Fixed firefighting systems - Water mist systems - Part 10: Test protocol for atrium protection with sidewall nozzles for open nozzle systems

This document specifies the evaluation of the fire performance of water mist systems for fire protection of atriums, with low or medium fire load where the fire load is no greater than 1,5 m height.

Ortsfeste Brandbekämpfungsanlagen - Wassernebelsysteme - Teil 10: Brandversuchsprotokoll für Atriumschutz mit Seitenwanddüsen für offene Düsensysteme

Dieses Dokument legt die Beurteilung des Verhaltens von Feinsprüh Löschanlagen für den Brandschutz von Atrien bei geringer oder mittlerer Brandlast fest, wobei die Brandlast eine Höhe von höchstens 1,5 m hat.

Installations fixes de lutte contre l'incendie - Systèmes à brouillard d'eau - Partie 10 : Protocole d'essai des systèmes à buses ouvertes pour protection d'atrium avec buses murales

Le présent document spécifie l'évaluation des performances incendie des systèmes à brouillard d'eau utilisés pour la protection contre l'incendie des atriums, avec une charge calorifique faible ou moyenne, où la charge calorifique ne dépasse pas 1,5 m de hauteur.

Vgrajeni gasilni sistemi - Sistemi s pršečo vodo - 10. del: Protokol preskušanja sistemov z odprtimi šobami za zaščito atrija s šobami na stranskih zidovih

General Information

Status
Published
Public Enquiry End Date
19-Dec-2019
Publication Date
10-May-2022
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
25-Apr-2022
Due Date
30-Jun-2022
Completion Date
11-May-2022

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SLOVENSKI STANDARD
SIST EN 14972-10:2022
01-junij-2022
Vgrajeni gasilni sistemi - Sistemi s pršečo vodo - 10. del: Protokol preskušanja
sistemov z odprtimi šobami za zaščito atrija s šobami na stranskih zidovih

Fixed firefighting systems - Water mist systems - Part 10: Test protocol for atrium

protection with sidewall nozzles for open nozzle systems
Ortsfeste Brandbekämpfungsanlagen - Wassernebelsysteme - Teil 10:

Brandversuchsprotokoll für Atriumschutz mit Seitenwanddüsen für offene Düsensysteme

Installations fixes de lutte contre l'incendie - Systèmes à brouillard d'eau - Partie 10 :

Protocole d'essai des systèmes à buses ouvertes pour protection d'atrium avec buses

murales
Ta slovenski standard je istoveten z: EN 14972-10:2022
ICS:
13.220.10 Gašenje požara Fire-fighting
SIST EN 14972-10:2022 en,fr,de

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

---------------------- Page: 1 ----------------------
SIST EN 14972-10:2022
---------------------- Page: 2 ----------------------
SIST EN 14972-10:2022
EN 14972-10
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2022
EUROPÄISCHE NORM
ICS 13.220.20
English Version
Fixed firefighting systems - Water mist systems - Part 10:
Test protocol for atrium protection with sidewall nozzles
for open nozzle systems

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

à brouillard d'eau - Partie 10 : Protocole d'essai des Wassernebelsysteme - Teil 10:

systèmes à buses ouvertes pour protection d'atrium Brandversuchsprotokoll für Atriumschutz mit

avec buses murales Seitenwanddüsen für offene Düsensysteme
This European Standard was approved by CEN on 13 March 2022.

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, 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
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. EN 14972-10:2022 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN 14972-10:2022
EN 14972-10:2022 (E)
Contents Page

European foreword ............................................................................................................................................. 3

1 Scope .......................................................................................................................................................... 5

2 Normative references .......................................................................................................................... 5

3 Terms, definitions and abbreviations ........................................................................................... 5

3.1 Terms and definition ........................................................................................................................... 5

3.2 Abbreviations ......................................................................................................................................... 5

4 General requirements ......................................................................................................................... 6

5 Fuel packages ......................................................................................................................................... 7

5.1 General ...................................................................................................................................................... 7

