Risk Consulting

REVISION TO EN 12 845 and CEA 4001

EFSN – MAY 2014

Do you think our sprinkler standards are so complicated?

REVISION TO EN 12 845 and CEA 4001

1: Current status of EN 12 845 – revision 1

2: revision 2 of EN 12845

3: CEA 4001- new edition 2013

4: CEA 4001 expected modifications

REVISION TO EN 12 845 and CEA 4001

Current status of EN 12 845 – revision 1

4 Current version : 4 June 2009 Includes amendments A1 and A2

4Revision 1 of EN 12 8454 Includes ESFR, CMSA, excessive clearance, test

line, electrical cables, K factor >115, third party inspection, new annex F…)

4 prEN 12845 rev 1 had a UAP draft dispatched to CCMC on 2013/12/18 (stage 30.99),

4 the next stage will be the submission to UAP (formal vote yes/no) by 2014/05/22

Future revision 2 of EN 12 845

4 New structure of document : 27 chapters distributed in 6 sections

4 SECTION 1: SCOPE, REFERENCES and DEFINITIONS4 SECTION 2 : HAZARD EVALUATION4 SECTION 3 : DESIGN CRITERIA4 SECTION 4 : INSTALLATION4 SECTION 5 : WATER SUPPLY4 SECTION 6 : COMMISSIONING AND CONTROL PROGRAMME4 Annexes

4 Draft expected S2-2014

Future revision 2 of EN 12 845 : KEY POINTS

SECTION 1: SCOPE, REFERENCES and DEFINITIONS

4 Introduction enabling new technologies not included

4 Scope more precise to avoid conflict especially with residential sprinkler standard

4 More comprehensive set of definitions

4 Will include contract, planning and documentation

Future revision 2 of EN 12 845 : KEY POINTS

SECTION 2 : HAZARD EVALUATION4 New HHS 5 to take into account plastic goods

4 Classification will differentiate: manufacturing / non-manufacturing.

4 Classification for manufacturing will include additional parameters to define hazard : Fire Hazard : FH1, FH2, FH3 or FH4

Will be detailed in the next presentation (Stuart Lloyd)

Future revision 2 of EN 12 845 : KEY POINTS

SECTION 3 : DESIGN CRITERIA4 Design density and area of operation linked to hazard class + ceiling

height4 Design section for storage will include existing and new protection

tables + new HHS 5 classification.4 Will cover the former special risk annex G (flammable liq, hanging

garments, aerosols...) 4 Storage configuration STC1 to STC6 will remain similar as today4 ESFR and CMSA will be as separate chapters

Future revision 2 of EN 12 845 : KEY POINTS

SECTION 4 : INSTALLATION4 No big modification but many improvements and precisions of

existing text :4 dry system, 4 more details about specific areas like stairways, concealed spaces.. 4 location from beams, 4 Sprinkler above suspended ceiling. 9 m² for hollow spaces > 0.3 m and < 0.5

m…,4 Clarification about location of in-rack sprinkler4 Special rack configuration included4 Corrosion issues 4 Electrical issues: more details provided especially regarding alarms

Future revision 2 of EN 12 845 : KEY POINTS

SECTION 5 : WATER SUPPLY4 Connection for other service : hydrants 90m3/h in OH and 120 m3/h

in HH.4 Detailed requirements for pump room and alarm valve room4 Velocity in the suction pipe increased to 2,5 m/s for suction lift

condition and 4m/s for positive head : cost effective modification4 Specific requirements for diesel equipped with Electronic Fuel

Management Control (ECM)

Future revision 2 of EN 12 845 : KEY POINTS

Section 5 : water supply4 Volume of tank no longer based on Qmax: reduction of tank volume;

based on unfavourable area.

