Fixed firefighting systems - Automatic residential sprinkler systems - Design, installation and maintenance

This draft European Standard specifies requirements and gives recommendations for the design, installation and maintenance of fixed residential fire sprinkler systems in buildings, or parts of buildings, for residential and domestic occupancies. The buildings are classified as follows:
a)   Building type 1 (the least hazardous):
1)   one or 2 family dwelling / house;
2)   single apartment in an unsprinklered building;
3)   manufactured home.
b)   Building type 2:
1)   apartments / block of flats;
2)   house with multiple households using shared facilities;
3)   care home / nursing home (excluding hospitals) / kindergarten;
4)   student accommodation.
Building type 2 is limited to buildings with up to 4 storeys above ground.
c)   Building type 3:
1)   building type 2 higher than 4 storeys and hotels up to 4 storeys.
Areas within buildings that contain hazards other than those which typically would be found in a residential occupancy are not covered by this standard and should be protected by a sprinkler system, including its water supply, designed in accordance with EN 12845. In such buildings the part that is a residential occupancy should be designed in accordance with this standard. Forms of secure accommodation such as correctional or rehabilitation facilities are not covered by this standard.
The requirements and recommendations of this standard are also applicable to any addition, extension, repair or other modification to the residential sprinkler system.
This standard covers the provision of water supplies, components to be used, installation and testing of the system, maintenance, and the extension of existing systems, and identifies construction details of buildings which are the minimum necessary for satisfactory performance of residential sprinkler systems complying with this standard.
The standard is not intended to restrict new technologies or alternative arrangements, provided that an equivalent level of safety is ensured by a third party.
This standard is intended for use by those concerned with purchasing, designing, installing, testing, inspecting, approving, operating and maintaining automatic residential sprinkler systems, in order that such equipment will function as intended throughout its life.
This standard is intended only for fixed residential fire sprinkler systems in buildings on land, and it is a basic assumption that this standard is for the use of companies employing personnel competent in the field of application with which it deals. Only trained and experienced personnel should undertake the design, installation and maintenance of residential sprinkler systems. Similarly, competent technicians should be used in the inspection and testing of the system.
This standard does not necessarily cover all legislative requirements. National requirements regarding residential occupancies are mandatory.

Ortsfeste Brandbekämpfungsanlagen - Automatische Sprinkleranlagen für Wohnbereiche - Planung, Installation und Instandhaltung

Dieser europäische Norm-Entwurf legt Anforderungen fest und gibt Empfehlungen für die Planung, den Einbau, die Wasserversorgungen und Rückflussverhinderung, Inbetriebnahme, Instandhaltung sowie Prüfung von ortsfesten Wohnraumsprinkleranlagen in Gebäuden für Wohnbereiche.
Diese Norm ist für die Anwendung durch Personen, die mit Kauf, Planung, Einbau, Prüfung, Inspektion, Abnahme, Betrieb und Instandhaltung automatischer Wohnraumsprinkleranlagen zu tun haben, bestimmt, damit derartige Einrichtungen wie vorgesehen über ihre gesamte Lebensdauer funktionieren.
Diese Norm weist Konstruktionsdetails von Gebäuden aus, die für die ordnungsgemäße Ausführung von Wohnraumsprinkleranlagen nach dieser Norm mindestens erforderlich sind.
Diese Norm gilt für jede Ergänzung, Erweiterung, Reparatur oder sonstige Veränderung an Wohnraum-sprinkleranlagen.
Diese Norm gilt nicht für Flächen innerhalb von Gebäuden, die Gefährdungen enthalten, die anders sind als solche, die in einem Wohnbereich zu finden sind. Diese Norm gilt nicht für Situationen, z. B. Brandstiftung, bei denen Brände an mehreren Stellen gleichzeitig vorsätzlich gelegt werden können. Diese Norm gilt nicht für sichere Unterkünfte, z. B. Justizvollzugsanstalten und Rehabilitationseinrichtungen.
Es sollte nicht angenommen werden, dass die Bereitstellung einer Wohnraumsprinkleranlage die Notwendigkeit anderer Mittel zur Branderkennung und  bekämpfung überflüssig macht, und es ist wichtig, die Brandschutzmaßnahmen im Wohnbereich als Ganzes zu betrachten. Berücksichtigt werden müssen der Feuerwiderstand baulicher Anlagen, Fluchtwege, Rauchmelder, Brandmeldeanlagen, Bereitstellung von tragbaren Feuerlöschern, Schulung und Information. Die nationale Gesetzgebung muss in jedem Fall eingehalten werden und wird normalerweise die Notwendigkeit für weitere Brandschutzmaßnahmen zusätzlich zu Wohnraumsprinkleranlagen abdecken.
Es wird angenommen, dass Planung und Bau des Gebäudes den örtlichen Bauordnungen und nationalen Anforderungen entsprechen. Wird die Wohnraumsprinkleranlage verwendet, um andere Brandschutz-maßnahmen, z. B. Wände oder Türen, zu ersetzen, dürfen die Baubehörden den Einbau einer Anlage mit zusätzlichen Vorrichtungen zur Steigerung der Leistung und/oder Zuverlässigkeit verlangen.
Planung, Einbau, Inspektion, Prüfung und Instandhaltung von Wohnraumsprinkleranlagen sollten nur von einer kompetenten Person durchgeführt werden. Diese Norm deckt unter Umständen nicht alle örtlichen oder nationalen gesetzlichen Anforderungen ab, die Vorrang vor dieser Norm haben dürfen.