5.2 Walls .......................................................................................................................................................... 7

5.3 Sofas ........................................................................................................................................................... 7

5.4 Ignition source .....................................................................................................................................10

6 Test arrangement ................................................................................................................................11

6.1 General ....................................................................................................................................................11

6.2 Fire test set-up 1: Fuel package up against the atrium wall ................................................12

6.3 Fire test set-up 2: Fuel package positioned at half coverage spacing ..............................12

6.4 Fire test set-up 3: Fuel package positioned at full system coverage distance ...............12

7 Test equipment requirements .......................................................................................................13

8 Instrumentation requirements ......................................................................................................14

8.1 General ....................................................................................................................................................14

8.2 Temperature .........................................................................................................................................14

8.3 Pressure and flow rate ......................................................................................................................15

8.4 Time .........................................................................................................................................................15

9 Test criteria ...........................................................................................................................................16

9.1 General ....................................................................................................................................................16

9.2 Fire tests .................................................................................................................................................16

9.3 Evaluation of test results ..................................................................................................................18

9.3.1 Temperatures .......................................................................................................................................18

9.3.2 Fire damage ...........................................................................................................................................18

10 Test report .............................................................................................................................................19

---------------------- Page: 4 ----------------------
SIST EN 14972-10:2022
EN 14972-10:2022 (E)
European foreword

This document (EN 14972-10:2022) 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 October 2022, and conflicting national standards shall

be withdrawn at the latest by October 2022.

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.

EN 14972, Fixed firefighting systems - Water mist systems, consists of the following parts:

— Part 1: Design, installation, inspection and maintenance
— Part 2: Test protocol for shopping areas for automatic nozzle systems

— Part 3: Test protocol for office, school class rooms and hotel for automatic nozzle systems

— Part 4: Test protocol for non-storage occupancies for automatic nozzle systems
— Part 5: Test protocol for car garages for automatic nozzle systems

— Part 6: Test protocol for false floors and false ceilings for automatic nozzle systems

— Part 7: Test protocol for commercial low hazard occupancies for automatic nozzle systems

— Part 8: Test protocol for machinery in enclosures exceeding 260 m for open nozzle systems

— Part 9: Test protocol for machinery in enclosures not exceeding 260 m for open nozzle systems

— Part 10: Test protocol for atrium protection with sidewall nozzles for open nozzle systems

— Part 11: Test protocol for cable tunnels for open nozzle systems

— Part 12: Test protocol for commercial deep fat cooking fryers for open nozzle systems

— Part 13: Test protocol for wet benches and other similar processing equipment for open nozzle systems

— Part 14: Test protocol for combustion turbines in enclosures exceeding 260 m for open nozzle systems

— Part 15: Test protocol for combustion turbines in enclosures not exceeding 260 m for open nozzle

systems
— Part 16: Test protocol for industrial oil cookers for open nozzle systems

— Part 17: Test protocol for residential occupancies for automatic nozzle systems

NOTE This list includes standards that are in preparation and other standards may be added. For current status

of published standards refer to www.cencenelec.eu.
---------------------- Page: 5 ----------------------
SIST EN 14972-10:2022
EN 14972-10:2022 (E)

Any feedback and questions on this document should be directed to the users’ national standards body.

A complete listing of these bodies can be found on the CEN website.

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, 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 the United

Kingdom.
---------------------- Page: 6 ----------------------
SIST EN 14972-10:2022
EN 14972-10:2022 (E)
1 Scope

This document specifies the evaluation of the fire performance of water mist systems for fire protection

of interior atriums, with low or medium fire load where the fire load or any obstructions do not extend

above 1,5 m height.
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 14972-1:2020, Fixed firefighting systems - Water mist systems - Part 1: Design, installation, inspection

and maintenance

ISO 5660-1, Reaction-to-fire tests - Heat release, smoke production and mass loss rate - Part 1: Heat release

rate (cone calorimeter method) and smoke production rate (dynamic measurement)
3 Terms, definitions and abbreviations
3.1 Terms and definition

For the purposes of this document, the terms and definitions given in EN 14972-1 and the following apply.

