Automatic release mechanism - Revision history

Designing Buildings at 07:42, 24 January 2025

2025-01-24T07:42:10Z

← Older revision		Revision as of 07:42, 24 January 2025
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−	= Related articles on Designing Buildings ~~Wiki~~ =	+	= Related articles on Designing Buildings =

	* Approved documents.		* Approved documents.
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	* Visual alarm devices - their effectiveness in warning of fire.		* Visual alarm devices - their effectiveness in warning of fire.

−	~~[[Category:Articles_needing_more_work]]~~ [[Category:DCN_Definition]] [[Category:DCN_Product_Knowledge]] [[Category:DCN_Regulation]] [[Category:Products_/_components]]	+	[[Category:DCN_Definition]] [[Category:DCN_Product_Knowledge]] [[Category:DCN_Regulation]] [[Category:Products_/_components]] [[Category:Building_safety]]

Designing Buildings at 08:04, 16 November 2020

2020-11-16T08:04:43Z

← Older revision		Revision as of 08:04, 16 November 2020
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	* operation of the fire alarm system if any.		* operation of the fire alarm system if any.
	\|}		\|}
−
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	= Related articles on Designing Buildings Wiki =		= Related articles on Designing Buildings Wiki =
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	* Visual alarm devices - their effectiveness in warning of fire.		* Visual alarm devices - their effectiveness in warning of fire.

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

Designing Buildings at 15:59, 28 October 2019

2019-10-28T15:59:23Z

← Older revision		Revision as of 15:59, 28 October 2019
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−	~~To help develop this article~~, ~~click ‘Edit this article’ above.~~	+	Approved document B, Fire Safety, Volume 2, Buildings other than dwellinghouses (2019 edition), defines an automatic release mechanism as:

−	~~-----~~	+	{\|
−	~~Approved document B, Fire Safety, Volume 1 Dwelling houses~~, ~~defines an automatic release mechanism as:~~	+	\|width="100%"\|
		+	A device that normally holds a door open, but closes it automatically if any one of the following occurs.

		+	* Smoke is detected by an automatic device of a suitable nature and quality in a suitable location.
		+	* A hand-operated switch, fitted in a suitable position, is operated.
		+	* The electricity supply to the device, apparatus or switch fails.
		+	* The fire alarm system, if any, is operated.
		+	\|}
		+
		+	NB Approved document B previously defined an automatic release mechanism as:
		+
		+	{\|
		+	\|width="100%"\|
	A device which will allow a door held open by it to close automatically in the event of each or any one of the following:		A device which will allow a door held open by it to close automatically in the event of each or any one of the following:

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	* failure of electricity supply to the device, apparatus or switch;		* failure of electricity supply to the device, apparatus or switch;
	* operation of the fire alarm system if any.		* operation of the fire alarm system if any.
		+	\|}
		+

−	~~= Find out more =~~

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

	* Approved documents.		* Approved documents.
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	* Visual alarm devices - their effectiveness in warning of fire.		* Visual alarm devices - their effectiveness in warning of fire.

−	[[Category:Articles_needing_more_work]] [[Category:Products_/_components]]	+	[[Category:Articles_needing_more_work]] [[Category:Products_/_components]] [[Category:DCN_Product_Knowledge]]

Editor at 12:32, 5 September 2017

2017-09-05T12:32:23Z

← Older revision		Revision as of 12:32, 5 September 2017
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	* Fire Prevention on Construction Sites.		* Fire Prevention on Construction Sites.
	* Fire protection engineering.		* Fire protection engineering.
		+	* Hold-open device.
	* Inner room.		* Inner room.
	* Joint fire code.		* Joint fire code.

Editor at 18:17, 4 September 2017

2017-09-04T18:17:32Z

← Older revision		Revision as of 18:17, 4 September 2017
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		+	To help develop this article, click ‘Edit this article’ above.

−	~~To help develop this article~~, ~~click ‘Edit this article’ above.~~	+	-----
		+	Approved document B, Fire Safety, Volume 1 Dwelling houses, defines an automatic release mechanism as:

−	~~----~~	+	A device which will allow a door held open by it to close automatically in the event of each or any one of the following:

−	~~Approved document B, Fire Safety, Volume 1 Dwelling houses, defines an automatic release mechanism as:<br/>~~	+	* detection of smoke by automatic apparatus suitable in nature, quality and location;
−		+	* operation of a hand-operated switch fitted in a suitable position;
−	~~A device which will allow a door held open by it to close automatically in the event of each or any one of the following:<br/>~~	+	* failure of electricity supply to the device, apparatus or switch;
−	*detection of smoke by automatic apparatus suitable in nature, quality and location;	+	* operation of the fire alarm system if any.
−	*operation of a hand-operated switch fitted in a suitable position;	+
−	*failure of electricity supply to the device, apparatus or switch;	+
−	*operation of the fire alarm system if any.	+

	= Find out more =		= Find out more =

	=== Related articles on Designing Buildings Wiki ===		=== Related articles on Designing Buildings Wiki ===
−	*Approved documents.
−	*Door energy rating.
−	*Doors.
−	*Fire detection and alarm systems.
−	*Fire door.
−	*Fire Door Inspection Scheme.
−	*Fire Prevention on Construction Sites.
−	*Fire protection engineering.
−	*Inner room.
−	*Joint fire code.
−	*Separating floor.
−	*The Regulatory Reform (Fire Safety) Order 2005.
−	*Visual alarm devices - their effectiveness in warning of fire.