Installations fixes de lutte contre l’incendie - Systèmes d’extinction automatiques du type sprinkleur résidentiel - Conception, installation et maintenance

Le présent projet de Norme européenne spécifie des exigences et fournit des recommandations pour la conception, l’installation, les sources d’eau et les disconnecteurs hydrauliques, la mise en service, les essais et la maintenance des systèmes d’extinction fixes de type sprinkleur résidentiel dans les bâtiments à usage résidentiel.
La présente norme est destinée aux personnes chargées de l’achat, de la conception, de l’installation, des essais, des inspections, de l’approbation, de l’utilisation et de la maintenance des systèmes d’extinction automatique de type sprinkleur résidentiel. Elle les aidera à obtenir de ces équipements un fonctionnement nominal pendant toute leur durée de vie.
La présente norme identifie les détails de construction des bâtiments qui sont nécessaires au fonctionnement satisfaisant des systèmes d’extinction de type sprinkleur résidentiel conformes à la présente norme.
La présente norme s’applique à tout ajout, extension, réparation ou autre modification apporté(e) à un système de type sprinkleur.
La présente norme ne couvre pas les zones situées à l’intérieur des bâtiments qui présentent des dangers autres que ceux rencontrés dans un local résidentiel. La présente norme ne couvre pas les situations telles que les incendies criminels où des incendies dus à une intention malveillante peuvent être déclarés simultanément à plusieurs emplacements. La présente norme ne couvre pas les logements sécurisés tels que les établissements pénitentiaires ou les centres de redressement.
Il convient de ne pas supposer que la présence d’un système d’extinction de type sprinkleur résidentiel supprime la nécessité d’autres moyens de détection et de lutte contre les incendies et il est important d’étudier dans leur ensemble les mesures contre l’incendie mises en œœuvre dans le local. Tous les éléments doivent être pris en compte : la résistance au feu de la structure, les voies d’évacuation, les détecteurs de fumée, les systèmes d’alarme incendie, la présence d’extincteurs portables, la formation et l’information. Il convient de toujours respecter la législation nationale, elle imposera normalement de prendre d’autres mesures contre l’incendie, en plus des systèmes d’extinction de type sprinkleur résidentiel.
Il est supposé que la conception et la construction du bâtiment seront conformes aux codes locaux du bâtiment et aux exigences nationales. Si le système d’extinction de type sprinkleur résidentiel doit servir à compenser d’autres moyens de protection contre l’incendie, comme les murs et les portes, les services d’urbanisme peuvent exiger l’installation d’un système avec des mesures supplémentaires pour en améliorer le fonctionnement et/ou la fiabilité.
Il convient que la conception, l’installation, l’inspection, les essais et la maintenance de systèmes d’extinction de type sprinkleur résidentiel soient uniquement effectués par une personne compétente. La présente norme ne couvre pas nécessairement toutes les exigences législatives nationales ou locales qui peuvent prendre le pas sur la présente norme.

