SS-EN 12845:2015 PDF - Brandskydd och sprinklersystem

SVENSK STANDARD SS-EN 12845:2015 Fastställd/Approved: 2015-06-14 Publicerad/Published: 2016-03-03 Utgåva/Edition: 3 Språk/Language: svenska/Swedish ICS: 13.220.10; 13.220.20 Brand och räddning – Fasta släcksystem – Automatiska sprinklersystem – Utförande, installation och underhåll Fixed firefight...

SVENSK STANDARD SS-EN 12845:2015 Fastställd/Approved: 2015-06-14 Publicerad/Published: 2016-03-03 Utgåva/Edition: 3 Språk/Language: svenska/Swedish ICS: 13.220.10; 13.220.20 Brand och räddning – Fasta släcksystem – Automatiska sprinklersystem – Utförande, installation och underhåll Fixed firefighting systems – Automatic sprinkler systems – Design, installation and maintenance SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. Standarder får världen att fungera SIS (Swedish Standards Institute) är en fristående ideell förening med medlemmar från både privat och offentlig sektor. Vi är en del av det europeiska och globala nätverk som utarbetar internationella standarder. 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Increase understanding and improve perception With SIS you can undergo either shared or in-house training in the content and application of standards. Thanks to our proximity to international development and ISO you receive the right knowledge at the right time, direct from the source. With our knowledge about the potential of standards, we assist our customers in creating tangible benefit and profitability in their organisations. If you want to know more about SIS, or how standards can streamline your organisation, please visit www.sis.se or contact us on phone +46 (0)8-555 523 00 SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. Europastandarden EN 12845:2015 gäller som svensk standard. Standarden fastställdes 2015-06-14 som SS-EN 12845:2015 och har utgivits i engelsk språkversion. Detta dokument återger EN 12845:2015 i svensk språkversion. De båda språkversionerna gäller parallellt. Denna standard ersätter SS-EN 12845:2004+A2:2009, utgåva 1. SS-EN 12845:2015/AC:2016 är inarbetad i denna svenska språkversion. The European Standard EN 12845:2015 has the status of a Swedish Standard. The standard was 2015-06- 14 approved and published as SS-EN 12845:2015 in English. This document contains a Swedish language version of EN 12845:2015. The two versions are valid in parallel. This standard supersedes the Swedish Standard SS-EN 12845:2004+A2:2009, edition 1. SS-EN 12845:2015/AC:2016 is incorporated in this Swedish language version. © Copyright/Upphovsrätten till denna produkt tillhör SIS, Swedish Standards Institute, Stockholm, Sverige. Använd- ningen av denna produkt regleras av slutanvändarlicensen som återfinns i denna produkt, se standardens sista sidor. © Copyright SIS, Swedish Standards Institute, Stockholm, Sweden. All rights reserved. The use of this product is governed by the end-user licence for this product. You will find the licence in the end of this document. Upplysningar om sakinnehållet i standarden lämnas av SIS, Swedish Standards Institute, telefon 08-555 520 00. Standarder kan beställas hos SIS Förlag AB som även lämnar allmänna upplysningar om svensk och utländsk standard. Information about the content of the standard is available from the Swedish Standards Institute (SIS), telephone +46 8 555 520 00. Standards may be ordered from SIS Förlag AB, who can also provide general information about Swedish and foreign standards. Standarden är framtagen av kommittén för Fasta släckmedel, Sprinkler och Gassläcksystem, SIS/TK 360/AG 3. Har du synpunkter på innehållet i den här standarden, vill du delta i ett kommande revideringsarbete eller vara med och ta fram andra standarder inom området? Gå in på www.sis.se - där hittar du mer information. SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. EUROPASTANDARD EN 12845 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM Juni 2015 ICS 13.220.20 Ersätter EN 12845:2004+A2:2009 Svensk version Brand och räddning – Fasta släcksystem – Automatiska sprinklersystem – Utförande, installation och underhåll Installations fixes de lutte contre Fixed firefighting systems - Ortsfeste l'incendie - Systèmes d'extinction Automatic sprinkler systems - Brandbekämpfungsanlagen - automatique du type sprinkleur - Design, installation and Automatische Sprinkleranlagen - Conception, installation et maintenance Planung, Installation und maintenance Instandhaltung Denna standard är den officiella svenska versionen av EN 12845:2015. För översättningen svarar SIS. Denna Europastandard antogs av CEN den 20 december 2014. CEN-medlemmarna är förpliktade att följa fordringarna i CEN/CENELECs interna bestämmelser som anger på vilka villkor denna Europastandard i oförändrat skick ska ges status som nationell standard. Aktuella förteckningar och bibliografiska referenser rörande sådana nationella standarder kan på begäran erhållas från CENs centralsekretariat eller från någon av CENs medlemmar. Denna Europastandard finns i tre officiella versioner (engelsk, fransk och tysk). En version på något annat språk, översatt under ansvar av en CEN- medlem till sitt eget språk och anmäld till CENs centralsekretariat, har samma status som de officiella versionerna. CENs medlemmar är de nationella standardiseringsorganen i Belgien, Bulgarien, Cypern, Danmark, Estland, Finland, Frankrike, Grekland, Irland, Island, Italien, Kroatien, Lettland, Litauen, Luxemburg, Makedonien, Malta, Nederländerna, Norge, Polen, Portugal, Rumänien, Schweiz, Slovakien, Slovenien, Spanien, Storbritannien, Sverige, Tjeckien, Turkiet, Tyskland, Ungern och Österrike. CEN European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für Normung Management Centre: Avenue Marnix 17, B-1000 BRUSSELS © 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref. Nr. EN 12845:2015 Sv SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SS-EN 12845:2015 (Sv) Innehåll Sida Orientering...................................................................................................................................................... 13 1 Omfattning...................................................................................................................................... 15 2 Normativa hänvisningar................................................................................................................ 15 3 Termer och definitioner................................................................................................................. 16 4 Kontraktsförberedelser och dokumentation............................................................................... 23 4.1 Allmänt.............................................................................................................................................. 23 4.2 Inledande överväganden.................................................................................................................. 23 4.3 Förberedande eller bedömningsskede............................................................................................. 23 4.4 Projekteringsstadiet.......................................................................................................................... 24 4.4.1 Allmänt.............................................................................................................................................. 24 4.4.2 Sammanfattande beskrivning........................................................................................................... 24 4.4.3 Arbetsritningar.................................................................................................................................. 25 4.4.3.1 Allmänt.............................................................................................................................................. 25 4.4.3.2 Schablonberäknat rörsystem............................................................................................................ 25 4.4.3.3 Fullständigt hydrauliskt beräknat rörsystem..................................................................................... 