FSH/18/2 12 September 2008 Technical Sub-Committee ... - Bafsa

UNIQUE ACCEPTANCE PROCEDUREPROCÉDURE D'ACCEPTATION UNIQUEEINSTUFIGES ANNAHMEVERFAHRENEUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGDRAFT EUROPEAN STANDARDPROJET DE NORME EUROPÉENNEEUROPÄISCHER NORM-ENTWURFEN 12845:2004/prA1Originator - Auteur du projet - Urheber: CEN/TC 191 Secretariat - Secrétariat - Sekretariat : BSIWork item - Projet - Projekt : 00191183Title :Titre :Titel :Fixed firefighting systems - Automatic sprinkler systems - Design, installation and maintenanceInstallations fixes de lutte contre l'incendie - Systèmes d'extinction automatiques du type sprinkleur - Calcul, installation etmaintenanceOrtsfeste Brandbekämpfungsanlagen - Automatische Sprinkleranlagen - Planung, Installation und InstandhaltungDeadline for replies - Date limite de vote - Termin : 2008-01-21Proposed dates - Dates proposées - Vorgeschlagene Daten :• date of latest announcement - date limite d’annonce - letztes Datum der Ankündigung• date of latest publication - date limite de publication - letztes Datum der Veröffentlichung• date of withdrawal - date limite de retrait - letztes Datum der Zurückziehung(DOA) : DAV + 3 months - mois - Monate(DOP) : DAV + 6 months - mois - Monate(DOW) : DAV + 6 months - mois - MonateReply by - Réponse de - Antwort von : ..........(CEN Member - Membre CEN - CEN Mitglied)AGREE with the proposed implementation dates :ACCORD avec les dates de mise en application proposées :ANNAHME der vorgeschlagenen Übernahmedaten :YESNOACCEPTS the document as a European Standard :ACCEPTE le document comme Norme européenne :ANNAHME des Dokumentes als Europäische Norm :DOES NOT ACCEPT the document as a European Standard for the reason given below or in annex :N’ACCEPTE PAS le document en tant que Norme européenne pour les raisons mentionnées ci-dessous ou ci-joint :ABLEHNUNG des Dokumentes als Europäische Norm aus den u. g. Gründen oder als Anhang :ABSTAINS from voting for the reasons given below or in annex :S’ABSTIENT de voter pour les raisons mentionnées ci-dessous ou ci-joint :STIMMENENTHALTUNG aus den u. g. Gründen oder als Anhang :Reasons for negative vote or for abstention - Justification d’un vote négatif ou d’une abstention - Gründe für Ablehnungoder für Stimmenenthaltung :..........Place and date - Lieu et date - Ort und DatumName and signature - Nom et signature - Name und Unterschrift.......... ..........Please reply using the electronic voting system in accordance with resolution CA 4/1996.Prière de répondre via le système de vote éléctronique en accord avec la résolution CA 4/1996.Mit der Bitte um Rückantwort über das elektronische Abstimmungssystem gemäß der Resolution CA 4/1996.Officer 02/JE

EN 12845:2004/prA1:2008 (E)ForewordThis document (EN 12845:2004/prA1:2008) has been prepared by Technical Committee CEN/TC 191 “Fixedfirefighting systems”, the secretariat of which is held by BSI.This document is currently submitted to the Unique Acceptance Procedure.3

EN 12845:2004/prA1:2008 (E)1 Modification to the ForewordDelete the 4 th and 5 th paragraphs:“This document has been prepared under a mandate given to CEN by the European Commission and theEuropean Free Trade Association, and supports essential requirements of EU Directive(s).For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this document.”.Delete the 9 th indent "- water spray systems (EN ……….1).".2 Modification to the IntroductionAdd at the end of the last sentence of the second from last paragraph "(see Annex M)" to read:"Similarly, competent technicians should be used in the installation and testing of the equipment (seeAnnex M).".3 Modification to Clause 1, ScopeDelete the second from last paragraph: “This standard also covers sprinkler kits where a kit comprises all thecomponents necessary to complete the installed sprinkler system.”.Add the following paragraph at the end:"Sprinkler system design deviations may be allowed when such deviations have been shown to provide alevel of protection at least equivalent to this European Standard, for example by means of full scale fire testingwhere appropriate, and where the design criteria have been fully documented.".4 Modification to Clause 2, Terms and definitionsReplace "EN 1254" with "EN 1254 (all parts)".In the 3 rd element of the title of prEN 12259-12, replace "Pumps" with "Sprinkler pumps".Replace "EN 50342, Lead-acid starter batteries — General requirements, methods of test and numbering"with "EN 50342-1, Lead-acid starter batteries — Part 1: General requirements and methods of test" and"EN 50342-2, Lead-acid starter batteries — Part 2: Dimensions of batteries and marking of terminals" andreplace "EN 50342" with "EN 50342-1 and EN 50342-2" throughout the text.In the 3 rd element of the title of EN 60947-1, replace "(IEC 60947-1:1999, modified)" with "(IEC 60947-1:2007)".Replace "ISO 3046 (All parts), Reciprocating internal combustion engines" with "ISO 3046 (all parts),Reciprocating internal combustion engines — Performance".4

