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  • BSI
    PD 7974-4:2003 Application of fire safety engineering principles to the design of buildings - Detection of fire and activation of fire protection systems. (Sub-system 4)
    Edition: 2003
    $442.60
    / user per year

Description of PD 7974-4:2003 2003

This Published Document provides guidance on the development, design and application of fire detection systems, and the activation of fire alarm and fire control systems to fulfil a role in the fire safety engineered design for a building. Scientific and engineering principles are used as part of a structured approach. The key elements covered are:

  • detection: information is provided on the various types of fire detection system and their application for a given set of circumstances, as derived from a qualitative design review, risk assessment and the results of formulae provided by other Sub-systems;

  • activation and control: once the fire detection system has detected a fire, it activates a series of measures designed to fulfil the requirements of the fire safety engineered design. These measures may include operation of fire warning systems, the remote signalling to emergency services, and the operation of fire alarm, fire suppression and fire control systems. Guidance is given on the methodology and formulae required in ensuring that the appropriate systems are activated in an appropriate manner and within given criteria.

In the context of this document, fire control includes:

  • fire suppression systems: active systems designed to suppress a fire, temporarily (i.e. control) or permanently (i.e. extinguish). Examples include automatic water sprinkler systems;

  • fire barrier systems: active systems designed to contain a fire within a given area or separate a fire from another area. Such systems may be regarded as offering similar benefits to passive fire compartments or separations for the duration of their operation. Examples include fire damper systems and door release mechanisms;

  • smoke/heat control systems: active systems designed to positively control the movement and build up of fire effluents such as smoke, heat and toxic gases. Examples include smoke venting systems and air pressurization systems.

NOTE This document does not contain detailed design and installation instructions for the systems covered. This information may be obtained from other relevant British Standard codes of practice and specifications.



Standard NumberPD 7974-4:2003
TitleApplication of fire safety engineering principles to the design of buildings - Detection of fire and activation of fire protection systems. (Sub-system 4)
StatusConfirmed
Publication Date2003-03-14
DescriptorsFire detectors, Safety engineering, Design, Alarm systems, Smoke detectors, Fire safety, Buildings, Fire alarms, Fire spread prevention, Fire safety in buildings, Hazard prevention in buildings, Means of escape from fire in buildings, Structural fire protection, Automatic control systems
ICS13.220.20 Fire protection, 91.120.99 Other standards related to protection of and in buildings
CommitteeFSH/24
ISBN0 580 41249 0
PublisherBSI
Pages44

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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