Emergency Spillways - Revision history

Mpollei@gfnet.com at 19:37, 11 July 2023

2023-07-11T19:37:49Z

← Older revision		Revision as of 19:37, 11 July 2023
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	==Best Practices Resources==		==Best Practices Resources==
	{{Document Icon}} [[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR~~, 2022~~]]		{{Document Icon}} [[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR]]

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Rmanwaring at 00:11, 14 December 2022

2022-12-14T00:11:14Z

← Older revision		Revision as of 00:11, 14 December 2022
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	<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed -->		<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed -->
	“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or [[Outlet Works\|outlet works]] during very large, remote floods (such as the PMF), or other emergency conditions. As with [[Auxiliary Spillways\|auxiliary spillways]], some degree of [[structural]] damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, ~~2014~~]]</ref>		“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or [[Outlet Works\|outlet works]] during very large, remote floods (such as the PMF), or other emergency conditions. As with [[Auxiliary Spillways \| auxiliary spillways]], some degree of [[structural]] damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2022]]</ref>

	In the past, auxiliary [[spillways]] were commonly referred to as emergency spillways. This practice should be discontinued. Media references to flow through “emergency spillways” often leads to a misconception by the public that an emergency condition exists at a dam when the dam is safely functioning as designed. <ref name="FEMA94">[[Selecting and Accommodating Inflow Design Floods for Dams (FEMA P-94)\| Selecting and Accommodating Inflow Design Floods for Dams (FEMA P-94), FEMA, 2013]]</ref>		In the past, auxiliary [[spillways]] were commonly referred to as emergency spillways. This practice should be discontinued. Media references to flow through “emergency spillways” often leads to a misconception by the public that an emergency condition exists at a dam when the dam is safely functioning as designed. <ref name="FEMA94">[[Selecting and Accommodating Inflow Design Floods for Dams (FEMA P-94) \| Selecting and Accommodating Inflow Design Floods for Dams (FEMA P-94), FEMA, 2013]]</ref>

	==Best Practices Resources==		==Best Practices Resources==
	{{Document Icon}} [[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations)\|Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) ~~(Bureau of Reclamation)~~]]		{{Document Icon}} [[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2022]]

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Grichards at 23:26, 2 December 2022

2022-12-02T23:26:02Z

← Older revision		Revision as of 23:26, 2 December 2022
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	<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed -->		<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed -->
	“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or [[Outlet Works\|outlet works]] during very large, remote floods (such as the PMF), or other emergency conditions. As with [[Auxiliary Spillways\|auxiliary spillways]], some degree of [[structural]] damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2014]]</ref>		“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or [[Outlet Works\|outlet works]] during very large, remote floods (such as the PMF), or other emergency conditions. As with [[Auxiliary Spillways\|auxiliary spillways]], some degree of [[structural]] damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2014]]</ref>

			In the past, auxiliary [[spillways]] were commonly referred to as emergency spillways. This practice should be discontinued. Media references to flow through “emergency spillways” often leads to a misconception by the public that an emergency condition exists at a dam when the dam is safely functioning as designed. <ref name="FEMA94">[[Selecting and Accommodating Inflow Design Floods for Dams (FEMA P-94)\| Selecting and Accommodating Inflow Design Floods for Dams (FEMA P-94), FEMA, 2013]]</ref>

	==Best Practices Resources==		==Best Practices Resources==

Grichards at 23:22, 2 December 2022

2022-12-02T23:22:27Z

← Older revision		Revision as of 23:22, 2 December 2022
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	<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed -->		<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed -->
	“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or [[Outlet Works\|outlet works]] during very large, remote floods (such as the PMF), or other emergency conditions. As with [[auxiliary spillways]], some degree of [[structural]] damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2014]]</ref>		“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or [[Outlet Works\|outlet works]] during very large, remote floods (such as the PMF), or other emergency conditions. As with [[Auxiliary Spillways\|auxiliary spillways]], some degree of [[structural]] damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2014]]</ref>

	==Best Practices Resources==		==Best Practices Resources==

Grichards at 23:21, 2 December 2022

2022-12-02T23:21:56Z

← Older revision		Revision as of 23:21, 2 December 2022
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	<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed -->		<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed -->
	“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or outlet works during very large, remote floods (such as the PMF), or other emergency conditions. As with ~~auxiliary~~ [[spillways]], some degree of [[structural]] damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2014]]</ref>		“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or [[Outlet Works\|outlet works]] during very large, remote floods (such as the PMF), or other emergency conditions. As with [[auxiliary spillways]], some degree of [[structural]] damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2014]]</ref>