Future revision 2 of EN 12 845 : KEY POINTS

SECTION 6 : COMMISSIONING AND CONTROL PROGRAMME4 Contract , planning and documentation: simplification with

suppression of preliminary design stage4 Flushing of pipework4 Detail procedure for commissioning and first inspection to be be

witnessed by the authorities or a third party inspection body accepted by the authorities

4 Model of maintenance report provided : complete list of all maintenance operation for each component

4 Model of commissioning and inspection report provided

Future revision 2 of EN 12 845 : KEY POINTS

SECTION 6 : COMMISSIONING AND CONTROL PROGRAMME4 Detailed user’s control programme

Future revision 2 of EN 12 845

Annexes

4 All references to pre-calculated system suppressed from main body of the text

4 Specific annex (stand alone) covers all the requirements for pre-calculated system (FH1 and FH2)

4 Number of annexes reduced4 Comprehensive annex for new technologies detailing

process to accept them

Future revision 2 of EN 12 845 : conclusion

4 Even if many modifications are expected:

4Standard should be simple to understand and to apply: more flow charts and graphics

4Installation should not be more expensive than today (even less: e.g. tank volume…)

4A large range of technology (K factor, type of sprinklers…) should be possible

CEA 4001- new edition 2013

4First published in 19964Latest edition August 2013 4Includes all the proposals drafted

since 2009:4New concept for rack protection

(multiple row, >3,2m wide…)4Protection of rubber tyres 4Update classification of goods

involving plastic4Sprinkler in freezers4Suction chambers4…

CEA 4001: expected modifications

4Future Update planed for end of 2014-beginning 2015

4Main modifications will concern:4Full revision of chapter 15 : pipework4Total revision of Annex L : ESFR4New annex for CMSA

CEA 4001: expected modifications

revised chapter 15 : pipework4 Include requirements for plastic pipe, press fitting pipe system,

flexible pipe, stainless steel…4Detailed requirements for pipe thickness and pipe assembly

Nominal diameter External Ø

Roll grooved or welded Threaded pipes and cut grooved

NF EN 10 216-1

NF EN 10 255 –type

L

NF EN 10 217–1

EN 10 255 –

type M

EN 10 216 –1

EN 10 217 –1

DN 25 1" 33,7 2,6 2,6 2,6 3,2 3,2 3,2DN 32 1"1/4 42,4 2,6 2,6 2,6 3,2 3,2 3,2DN 40 1"1/2 48,3 2,6 2,6 2,6 3,2 3,2 3,2DN 50 2" 60,3 2,6 2,6 2,6 3,6 3,6 3,6DN 65 2"1/2 76,1 2,6 2,6 2,6 3,6 3,6 3,6DN 80 3" 88,9 2,9 2,9 3,2 4 4 4

DN 100 4" 114,3 3,2 3,2 3,6 4,5 4,5 4,5DN 125 5" 139,7 3,6 3,6 4 5 5 5DN 150 6" 168,3* 4 4 4,5 5 5 5DN 200 8" 219,1 4,5 - 4,5 - 6,3 6,3DN 250 10" 273 5 - 5 - 6,3 6,3DN 300 12" 323,9 5,6 - 5,6 - 7,1 7,1DN 350 14" 355,6 5,6 - 5,6 - 8 8DN 400 16" 406,4 6,3 - 6,3 - 8,8 8,8DN 450 18" 457 6,3 - 6,3 - 10 10DN 500 20" 508 6,3 - 6,3 - 11 11

* 165,1 for EN 10255

Table T 15.2.2.2 minimum wall thickness for steel pipes (draft)

CEA 4001: expected modifications

4Total revision of Annex L : ESFR4Similar to EN 12845 revision 14Will include latest update especially regarding

limitation for K14 (K200) ESFR heads

4New annex for CMSA4Similar to EN 12845 revision 1

Ambition of CEA 4001: to be pro-active and up to date standard thanks to faster procedure than CEN

Contact

Karim KARZAZITechnical Board ManagerAXA MATRIX Risk Consultants2-4, rue Jules Lefebvre - 75009 Paris – France(+33) 6 78 88 24 69 karim.karzazi@axa-matrixrc.com

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