BS 7273-4 PDF

BSI, the business standards company has revised BS Code of Practice for the operation of fire protection measures – Part 4: Actuation of release . BS Code of practice for the operation of fire protection measures – part 4: Actuation of release mechanisms for doors was published on. The British Standard BS is a ‘Code of practice for the operation of fire protection measures’ specifically for the ‘Actuation of release mechanisms for .

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New BS 7273-4 CPD course on release mechanisms for fire doors

You may find similar items within these categories by selecting from the choices below:. Therefore in some circumstances fire doors fail to satisfy enforcers that recommendations of BS are being met.

You are here Home. Balance this with the need to conveniently use the building in normal operation and you can potentially have conflicting priorities.

As one door opens Fire doors are typically designed to be kept closed at all times so that fire and heat are contained and their spread minimized. Previously, a device local to the doors effectively switched the doors to fail safe mode and released electrically secured fire exits and closed fire doors held open on magnetic door retainers.

As such BS Search form Search Means of Escape. A system that cannot, must release all doors in a building for every single fault on the control panel. Notifier’s new BS CPD has been written by 7237-4 within the company, it enables delegates to gain a better understanding of how modern life safety technology can be used to increase a building’s safety by interfacing it with fire doors and secured fire exits.

Learn more about the cookies we use and how to change your settings. Search results Revised standard: Actuation of release mechanisms for doors.

As one door opens | Means of Escape – Fire Safety Magazine

It helps to ensure that a building can be safely evacuated where there are fire doors held open or exit doors that need to be released by the fire alarm system. If the listed faults occur in either the door 773-4 system, the fire detection system, or the interconnection between the two, the system should perform as it would in the event of a fire and release the doors. This question is for testing whether you are a human visitor and to prevent automated spam submissions.

Overview Product Details What is this standard about? However, it should be remembered that this type of system might be inappropriate in certain environments such as banks, hospitals and prisons, due bw security issues, where doors could be held open to allow access to people who should have restricted movement.


Category A – the most stringent – is to be applied for the highest risk situations, requiring fail safe operation when the cabling forming the communication path is broken, and 7273–4 there are faults or disconnections that prevent the operation of the mechanism in a fire. Accept and continue Learn more about the cookies we use and how to change bss settings.

Search results As one door opens Those attending will also gain an valuable understanding of the three categories of actuation – A criticalB standard and C indirect – and the circumstances under which the control mechanisms should revert to their 72733-4 safe position to protect escape routes and prevent the spread of smoke in the event of a fire. Skip to main content. Bd of the commentary has been moved to new informative annexes and some of the previous text has been tabulated The diagrams relating to the location of smoke detectors in relation to electrically held-open fire doors have been revised.

As one door opens…

However, this is not always the case and a truly fail safe mode is not achieved. It stands to reason that the prompt evacuation of a burning building requires as few obstacles and obstructions as possible. Adhering to BS is increasingly important, as the guidance in Annex A of the Code of Practice is now normative, which means that if control of doors is performed by ns fire detection system the requirements of the category must be met. This will encourage a uniform approach by enforcing authorities and others in specifying objectives 2773-4 ensure that people, property and assets are protected as well as they possibly can be in the event of a fire.

FIA Publish New technical documents on BS – International Fire Protection

It is hs that there is a common approach to fire alarm 727-4 with regard to these interfaces. There can be no one size fits all approach to configuring a BS compliant system and fire doors and exits should be considered individually so that people, property and assets are protected as well as they possibly can be in the event of a fire.

It addresses safety critical arrangements that enforcing authorities rely on 727-34 ensure a building can be evacuated safely – where fire doors are held open or exits secured which need to be released by the fire alarm system.

Who is this standard for? 723-4 use cookies to make our website easier to use and to better understand your needs. This leads to a better understanding of safety measures and complies with the latest fire safety legislation. 72733-4 of release mechanisms for doors.


You are here Home. For example, selecting a Category A solution must be considered for premises used by the public such as shops, theatres and public transport, as well as schools, hotels and care homes. This is intended to make the recommendations clearer and to remove possible confusion where a single diagram has been used to convey several principles applying to detector siting and spacing There have been changes in terminology to assist users of the standard.

If you are the person responsible for a building, you need to be sure that your safety systems work properly — 727-34 if Relevant 727-4 Please tick if you do not wish to be contacted regarding relevant opportunities. BSI, the business standards company has revised BS WHEN a fire breaks out in a building, every second counts when it comes to people getting out safely. Title As one door opens By providing an overview of the various scenarios when doors should be released, it looks at control arrangements for actuation of mechanisms that unlock, release or open doors in the event of fire, before covering recommendations for the interface between fire detection and alarm systems, as well as equipment not covered in any other standards.

Similarly, restricting the sb of fire and 7723-4 in such a situation relies upon the use of well-engineered fire doors that can be reliably closed in the event of a fire. Worldwide Standards We can source any standard from anywhere in the world.

One of the key reasons behind the standard was to ensure that door management systems for doors critical to the safe management of 723-4 building in a fire situation must be fail safe such that the protection of the building is not impacted if for any reason the automatic control is compromised.

You may experience issues viewing this site in Internet Explorer 9, 10 or The guidance in Annex A of BS is now normative which means that if control of doors is performed by a fire detection system the requirements of the category must be met.

Category B and C applications should both fail safe when the Critical Signal Path is interrupted by a short or open circuit. Customers who bought this product also bought BS