BRITISH STANDARD BS 5306-0:2020
Contents Page Foreword iii /202Introduction1
Section 1: Preliminaries2 02/02/Scope2
Normative references2 3Terms and definitions3 Section 2: Key concepts and initial considerations9 4Initial considerations and assessment of factors influencing protection design6 4.1General9 4.2Determining the protection objectives9 4.3Determining the firefighting ambition10 4.4Additional motivation for installing protection11 4.5Nature of the hazard(s) to be mitigated12 4.6Extent of protection12 4.7Fixed firefighting system reliability and performance12 5Interested parties and key stakeholders13 Section 3: Method of selection15 Identifying a suitable fixed firefighting system option15 Tecnica7Method A: Simplified selection method15
Figure 1 - Selection method flow chort16 Table 1 Method A: Typical examples offixed firefighting system by building occupancy or part thereof) - by mon purpose groups (1 of 2)17 Table 1 - Method A: Typical examples offixed firefighting system by building occupancy (or part Universidad thereof) by mon purpose groups (2 of 2)18 Table 2 - Method A: Fixed firefighting system by special application - by application types (1 of4)19 Table 2Method A:Fixed firefighting systembyspecialapplication byappliction ederico types (2 of4)20
Table 2 - Method A: Fixed firefighting system by special application - by application types (3 of4)21 Table2-Method A:Fixed frefighting system by specil application - by application Tecnica types (4 of4)22
8 Method B: Innovative, engineered or otherwise non-standard solutions23 Section 4: Compendium of supporting information26 pepis9Types of fixed systems and other firefighting equipment 26 9.1Fixed automatic systems26 Univer Figure 2 - Typical automatic sprinkler system27 Table 3 Classes of sprinkler system for different hazard classifications Figure 3 - Typica water spray system for limited area of risk29 copy Figure 4 - Gaseous system - Example of single-zone system32 Figure 5 - Gaseous system - Example of multi-zone system33 Figure 6 Carbon dioxide totalflooding system protecting a turbo-generator with initial and extended discharge over the whole volume35 Figure 7 - Carbon dioxide local applicotion system protecting quench tank36 Figure 8 - Typical pre-mixed foam system protecting α specific hazard Figure 9 - Typical low-exponsion foam deluge system using open foom nozzles38 Figure 10 - Typical low-expansion foom deluge system using aspirating foam sprinklers88 Figure 11 Typicalhigh-exponsion foam system for total flooding ofαwarehouseorstorage40
THE BRITISH STANDARDS INSTITUTION 2020 - ALL RIGHTS RESERVED
BS 5306-0:2020 BRITISH STANDARD
9.2Manual systems42 Figure 12 - Typicol hydrant system hose reel and foam inlet instolled in building43 10Effect of changing occupancies or building redundancy44 /20211Repeal of local acts45
12Expected performance and reliability; whole life considerations45 02/02/12.1General45
12.2Sprinkler system reliability data45 12.3System and ponent interoperability46 13 Relationship to other fire safety measures46 13.1General46 13.2Interactions between suppression and smoke ventilation47 14Firefighting media47 14.1General47 14.2Water48 14.3Gaseous media50 Table 4 - Limits for inert gas and halocarbon gent concentrations51 Tabie 5 - Ermvironmental rating of monly used gaseous media53 14.4 Foams53 14.5Powders56 14.6Condensed aerosols57 Tecnica14.7Wet chemicals (used in kitchen systems)58 14.8Oxygen reduction systems59 15Electricity and firefighting61 16Control of fixed firefighting systems61 16.1General61 Universidad16.2Water systems62
16.3Gaseous systems9 16.4Foam systems9 16.5Powder systems9 ederico16.6Condensed aerosols64
16.7Wet chemical (used in kitchen systems)64 16.8Oxygen reduction systems64 17Installation, inspection and testing of systems and equipment65 ecnica18 Servicing and maintenance of systems66 18.1General66 18.2Fire mains (including hydrants), hose reels and foam inlets66 Annex A(informative) Glossary of terms67 pepisn Annex B(informative) Environmental considerations for certain halocarbon agents 69 Bibliography71 doo Licensed
Summary of pages This document prises a front cover, and inside front cover pages i to vi, pages 1 to 75, an inside back cover and a back cover.
II THE BRITISH STANDARDS INSTITUTION 2020 ALL RIGHTS RESERVED
BRITISH STANDARD BS 5306-0:2020
Foreword f02/02/2021 Publishing information Standards Institution, and came into effect on 31 August 2020. It was prepared by Technical This part of BS 5306-0 is published by BSI Standards Limited, under licence from The British can be obtained on request to the mittee manager. Committee FSH/18, Fixed fire fighting systems. Alist of organizations represented on this mittees Supersession This part of BS 5306 supersedes BS 5306-0:2011, which is withdrawn. Relationship with other publications This part of BS 5306 serves to introduce the subsequent parts of BS 5306 and references other standards as listed below and de...
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