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BS 7346-7:2013

Current
Current

The latest, up-to-date edition.

Components for smoke and heat control systems Code of practice on functional recommendations and calculation methods for smoke and heat control systems for covered car parks
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-08-2013

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Smoke and heat control system selection
5 Design fires
6 Vehicle exhaust pollution control
7 Natural dispersal smoke ventilation
8 Ducted mechanical extract for smoke clearance
9 Impulse ventilation to achieve smoke clearance
10 Impulse ventilation to assist fire-fighting access
11 Impulse ventilation to protect means of escape
12 Smoke and heat exhaust ventilation systems (SHEVS)
13 Smoke control duct sections and smoke control dampers
14 Controls and power supplies
15 Pre-installation verification
16 Interaction with other fire protection systems and other
   building systems
17 Commissioning
18 Documentation to be supplied with smoke and heat
   control system
19 Maintenance and safety
Annexes
Annex A (normative) - Smoke control duct sections and
        smoke control dampers
Annex B (normative) - Computer-based models
Annex C (informative) - Lighting, signage, public address
        and voice alarm systems
Bibliography

Provides guidance on functional recommendations and calculation methods for smoke and heat control systems for covered parking areas for cars and light commercial vehicles.

This part of BS7346 gives guidance on functional recommendations and calculation methods for smoke and heat control systems for covered parking areas for cars and light commercial vehicles.

NOTE1 It is assumed that cars powered by fuels other than petrol or diesel will have a fire performance similar to vehicles powered by petrol or diesel. This assumption might be revised in a future edition of this standard if further information suggests it is necessary.

It is intended for system designers, installers of systems, regulatory authorities, for example building control officers and fire safety officers, and those who manage the fire safety of car parks.

It gives recommendations for systems designed for open-sided car parks and for enclosed car parks. It covers:

  • systems intended to protect means of escape for occupants of the car park or the building housing the car park;

  • systems intended to assist active fire-fighting operations; and

  • systems intended to provide smoke clearance following suppression of a fire.

It includes recommendations for natural open-sided ventilation and for ducted mechanical ventilation. It includes guidance on performance-based smoke control using impulse ventilation systems and smoke and heat exhaust ventilation systems (SHEVS). Time-dependent and steady-state design methods are included as appropriate for each smoke control approach. Control of vehicle pollutant emissions is included where it influences the optimization of smoke control. Following the BRE fire tests on car stacker systems, it also includes recommendations for fire sizes and fire suppression in these types of installations.

Smoke and heat control systems for loading bays and coach parks are not covered by this standard.

NOTE2 Guidance on loading bays and coach parks can be found in the FETA publication, Design of smoke ventilation systems for loading bays and coach parks – a guide for system designers [5].

Committee
FSH/25
DevelopmentNote
Supersedes BS 7346-7(2006) & 13/30264663 DC. (08/2013)
DocumentType
Standard
Pages
48
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 9999:2017 Fire safety in the design, management and use of buildings. Code of practice
BS 7346-8:2013 Components for smoke control systems Code of practice for planning, design, installation, commissioning and maintenance
15/30301829 DC : 0 BS 9991 - FIRE SAFETY IN THE DESIGN, MANAGEMENT AND USE OF RESIDENTIAL BUILDINGS - CODE OF PRACTICE
16/30314117 DC : 0 BS 9999 - FIRE SAFETY IN THE DESIGN, MANAGEMENT AND USE OF BUILDINGS - CODE OF PRACTICE

PD 7974-2:2002 Application of fire safety engineering principles to the design of buildings Spread of smoke and toxic gases within and beyond the enclosure of origin (Sub-system 2)
BS 7346-4:2003 Components for smoke and heat control systems Functional recommendations and calculation methods for smoke and heat exhaust ventilation systems, employing steady-state design fires. Code of practice
BS EN 12101-2:2017 Smoke and heat control systems Natural smoke and heat exhaust ventilators
BS 5839-1:2013 Fire detection and fire alarm systems for buildings Code of practice for design, installation, commissioning and maintenance of systems in non-domestic premises
BS 8491:2008 Method for assessment of fire integrity of large diameter power cables for use as components for smoke and heat control systems and certain other active fire safety systems
BS 7671(2008) : 2008 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS
BS EN 12101-7:2011 Smoke and heat control systems Smoke duct sections
BS 7346-5:2005 Components for smoke and heat control systems Functional recommendations and calculation methods for smoke and heat exhaust ventilation systems, employing time-dependent design fires. Code of practice
BS EN 12101-8:2011 Smoke and heat control systems Smoke control dampers
BS 476-20:1987 Fire tests on building materials and structures Method for determination of the fire resistance of elements of construction (general principles)
BS EN 15650:2010 Ventilation for buildings. Fire dampers
BS EN 60947-6-1:2005 Low-voltage switchgear and controlgear Multiple function equipment. Transfer switching equipment
BS EN 60947-6-2:2003 Low-voltage switchgear and controlgear Multiple function equipment. Control and protective switching devices (or equipment) (CPS)
BS 8519:2010 Selection and installation of fire-resistant power and control cable systems for life safety and fire-fighting applications. Code of practice
BS EN 60529:1992+A2:2013 Degrees of protection provided by enclosures (IP code)
BS EN 12101-3:2015 Smoke and heat control systems Specification for powered smoke and heat control ventilators (Fans)
PD 7974-1:2003 Application of fire safety engineering principles to the design of buildings Initiation and development of fire within the enclosure of origin (Sub-system 1)
BS 4422:2005 Fire. Vocabulary
BS EN ISO 13350:2015 Fans. Performance testing of jet fans
BS EN 12101-10:2005 Smoke and heat control systems Power supplies

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