EN 12845:2004/prA1:2008 (E)5 Modification to Clause 3, Terms and definitionsReplace term 3.40 with the following:"life safety system".Delete term and definition 3.71 “sprinkler kit” and renumber the following terms and definitions.6 Modification to 6.3.2, Storage ConfigurationIn Table 2, replace the text "Single row with 2,4 m aisles" in the second column, third row with the following:"Aisles between rows shall be not less than 2,4 m wide.".7 Modification to 7.2.3.4In Table 5, replace "3,5" in the third column, second and third rows twice with "3,4".8 Modification to Clause 9, Type of water supplyIn 9.2.1, replace NOTE 2 with the following:"NOTE 2It can be necessary to take into account extra flow required for fire brigade purposes.".In 9.3.2.2, Table 9, amend the second column by replacing " a " to read:"(see NOTE)".In Table 9, at the bottom of the Table replace " a " to read:"NOTE".In 9.3.4, replace the title of Table 11 to with the following:"Table 11 — Minimum effective capacity of reduced capacity tanks".and repalce the heading in the second column of Table 11 to with the following:"Minimum effective capacity".In the 4 th line of 9.3.5 replace "diameter" with "nominal diameter" to read:"d is the nominal diameter of the suction pipe.".In the 1 st sentence of 9.4.4, replace "150 mm" with "150 mm 2 ".In the last sentence of 9.5.4.2, replace "P 2 " with "p 2 ".Replace the title of 9.6.2 with the following:5

EN 12845:2004/prA1:2008 (E)"Superior single water supplies".9 Modification to 10.6.2.1, GeneralDelete "(see 10.4)" from the last line of the second paragraph.10 Modification 12.4.6, Beams and joistsReplace the title with the following:"Beams and similar obstructions".Delete the word "joist" from the Key to Figure 9 (two times).Replace the 1 st sentence of 12.4.6 with the following:"When the deflector (at D in Figure 9) is positioned above the level of the underside of beams or similarobstructions, one of the following solutions shall be adopted in order to ensure that effective discharge of thesprinklers is not impaired:".6

EN 12845:2004/prA1:2008 (E)Replace Figure 10 and its key with the following: "Y0,70,60,510,40,30,20,10,0-0,12453-0,20,20,4 0,6 0,8 1 1,2 1,4 1,6 1,8XKey1 spray pendant2 conventional upright3 spray upright4 flat spray5 conventional pendantX minimum horizontal distance (a) from beam to sprinkler, in mY height of deflector (b) above (+) or below (-) beam, in m".11 Modification to Clause 13, Pipe sizing and layoutDelete the word "equilibrium" from the 1 st sentence of 13.2.3.Replace "the total" with "with the total" in the last line of 13.2.3 to read:"for the stabilized flow condition at the demand point with the total number of sprinklers assumed to be insimultaneous operation.".7

EN 12845:2004/prA1:2008 (E)Replace Table 23, "Equivalent length of fittings and valves" with the following:"Fittings and valvesEquivalent length of steel straight pipe for a C value of 120 a(m)Nominal diameter (mm)20 25 32 40 50 65 80 100 150 200 25090º screwed elbow (standard)0,760,771,01,21,51,92,43,04,35,77,490º welded elbow(r/d = 1,5)45º screwed elbow (standard)0,300,340,360,400,490,550,560,660,690,760,881,01,11,31,41,62,02,32,63,13,43,9Standard screwed tee or cross(flow through branch)1,31,52,12,42,93,84,86,18,611,014,0Gate valve - straight way----0,380,510,630,811,11,52,0Alarm or non-return valve(swinging type)----2,43,23,95,17,29,412,0Alarm or non-return valve(mushroom type)----12,019,019,725,035,047,062,0Butterfly valve----2,22,93,64,66,48,69,9Globe valve----16,021,026,034,048,064,084,0aThese equivalent lengths may be converted as necessary for pipes with other C values by multiplying by thefollowing factors:C value 100 110 120 130 140Factor 0,714 0,85 1,00 1,16 1,33".8

EN 12845:2004/prA1:2008 (E)Replace Figure 16 with the following: "1 23 4".In the key of Figure 17, replace "1 Control valve set" with the following:"A control valve set".Replace the key of Figure 18 with the following: "Key1, 2, 3, 5, 6 and 7 design points4 control valve set".9

EN 12845:2004/prA1:2008 (E)Replace Figure 23 with the following: "21 2".Add the following key after Figure 23: "Key1 most unfavourable area2 four sprinkler under consideration".10

EN 12845:2004/prA1:2008 (E)Replace Figure 24 with the following: "1 2".Add the following key after Figure 24: "Key1 most favourable area2 four sprinkler under consideration".11

EN 12845:2004/prA1:2008 (E)Replace Figure 25 with the following: "51142 3".Replace the key of Figure 25 with the following:Key1 four sprinklers under consideration2 most favourable area3 riser4 elevation5 most unfavourable area".Add a new list item as 4 th item to 13.4.4 as follows: "⎯ 1,00 bar for K 115 in-rack sprinklers;".12 Deletion of Clause 21, Evaluation of conformityDelete the entire clause.12

EN 12845:2004/prA1:2008 (E)13 Addition of Annex M, Independent certification bodyAdd the following new Annex M: "Annex M(informative)Independent certification bodyIt is usual in European countries, for companies given the responsibility to design, install and maintainsprinkler systems in accordance with this current European Standard, to be certified in this field by anindependent certification body.".14 Deletion of Annex ZA, Clauses of this European Standard addressing theprovisions of the EU Construction Products Directive.Delete the entire Annex ZA.13