1. Risk Consulting
REVISION TO EN and CEA 4001
EFSN – MAY 2014

2. REVISION TO EN and CEA 4001
Do you think our sprinkler standards are so complicated?

3. REVISION TO EN and CEA 4001
1: Current status of EN – revision 1
2: revision 2 of EN 12845
3: CEA new edition 2013
4: CEA 4001 expected modifications

4. Current status of EN 12 845 – revision 1
Current version :
June 2009 Includes amendments A1 and A2
Revision 1 of EN
Includes ESFR, CMSA, excessive clearance, test line, electrical cables, K factor >115, third party inspection, new annex F…)
prEN rev 1 had a UAP draft dispatched to CCMC on 2013/12/18 (stage 30.99),
the next stage will be the submission to UAP (formal vote yes/no) by 2014/05/22  

5. New structure of document : 27 chapters distributed in 6 sections
Future revision 2 of EN
New structure of document : 27 chapters distributed in 6 sections
SECTION 1: SCOPE, REFERENCES and DEFINITIONS
SECTION 2 : HAZARD EVALUATION
SECTION 3 : DESIGN CRITERIA
SECTION 4 : Installation
SECTION 5 : water supply
SECTION 6 : commissioning and control programme
Annexes
Draft expected S2-2014

6. Future revision 2 of EN 12 845 : KEY POINTS
SECTION 1: SCOPE, REFERENCES and DEFINITIONS
Introduction enabling new technologies not included
Scope more precise to avoid conflict especially with residential sprinkler standard
More comprehensive set of definitions
Will include contract, planning and documentation

7. Future revision 2 of EN 12 845 : KEY POINTS
SECTION 2 : HAZARD EVALUATION
New HHS 5 to take into account plastic goods
Classification will differentiate: manufacturing / non-manufacturing.
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)

8. Future revision 2 of EN 12 845 : KEY POINTS
SECTION 3 : DESIGN CRITERIA
Design density and area of operation linked to hazard class + ceiling height
Design section for storage will include existing and new protection tables + new HHS 5 classification.
Will cover the former special risk annex G (flammable liq, hanging garments, aerosols...)
Storage configuration STC1 to STC6 will remain similar as today
ESFR and CMSA will be as separate chapters

9. Future revision 2 of EN 12 845 : KEY POINTS
SECTION 4 : Installation
No big modification but many improvements and precisions of existing text :
dry system,
more details about specific areas like stairways, concealed spaces..
location from beams,
Sprinkler above suspended ceiling. 9 m² for hollow spaces > 0.3 m and < 0.5 m…,
Clarification about location of in-rack sprinkler
Special rack configuration included
Corrosion issues
Electrical issues: more details provided especially regarding alarms

10. Future revision 2 of EN 12 845 : KEY POINTS
SECTION 5 : water supply
Connection for other service : hydrants 90m3/h in OH and 120 m3/h in HH.
Detailed requirements for pump room and alarm valve room
Velocity in the suction pipe increased to 2,5 m/s for suction lift condition and 4m/s for positive head : cost effective modification
Specific requirements for diesel equipped with Electronic Fuel Management Control (ECM)

11. Future revision 2 of EN 12 845 : KEY POINTS
Section 5 : water supply
Volume of tank no longer based on Qmax: reduction of tank volume; based on unfavourable area.

12. Future revision 2 of EN 12 845 : KEY POINTS
SECTION 6 : commissioning and control programme
Contract , planning and documentation: simplification with suppression of preliminary design stage
Flushing of pipework
Detail procedure for commissioning and first inspection to be be witnessed by the authorities or a third party inspection body accepted by the authorities
Model of maintenance report provided : complete list of all maintenance operation for each component
Model of commissioning and inspection report provided

13. Future revision 2 of EN 12 845 : KEY POINTS
SECTION 6 : commissioning and control programme
Detailed user’s control programme

14. Number of annexes reduced
Future revision 2 of EN
Annexes
All references to pre-calculated system suppressed from main body of the text
Specific annex (stand alone) covers all the requirements for pre-calculated system (FH1 and FH2)
Number of annexes reduced
Comprehensive annex for new technologies detailing process to accept them

15. Future revision 2 of EN 12 845 : conclusion
Even if many modifications are expected:
Standard should be simple to understand and to apply: more flow charts and graphics
Installation should not be more expensive than today (even less: e.g. tank volume…)
A large range of technology (K factor, type of sprinklers…) should be possible

16. Includes all the proposals drafted since 2009:
CEA new edition 2013
First published in 1996
Latest edition August 2013
Includes all the proposals drafted since 2009:
New concept for rack protection (multiple row, >3,2m wide…)
Protection of rubber tyres
Update classification of goods involving plastic
Sprinkler in freezers
Suction chambers …

17. Future Update planed for end of 2014-beginning 2015
CEA 4001: expected modifications
Future Update planed for end of 2014-beginning 2015
Main modifications will concern:
Full revision of chapter 15 : pipework
Total revision of Annex L : ESFR
New annex for CMSA

18. Threaded pipes and cut grooved
CEA 4001: expected modifications
revised chapter 15 : pipework
Include requirements for plastic pipe, press fitting pipe system, flexible pipe, stainless steel…
Detailed requirements for pipe thickness and pipe assembly
Table T minimum wall thickness for steel pipes (draft)
Nominal diameter
External Ø
Roll grooved or welded
Threaded pipes and cut grooved
NF EN
NF EN –type L
NF EN –1
EN – type M
EN –1
EN –1
DN 25
1"
33,7
2,6
3,2
DN 32
1"1/4
42,4
DN 40
1"1/2
48,3
DN 50
2"
60,3
3,6
DN 65
2"1/2
76,1
DN 80
3"
88,9
2,9 4
DN 100
4"
114,3
4,5
DN 125
5"
139,7 5
DN 150
6"
168,3*
DN 200
8"
219,1 -
6,3
DN 250
10"
273
DN 300
12"
323,9
5,6
7,1
DN 350
14"
355,6 8
DN 400
16"
406,4
8,8
DN 450
18"
457 10
DN 500
20"
508 11
* 165,1 for EN 10255

19. CEA 4001: expected modifications
Total revision of Annex L : ESFR
Similar to EN revision 1
Will include latest update especially regarding limitation for K14 (K200) ESFR heads
New annex for CMSA
Ambition of CEA 4001: to be pro-active and up to date standard thanks to faster procedure than CEN

20. Thank you Contact Karim KARZAZI Technical Board Manager
AXA MATRIX Risk Consultants
2-4, rue Jules Lefebvre Paris – France
(+33)