1 / 20

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

yuma
Télécharger la présentation

Risk Consulting

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  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

More Related