	==Best Practices Resources==		==Best Practices Resources==

Grichards at 06:12, 18 November 2022

2022-11-18T06:12:45Z

← Older revision		Revision as of 06:12, 18 November 2022
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	__NOTOC__		__NOTOC__
			[[Category:Spillways]]
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	<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed -->		<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed -->
	“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or outlet works during very large, remote floods (such as the PMF), or other emergency conditions. As with auxiliary spillways, some degree of structural damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2014]]</ref>		“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or outlet works during very large, remote floods (such as the PMF), or other emergency conditions. As with auxiliary [[spillways]], some degree of [[structural]] damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2014]]</ref>

	==Best Practices Resources==		==Best Practices Resources==

Grichards at 05:13, 16 September 2022

2022-09-16T05:13:43Z

← Older revision		Revision as of 05:13, 16 September 2022
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	“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or outlet works during very large, remote floods (such as the PMF), or other emergency conditions. As with auxiliary spillways, some degree of structural damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2014]]</ref>		“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or outlet works during very large, remote floods (such as the PMF), or other emergency conditions. As with auxiliary spillways, some degree of structural damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2014]]</ref>

	~~==Examples==~~
	~~{{Website Icon}}~~
	==Best Practices Resources==		==Best Practices Resources==
	{{Document Icon}} [[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations)\|Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) (Bureau of Reclamation)]]		{{Document Icon}} [[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations)\|Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) (Bureau of Reclamation)]]
	~~==Trainings==~~
	~~{{Video Icon}}~~

	<!-- 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-->

Grichards at 05:13, 16 September 2022

2022-09-16T05:13:31Z

← Older revision		Revision as of 05:13, 16 September 2022
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	----		----
	<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed -->		<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed -->
	“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or outlet works during very large, remote floods (such as the PMF), or other emergency conditions. As with auxiliary spillways, some degree of structural damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design ~~Standard~~ No. 14: Appurtenant Structures for Dams (~~Spillways and Outlet Works~~) \| Design ~~Standard~~ No. 14: Appurtenant Structures for Dams (~~Spillways and Outlet Works~~), USBR, 2014]]</ref>		“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or outlet works during very large, remote floods (such as the PMF), or other emergency conditions. As with auxiliary spillways, some degree of structural damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) \| Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations), USBR, 2014]]</ref>

	==Examples==		==Examples==
	{{Website Icon}}		{{Website Icon}}
	==Best Practices Resources==		==Best Practices Resources==
	{{Document Icon}} [[Design ~~Standard~~ No. 14: Appurtenant Structures for Dams (~~Spillways and Outlet Works~~)]]		{{Document Icon}} [[Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations)\|Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Considerations) (Bureau of Reclamation)]]
	==Trainings==		==Trainings==
	{{Video Icon}}		{{Video Icon}}

Rmanwaring: Created page with "NOTOC ---- “An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or outlet works during very large, remote floods (such as the PMF), or other emergency conditions. As with auxiliary spillways, s..."

2022-09-07T23:07:21Z

Created page with "__NOTOC__ ----  “An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or outlet works during very large, remote floods (such as the PMF), or other emergency conditions. As with auxiliary spillways, s..."

New page

__NOTOC__
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“An emergency spillway is designed to provide additional protection against overtopping of a dam and/or dike and is intended for use under unusual or extreme conditions such as misoperation or malfunction of the service spillway or outlet works during very large, remote floods (such as the PMF), or other emergency conditions. As with auxiliary spillways, some degree of structural damage and/or erosion may be expected due to releases up to and including the maximum design discharge”.<ref name="DS14">[[Design Standard No. 14: Appurtenant Structures for Dams (Spillways and Outlet Works) | Design Standard No. 14: Appurtenant Structures for Dams (Spillways and Outlet Works), USBR, 2014]]</ref>

==Examples==
{{Website Icon}}
==Best Practices Resources==
{{Document Icon}} [[Design Standard No. 14: Appurtenant Structures for Dams (Spillways and Outlet Works)]]
==Trainings==
{{Video Icon}}


{{Citations}}


{{revhistinf}}