Wet riser - Revision history

Designing Buildings at 08:29, 18 November 2024

2024-11-18T08:29:47Z

← Older revision		Revision as of 08:29, 18 November 2024
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	Wet risers should be inspected and tested regularly to ensure equipment is functioning correctly and ready for use. Problems can be very serious in the event of a fire, and are typically caused by vandalism or theft, blockages or pipework failure or by connection failure or outlets being open.		Wet risers should be inspected and tested regularly to ensure equipment is functioning correctly and ready for use. Problems can be very serious in the event of a fire, and are typically caused by vandalism or theft, blockages or pipework failure or by connection failure or outlets being open.

−	= Related articles on Designing Buildings ~~Wiki~~ =	+	NB [https://www.planningportal.co.uk/planning/planning-and-fire-safety/planning-gateway-one-glossary/planning-gateway-one-glossary Planning Gateway One - Glossary], published on the Planning Portal, defines a wet riser as: ‘A water supply pipe installed in a building for fire-fighting purposes and permanently charged with water from a pressurised supply, and fitted with landing valves at specified points.’
		+
		+	= Related articles on Designing Buildings =

	* Approved documents.		* Approved documents.
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	* High-rise fire fighting. [http://www.highrisefirefighting.co.uk/wr.html Wet risers].		* High-rise fire fighting. [http://www.highrisefirefighting.co.uk/wr.html Wet risers].

−	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Regulations]] [[Category:Products_/_components]]	+	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Regulations]] [[Category:Products_/_components]] [[Category:Building_safety]]

Designing Buildings: Reverted edits by 102.23.98.14 (talk) to last revision by Designing Buildings

2021-10-03T05:59:43Z

Reverted edits by 102.23.98.14 (talk) to last revision by Designing Buildings

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at 20:55, 2 October 2021

2021-10-02T20:55:04Z

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Designing Buildings at 07:52, 4 September 2020

2020-09-04T07:52:10Z

← Older revision		Revision as of 07:52, 4 September 2020
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	* High-rise fire fighting. [http://www.highrisefirefighting.co.uk/wr.html Wet risers].		* High-rise fire fighting. [http://www.highrisefirefighting.co.uk/wr.html Wet risers].

−	[[Category:~~Regulations~~]] [[Category:~~DCN_Regulation~~]] [[Category:~~Products_/_components~~]] [[Category:~~DCN_Product_Knowledge~~]]	+	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Regulations]] [[Category:Products_/_components]]

Designing Buildings at 09:07, 1 November 2019

2019-11-01T09:07:22Z

← Older revision		Revision as of 09:07, 1 November 2019
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	Wet risers should be inspected and tested regularly to ensure equipment is functioning correctly and ready for use. Problems can be very serious in the event of a fire, and are typically caused by vandalism or theft, blockages or pipework failure or by connection failure or outlets being open.		Wet risers should be inspected and tested regularly to ensure equipment is functioning correctly and ready for use. Problems can be very serious in the event of a fire, and are typically caused by vandalism or theft, blockages or pipework failure or by connection failure or outlets being open.
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−	~~[[File:BS17748-BSA-CPD-BUTTON-290x100.gif]]~~

	= Related articles on Designing Buildings Wiki =		= Related articles on Designing Buildings Wiki =
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	* High-rise fire fighting. [http://www.highrisefirefighting.co.uk/wr.html Wet risers].		* High-rise fire fighting. [http://www.highrisefirefighting.co.uk/wr.html Wet risers].

−	[[Category:Regulations]] [[Category:Products_/_components]]	+	[[Category:Regulations]] [[Category:DCN_Regulation]] [[Category:Products_/_components]] [[Category:DCN_Product_Knowledge]]

Designing Buildings at 09:04, 1 November 2019

2019-11-01T09:04:53Z

← Older revision		Revision as of 09:04, 1 November 2019
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	Wet risers should be inspected and tested regularly to ensure equipment is functioning correctly and ready for use. Problems can be very serious in the event of a fire, and are typically caused by vandalism or theft, blockages or pipework failure or by connection failure or outlets being open.		Wet risers should be inspected and tested regularly to ensure equipment is functioning correctly and ready for use. Problems can be very serious in the event of a fire, and are typically caused by vandalism or theft, blockages or pipework failure or by connection failure or outlets being open.

