BS9251:2014 BSIStandardsPublication Fire sprinkler systems for domestic and residential occupancies Code of practice bsi.
BS9251:2014 BRITISH STANDARD Publishing and copyright information The BSI copyright notice displayed in this document indicates when the document was last issued. @ The British Standards Institution 2014 Published by BSI Standards Limited 2014 ISBN 978 0 580 82422 7 ICS 13.220.20 The following BSI references relate to the work on this document: Committee reference FSH/18/2 Draft for ment 14/30280481 DC Publication history First published as DD 251 April 2000 First edition as BS 9251 January 2005 Second (present) edition October 2014 Amendments issued since publication Date Text affected
BRITISHSTANDARD BS9251:2014 Contents Foreword ii Introduction1 1 Scope Normative references 7 2 2 3 Terms and definitions 2 4 Preliminary work and consultation 5 5 Design Installation missioning and documentation 20 8 6 7 Maintenance 23 Annexes Annex A (informative) Elements of a typical residential sprinkler system 25 Annex B (informative)Sprinkler performance reliability and resilience for systems installed in the homes of vulnerable people 26 Annex C (normative) Hydraulic calculations 27 Annex D (normative) Pipework support 33 Annex E (informative) Hydraulic test 33 Annex F (informative) Example of system data label 35 Bibliography 36 List of figures Figure 1- Stored water supply 14 Figure A.1 Elements of a typical mains-fed sprinkler system 25 Figure A.2 - Elements of a typical pump and tank sprinkler system 25 Figure C.1 - Example of a square law graduation graph 32 Figure C.2 - Blank template of a square law graduation graph 32 Figure E.1 - Test rig for hydraulic test Figure F.1 Example of system data label 35 34 List of tables Table 1 - Category of system 7 Table 2-Minimum design parameters Table C.1 - C values for various type of pipes 29 9 Table C.2a K values for carbon steel tube conforming to BS EN 10255 Medium series 29 Table C.2b K values for CPVC conforming to ASTM F442 29 Table C.2c K values for copper tube conforming to BS EN 1057:2006A1 half-hard R250 designation 29 Table C.3a -Typical equivalent lengths for steelfitings and valves 30 Table C.3b - Typical equivalent lengths for CPVC fittings and valves 30 Table C.3c - Typical equivalent lengths for copper fittings and valves 31 Table D.1 Maximum spacing of fixings for copper and stainless steel pipework 33 Table D.2 Maximum spacing of fixings for steel pipework 33 Table D.3 Maximum spacing of fixings for CPVC pipework 33 Summary of pages This document prises a front cover an inside front cover pages i to iv pages 1 to 38 an inside back cover and a back cover. The British Standards Institution 20141
BS9251:2014 BRITISH STANDARD Foreword Publishing information It was prepared by Submittee FSH/18/2 Sprinkler systems under the authority of Technical Committee FSH/18 Fixed fire fighting systems. A list of organizations Supersession This British Standard supersedes BS 9251:2005 which is withdrawn. Relationshipwith otherpublications Attention is drawn to the requirements of BS EN 806 with particular regard to backflow prevention to BS EN 805 where appropriate and to BS 1710 for guidance on identification and marking of pipework. listed in this standard is specified in BS EN 12845. Where sprinklers are not installed primarily for life protection in domestic and residential occupancies sprinkler installations conforming to BS EN 12845 might be more appropriate than those conforming to BS 9251. Guidance on the application of sprinkler systems is given in BS 9991 BS 9999 the [3]. [4] and its equivalents in Scotland [5] and Northern lreland [6]. Information about this document This is a full revision of the standard and introduces the following principal changes: 口 introduction of building categorization based on occupancy risk; 口 change of building height limit; 口 variation in sprinkler head design density; increase in sprinkler head spacing; 口 expanded guidance on water supplies; additional measures for vulnerable people and multi-occupancy premises. This British Standard is intended for the use of designers engineers architects surveyors contractors installers and authorities having jurisdiction. to consider the desirability of third-party certification/inspection/testing of system conformity assessment bodies or schemes may ask BSI to forward their enquiries to the relevant association. installed as a measure in the protection of life in the event of fire. This British Standard presumes that the sprinkler protection wil form part of an integrated fire safety system as part of the building design. @ The British Standards Institution 2014
BRITISHSTANDARD BS9251:2014 The remendations contained in this British Standard result from the best technical information available to the mittee at the time of writing. Firefighting and to cover every possible factor or circumstance that might affect implementation of this British Standard. Use of this document As a code of practice this British Standard takes the form of guidance and remendations. It should not be quoted as if it were a specification and misleading. Any user claiming pliance with this British Standard is expected to be able to justify any course of action that deviates from its remendations. It has been assumed in the preparation of this British Standard that the experienced people for whose use it has been produced. Presentationalconventions The provisions of this standard are presented in roman (i.e. upright) type. exne edouud eu uoum u saoueus u pessadxe ae suogepuawoi sil verb is *should". Commentary explanation and general informative material is presented in smaller italic type and does not constitute a normative element. Contractual and legal considerations This publication does not purport to include allthe necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Particular attention is drawn to the Water Supply (Water Fittings) Regulations the Water Regulations (Northern Ireland) 2006 [9] in respect of requirements supplied by a water undertaker or licensed water supplier. @ The British Standards Institution 2014 ii
BS 9251 2014 家用和住宅用消防喷水系统标准.pdf
