Sprinkler Rules Standards in Europe Karimkarzazi Daegu English

International seminar on "Hydraulic Fire-protection Systems" - Daegu, Korea on the 20th of August, 2010

SPRINKLER RULES & STANDARDS IN EUROPE CEA 4001 & EN 12845

DAEGU: 20th August 2010 Karim KARZAZI

Development of sprinkler rules & standards in Europe.

Overview of past, existing and future situation

Development of sprinkler rules & standards in Europe. Overview of past, existing and future situation

4 The first sprinkler rules appeared in years 1898 and were mainly based on manufacturer design approach.

4Until the years 1970’s, the most updated specifications were developed by insurers (APSAD in France, VdS

in Germany, LPC

in UK…).

4 From 1970’s most of national standardisation bodies copied the sprinkler installation rules developed by insurers, but insurance rules were more up to date and were very commonly used.

Development of sprinkler rules & standards in Europe. Overview of past, existing and future situation4Until the years 1990’s: As many standards and rules (insurance

rules) as countries in Europe:

4 Even if insurers and certification bodies started to work together on draft for common European standards and rules.

Development of sprinkler rules & standards in Europe. Overview of past, existing and future situationWhy we have both insurance sprinkler rules and sprinkler standards at the same time?

4 Standard : Public document. Usually linked to regulation for fire protection (shopping centre, high rise building…)

4 Insurance rule : Private rules. Usually linked to insurer recommendation (industry, warehouses…).

Scope and content are similar, but insurance rule more up to date with some additional specifications. Insurers wish to manage their own specifications.

12845: 2004 + Amendment N°2 edition 2009

Fixed firefighting systems. Automatic sprinkler systems.

Design, installation and maintenance.

EN 12 845 : background42004: first publication of a European sprinkler installation

standard : EN 12 845 (EN = European Norm).

42009: Amendment A1 and Amendment A2.

Amendment A1 Mainly editorial modifications Deletion of Annex ZA: no more kit. No more harmonised standard.

Amendment A2 19 urgent technical modifications to make the standard more practical

(applicable): New definitions, completed table 4 (storage height), modified table 14 (NPSH), important modification for classification of goods and activities (influence of plastics)…

4This standard replace (compulsory) all the existing sprinkler installation standards in the 27 European countries + affiliated countries (Norway, Switzerland, Iceland).

4In each country the standard has the same numbering.

BS EN 12845 in UK

DIN EN 12845 in GERMANY

NF EN 12845 in FRANCE

UNE EN 12845 in SPAIN

EN 12 845 : backgroundEN 12 845 : background

EN 12 845 : technical content4 Introduction reminds that the protection shall cover the entire

building (or limited by fire resistant wall -

1h minimum) with only limited exceptions.

4 Standard to be used by competent contractors but no notion of certification. It is up to each country.

4 The sprinklers which can be used are those defined in EN 12259-1 (maxi K115 today) but the annex L opens the possibility to other technologies not yet covered by the standard.

4 The standard EN 12845 covers :― Classification,

― Routines test,

― Design,

― Maintenance,― Water supply,

― Extension

― Installation,

― Special hazards.

EN 12 845 : technical content4Classification of occupancies and fire hazards4The list of classification is given in the annex A for a direct

reading.4Many modifications (hardening) of classification with the

amendment A2. Classifications get closer to NFPA 13.

EN 12 845 : technical contentClassification of occupancies and fire hazards

EN 12 845 : technical contentClassification of occupancies and fire hazardsStorage -

Methodology

EN 12 845 : technical contentClassification of occupancies and fire hazardsExample:Refrigerator on a plastic pallet.Pallet : 5 kg Fridge made of steel : total 35kg with 3kg of plastic.Volume 1,2m3

Foam plastic insulation:0,2m3

If plastic pallet HHS3,

if wood pallet HHS2

EN 12 845 : technical contentHydraulic design criteria

EN 12 845 : technical contentHydraulic design criteria (A2)

EN 12 845 : technical contentType of water supplies4Single water supply: one pump + one tank4Single superior water supply: Two pumps and one tank4Duplicate water supply: Two pumps and two tanks.But no guideline to choose the type of water supply: up to each national regulation.