26 4.4.4 Vattenkälla........................................................................................................................................ 28 4.4.4.1 Ritningar över vattenförsörjningen................................................................................................... 28 4.4.4.2 Hydraulisk beräkning........................................................................................................................ 28 4.4.4.3 Allmän vattenledning........................................................................................................................ 28 4.4.4.4 Automatiska tryckstegringspumpar.................................................................................................. 28 4.4.4.5 Bassäng............................................................................................................................................ 29 4.4.4.6 Hydrofor............................................................................................................................................ 29 5 Sprinklersystemets omfattning..................................................................................................... 30 5.1 Byggnader och utrymmen som ska skyddas................................................................................... 30 5.1.1 Allmänt.............................................................................................................................................. 30 5.1.2 Tillåtna undantag inom en byggnad................................................................................................. 30 5.1.3 Nödvändiga undantag...................................................................................................................... 30 5.2 Lagring i det fria................................................................................................................................ 30 5.3 Brandteknisk avskiljning................................................................................................................... 30 5.4 Dolda utrymmen............................................................................................................................... 31 5.5 Höjdskillnad mellan högst respektive lägst placerade sprinkler....................................................... 31 6 Riskklassificering av verksamheter............................................................................................. 31 6.1 Allmänt.............................................................................................................................................. 31 6.2 Verksamhetsklasser......................................................................................................................... 31 6.2.1 Allmänt.............................................................................................................................................. 31 6.2.2 Låg riskklass – LH............................................................................................................................ 31 6.2.3 Normal riskklass – OH...................................................................................................................... 31 6.2.4 Hög riskklass – HH........................................................................................................................... 32 6.2.4.1 Hög produktionsrisk – HHP.............................................................................................................. 32 6.2.4.2 Hög lagringsrisk – HHS.................................................................................................................... 33 6.3 Lagring.............................................................................................................................................. 33 6.3.1 Allmänt.............................................................................................................................................. 33 6.3.2 Lagringssätt...................................................................................................................................... 33 7 Dimensionsbestämmande data.................................................................................................... 36 7.1 LH, OH och HHP.............................................................................................................................. 36 7.2 Hög riskklass lagringsrisk – HHS..................................................................................................... 37 7.2.1 Allmänt.............................................................................................................................................. 37 7.2.2 Enbart taksprinklerinstallation.......................................................................................................... 37 7.2.2.1 Allmänt.............................................................................................................................................. 37 2 SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SS-EN 12845:2015 (Sv) 7.2.2.2 Begränsningar lagringshöjd.............................................................................................................. 37 7.2.2.3 Stora frihöjder.................................................................................................................................... 37 7.2.3 Nivåsprinklerinstallation.................................................................................................................... 38 7.3 Tryck och flödeskrav för schablonberäknade system....................................................................... 40 7.3.1 LH och OH riskklass.......................................................................................................................... 40 7.3.2 Riskklass HHP och HHS, utan nivåsprinklerställage........................................................................ 40 8 Vattenförsörjning............................................................................................................................ 42 8.1 Allmänt.............................................................................................................................................. 42 8.1.1 Varaktighet........................................................................................................................................ 42 8.1.2 Tillgänglighet..................................................................................................................................... 42 8.1.3 Frostskydd......................................................................................................................................... 43 8.2 Högsta tillåtna vattentryck................................................................................................................. 43 8.3 Anslutningar för andra ändamål........................................................................................................ 44 8.4 Utrymme för vattenförsörjningsutrustning......................................................................................... 44 8.5 Utrustning för kapacitetsprovning..................................................................................................... 44 8.5.1 Allmänt.............................................................................................................................................. 44 8.5.2 Vid pumpcentral................................................................................................................................ 45 8.5.3 I sprinklercentraler............................................................................................................................. 45 8.6 Kapacitetsprov.................................................................................................................................. 