Vgrajeni gasilni sistemi - Avtomatski sprinklerski sistemi za bivalne površine - Načrtovanje, vgradnja in vzdrževanje

Ta osnutek evropskega standarda vsebuje zahteve in priporočila za načrtovanje, vgradnjo in vzdrževanje vgrajenih sprinklerskih sistemov za bivalne površine v stavbah ali delih stavb, ki se uporabljajo v bivalne in gospodinjske namene. Stavbe so razvrščene na naslednji način:
a) Stavba tipa 1 (najmanjša nevarnost):
1) eno- ali dvodružinsko stanovanje/hiša;
2) posamezno stanovanje v stavbi brez sprinklerskega sistema;
3) gotova hiša.
b) Stavba tipa 2:
1) stanovanja/stanovanjski blok;
2) večstanovanjska hiša s skupno uporabo prostorov;
3) dom za starejše občane (razen bolnišnice)/vrtec;
4) namestitev za študente.
Stavbe tipa 2 so omejene na stavbe z največ 4 etažami.
b) Stavba tipa 3:
1) stavba tipa 2, ki ima več kot 4 etaže, in hoteli z največ 4 etažami.
Območja v stavbah, v katerih so prisotne nevarnosti, ki niso običajne za bivalne prostore, niso zajeta v tem standardu in jih je treba zaščititi s sprinklerskim sistemom, vključno z virom oskrbe z vodo, izdelanim v skladu s standardom EN 12845. V takšnih stavbah mora biti bivalni del izdelan v skladu s tem standardom. Oblike varne namestitve, kot je kazenski poboljševalni zavod ali zavod za rehabilitacijo, v tem standardu niso obravnavane.
Zahteve in priporočila tega standarda veljajo tudi za vse dodatke, razširitve, popravke ali druge spremembe sprinklerskega sistema za bivalne površine.
Ta standard obravnava zagotavljanje oskrbe z vodo, sestavne dele za uporabo, vgradnjo in preskušanje sistema ter vzdrževanje in razširitev obstoječih sistemov ter opredeljuje minimalne konstrukcijske podrobnosti stavb za uspešno izvedbo sprinklerskih sistemov za bivalne površine v skladu s tem standardom.
Namen tega standarda ni omejevanje novih tehnologij ali alternativnih ureditev pod pogojem, da tretja oseba zagotovi enakovredno raven varnosti.
Ta standard naj bi uporabljale osebe, ki se ukvarjajo z nabavo, projektiranjem, vgradnjo, preskušanjem, pregledovanjem, potrjevanjem, upravljanjem in vzdrževanjem avtomatskih sprinklerskih sistemov za bivalne površine z namenom, da bi taka oprema delovala kot predvideno vso življenjsko dobo.
Ta standard se uporablja samo za vgrajene sprinklerske sisteme za bivalne površine v stavbah na kopnem ter osnovna predpostavka je, da je ta standard namenjen podjetjem, v katerih je zaposleno osebje z ustrezno izobrazbo na področju obravnavane uporabe. Načrtovanje, vgradnjo in vzdrževanje sprinklerskih sistemov za bivalne površine naj bi izvajalo samo usposobljeno in izkušeno osebje. Podobno naj bi nadzor in preskušanje sistema izvajali usposobljeni tehniki.
V tem standardu morda niso obravnavane vse zakonodajne zahteve. Nacionalne zahteve v zvezi z uporabo v bivalne namene so obvezne.