−	[[File:BS17748-BSA-CPD-BUTTON-290x100.gif\|link=https://www.business-sprinkler-alliance.org/about-sprinklers/property-protection-and-business-resilience-automatic-sprinklers-background-and-benefits/?utm_source=banner&utm_medium=display&utm_campaign=40156_designingbuildingsbsabanner&utm_content=free]]	+	[[File:BS17748-BSA-CPD-BUTTON-290x100.gif]]

	= Related articles on Designing Buildings Wiki =		= Related articles on Designing Buildings Wiki =

Designing Buildings at 06:26, 30 September 2019

2019-09-30T06:26:05Z

← Older revision		Revision as of 06:26, 30 September 2019
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	Wet risers should be inspected and tested regularly to ensure equipment is functioning correctly and ready for use. Problems can be very serious in the event of a fire, and are typically caused by vandalism or theft, blockages or pipework failure or by connection failure or outlets being open.		Wet risers should be inspected and tested regularly to ensure equipment is functioning correctly and ready for use. Problems can be very serious in the event of a fire, and are typically caused by vandalism or theft, blockages or pipework failure or by connection failure or outlets being open.

−	= ~~Find out more~~ =	+	[[File:BS17748-BSA-CPD-BUTTON-290x100.gif\|link=https://www.business-sprinkler-alliance.org/about-sprinklers/property-protection-and-business-resilience-automatic-sprinklers-background-and-benefits/?utm_source=banner&utm_medium=display&utm_campaign=40156_designingbuildingsbsabanner&utm_content=free]]

−	=== Related articles on Designing Buildings Wiki ===	+	= Related articles on Designing Buildings Wiki =

	* Approved documents.		* Approved documents.
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	* Vertical riser.		* Vertical riser.

−	=== External references. ===	+	= External references. =

	* [http://www.planningportal.gov.uk/buildingregulations/approveddocuments/partb/bcapproveddocumentsb/bcapproveddocbvol2/ Approved document B2].		* [http://www.planningportal.gov.uk/buildingregulations/approveddocuments/partb/bcapproveddocumentsb/bcapproveddocbvol2/ Approved document B2].

Editor at 11:22, 17 July 2018

2018-07-17T11:22:51Z

← Older revision		Revision as of 11:22, 17 July 2018
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−	[[File:Wet-riser.png]]	+	[[File:Wet-riser.png\|link=File:Wet-riser.png]]

	Wet risers are used to supply water within buildings for firefighting purposes. The provision of a built-in water distribution system means that firefighters do not need to create their own distribution system in order to fight a fire and avoids the breaching of fire compartments by running hose lines between them.		Wet risers are used to supply water within buildings for firefighting purposes. The provision of a built-in water distribution system means that firefighters do not need to create their own distribution system in order to fight a fire and avoids the breaching of fire compartments by running hose lines between them.
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	* The Regulatory Reform (Fire Safety) Order 2005.		* The Regulatory Reform (Fire Safety) Order 2005.
	* Unprotected escape route.		* Unprotected escape route.
		+	* Vertical riser.

	=== External references. ===		=== External references. ===

Editor at 14:22, 27 April 2018

2018-04-27T14:22:51Z

← Older revision		Revision as of 14:22, 27 April 2018
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−	Wet risers are used to supply water within buildings for ~~fire-fighting~~ purposes. The provision of a built-in water distribution system means that ~~fire fighters~~ do not need to create their own distribution system in order to fight a fire and avoids the breaching of fire compartments by running hose lines between them.	+	[[File:Wet-riser.png]]
		+
		+	Wet risers are used to supply water within buildings for firefighting purposes. The provision of a built-in water distribution system means that firefighters do not need to create their own distribution system in order to fight a fire and avoids the breaching of fire compartments by running hose lines between them.

	Wet risers are permanently charged with water. This is as opposed to dry risers which do not contain water when they are not being used, but are charged with water by fire service pumping appliances when necessary.		Wet risers are permanently charged with water. This is as opposed to dry risers which do not contain water when they are not being used, but are charged with water by fire service pumping appliances when necessary.

−	Part B of the building regulations (Fire Safety) requires that fire mains are provided in all buildings that are more than ~~18m~~ tall. In buildings less than ~~50m~~ tall, either a wet riser or dry riser fire main can be provided. However, where a building extends to more than ~~50m~~ above the rescue service vehicle access level, wet risers are necessary as the pumping pressure required to charge the riser is higher than can be provided by a fire service appliance, and to ensure an immediate supply of water is available at high level.	+	Part B of the building regulations (Fire Safety) requires that fire mains are provided in all buildings that are more than 18 m tall. In buildings less than 50 m tall, either a wet riser or dry riser fire main can be provided. However, where a building extends to more than 50 m above the rescue service vehicle access level, wet risers are necessary as the pumping pressure required to charge the riser is higher than can be provided by a fire service appliance, and to ensure an immediate supply of water is available at high level.

	Wet risers are charged with water from a pressurised supply, often pumped from a storage tank, with landing valves at specified locations on each floor.		Wet risers are charged with water from a pressurised supply, often pumped from a storage tank, with landing valves at specified locations on each floor.

