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Fire protection

BS EN 12845:2004+A2:2009

Fixed firefighting systems. Automatic sprinkler systems. Design, installation and maintenance

Status : Current Published : November 2004

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BS EN 12845:2004+Amendment 2:2009 Fixed firefighting systems. Automatic sprinkler systems. Design, installation and maintenance

BS EN 12845 specifies requirements and gives recommendations for the design, installation and maintenance of fixed fire sprinkler systems in buildings and industrial plants. It gives particular requirements for sprinkler systems, which are important when measuring protection.

The requirements and recommendations of this standard also apply to any addition, extension, repair or other modification to a sprinkler system. They do not apply to water spray or deluge systems.

BS EN 12845 covers the classification of hazards, provision of water supplies, components to be used, installation and testing of the system, maintenance, and the extension of existing systems. It identifies construction details of buildings, which are the minimum necessary for satisfactory performance of sprinkler systems complying with this standard.

BS EN 12845 does not cover water supplies to systems other than sprinklers. Its requirements can be used as guidance for other fixed fire fighting extinguishing systems, however, provided that any specific requirements for other fire fighting extinguishing supplies are taken into account.
This standard also covers sprinkler kits where a kit includes all the components necessary to complete the installed sprinkler system.

The requirements are not valid for automatic sprinkler systems on ships, in aircraft, on vehicles and mobile fire appliances or for below ground systems in the mining industry.
The 2009 amendments to BS EN 12845 include a CEN update and corrections to the national foreword.

Contents of BS EN 12845:

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Contract planning and documentation
5 Extent of sprinkler protection
6 Classification of occupancies and fire hazards
7 Hydraulic design criteria
8 Water supplies
9 Type of water supply
10 Pumps
11 Installation type and size
12 Spacing and location of sprinklers
13 Pipe sizing and layout
14 Sprinkler design characteristics and uses
15 Valves
16 Alarms and alarm devices
17 Pipework
18 Signs, notices, and information
19 Commissioning
20 Maintenance
Annex A (normative) Classification of typical hazards
Annex B (normative) Methodology for categorizing stored goods
Annex C (normative) Alphabetical listing of stored products and categories
Annex D (normative) Zoning of sprinkler installations
Annex E (normative) Special requirements for high rise systems
Annex F (normative) Special requirements for life safety systems
Annex G (normative) Protection of #deleted text$ special hazards
Annex H (normative) Sprinkler systems monitoring
Annex I (normative) Transmission of alarms
Annex J (informative) Precautions and procedures when a system is not fully operational
Annex K (informative) Twenty-five year inspection
Annex L (informative) Special technology
Annex M (informative) Independent certification body
Bibliography

Standard Number	BS EN 12845:2004+A2:2009
Title	Fixed firefighting systems. Automatic sprinkler systems. Design, installation and maintenance
Status	Current
Publication Date	16 November 2004
Cross References	EN 54-1, EN 54-2, EN 54-3, EN 54-4, EN 54-5, EN 54-10, EN 54-11, EN 287-1, EN 1057, EN 1254, EN 12259-1, EN 12259-2, EN 12259-3, EN 12259-4, EN 12259-5, prEN 12259-12, EN 12723, EN 50342-1, EN 50342-2, EN 60529, EN 60529, IEC 60529:1989, EN 60623, IEC 60623:2001, EN 60947-1, IEC 60947-1:2007, EN 60947-4, IEC 60947-4-1:2000, EN ISO 3677, ISO 3677:1992, ISO 65, ISO 3046, EN ISO 9001, ISO 9001:2000, EN 671
Replaces	BS EN 12845:2003
International Relationships	EN 12845:2004 Identical
Amended By	Amendment July 2009. Amends and replaces BS EN 12845:2004. Corrigendum August 2009.
Descriptors	Fire sprinklers, Fire extinguishers, Fixed, Firefighting equipment, Automatic control systems, Fire safety in buildings, Fire extinguishers (built-in), Installation, Design, Maintenance, Classification systems, Hazards, Water supply (buildings), Performance testing
ICS	13.220.20 (Fire protection)
Title in French	Installations fixes de lutte contre l'incendie. Systèmes d'extinction automatiques du type sprinkleur. Conception, installation et maintenance
Title in German	Ortsfeste Brandbekämpfungsanlagen. Automatische Sprinkleranlagen. Planung, Installation und Instandhaltung
Committee	FSH/18/2
ISBN	978 0 580 68733 4
Publisher	BSI
Format	A4
Delivery	YES
Pages	184
File Size	1.637 MB
Notes	This standard is the subject of transitional arrangements agreed under a European Commission mandate and is intended to lead to CE marking in support of the Construction Products Directive. In order to allow for any changes in national regulations, the Commission in consultation with Member States have agreed a transition period for the co-existence of EN 12845 and corresponding national standards. Therefore at the end of this period BS 5306-2:1990 will be withdrawn.
Price	£ 228.00

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