EN 12 845 : technical contentSpacing and location of sprinklers4

Area covered per sprinkler and similar spacing to the NFPA 13.

EN 12 845 : technical contentMaintenance

4Spare parts: 6 / 24 / 36 spk

like NFPA 13.

4Weekly routine tests:

Levels of tanks, position of valves,

Pressure

Water motor alarm test

Automatic pump starting test & run for 20 minutes.

4Monthly, quarterly, half-yearly and yearly routine test and control defined for each equipment: similar to NFPA 25.

EN 12 845 : technical contentAnnex G : Protection of special hazards

4G2: aerosol: according to height and type: minimum 12,5 l/m2/min over 260m².

4G3 clothes on hangers: 7,5 l/m2/min + intermediate protection.

4G4: flammable liquids: according to height and flash point 10 l/m2/min, 12,5 l/m2/min or 25 l/m2/min, but important area of

application 450 m2.

12 259-1 to 12: sprinkler components standards

EN 12 259 : component standards

4 This series of standards covers the requirements and test methods for components used in sprinkler systems.

Part 1 – Sprinklers

Part 2 – Wet alarm valves

Part 3 – Dry alarm valves

Part 4 – Water Motor Alarms

Part 5 – Water Flow Detectors

Part 6 – Pipe Couplings Not yet published.

Part 7 – Pipe Hangers Not published. Basic requirement will be introduced into 12845.

EN 12 259 : component standards

Part 8 – Pressure Switches Not yet published.

Part 9 – Deluge Valves In process to be published

Part 10 – Multiple controls Withdrawn from the CEN list due to very limited applications.

Part 11 – Medium and High Velocity Watersprayers The Components Panel has asked for this document to be withdrawn from the CEN list due to a wide range of variables which are manufacturer specific.

Part 12 - Sprinkler Pumps In process to be published

4All the components shall be approved and CE marked.EN 12 259 : component standards

CEA 4001 sprinkler systems:

planning and installation

4 In 1996, first publication of a European sprinkler installation rule: The CEA 4001 (CEA = Committee of European Insurers).

4 Step by step each country is modifying its national insurance sprinkler rule to stick toCEA

4 Includes specific insurance requirements and updated regularly (every 2-3 years).

4 Except some national specificities, all insurance rules are very similar.

Download it for free at : http://www.cea.eu

CEA 4001 : focus on some technical aspects CEA 4001 : background

CEA 4001 : focus on some technical aspects 4New annex K11: Protection of rubber tyres

Based on full scale fire tests conducted at UL and CNPP. Solution with spray sprinklers

CEA 4001 : focus on some technical aspects 4New annex K11: Protection of rubber tyres

Based on full scale fire tests conducted at UL (USA) and CNPP (France).

Solution with ESFR sprinklers

CEA 4001 : focus on some technical aspects

4 Pre-calculated system: not allowed anymore for new systems.

4 Guideline to choose the type of water supply : according to category of risk and number of sprinklers installed: Duplicate water supply for large site.

4 Annex with specifications for ESFR system: similar design to NFPA 13.

CEA 4001 : focus on some technical aspects 4New concept for rack protection:

In order to give more details about the in-rack protection and guidance for the protection of various type of racks especially multiple row racks, new definitions are proposed as well as important modifications of clauses 6.2.3.3 and 11.5.

ConclusionEuropean rule and standard are on the way to be unified with less and less technical differences between each.Not perfect but pragmatic specifications.… If we could avoid that, it would be good!

Thank you for your attention

karim.karzazi@allianz.com

Sprinkler Rules Standards in Europe Karimkarzazi Daegu English

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