General Information

Status
Published
Public Enquiry End Date
29-Dec-2015
Publication Date
03-Feb-2019
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
15-Jan-2019
Due Date
22-Mar-2019
Completion Date
04-Feb-2019

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SLOVENSKI STANDARD
SIST EN 16925:2019
01-marec-2019
9JUDMHQLJDVLOQLVLVWHPL$YWRPDWVNLVSULQNOHUVNLVLVWHPL]DELYDOQHSRYUãLQH
1DþUWRYDQMHYJUDGQMDLQY]GUåHYDQMH

Fixed firefighting systems - Automatic residential sprinkler systems - Design, installation

and maintenance
Ortsfeste Brandbekämpfungsanlagen - Automatische Sprinkleranlagen für
Wohnbereiche - Planung, Installation und Instandhaltung

Installations fixes de lutte contre l’incendie - Systèmes d’extinction automatiques du type

sprinkleur résidentiel - Conception, installation et maintenance
Ta slovenski standard je istoveten z: EN 16925:2018
ICS:
13.220.20 3RåDUQD]DãþLWD Fire protection
SIST EN 16925:2019 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 16925:2019
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SIST EN 16925:2019
EN 16925
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2018
EUROPÄISCHE NORM
ICS 13.220.20
English Version
Fixed firefighting systems - Automatic residential
sprinkler systems - Design, installation and maintenance

Installations fixes de lutte contre l'incendie - Systèmes Ortsfeste Brandbekämpfungsanlagen - Automatische

d'extinction automatiques du type sprinkleur Sprinkleranlagen für Wohnbereiche - Planung,

résidentiel - Conception, installation et maintenance Installation und Instandhaltung

This European Standard was approved by CEN on 24 September 2018.

This European Standard was corrected and reissued by the CEN-CENELEC Management Centre on 19 December 2018.

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. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATIO N
EUROPÄISCHES KOMITEE FÜR NORMUN G
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 16925:2018 E

worldwide for CEN national Members.
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SIST EN 16925:2019
EN 16925:2018 (E)
Contents Page

European foreword ....................................................................................................................................................... 5

Introduction .................................................................................................................................................................... 6

1 Scope .................................................................................................................................................................... 7

2 Normative references .................................................................................................................................... 7

3 Terms and definitions ................................................................................................................................... 8

4 Contract planning and documentation................................................................................................. 11

4.1 General ............................................................................................................................................................. 11

4.2 Preliminary stage ......................................................................................................................................... 11

4.3 Consultation ................................................................................................................................................... 12

4.4 Design stage ................................................................................................................................................... 13

5 Extent of residential sprinkler protection .......................................................................................... 17

5.1 Buildings and areas to be protected ...................................................................................................... 17

5.2 Permitted exceptions .................................................................................................................................. 17

5.3 Design Criteria - limited areas within the building that are not residential occupancies . 19

5.4 Fire resistant separation ........................................................................................................................... 19

6 Hydraulic design and pipe layout ........................................................................................................... 20

6.1 Hydraulic design criteria ........................................................................................................................... 20

6.2 Locations of the area of operation — Hydraulic demand .............................................................. 20

6.3 Hydraulic Calculations ............................................................................................................................... 20

6.4 Pipe layout ...................................................................................................................................................... 21

6.5 Flexible Sprinkler Hose .............................................................................................................................. 21

7 Water supplies .............................................................................................................................................. 22

7.1 Water supply .................................................................................................................................................. 22

7.2 Backflow prevention ................................................................................................................................... 22

7.3 Maximum water pressure ......................................................................................................................... 22

7.4 Housing of equipment for water supplies ........................................................................................... 22

7.5 Test facility devices ..................................................................................................................................... 22

8 Type of water supply ................................................................................................................................... 23

8.1 General ............................................................................................................................................................. 23

8.2 Water main ..................................................................................................................................................... 23

8.3 Storage tanks ................................................................................................................................................. 24

8.4 Pressure tanks ............................................................................................................................................... 26

9 Residential Sprinkler System Pumps .................................................................................................... 26

