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Risk Consulting

Risk Consulting. REVISION TO EN 12 845 and CEA 4001. EFSN – MAY 2014. REVISION TO EN 12 845 and CEA 4001. 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

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Risk Consulting

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  1. Risk Consulting REVISION TO EN 12 845 and CEA 4001 EFSN – MAY 2014

  2. REVISION TO EN 12 845 and CEA 4001 • Do you think our sprinkler standards are so complicated?

  3. 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

  4. Current status of EN 12 845 – revision 1 • Current version : • June 2009 Includes amendments A1 and A2 • Revision 1 of EN 12 845 • Includes ESFR, CMSA, excessive clearance, test line, electrical cables, K factor >115, third party inspection, new annex F…) • prEN 12845 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. Future revision 2 of EN 12 845 • 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 • NewHHS 5to 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. Future revision 2 of EN 12 845 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. CEA 4001- 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. 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. 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 15.2.2.2 minimum wall thickness for steel pipes (draft)

  19. CEA 4001: expected modifications • Total revision of Annex L : ESFR • Similar to EN 12845 revision 1 • Will include latest update especially regarding limitation for K14 (K200) ESFR heads • New annex for CMSA • Similar to EN 12845 revision 1 • Ambition of CEA 4001: to be pro-active and up to date standard thanks to faster procedure than CEN

  20. Contact Thankyou  Karim KARZAZI Technical Board Manager AXA MATRIX Risk Consultants 2-4, rue Jules Lefebvre - 75009 Paris – France (+33) 6 78 88 24 69 karim.karzazi@axa-matrixrc.com

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