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

— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at https://www.electropedia.org/
3.1.1
atrium

open space inside buildings or inside of a building complex with high ceiling exceeding the height of one

story where the fire load is located at the floor level only
3.1.2
low fire load

non-storage, non-manufacturing occupancy where the quantity and combustibility of the content are low

(less than 150 MJ/m )
3.1.3
medium fire load

non-storage, non-manufacturing occupancy where the quantity and combustibility of the content are

2 2
medium (between 150 MJ/m and 500 MJ/m )
3.2 Abbreviations
For the purposes of this document, the following abbreviations apply.
CL coverage length
H maximum installation height
---------------------- Page: 7 ----------------------
SIST EN 14972-10:2022
EN 14972-10:2022 (E)
4 General requirements

4.1 Up to a maximum of 5 nozzles used in the fire tests shall be kept for later verification.

NOTE Keeping samples of the tested nozzles is common practice. These are usually kept by the laboratories or

the certification bodies.

4.2 The water mist system, after manual activation, shall successfully complete all described

performance fire tests.

4.3 The fire load shall be taken from the conditioning area and arranged into the test area just before

conducting the test.

4.4 The water flow shall be shut-off 15 min after the activation of the system in the fire test. Any

remaining fire shall be manually extinguished and the fire damage shall be recorded.

4.5 All fire tests shall be conducted using the manufacturer instructions in regard to nozzle placement,

spray flux, and operating pressure. Sprays shall not be intermittent.
NOTE Intermittent systems are defined in EN 14972-1.

4.6 Prior to the testing, a layout of the water mist system to be tested shall be submitted for test

preparation purposes. This layout shall include any components required for the testing as well as the

full dimensioning (e.g. length of pipes).
4.7 System components, component locations and opera
...

SLOVENSKI STANDARD
oSIST prEN 14972-10:2019
01-december-2019
Vgrajeni gasilni sistemi - Sistemi s pršečo vodo - 10. del: Protokol preskušanja
sistemov z odprtimi šobami za zaščito atrija s šobami na stranskih zidovih

Fixed firefighting systems - Water mist systems - Part 10: Test protocol for atrium

protection with sidewall nozzles for open nozzle systems
Ortsfeste Brandbekämpfungsanlagen - Feinsprüh-Löschanlagen - Teil 10:

Brandversuchsprotokoll für Atriumschutz mit Seitenwanddüsen für offene Düsensysteme

Installations fixes de lutte contre l'incendie - Systèmes à brouillard d'eau - Partie 10 :

Protocole d'essai des systèmes à buses ouvertes pour protection d'atrium avec buses

murales
Ta slovenski standard je istoveten z: prEN 14972-10
ICS:
13.220.10 Gašenje požara Fire-fighting
oSIST prEN 14972-10:2019 en,fr,de

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

---------------------- Page: 1 ----------------------
oSIST prEN 14972-10:2019
---------------------- Page: 2 ----------------------
oSIST prEN 14972-10:2019
DRAFT
EUROPEAN STANDARD
prEN 14972-10
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2019
ICS 13.220.20
English Version
Fixed firefighting systems - Water mist systems - Part 10:
Test protocol for atrium protection with sidewall nozzles
for open nozzle systems

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

à brouillard d'eau - Partie 10 : Protocole d'essai des Löschanlagen - Teil 10: Brandversuchsprotokoll für

systèmes à buses ouvertes pour protection d'atrium Atriumschutz mit Seitenwanddüsen für offene

avec buses murales Düsensysteme

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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 14972-10:2019 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
oSIST prEN 14972-10:2019
prEN 14972-10:2019 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

1 Scope .................................................................................................................................................................... 4

2 Normative references .................................................................................................................................... 4

3 Terms, definitions and abbreviations ..................................................................................................... 4

3.1 Terms and definition ..................................................................................................................................... 4

3.2 Abbreviations ................................................................................................................................................... 4

4 General requirements ................................................................................................................................... 4