9.1 General – All types of residential sprinkler systems ....................................................................... 26

9.2 Compartments for pump sets .................................................................................................................. 27

9.3 Temperature requirements ..................................................................................................................... 27

9.4 Valves and accessories ............................................................................................................................... 27

9.5 Suction conditions ....................................................................................................................................... 27

9.6 Performance characteristics .................................................................................................................... 29

9.7 Electrically driven pump set – All types of residential sprinkler systems .............................. 31

10 Installation type and size .......................................................................................................................... 32

10.1 Wet pipe installations ................................................................................................................................. 32

10.2 Dry pipe installations ................................................................................................................................. 37

10.3 Pre-action installations .............................................................................................................................. 37

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SIST EN 16925:2019
EN 16925:2018(E)

11 Spacing and location of sprinklers ......................................................................................................... 37

11.1 General ............................................................................................................................................................. 37

11.2 Spacing of residential sprinklers ............................................................................................................ 38

11.3 Distance of residential sprinklers from walls .................................................................................... 39

11.4 Deflector position of residential sprinklers ....................................................................................... 39

11.5 Obstructions in relation to residential sprinklers ........................................................................... 39

11.6 Small compartments .................................................................................................................................... 46

12 Sprinkler design characteristics and uses ........................................................................................... 46

12.1 General ............................................................................................................................................................. 46

12.2 Sprinkler types and application .............................................................................................................. 46

12.3 Sprinkler nominal operating temperatures ....................................................................................... 46

12.4 Sprinkler rosettes and cover plates ....................................................................................................... 47

13 Valves and gauges ......................................................................................................................................... 48

13.1 Control valve set ............................................................................................................................................ 48

13.2 Stop valves ....................................................................................................................................................... 48

13.3 Drain requirements ..................................................................................................................................... 48

13.4 Test valves ....................................................................................................................................................... 48

13.5 Pressure gauges ............................................................................................................................................ 48

14 Alarms and alarm devices ......................................................................................................................... 49

14.1 System monitoring and alarm transmission ...................................................................................... 49

14.2 Water flow A alarm ...................................................................................................................................... 49

14.3 Alarm connection ......................................................................................................................................... 49

15 Pipework .......................................................................................................................................................... 50

15.1 Pipe system ..................................................................................................................................................... 50

15.2 Pipe supports ................................................................................................................................................. 51

16 Signs, notices and information ................................................................................................................ 52

16.1 Block plan ........................................................................................................................................................ 52

16.2 Signs and notices ........................................................................................................................................... 53

17 Commissioning tests .................................................................................................................................... 54

17.1 General ............................................................................................................................................................. 54

17.2 All pipework ................................................................................................................................................... 54

17.3 Dry pipework ................................................................................................................................................. 54

17.4 Completion certificate and documents ................................................................................................. 54

18 Inspection, testing and maintenance..................................................................................................... 55

18.1 General ............................................................................................................................................................. 55

18.2 Spare sprinklers ............................................................................................................................................ 55

18.3 Precautions while carrying out work .................................................................................................... 55

18.4 Annual inspection ......................................................................................................................................... 55

18.5 Long-term inspections ................................................................................................................................ 57

Annex A (normative) Sprinkler system zoning ............................................................................................... 58

A.1 General ............................................................................................................................................................. 58

A.2 Guidance for zoned installations ............................................................................................................ 58

Annex B (normative) Sprinkler system monitoring...................................................................................... 59

B.1 Type 1 systems .............................................................................................................................................. 59

B.2 Type 2 and 3 systems .................................................................................................................................. 59

B.3 Functions to be monitored ........................................................................................................................ 59

Annex C (normative) Transmission of alarms................................................................................................. 61

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SIST EN 16925:2019
EN 16925:2018 (E)

C.1 Type 1 systems .............................................................................................................................................. 61

C.2 Type 2 and Type 3 systems ....................................................................................................................... 61

Annex D (normative) Hydraulic calculations .................................................................................................. 63

D.1 Static pressure ............................................................................................................................................... 63

