releasing to downstream interests regarding remaining risks of flooding.” <ref name ="FEMA93">[[Federal Guidelines for Dam Safety (FEMA P-93) | FEMA P-93 Federal Guidelines for Dam Safety, FEMA, 2004 ]]</ref>

Grichards at 02:18, 18 November 2022

2022-11-18T02:18:19Z

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	__NOTOC__		__NOTOC__
			[[Category:Hydraulics]]
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Grichards at 04:21, 17 September 2022

2022-09-17T04:21:20Z

← Older revision		Revision as of 04:21, 17 September 2022
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	==Required Data==		==Required Data==
	*[[Terrain Data]]		* [[Terrain Data]]
			* [[Reservoir Data]]
	*[[Reservoir Data]]		* [[Breach Parameters]]
			* [[Land Roughness]]
	*[[Breach Parameters]]

	*[[Land Roughness]]

	==Types of Analyses==		==Types of Analyses==
	*[[Hazard Potential Classification]]		* [[Hazard Potential Classification]]
			* [[Consequence Analysis]]
			* [[Incremental Damage Analysis]]
			* [[Inundation Mapping]]
			* [[Emergency Action Planning]]

	*[[~~Consequence Analysis~~]]		==Best Practices Resources==
			{{Document Icon}} [[Federal Guidelines for Dam Safety (FEMA P-93)\|Federal Guidelines for Dam Safety (FEMA P-93) (Federal Emergency Management Agency)]]
			{{Document Icon}} [[Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946)\|Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946) (Federal Emergency Management Agency)]]
			{{Document Icon}} [[Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420)\|Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420) (U.S. Army Corps of Engineers)]]

	*[[Incremental Damage Analysis]]

	*[[Inundation Mapping]]

	*[[Emergency Action Planning]]


	~~==Examples==~~
	~~{{Website Icon}}~~
	~~==Best Practices Resources==~~
	~~{{Document Icon}} [[Federal Guidelines for Dam Safety (FEMA P-93)]]~~
	~~{{Document Icon}} [[Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946)]]~~
	==Trainings==		==Trainings==
	{{Video Icon}}		{{Video Icon}} [[On-Demand Webinar: The State of the Practice and Future of Dam Breach Modeling]]
			{{Video Icon}} [[On-Demand Webinar: WinDAM - Overtopping and Internal Erosion for Earthen Embankments]]

	<!-- For information on notation for in text citations visit https://www.mediawiki.org/wiki/Help:Cite Or simply enclose the citation as shown <ref> citation </ref> in the location of the in text mention. Citations will automatically populate below-->		<!-- For information on notation for in text citations visit https://www.mediawiki.org/wiki/Help:Cite Or simply enclose the citation as shown <ref> citation </ref> in the location of the in text mention. Citations will automatically populate below-->

Cort at 20:21, 13 September 2022

2022-09-13T20:21:56Z

← Older revision		Revision as of 20:21, 13 September 2022
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	“Safety design includes studies to ascertain areas that would be flooded during occurrence of the design flood and in the event of dam failure. The areas downstream from the project should be evaluated to determine the needs for land acquisition, flood plain management, or other methods to prevent major damage. Information should be developed and documented suitable for releasing to downstream interests regarding remaining risks of flooding.” <ref name ="FEMA93">[[Federal Guidelines for Dam Safety (FEMA P-93) \| FEMA 93 Federal Guidelines for Dam Safety, FEMA, 2004 ]]</ref>		“Safety design includes studies to ascertain areas that would be flooded during occurrence of the design flood and in the event of dam failure. The areas downstream from the project should be evaluated to determine the needs for land acquisition, flood plain management, or other methods to prevent major damage. Information should be developed and documented suitable for releasing to downstream interests regarding remaining risks of flooding.” <ref name ="FEMA93">[[Federal Guidelines for Dam Safety (FEMA P-93) \| FEMA P-93 Federal Guidelines for Dam Safety, FEMA, 2004 ]]</ref>

	“The selection of an appropriate model for computing a dam breach is dependent on the type of results needed, the level of effort that can be expended, and the potential for loss of life and economic damages that can result from a dam failure"		“The selection of an appropriate model for computing a dam breach is dependent on the type of results needed, the level of effort that can be expended, and the potential for loss of life and economic damages that can result from a dam failure"
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	{{Website Icon}}		{{Website Icon}}
	==Best Practices Resources==		==Best Practices Resources==
	{{Document Icon}}		{{Document Icon}} [[Federal Guidelines for Dam Safety (FEMA P-93)]]
			{{Document Icon}} [[Federal Guidelines for Inundation Mapping of Flood Risks Associated with Dam Incidents and Failures (FEMA P-946)]]
	==Trainings==		==Trainings==
	{{Video Icon}}		{{Video Icon}}