BS 5306-0:2011 BRITISH STANDARD - Iso-iran.ir
BS 5306-0:2011BRITISH STANDARDPublishing and copyright informationThe BSI copyright notice displayed in this document indicates when thedocument was last issued. BSI 2011ISBN 978 0 580 63241 9ICS 13.220.10The following BSI references relate to the work on this standard:Committee reference FSH/18Draft for comment 09/30182748 DCPublication historyFirst published January 1986Second (present) published January 2011Amendments issued since publicationDateText affected
BRITISH STANDARDBS 5306-0:2011ContentsForeword iiiSection 1. General 11Scope 12Normative references 13Terms and definitions 24Range of information 6Section 2. Relation to other fire safety measures5General 77Section 3. Fire-fighting media 86General 87Water 88Gaseous media 99Foams 1010Powders 12Section 4. Effects of fire-fighting media on people, property andthe environment 1411General 1412Water 1413Gaseous media 1514Foams 1715Powders 18Section 5. Fixed systems and other fire-fighting equipment 1916General 1917Hydrant systems, hose reels (water) and foam inlets 1918Automatic water systems 2019Portable fire extinguishers 2620Inert gas and halocarbon agent systems 2721Carbon dioxide systems 3022Halon systems 3223Foam systems 3224Powder systems 36Section 6. Dual use of media and systems 3725General 3726Examples of dual use of media and systemsSection 7. Control of fixed fire-fighting systems27General 3828Water systems 3829Gaseous systems 3930Foam systems 4031Powder systems 41Section 8. Characteristics of fire hazard32General 4233Risk assessment 4234Information and advice 42373842Section 9. Selecting the system to suit the fire hazard 4335General 4336Effect of system discharge on neighbouring occupancies 4337Effect of changing occupancies or building redundancy 44 BSI 2011 i
BS 5306-0:2011BRITISH STANDARDSection 10. Installation, inspection and testing of systemsand equipment 4638General 4639Installation 4640Acceptance testing 46Section 11. Servicing and maintenance of systems 4841General 4842Hydrant systems, hose reels and foam inlets 4843Sprinkler, water spray and watermist systems 4844Gaseous systems 4945Foam systems 4946Powder systems 50Section 12. Responsibility for fire-fighting equipment and systemson premises 5147Contract arrangements 51AnnexesAnnex A (informative) Typical applications of fire-fighting systems 52Annex B (informative) Halon 60Bibliography 62List of figuresFigure 1 – Typical hydrant system hose reel and foam inlet installedin building 20Figure 2 – Typical automatic sprinkler system 22Figure 3 – Typical water spray system for limited area of risk 24Figure 4 – Gaseous system – example Single zone system 28Figure 5 – Gaseous system – example Multi-zone system 29Figure 6 – Carbon dioxide total flooding system protecting aturbo‑generator with initial and delayed discharge over thewhole volume 31Figure 7 – Carbon dioxide local application system protectingquench tank 32Figure 8 – Typical pre-mixed foam system protecting a specifichazard 33Figure 9 – Typical low expansion foam deluge system using open foamnozzles or aspirating foam sprinklers 34Figure 10 – Typical high expansion foam system for total flooding of awarehouse or storage 36List of tablesTable 1 – Limits for inert gas and halocarbon agent concentrations 16Table 2 – Environmental rating of commonly used gaseous media 17Table 3 – Classes of sprinkler system for different hazardclassifications 23Table A.1 – Typical applications for gaseous systems 56Summary of pagesThis document comprises a front cover, an inside front cover,pages i to iv, pages 1 to 64, an inside back cover and a back cover.ii BSI 2011
BRITISH STANDARDBS 5306-0:2011ForewordPublishing informationThis part of BS 5306-0 is published by BSI and came into effect on31 January 2011. It was prepared by Subcommittee FSH/18/6, Gaseousextinguishing media and systems, under the authority of TechnicalCommittee FSH/18, Fixed fire fighting systems. A list of organizationsrepresented on this committee can be obtained on request to itssecretary.SupersessionThis part of BS 5306 supersedes BS 5306-0:1986 A2:1991, which iswithdrawn.Relationship with other publicationsThis part of BS 5306 serves to introduce the subsequent parts ofBS 5306, each of which gives requirements or recommendations forthe application of a particular type of fire-fighting system, discharginga particular fire-fighting medium. Taken together, the various partsof BS 5306 and other British Standards are intended to cover all themain types of fire-fighting medium and system in current use, andtherefore form a comprehensive guide to all aspects of the subject.The subsequent parts of BS 5306 are as follows: Part 1: Hose reels and foam inlets; Part 3: Commissioning and maintenance of portable fireextinguishers – Code of practice; Part 4: Specification for carbon dioxide systems; Part 5: Halon systems;—— Section 5.1: Specification for halon 1301 total flooding systems;—— Section 5.2: Halon 1211 total flooding systems; Part 8: Selection and installation of portable fire extinguishers –Code of practice.The following parts of BS 5306 have been superseded: Part 2: Specification for sprinkler systems 1)(Superseded by BS EN 12845 A2, Fixed firefighting systems –Automatic sprinkler systems – Design, installation and maintenance); Part 6: Foam systems;—— Section 6.1: Specification for low expansion foam systems;—— Section 6.2: Specification for medium and high expansionfoam systems(Superseded by BS EN 13565-2, Fixed firefighting systems – Foamsystems – Part 2: Design, construction and maintenance); Part 7: Specification for powder systems(Superseded by BS EN 12416-2, Fixed firefighting systems –Powder systems – Part 2: Design, construction and maintenance).1)BS 5306-2 is current but obsolescent, meaning that it is no longerbeing maintained by the committee. As such, BS EN 12845 A2 should beused instead. BSI 2011 iii
BS 5306-0:2011BRITISH STANDARDOther related British Standards and Drafts for Development areas follows: BS 9251 Sprinkler systems for residential and domestic occupancies– Code of practice; BS 9990, Code of practice for non-automatic fire-fighting systemsin buildings; BS EN 671 (all parts), Fixed firefighting systems – Hose systems; BS EN 12416 (all parts), Fixed firefighting systems – Powder systems; BS EN 12845 A2, Fixed firefighting systems – Automatic sprinklersystems – Design, installation and maintenance; BS EN 13565 (all parts), Fixed firefighting systems – Foam systems; BS EN 15004 (all parts), Fixed firefighting systems – Gasextinguishing systems; DD 8458 (all parts), Fixed fire protection systems – Residential anddomestic watermist systems; DD 8489 (all parts), Fixed fire protection systems –Industrial andcommercial watermist systems 2).Information about this documentThe aim of this part of BS 5306 is to aid selection of the fire-fightingmedium and type of system or equipment by describing thecharacteristics and most suitable applications of each.Consideration has been given to other aspects of fire-fighting mediaincluding toxicity to people, effect of discharge on visibility, danger ofuse on electrical equipment etc., in addition to other considerationssuch as monitoring, testing, maintenance and user responsibility.More detailed consideration of systems and equipment, includingsafety precautions, is given in the subsequent parts of BS 5306 andother British Standards.None of the recommendations or guidance in this standard should betaken as precluding the provision of manual means of fighting fire oras obviating the necessity to notify the fire and rescue service in theevent of a fire.This standard is written in SI units, except that pressures are expressed inbars 3). Water discharge densities are expressed as rainfall at floor level,in mm/min (1 mm/min 0.02 gal per ft2 per min 1 L per m2 per min).Use of this documentAs a guide, this part of BS 5306 takes the form of guidance andrecommendations. It should not be quoted as if it were a specificationor a code of practice and claims of compliance cannot be made to it.Contractual and legal considerationsThis publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity fromlegal obligations.iv BSI 20112)In preparation.3)1 bar 105 N/m2 100 kPa.
BRITISH STANDARDBS 5306-0:2011Section 1. General1 ScopeThis part of BS 5306 gives guidance on the selection, use and applicationof automatic water sprinkler, water spray, watermist, gaseous, foamand powder fire-fighting systems and hypoxic air fire-preventionsystems. It also gives guidance on installed equipment for fire and rescueservice use, and on the application of portable fire extinguishers. Itcomplements the more detailed information given in the specializedparts of this standard and other relevant standards.This part of BS 5306 does not cover fire-fighting systems for use onships, in aircraft, on vehicles and mobile fire appliances or for belowground systems in the mining industry.It also does not cover powdered aerosol extinguishing agents.2 Normative referencesThe following referenced documents are indispensable for theapplication of this document. For dated references, only the editioncited applies. For undated references, the latest edition of thereferenced document (including any amendments) applies.BS 4422, Fire – VocabularyBS 5306-1, Code of practice for fire extinguishing installations andequipment on premises – Part 1: Hose reels and foam inletsBS 5306-3, Fire extinguishing installations and equipment onpremises – Part 3: Commissioning and maintenance of portable fireextinguishers – Code of practiceBS 5306-4, Fire extinguishing installations and equipment onpremises – Part 4: Specification for carbon dioxide systemsBS 5306-5.1, Fire extinguishing installations and equipment onpremises – Part 5: Halon systems – Section 5.1: Specification forhalon 1301 total flooding systemsBS 5306-5.2, Code of practice for fire extinguishing installationsand equipment on premises – Part 5: Halon systems – Section 5.2:Halon 1211 total flooding systemsBS 7273-1, Code of practice for the operation of fire protectionmeasures – Part 1: Electrical actuation of gaseous total floodingextinguishing systemsBS 7273-2, Code of practice for the operation of fire protectionmeasures – Part 2: Mechanical actuation of gaseous total floodingand local application extinguishing systemsBS EN 12845 A2, Fixed firefighting systems – Automatic sprinklersystems – Design, installation and maintenance BSI 2011 1