D.2 Flow from a sprinkler ................................................................................................................................. 63

D.3 Pipe friction loss ........................................................................................................................................... 63

D.4 Pressure loss through fittings and valves ........................................................................................... 64

D.5 Velocity ............................................................................................................................................................ 66

D.6 Accuracy of calculations ............................................................................................................................ 66

Annex E (normative) Long term inspection and testing of pipework and sprinklers ...................... 67

Annex F (informative) Special circumstances ................................................................................................ 68

Annex G (informative) Typical water supply arrangements ..................................................................... 69

Annex H (informative) Precautions and procedures when a system is not fully operational ...... 72

H.1 Minimizing the fire safety risk when a sprinkler system is shut down .................................... 72

H.2 Planned shut-down ...................................................................................................................................... 72

H.3 Unplanned shut-down ................................................................................................................................ 72

H.4 Action following sprinkler operation ................................................................................................... 73

Annex I (informative) Hydraulic test ................................................................................................................. 74

Annex J (informative) New technology .............................................................................................................. 76

Bibliography ................................................................................................................................................................. 77

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SIST EN 16925:2019
EN 16925:2018(E)
European foreword

This document (EN 16925:2018) has been prepared by Technical Committee CEN/TC 191 “Fixed firefighting

systems”, the secretariat of which is held by BSI.

This European Standard shall be given the status of a national standard, either by publication of an identical

text or by endorsement, at the latest by June 2019, and conflicting national standards shall be withdrawn at

the latest by September 2020.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. CEN shall not be held responsible for identifying any or all such patent rights.

Annexes A to E are normative. Annexes F to J are informative.
This standard is part of a series of standards which includes the following:

— EN 12259 (all parts), Fixed firefighting systems – Components for sprinkler and water spray systems;

— EN 12845, Fixed firefighting systems – Automatic sprinkler systems;
— prEN 14972 (all parts), Fixed firefighting systems – Water mist systems;

— EN 12094 (all parts), Fixed firefighting systems – Components for gas extinguishing systems;

— EN 15004 (all parts), Fixed firefighting systems – Gas extinguishing systems;
— EN 12416 (all parts), Fixed firefighting systems – Powder systems;

— ISO 6184 (all parts), Fixed firefighting systems – Explosion protection systems;

— EN 13565 (all parts), Fixed firefighting systems – Foam systems;
— EN 671 (all parts), Fixed firefighting systems – Hose systems;
— EN 12101 (all parts), Smoke and heat control systems.

According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following

countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech

Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece,

Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,

Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

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SIST EN 16925:2019
EN 16925:2018 (E)
Introduction

Sprinkler systems have demonstrated their value in protecting life and property in industrial and

commercial applications for over 100 years. The recognition that the largest number of deaths from fire

occur in the home has led to the introduction of sprinkler systems specifically designed for residential

occupancies.

A correctly designed and installed residential sprinkler system can detect and control a fire at an early stage

of development and activate a fire alarm. Operation of the system rapidly reduces the rate of production of

heat and smoke, allowing more time for occupants to escape to safety or be rescued.

Sprinklers operate at predetermined temperatures to discharge water over the area below. Only the

sprinklers near the fire, which are individually heated above their operating temperature, will operate. The

flow of water initiates a fire alarm signal to draw attention to the operation of the system. The operating

temperature is generally selected to suit ambient temperature conditions.

It is essential that residential sprinkler systems are properly maintained and regularly tested to ensure

correct operation in case of fire.

It should not be assumed that the provision of a residential sprinkler system eliminates the need for other

means of detecting and fighting fires and it is important to consider the fire precautions in the occupancy as

a whole. Structural fire resistance, escape routes, smoke alarms, fire alarm systems, provision of portable

extinguishers, training and information all need consideration.

It is assumed that the building design and construction will be in accordance with local building codes and

national requirements. If the residential sprinkler system is to be used to compensate for other fire

protection measures, such as walls or doors, building authorities may require the installation of a system

with additional measures to enhance performance and/or reliability.