45 8.6.1 Allmänt.............................................................................................................................................. 45 8.6.2 Torntank och hydrofor....................................................................................................................... 46 8.6.3 Allmän ledning, tryckstegringspump, privat högvattenreservoar samt bassäng.............................. 46 9 Typ av vattentillopp........................................................................................................................ 46 9.1 Allmänt.............................................................................................................................................. 46 9.2 Allmän vattenledning......................................................................................................................... 46 9.3 Magasin (bassäng, tank)................................................................................................................... 46 9.3.1 Allmänt.............................................................................................................................................. 46 9.3.2 Vattenkällans vattenmängd............................................................................................................... 47 9.3.2.1 Allmänt.............................................................................................................................................. 47 9.3.2.2 Schablonberäknade anläggningar.................................................................................................... 47 9.3.2.3 Fullständigt beräknade anläggningar................................................................................................ 48 9.3.3 Återfyllningstid för fullvolymsbassänger............................................................................................ 48 9.3.4 Bassäng med minskad volym........................................................................................................... 48 9.3.5 Effektiv bassängvolym och dimensioneringskrav för pumpgropar................................................... 50 9.3.6 Silar................................................................................................................................................... 51 9.4 Outtömliga vattenkällor – sedimenteringskammare och sugkammare............................................. 51 9.5 Hydrofor............................................................................................................................................ 54 9.5.1 Allmänt.............................................................................................................................................. 54 9.5.2 Placering........................................................................................................................................... 54 9.5.3 Minsta erforderlig volym (vatten)....................................................................................................... 54 9.5.4 Lufttryck och innehåll........................................................................................................................ 54 9.5.4.1 Allmänt.............................................................................................................................................. 54 9.5.4.2 Beräkning.......................................................................................................................................... 54 9.5.5 Påfyllning av vatten och luft.............................................................................................................. 55 9.5.6 Kontroll- och säkerhetsutrustning..................................................................................................... 55 9.6 Val av vattentillopp............................................................................................................................ 55 9.6.1 Enkelt vattentillopp............................................................................................................................ 55 9.6.2 Förbättrat enkelt vattentillopp............................................................................................................ 56 9.6.3 Dubblerade vattentillopp................................................................................................................... 56 9.6.4 Kombinerade vattentillopp................................................................................................................ 56 9.7 Isolering av vattentillopp................................................................................................................... 57 10 Pumpar............................................................................................................................................. 57 10.1 Allmänt.............................................................................................................................................. 57 10.2 Anläggning med flera pumpar........................................................................................................... 57 10.3 Pumpcentral...................................................................................................................................... 58 10.3.1 Allmänt.............................................................................................................................................. 58 10.3.2 Sprinklerskydd................................................................................................................................... 58 10.3.3 Temperaturer.................................................................................................................................... 58 10.3.4 Ventilation......................................................................................................................................... 58 3 SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SS-EN 12845:2015 (Sv) 10.4 Vattenkällans högsta temperatur...................................................................................................... 58 10.5 Ventiler och tillbehör......................................................................................................................... 58 10.6 Sugförhållanden............................................................................................................................... 59 10.6.1 Allmänt.............................................................................................................................................. 59 10.6.2 Sugarledningar................................................................................................................................. 59 10.6.2.1 Allmänt.............................................................................................................................................. 59 10.6.2.2 Självtryck.......................................................................................................................................... 60 10.6.2.3 Sugförhållande................................................................................................................................. 60 10.6.2.4 Pumppåfyllningsanordning............................................................................................................... 60 10.6.2.5 Tryckhållningspump.......................................................................................................................... 60 10.7 Tryck och flödeskrav på pump......................................................................................................... 62 10.7.1 Schablonberäknade system – LH och OH....................................................................................... 62 10.7.2 Schablonberäknade system HHP och HHS utan ställagesprinkler.................................................. 63 10.7.3 Fullständigt hydrauliskt beräknade system...................................................................................... 