Fixed firefighting systems - Automatic sprinkler systems - Part 3: Guidance for earthquake bracing

This document specifies requirements for earthquake protection of automatic sprinkler systems in accordance with EN 12845:2015+A1:2019.
This document applies only to locations in earthquake zones in accordance with EN 1998-1:2004, 3.2.1 and the Nationally Determined Parameters.
NOTE   The requirements in this document are based on the principle that certain peak ground acceleration values are considered as an earthquake which require special means. Attention is drawn to EN 1998-1:2004, where a peak ground acceleration above 0,08 g (0,78 m/s2) is considered an earthquake risk. Additional characteristics, NDP and/or NCI can exist in some countries as well as national annexes.
The principles defined in this document can be applicable to other water based fixed manual or automatic fire fighting systems, according to local requirements.

Ortsfeste Brandbekämpfungsanlagen - Automatische Sprinkleranlagen - Teil 3: Leitfaden für Erdbebensicherungen

Dieses Dokument legt Anforderungen an die Erdbebensicherung von automatischen Sprinkleranlagen nach EN 12845:2015+A1:2019 fest.
Dieses Dokument gilt nur für Standorte in Erdbebengebieten nach EN 1998-1:2004, 3.2.1, und den national festgelegten Parametern (NDP, en: Nationally Determined Parameter).
ANMERKUNG   Die Anforderungen in diesem Dokument beruhen auf dem Grundsatz, dass bestimmte Spitzenwerte der Bodenbeschleunigung als Erdbeben gelten, die besondere Maßnahmen erfordern. Es wird auf EN 1998-1:2004 verwiesen, bei der ein Spitzenwert der Bodenbeschleunigung von mehr als 0,08 g (0,78 m/s2) als Erdbebenrisiko angesehen wird. In einigen Ländern können zusätzliche Merkmale, NDP und/oder NCI (ergänzende nicht widersprechende Angaben, en: non-contradictory complementary information) sowie nationale Anhänge vorliegen.
Die in diesem Dokument festgelegten Grundsätze können je nach den örtlichen Anforderungen auch auf andere wasserbasierte ortsfeste manuelle oder automatische Brandbekämpfungsanlagen angewendet werden.

Installations fixes de lutte contre l’incendie - Systèmes d’extinction automatiques du type sprinkleur - Partie 3 : Recommandation pour le contreventement parasismique

Le présent document spécifie les exigences relatives à la protection parasismique par des systèmes d’extinction automatiques de type sprinkleur conformément à l’EN 12845:2015+A1:2019.
Le présent document s’applique uniquement aux lieux situés en zones sismiques conformément au 3.2.1 de l’EN 1998-1:2004 et aux Paramètres Déterminés au niveau National (PDN).
NOTE   Les exigences du présent document reposent sur le principe selon lequel certaines valeurs d’accélération maximale du sol sont considérées comme un séisme, ce qui requière des moyens spéciaux. L’attention est attirée sur l’EN 1998-1:2004, dans laquelle une accélération maximale du sol supérieure à 0,08 g (0,78 m/s2) est considérée comme un risque sismique. Il peut exister d’autres caractéristiques, PDN et/ou infrastructures nationales critiques dans certains pays, ainsi que des annexes nationales.
Les principes définis dans le présent document peuvent s’appliquer à d’autres systèmes fixes d’extinction manuelle ou automatique à base d’eau, selon les exigences locales.

Vgrajene naprave za gašenje - Avtomatski sprinklerski sistemi - 3. del: Navodila za zaščito pred potresi

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oSIST prEN 12845-3:2022
Vgrajene naprave za gašenje - Avtomatski sprinklerski sistemi - 3. del: Navodila za
zaščito pred potresi
Fixed firefighting systems - Automatic sprinkler systems - Part 3: Guidance for
earthquake bracing
Ortsfeste Brandbekämpfungsanlagen - Automatische Sprinkleranlagen - Leitfaden für
Installations fixes de lutte contre l'incendie - Systèmes d'extinction automatiques du type
sprinkleur - Partie 3: Recommandation pour le contreventement sismique
Ta slovenski standard je istoveten z: prEN 12845-3
13.220.10 Gašenje požara Fire-fighting
91.120.25 Zaščita pred potresi in Seismic and vibration
vibracijami protection
oSIST prEN 12845-3:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 12845-3:2022

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oSIST prEN 12845-3:2022

prEN 12845-3


July 2022
ICS 13.220.20 Will supersede CEN/TS 17551:2021
English Version

Fixed firefighting systems - Automatic sprinkler systems -
Part 3: Guidance for earthquake bracing
Installations fixes de lutte contre l'incendie - Systèmes Ortsfeste Brandbekämpfungsanlagen - Automatische
d'extinction automatiques du type sprinkleur - Partie Sprinkleranlagen - Leitfaden für Erdbebensicherungen
3: Recommandation pour le contreventement sismique
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 191.

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.



CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 12845-3:2022 E
worldwide for CEN national Members.

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oSIST prEN 12845-3:2022
prEN 12845-3:2022 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Design principles . 5
5 Sway bracing and sprinkler pipe support . 6
5.1 General. 6
5.2 Sway brace design. 7
5.3 Anchorage for in rack sprinklers .

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