Only a competent person should undertake the design, installation, inspection, testing and maintenance of

residential sprinkler systems. This standard does not necessarily cover all local or national legislative

requirements, which may take precedence over this standard.
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SIST EN 16925:2019
EN 16925:2018(E)
1 Scope

This document specifies requirements and gives recommendations for the design, installation, water

supplies and backflow prevention, commissioning, maintenance and testing of fixed residential fire sprinkler

systems in buildings for residential occupancies.

This document is intended for use by those concerned with purchasing, designing, installing, testing,

inspecting, approving, operating and maintaining automatic residential sprinkler systems, in order that such

equipment will function as intended throughout its life.

This document identifies construction details of buildings which are the minimum necessary for satisfactory

performance of residential sprinkler systems complying with this standard.

This document applies to any addition, extension, repair or other modification to the residential sprinkler

system.

This document does not cover situations such as arson where fires of a malicious intent may be started in

multiple locations simultaneously.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content constitutes

requirements of this document. For dated references, only the edition cited applies. For undated references,

the latest edition of the referenced document (including any amendments) applies.

EN 54 (all parts), Fire detection and fire alarm systems

EN 1057, Copper and copper alloys — Seamless, round copper tubes for water and gas in sanitary and heating

applications
EN 10205, Cold reduced tinmill products — Blackplate

EN 10216-1, Seamless steel tubes for pressure purposes — Technical delivery conditions — Part 1: Non-alloy

steel tubes with specified room temperature properties

EN 10217-1, Welded steel tubes for pressure purposes — Technical delivery conditions — Part 1: Non-alloy

steel tubes with specified room temperature properties

EN 10255, Non-Alloy steel tubes suitable for welding and threading — Technical delivery conditions

EN 12259-1, Fixed firefighting systems — Components for sprinkler and water spray systems — Part 1:

Sprinklers

EN 12259-5, Fixed firefighting systems — Components for sprinkler and water spray systems — Part 5: Water

flow detectors

prEN 12259-14, Fixed firefighting systems — Components for sprinkler and water spray systems — Part 14:

Sprinklers for residential applications

EN 12845, Fixed firefighting systems — Automatic sprinkler systems — Design, installation and maintenance

EN 1717, Protection against pollution of potable water in water installations and general requirements of

devices to prevent pollution by backflow
EN 60529, Degrees of protection provided by enclosures (IP Code) (IEC 60529)
---------------------- Page: 9 ----------------------
SIST EN 16925:2019
EN 16925:2018 (E)

EN 60730-1, Automatic electrical controls for household and similar use — Part 1: General requirements (IEC

60730-1)

EN 60898-1, Electrical accessories — Circuit breakers for overcurrent protection for household and similar

installations — Part 1: Circuit-breakers for a.c. operation (IEC 60898-1)

EN 806-2:2005, Specification for installations inside buildings conveying water for human consumption — Part

2: Design

EN 806-5, Specifications for installations inside buildings conveying water for human consumption — Part 5:

Operation and maintenance

IEC 60331-1, Tests for electric cables under fire conditions — Circuit integrity — Part 1: Test method for fire

with shock at a temperature of at least 830°C for cables of rated voltage up to and including 0,6/1 kV and with

an overall diameter exceeding 20 mm
3 Terms and definitions

For the purposes of this document, the terms and definitions given in EN 12845 and the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
A alarm
system flow alarm that indicates a possible fire
3.2
alarm receiving unit
control panel capable of initiating an alarm
3.3
area of operation

maximum area over which is it assumed, for design purposes, that sprinklers will operate in a fire

3.4
authority

organization or individual responsible for approving sprinkler systems, equipment and procedures

EXAMPLE Examples include the fire and building control authorities, the fire insurers, the local water authority

and other appropriate public authorities.
3.5
sprinkler (automatic)

nozzle with a thermally sensitive sealing device which opens to discharge water for fire-fighting

3.6
B alarm
indication of a technical fault or a
...

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