64 10.7.4 Tryck och flöde hos kommunal matningsledning............................................................................. 65 10.7.5 Pressostater..................................................................................................................................... 65 10.7.5.1 Antal pressostater............................................................................................................................. 65 10.7.5.2 Pumpstart......................................................................................................................................... 65 10.7.5.3 Provning av pressostater.................................................................................................................. 65 10.8 Elektriskt driven pump...................................................................................................................... 65 10.8.1 Allmänt.............................................................................................................................................. 65 10.8.2 Elektrisk anslutning........................................................................................................................... 65 10.8.3 Huvudsäkringsskåp.......................................................................................................................... 66 10.8.4 Ledningsdragning mellan huvudsäkringsskåp och pump................................................................ 67 10.8.5 Startautomatikutrustning.................................................................................................................. 67 10.8.6 Övervakning av pump i drift.............................................................................................................. 67 10.9 Dieseldrivna pumpaggregat............................................................................................................. 67 10.9.1 Allmänt.............................................................................................................................................. 67 10.9.2 Motorer............................................................................................................................................. 68 10.9.3 Kylsystem......................................................................................................................................... 68 10.9.4 Luftfiltrering....................................................................................................................................... 68 10.9.5 Avgassystem.................................................................................................................................... 68 10.9.6 Bränsle, bränsletank och bränsleledningar...................................................................................... 68 10.9.7 Startanordningar............................................................................................................................... 69 10.9.7.1 Allmänt.............................................................................................................................................. 69 10.9.7.2 Automatisk startanordning................................................................................................................ 69 10.9.7.3 Manuellt nödstartsystem.................................................................................................................. 69 10.9.7.4 Provning av manuellt startsystem.................................................................................................... 69 10.9.7.5 Startmotor......................................................................................................................................... 70 10.9.8 Startbatterier..................................................................................................................................... 70 10.9.9 Batteriladdare................................................................................................................................... 70 10.9.10 Placering av batterier och laddare.................................................................................................... 70 10.9.11 Drift och övervakningslarm............................................................................................................... 71 10.9.12 Verktyg och reservdelar................................................................................................................... 71 10.9.13 Motorprovning och provkörning........................................................................................................ 71 10.9.13.1 Leverantörens egenkontroll och dokumentation.............................................................................. 71 10.9.13.2 Slutlig provning efter installation....................................................................................................... 72 11 Installationstyp och storlek........................................................................................................... 72 11.1 Våtrörsystem.................................................................................................................................... 72 11.1.1 Allmänt.............................................................................................................................................. 72 11.1.2 Skydd mot frysning........................................................................................................................... 72 11.1.2.1 Allmänt.............................................................................................................................................. 72 11.1.2.2 Skydd med frysskyddsmedel............................................................................................................ 72 11.1.2.3 Skydd med eluppvärmd kabel.......................................................................................................... 72 11.1.3 Storlek på installationen................................................................................................................... 72 11.2 Torrörsystem.................................................................................................................................... 73 11.2.1 Allmänt.............................................................................................................................................. 73 11.2.2 Storlek på installation....................................................................................................................... 73 11.3 Kombinerade system........................................................................................................................ 73 11.3.1 Allmänt.............................................................................................................................................. 73 4 SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SS-EN 12845:2015 (Sv) 11.3.2 Installationsstorlek............................................................................................................................. 74 11.4 Förutlösningssystem......................................................................................................................... 74 11.4.1 Allmänt.............................................................................................................................................. 74 11.4.1.1 Typer av förutlösningssystem........................................................................................................... 74 11.4.1.2 Typ A förutlösningssystem................................................................................................................ 74 11.4.1.3 Typ B förutlösningssystem................................................................................................................ 74 11.4.1.4 Sprinklerinstallationer med fler än en förutlösningsventil.................................................................. 