−	[[Category:Articles_needing_more_work]]	+	* Approved documents.
−	[[Category:Products_/_components]]	+	* Door closer.
		+	* Door energy rating.
		+	* Doors.
		+	* Fire detection and alarm systems.
		+	* Fire door.
		+	* Fire Door Inspection Scheme.
		+	* Fire Prevention on Construction Sites.
		+	* Fire protection engineering.
		+	* Inner room.
		+	* Joint fire code.
		+	* Separating floor.
		+	* The Regulatory Reform (Fire Safety) Order 2005.
		+	* Visual alarm devices - their effectiveness in warning of fire.
		+
		+	[[Category:Articles_needing_more_work]] [[Category:Products_/_components]]

Designing Buildings at 12:33, 23 November 2015

2015-11-23T12:33:39Z

← Older revision		Revision as of 12:33, 23 November 2015
Line 17:		Line 17:
	*Approved documents.		*Approved documents.
	*Door energy rating.		*Door energy rating.
		+	*Doors.
	*Fire detection and alarm systems.		*Fire detection and alarm systems.
	*Fire door.		*Fire door.

Designing Buildings at 07:13, 8 August 2015

2015-08-08T07:13:11Z

← Older revision		Revision as of 07:13, 8 August 2015
Line 1:		Line 1:

−	To help develop this article, click ‘Edit this article’ above.~~<br/>~~	+	To help develop this article, click ‘Edit this article’ above.

	----		----
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	=== Related articles on Designing Buildings Wiki ===		=== Related articles on Designing Buildings Wiki ===
	*Approved documents.		*Approved documents.
−	*Automatic release mechanism.
	*Door energy rating.		*Door energy rating.
	*Fire detection and alarm systems.		*Fire detection and alarm systems.

Designing Buildings at 07:12, 8 August 2015

2015-08-08T07:12:56Z

← Older revision		Revision as of 07:12, 8 August 2015
Line 1:		Line 1:

−	~~Approved document B~~, ~~Fire Safety, Volume 1 Dwelling houses, defines an automatic release mechanism as:~~	+	To help develop this article, click ‘Edit this article’ above.<br/>

−	A device which will allow a door held open by it to close automatically in the event of each or any one of the following:	+	----
		+
		+	Approved document B, Fire Safety, Volume 1 Dwelling houses, defines an automatic release mechanism as:<br/>
		+
		+	A device which will allow a door held open by it to close automatically in the event of each or any one of the following:<br/>
	*detection of smoke by automatic apparatus suitable in nature, quality and location;		*detection of smoke by automatic apparatus suitable in nature, quality and location;
	*operation of a hand-operated switch fitted in a suitable position;		*operation of a hand-operated switch fitted in a suitable position;
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	*operation of the fire alarm system if any.		*operation of the fire alarm system if any.

		+	= Find out more =
		+
		+	=== Related articles on Designing Buildings Wiki ===
		+	*Approved documents.
		+	*Automatic release mechanism.
		+	*Door energy rating.
		+	*Fire detection and alarm systems.
		+	*Fire door.
		+	*Fire Door Inspection Scheme.
		+	*Fire Prevention on Construction Sites.
		+	*Fire protection engineering.
		+	*Inner room.
		+	*Joint fire code.
		+	*Separating floor.
		+	*The Regulatory Reform (Fire Safety) Order 2005.
		+	*Visual alarm devices - their effectiveness in warning of fire.
		+
		+	[[Category:Articles_needing_more_work]]
	[[Category:Products_/_components]]		[[Category:Products_/_components]]

Designing Buildings: Created page with " Approved document B, Fire Safety, Volume 1 Dwelling houses, defines an automatic release mechanism as: A device which will allow a door held open by it to close automatically i..."

2015-07-31T08:10:02Z

Created page with " Approved document B, Fire Safety, Volume 1 Dwelling houses, defines an automatic release mechanism as: A device which will allow a door held open by it to close automatically i..."

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Approved document B, Fire Safety, Volume 1 Dwelling houses, defines an automatic release mechanism as:

A device which will allow a door held open by it to close automatically in the event of each or any one of the following:
*detection of smoke by automatic apparatus suitable in nature, quality and location;
*operation of a hand-operated switch fitted in a suitable position;
*failure of electricity supply to the device, apparatus or switch;
*operation of the fire alarm system if any.

[[Category:Products_/_components]]