BS 5306-0:2011BRITISH STANDARD3 Terms and definitionsFor the purposes of this part of BS 5306, the terms and definitionsgiven in BS 5306‑1, BS 5306-3, BS 5306-4 and BS 5306‑5, BS 4422 andthe following apply.3.1area of operationmaximum area over which it is assumed, for design purposes, thatsprinklers will operate in a fire[BS EN 12845 A2]NOTE This is sometimes referred to as the “assumed maximum areaof operation”.3.2class A firefire involving solid materials, usually of an organic nature, in whichcombustion normally takes place with the formation of glowing embers[BS 4422]3.3class B firefire involving liquids or liquefiable solids[BS 4422]3.4class C firefire involving gases[BS 4422]3.5class D firefire involving metals[BS 4422]3.6control valve setassembly comprising an alarm valve, a stop valve and all the associatedvalves and accessories for the control of one sprinkler installation[BS EN 12845 A2]NOTE The valve nearest the supply is termed the mains shut‑off valve andserves to cut off the supply when the system is undergoing maintenanceor modification. At all times when the system is operative, it is openand is strapped in this position to prevent inadvertent closure. The valveimmediately downstream of the mains shut‑off valve is termed the alarmvalve and serves to separate the water supply from the system. The alarmvalve opens automatically when a sprinkler operates in response to the hotgases rising from a fire.3.7deluge systemwater spray system, usually with separate detection system,incorporating open nozzles which discharge over a prescribed area3.8design densityminimum density of discharge, in millimetres per minute of water,for which a sprinkler installation is designed, determined from thedischarge of a specified group of sprinklers, in litres per minute,divided by the area covered, in square metres3.9extinguishing concentrationconcentration of a gaseous extinguishing medium necessary to ensureextinction of flaming combustion of a particular material[BS EN 15004]2 BSI 2011
BRITISH STANDARDBS 5306-0:20113.10fire-fighting mediumsubstance contained in a fire‑fighting system that, when dischargedon to the fire, is intended to produce extinction, suppression orcontrol depending upon the objective of the system3.113.11.1fire mainsdry fire mainwater supply pipe installed in a building for fire‑fighting purposes,fitted with inlet connections at fire and rescue service access level andlanding valves at specified points, which is normally dry but is capableof being charged with water, usually by pumping from fire and rescueservice appliances[BS 9990]3.11.2wet fire mainwater supply pipe installed in a building for fire‑fighting purposes andpermanently charged with water from a pressurized supply, and fittedwith landing valves at specified points[BS 9990]3.12foam branchsimilar device to the foam‑making branchpipe except that it doesnot induce air, the foam being made further upstream at an in‑linegenerator, and reaches the branch as expanded foam3.13foam inletfixed equipment consisting of an inlet connection, fixed piping and adischarge assembly, enabling the fire and rescue service to introducefoam into an enclosed compartment[BS 5306-1 (modified)]3.14foam‑making branchpipehand‑held foam generating and discharge device in which the foamsolution is aerated, expanded and discharged as a jet or spray3.15foam monitorsimilar device in principle to the foam branch or foam branchpipe,but mounted on a swivelling base, so that its greater output can bedischarged without reaction on the operator. The base unit may befixed at one place, or may be trolley‑mounted or vehicle‑mounted3.16fluorinated surfactantparticular type of surfactant that gives greater reduction of surfacetension3.17halonhalogenated hydrocarbon used as an extinguishing medium3.18fire hazardparticular area or activity in which a risk of fire can occur, and theconsequences of that fireNOTE A hazard might be, for example, a data centre, telecomsswitching centre, paint spraying plant, printing press, industrial fryer orheat‑treatment bath. In fire sprinkler standards, “hazard” indicates therate of growth of a fire in the early stages. BSI 2011 3
