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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As such BS This is a full revision of the standard and introduces the following principal changes: 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 fail safe position to protect escape routes and prevent the spread of smoke in the event of a fire.

Customers who bought this product also bought BS However, it should be remembered that this type of system might be inappropriate in certain environments such as banks, hospitals and prisons, due to security issues, where doors could be held open to allow access to people who should have restricted movement.

As one door opens Accept and continue Learn more about the cookies we use and how to change your settings. Body Although it was first introduced inthe revision of BS has brought the subject of release mechanisms for fire doors into sharp focus.

Find Similar Items This product falls into the following categories. WHEN a fire breaks out in a building, every second counts when it comes to people getting out safely. Fire doors are typically designed to be kept closed at all times so that fire and heat are contained and their spread minimized.

Overview Product Details What is this standard about? Click to learn more. However if fire doors are left open or exits remain locked this could lead to potentially disastrous consequences.

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You may find similar items within these categories by selecting from the choices below:. Similarly, restricting the spread of fire and heat in such a situation relies upon the use of well-engineered fire doors that can be reliably closed in the event of a fire.

Only a very few of the more intelligent systems can identify whether for instance a fault on a single detector will impact the operation of the door release system.

Revised standard: BS | Means of Escape – Fire Safety Magazine

The prompt evacuation of a burning building requires as few obstacles and obstructions as possible and, similarly, restricting the spread of fire and heat in such a situation relies upon the use of well-engineered fire doors that can be reliably closed in the event of a fire.

Notifier’s new BS CPD has been written by experts 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. The recommendations also cover how the mechanisms to unlock, release or open doors interface with the fire detection and fire alarm systems. Search form B Means of Escape. This is achieved through use of b fire doors. Actuation of release mechanisms for doors Status: Simon Foulkes, Product Owner at Gent by Honeywell, examines this revised code of practice and explains why more attention should be given to this important subject.

Although 7237-4 was first introduced inthe revision of BS has brought the subject of release mechanisms for fire doors into sharp focus. 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.

FIA Publish New technical documents on BS 7273-4:2015

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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 when there are faults or disconnections that prevent the operation of the mechanism in a fire.

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Text has been shortened and 7273–4 to make the standard more straightforward to use. We use cookies to make our website easier to use and to better understand your needs. Please download Chrome or Firefox or view our browser tips. Standard Number BS 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.

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It is vital that there is a common approach to fire alarm design with regard to these interfaces. Although it was first introduced inthe revision of BS has brought the subject of release mechanisms for fire doors into sharp focus.

However, this is not always the case and a truly fail safe mode is not achieved. Some 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. This question is for testing whether you are a human visitor and to prevent automated spam submissions.

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 ba and alarm systems, as well as equipment not covered in any other standards.

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. You are here Home.