5 Test equipment requirements ................................................................................................................... 5

5.1 Test hall .............................................................................................................................................................. 5

5.2 Fuel package ..................................................................................................................................................... 5

5.3 Ignition source ................................................................................................................................................. 6

6 Fire test set-up requirements ..................................................................................................................... 7

6.1 Simulated atrium set-up ............................................................................................................................... 7

6.2 Fire test set-up 1: Fuel package up against the atrium wall ............................................................ 7

6.3 Fire test set-up 2: Fuel package positioned at half coverage spacing .......................................... 8

6.4 Fire test set-up 3: Fuel package positioned at full system coverage distance ........................... 8

6.5 Obstruction fire test set-up 4 ...................................................................................................................... 8

7 Instrumentation requirements .................................................................................................................. 9

7.1 Test hall temperature .................................................................................................................................... 9

7.2 Temperature measurements ................................................................................................................... 10

8 Testing criteria .............................................................................................................................................. 10

8.1 Temperatures ................................................................................................................................................ 10

8.2 .................................................................................................................................................. 10

Fire damages

9 Fire tests .......................................................................................................................................................... 11

9.1 Test program ................................................................................................................................................. 11

9.2 Test procedure .............................................................................................................................................. 11

10 Test report ...................................................................................................................................................... 11

Bibliography ................................................................................................................................................................. 12

---------------------- Page: 4 ----------------------
oSIST prEN 14972-10:2019
prEN 14972-10:2019 (E)
European foreword

This document (prEN 14972-10:2019) has been prepared by Technical Committee CEN/TC 191 “Fixed

firefighting systems”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.

EN 14972, Fixed firefighting systems — Water mist systems, consists of the following parts:

— Part 1: Design, installation, inspection and maintenance
— Part 2: Test protocol for shopping areas for automatic nozzle systems

— Part 3: Test protocol for office, school class rooms and hotel for automatic nozzle systems

— Part 4: Test protocol for non-storage occupancies for automatic nozzle systems
— Part 5: Test protocol for car garages for automatic nozzle systems

— Part 6: Test protocol for false floors and false ceilings for automatic nozzle systems

— Part 7: Test protocol for commercial low hazard occupancies for automatic nozzle systems

3 1)

— Part 8: Test protocol for machinery in enclosures exceeding 260 m for open nozzle systems

3 1)

— Part 9: Test protocol for machinery in enclosures not exceeding 260 m for open nozzle systems

— Part 10: Test protocol for atrium protection with sidewall nozzles for open nozzle systems

— Part 11: Test protocol for cable tunnels for open nozzle systems

— Part 12: Test protocol for commercial deep fat cooking fryers for open nozzle systems

— Part 13: Test protocol for wet benches and other similar processing equipment for open nozzle systems

3 1)

— Part 14: Test protocol for combustion turbines in enclosures exceeding 260 m for open nozzle systems

— Part 15: Test protocol for combustion turbines in enclosures not exceeding 260 m for open nozzle

systems
— Part 16: Test protocol for industrial oil cookers for open nozzle systems

— Part 17: Test protocol for residential occupancies for automatic nozzle systems

Under development.
---------------------- Page: 5 ----------------------
oSIST prEN 14972-10:2019
prEN 14972-10:2019 (E)
1 Scope

This document specifies the evaluation of the fire performance of water mist systems for fire protection

of atriums, with low or medium fire load where the fire load is no greater than 1,5 m height.

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.

prEN 14972-1, ): Fixed firefighting systems — Water mist systems — Design, installation, inspection

and maintenance
3 Terms, definitions and abbreviations
3.1 Terms and definition

For the purposes of this document, the terms and definitions given in prEN 14972-1 and the following

apply.

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

— ISO Online browsing platform: available at http://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
3.1.1
atrium

considered as in this procedure is an open space between or inside buildings with high ceiling

exceeding the height of one story where the fire load is located at the floor level only

3.2 Abbreviations
For the purposes of this document, the following abbreviation applies.
...

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