BS 5306-0:2011BRITISH STANDARD3.19high‑racked storagestorage in which goods are held on high racking so that they areaccessible for loading and withdrawal, usually by mechanical means3.20hose reel (water)fire-fighting equipment, consisting of a length of tubing fitted with ashut-off nozzle and attached to a reel, with a permanent connectionto a pressurized water supply[BS 5306-1]3.21hypoxic airair containing a constant reduced oxygen concentration relative tothat at atmospheric pressure at sea level3.22inerting concentrationconcentration of a gaseous extinguishing medium necessary to preventignition of a particular material[BS 4422 (modified)]NOTE The inerting concentration is usually higher than the recommendedextinguishing concentration.3.23landing valveassembly comprising a valve and outlet to enable connection offire‑fighting hose to a fire main[BS 9990]3.24liquefied natural gas (LNG)gas comprising naturally occurring light hydrocarbons at normalatmospheric temperature and pressureNOTE These hydrocarbons are often associated with crude oil deposits.They are stored and handled as deeply refrigerated liquids at substantiallyatmospheric pressure.3.25liquefied petroleum gas (LPG)gas comprising light hydrocarbons, which at normal atmospherictemperature and pressure exist as gases but which are readily liquefiedby the application of moderate pressureNOTE These hydrocarbons can be stored and handled as liquids underpressure at ambient temperature or as refrigerated liquids at substantiallyatmospheric pressure. The term is used to include commercial butane,commercial propane and mixtures thereof.3.26local application systemautomatic or manual fire-fighting system in which a fixed supply of afire-fighting medium is permanently connected to fixed piping withnozzles arranged to discharge the fire-fighting medium directly to afire occurring in a defined area that has no enclosure surrounding it, oris only partially enclosed, and that does not produce an extinguishingconcentration throughout the entire volume containing the protectedhazard[BS 5306-4 (modified)]3.27lowest observed adverse effect level (LOAEL)lowest concentration at which an adverse toxicological or physiologicaleffect has been observed[BS 4422]4 BSI 2011
BRITISH STANDARDBS 5306-0:20113.28manual hose‑reel (gaseous) systemfire-fighting system consisting of a hose, stowed on a reel or rack,with a manually operated discharge assembly, all connected by a fixedpipe to a supply of carbon dioxide (see also 3.21)3.29no observed adverse effect level (NOAEL)highest concentration at which no adverse toxicological or physiologicaleffect has been observed[BS 4422]3.30slop overcondition that occurs when a water spray (or foam) is applied to thesurface of a burning liquid that has developed a hot zone beneaththe surface at a temperature in excess of 100 C; on passing throughthis zone, the water boils and expands suddenly, causing some of theflammable liquid to pour over the rim of the tank[BS 4422]3.31sprinkler (automatic)nozzle with a thermally sensitive sealing device which opens todischarge water for fire-fighting[BS EN 12845 A2]3.32sprinkler installationpart of sprinkler system comprising a control valve set, the associateddownstream pipes and sprinklers[BS EN 12845 A2]3.33sprinkler systementire means of providing sprinkler protection in the premisescomprising one or more sprinkler installations, the pipework to theinstallations and the water supply/supplies[BS EN 12845 A2]3.34storage hazardgeneral dangers of storage of goods, with regard to their fire grading,flammability, method of packing, storage, etc.3.35surfactantsurface‑active agent, i.e. a chemical that reduces the surface tensionof water3.36total flooding systemautomatic or manual fire-extinguishing system in which a fixed supplyof extinguishing medium is permanently connected to fixed pipingwith nozzles arranged to discharge the extinguishing medium intoan enclosed space in order to produce a concentration sufficient toextinguish fire throughout the entire volume of the enclosed space[BS 5306-4 (modified)]3.37watermist systemdistribution system connected to a water supply, with atomizing mediawhere required, that is fitted with one or more nozzles capable ofdelivering watermist intended to control, suppress or extinguish fireNOTE Watermist systems can discharge water or a mixture of water andsome other agent or agents, i.e. inert gases or additives. BSI 2011 5
BS 5306-0:2011BRITISH STANDARD3.38water spray systemsystem, similar in principle to a sprinkler system, that is designed toextinguish, suppress or control flammable liquid fires, or to providecooling to an exposed area likely to be subjected to intense heatradiation from a neighbouring fire[BS 4422 (modified)]NOTE Spray systems range in size from very small to very large, asdescribed in Section 5.4 Range of informationA range of information needs to be considered by the specifier ordesigner of a fire‑fighting system to ensure that the most suitablemedium and type of system is selected for a given application. Thedecision-making process is informed by carrying out an assessmentof the nature of the fire hazard and the degree
BRITISH STANDARD BS 5306-0:2011 Section 1. General 1 Scope This part of BS 5306 gives guidance on the selection, use and application of automatic water sprinkler, water spray, watermist, gaseous, foam and powder fire-fighting systems and hypoxic air fire-prevention systems. It also gives guidance on installed equipment for fire and rescue
Jan 18, 2004 · DEPARTMENT OF STATE DIVISION OF PROFESSIONAL REGULATION 5300 BOARD OF MASSAGE AND BODYWORK Statutory Authority: 24 Delaware Code, Section 5306(a)(1) (24 Del.C. §5306(a)(1)) 24 DE Admin.Code 5300 FINAL ORDER 5300 Board of Massage and Bodywork After due notice in the Delaware Register of Regula
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