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Fire Protection Association
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LPC Rules for automatic sprinkler installations 2009 Incorporating BS EN 12845
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LPC Rules for Automatic Sprinkler Installations 2009 Incorporating BS EN 12845
.e • . :::;,- RISCAuthority
This document has been developed through the RISCAuthority and published by the Fire Protection Association (FPA). RISCAuthority membership comprises a group of UK insurers that actively support a number of expert working groups developing and promulgating best practice for the protection of people, property, business and the environment from loss due to fire and other risks. The technical expertise for this document has been provided by the Technical Directorate of the FPA, external consultants, and experts from the insurance industry who together form the various RISCAuthority Working Groups. Although produced with insurer input it does not (and is not intended to) represent a pan-insurer perspective. Individual insurance companies will have their own requirements which may be different from or not reflected in the content of this document.
The FPA has made extensive efforts to check the accuracy of the information and advice contained in this document and it is believed to be accurate at the time of printing. However, the FPA makes no guarantee, representation or warranty (express or implied) as to the accuracy or completeness of any information or advice contained in this document. All advice and recommendations are presented in good faith on the basis of information, knowledge and technology as at the date of publication of this document.
Without prejudice to the generality of the foregoing, the FPA makes no guarantee, representation or warranty (express or implied) that this document considers all systems, equipment and procedures or state-of-the-art technologies current at the date of this document.
Use of, or reliance upon, this document, or any part of its content, is voluntary and is at the user's own risk. Anyone considering using or implementing any recommendation or advice within this document should rely on his or her own personal judgement or, as appropriate, seek the advice of a competent professional and rely on that professional's advice. Nothing in this document replaces or excludes (nor is intended to replace or exclude), entirely or in part, mandatory and/or legal requirements howsoever arising (including without prejudice to the generality of the foregoing any such requirements for maintaining health and safety in the workplace).
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First published 2003
Technical Bulletins and this compilation © Fire Protection Association 2009
Text of BS EN 12845 © British Standards Institution 2009
This publication is a marked up version of BS EN 12845: 2004 + A2: 2009: Fixed firefighting systems. Automatic sprinkler systems Design, installation and maintenance (incorporating Corrigenda August 2009).
It includes within the page margins, notes by the FPA intended to guide the user to the corresponding parts of the FPA Technical Bulletins.
BSI takes no responsibility for the supplementary text added by the FPA.
BS EN 12845: 2004 + A2 : 2009 is reproduced with the permission of the British Standards Institution (BSI) under licence number 2009ET0037. Copyright subsists in all BSI publications. British Standards can be obtained in PDF or hard copy formats from the BSI online shop: www.bsigroup.comIShop or by contacting BSI Customer Services for hard copies only: tel : +44 (0)20 8996 9001; email: firstname.lastname@example.org.
Guidelines for the supply of water for fire sprinkler systems, which is based on an earlier FPA copyright document, is produced with the approval of the organisations which were involved in its preparation.
All rights reserved . No part of this composite document may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, without the prior permission in writing of the Fire Protection Association and (with respect to BS EN 12845) the British Standards Institution. Nor may the publication be otherwise circulated in any form of binding or cover other than in which it is published and without a similar condition including this condition being imposed on the subsequent purchaser.
Printed by Information Press 09.09/1.2
Contents September 2009
BS EN 12845: 2004 + A2: 2009: Fixed firefighting systems. Automatic sprinkler systems. Design, installation and maintenance (incorporating Corrigenda August 2009)
Foreword The LPC Rules for automatic sprinkler installations have a distinguished pedigree and this latest part of the work continues the tradition.
The history of sprinklers in the UK started almost two centuries ago. One of the earliest sprinkler systems was installed in 1812 at the Theatre Royal, Drury Lane, London. From these tentative beginnings, and with the active encouragement of insurance companies, the development of sprinklers and the installation of sprinkler systems burgeoned. It was not for another three quarters of a century, in 1885, that John Wormald of the Mutual Fire Insurance Corporation, composed a set of sprinkler rules; measures for the design and installation of sprinkler systems. In 1888, these rules were published in London by the insurance companies' Fire Offices' Committee (FOG). The 29th and last edition of the FOC rules was published in 1969.
In 1952, with the approval and collaboration of the FOC, the British Standards Institution drew heavily upon the content of the FOC rules to produce its Code of Practice for sprinkler systems. That Code was enlarged and superseded by BS 5306-2: 1979: Code of practice for fire extinguishing installations and equipment on premises (sprinkler systems).
The growing importance of sprinklers as a means of protecting people and premises from the hazard of fire led to the elaboration of the1979 standard into a document which could be cited for legislative purposes. In 1990, the British Standards Institution issued BS 5306-2: 1990: Fire extinguishing installations and equipment in buildings: Specification for sprinkler systems. That document embodied in full the requirements of the 29th edition of the FOC rules, together with unpublished amendments thereto.
The activities of the FOC were acquired by the Loss Prevention Council (LPC) on its formation in 1985. In 1991, the LPC undertook the publication of its LPC Rules for automatic sprinkler installations, incorporating the text of BS 5306-2 together with a growing series of Technical Bulletins (eventually more than 30 of them).
At about the same time as the 1991 Rules were issued by the LPC, th