−	It should be possible for fire service pumping appliances to supplement the supply to wet risers in the event of an emergency, such as storage tanks running low during long events. Pumping appliances should be able to access ‘…within ~~18m~~ and within sight of, a suitable entrance giving access to the main and in sight of the inlet.’	+	It should be possible for fire service pumping appliances to supplement the supply to wet risers in the event of an emergency, such as storage tanks running low during long events. Pumping appliances should be able to access ‘…within 18 m and within sight of, a suitable entrance giving access to the main and in sight of the inlet.’

−	Generally, a wet riser supply system should be capable of maintaining a minimum running pressure at top outlet at roof level of 4 bar at a flow rate of 22.7l/s. the maximum running pressure permitted with only one outlet in operation is ~~5bar~~.	+	Generally, a wet riser supply system should be capable of maintaining a minimum running pressure at top outlet at roof level of 4 bar at a flow rate of 22.7l/s. the maximum running pressure permitted with only one outlet in operation is 5 bar.

−	Wet risers should be within fire-fighting shafts, and where necessary in protected escape stairs. Wet-riser outlets, or 'landing valves' may be within in protected lobbies, stairs or enclosures where these are available.	+	Wet risers should be within fire-fighting shafts, and where necessary in protected escape stairs. Wet riser outlets, or 'landing valves' may be within in protected lobbies, stairs or enclosures where these are available.

	Wet risers should be inspected and tested regularly to ensure equipment is functioning correctly and ready for use. Problems can be very serious in the event of a fire, and are typically caused by vandalism or theft, blockages or pipework failure or by connection failure or outlets being open.		Wet risers should be inspected and tested regularly to ensure equipment is functioning correctly and ready for use. Problems can be very serious in the event of a fire, and are typically caused by vandalism or theft, blockages or pipework failure or by connection failure or outlets being open.

196.207.160.195 at 12:41, 13 August 2016

2016-08-13T12:41:15Z

← Older revision		Revision as of 12:41, 13 August 2016
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−
	Wet risers are used to supply water within buildings for fire-fighting purposes. The provision of a built-in water distribution system means that fire fighters do not need to create their own distribution system in order to fight a fire and avoids the breaching of fire compartments by running hose lines between them.		Wet risers are used to supply water within buildings for fire-fighting purposes. The provision of a built-in water distribution system means that fire fighters do not need to create their own distribution system in order to fight a fire and avoids the breaching of fire compartments by running hose lines between them.

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	It should be possible for fire service pumping appliances to supplement the supply to wet risers in the event of an emergency, such as storage tanks running low during long events. Pumping appliances should be able to access ‘…within 18m and within sight of, a suitable entrance giving access to the main and in sight of the inlet.’		It should be possible for fire service pumping appliances to supplement the supply to wet risers in the event of an emergency, such as storage tanks running low during long events. Pumping appliances should be able to access ‘…within 18m and within sight of, a suitable entrance giving access to the main and in sight of the inlet.’
		+
		+	Generally, a wet riser supply system should be capable of maintaining a minimum running pressure at top outlet at roof level of 4 bar at a flow rate of 22.7l/s. the maximum running pressure permitted with only one outlet in operation is 5bar.

	Wet risers should be within fire-fighting shafts, and where necessary in protected escape stairs. Wet-riser outlets, or 'landing valves' may be within in protected lobbies, stairs or enclosures where these are available.		Wet risers should be within fire-fighting shafts, and where necessary in protected escape stairs. Wet-riser outlets, or 'landing valves' may be within in protected lobbies, stairs or enclosures where these are available.
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	=== Related articles on Designing Buildings Wiki ===		=== Related articles on Designing Buildings Wiki ===
−	*Approved documents.	+
−	*Building regulations.	+	* Approved documents.
−	*Dry riser.	+	* Building regulations.
−	*Fire and rescue service.	+	* Dry riser.
−	*Fire detection and alarm systems.	+	* Fire and rescue service.
−	*Firefighting route.	+	* Fire detection and alarm systems.
−	*Joint fire code.	+	* Firefighting route.
−	*Protected escape route.	+	* Joint fire code.
−	*The Regulatory Reform (Fire Safety) Order 2005.	+	* Protected escape route.
−	*Unprotected escape route.	+	* The Regulatory Reform (Fire Safety) Order 2005.
		+	* Unprotected escape route.

	=== External references. ===		=== External references. ===
−	*[http://www.planningportal.gov.uk/buildingregulations/approveddocuments/partb/bcapproveddocumentsb/bcapproveddocbvol2/ Approved document B2].
−	*High-rise fire fighting. [http://www.highrisefirefighting.co.uk/wr.html Wet risers].

−	[[Category:Regulations]]	+	* [http://www.planningportal.gov.uk/buildingregulations/approveddocuments/partb/bcapproveddocumentsb/bcapproveddocbvol2/ Approved document B2].
−	[[Category:Products_/_components]]	+	* High-rise fire fighting. [http://www.highrisefirefighting.co.uk/wr.html Wet risers].
		+
		+	[[Category:Regulations]] [[Category:Products_/_components]]