74 11.4.2 Detekteringssystem........................................................................................................................... 74 11.4.3 Installationens omfattning................................................................................................................. 75 11.5 Torrörsförlängningssystem eller kombinerade förlängningssystem................................................. 75 11.5.1 Allmänt.............................................................................................................................................. 75 11.5.2 Storlek på förlängningssystem.......................................................................................................... 75 11.6 Förlängningssystem med vattenspraysystem................................................................................... 75 12 Sprinklernas placering................................................................................................................... 75 12.1 Allmänt.............................................................................................................................................. 75 12.2 Maxyta per sprinkler.......................................................................................................................... 76 12.3 Minimiavstånd mellan sprinkler......................................................................................................... 77 12.4 Placering av sprinkler i förhållande till byggnadskonstruktion.......................................................... 78 12.4.6 Balkar och liknande hinder................................................................................................................ 79 12.4.7 Balkar och balkfält............................................................................................................................. 80 12.4.8 Fackverksbalkar................................................................................................................................ 82 12.4.9 Pelare................................................................................................................................................ 82 12.4.10 Plattformar, ventilationskanaler och liknande................................................................................... 82 12.4.11 Rulltrappor och trappor..................................................................................................................... 83 12.4.12 Vertikala schakt och kanaler............................................................................................................. 83 12.4.13 Undertak............................................................................................................................................ 83 12.4.14 Rasterundertak.................................................................................................................................. 83 12.5 Nivåsprinkler i HH-risker................................................................................................................... 84 12.5.1 Allmänt.............................................................................................................................................. 84 12.5.2 Maxavstånd i höjdled mellan sprinkler på nivåer.............................................................................. 84 12.5.3 Maxavstånd i sidled mellan nivåsprinkler......................................................................................... 84 12.5.4 Antal sprinklerrader på varje nivå..................................................................................................... 86 12.5.5 Nivåsprinkler för ställage utan täta hyllplan i Hög Lagringsrisk........................................................ 86 12.5.6 Nivåsprinkler för ställage med täta eller ribbade hyllplan (ST5 och ST6) i Hög Lagringsrisk....................................................................................................................................... 87 13 Rördimensionering och rörförläggning........................................................................................ 88 13.1 Allmänt.............................................................................................................................................. 88 13.2 Beräkning av tryckförluster i rörnät................................................................................................... 88 13.2.1 Tryckförluster i rör............................................................................................................................. 88 13.2.2 Statisk tryckskillnad........................................................................................................................... 89 13.2.3 Hastighet........................................................................................................................................... 89 13.2.4 Tryckförluster i rördelar och ventiler.................................................................................................. 89 13.2.5 Beräkningarnas noggrannhet............................................................................................................ 90 13.3 Schablonberäknade system.............................................................................................................. 91 13.3.1 Allmänt.............................................................................................................................................. 91 13.3.2 Placering av sprinklerpunkter............................................................................................................ 91 13.3.3 Låg riskklass – LH............................................................................................................................. 92 13.3.4 Normal riskklass – OH...................................................................................................................... 93 13.3.5 Hög riskklass – HHP och HHS (förutom nivåsprinkler)..................................................................... 95 13.4 Fullständigt hydrauliskt beräknade anläggningar........................................................................... 103 13.4.1 Vattentäthet..................................................................................................................................... 103 13.4.2 Placering av verkningsytan............................................................................................................. 104 13.4.2.1 Hydrauliskt sämsta läge.................................................................................................................. 104 13.4.2.2 Hydrauliskt bästa läge..................................................................................................................... 104 13.4.3 Utformning av verkningsyta............................................................................................................ 104 13.4.3.1 Hydrauliskt sämsta läge.................................................................................................................. 104 13.4.3.2 Hydrauliskt bästa läge..................................................................................................................... 105 13.4.4 Lägsta munstyckstryck i sprinkler................................................................................................... 108 13.4.5 Minsta rördimension........................................................................................................................ 108 5 SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SS-EN 12845:2015 (Sv) 14 Sprinklerdimensionering och användningsområde................................................................. 108 14.1 Allmänt............................................................................................................................................ 108 14.2 Sprinklertyper och placering........................................................................................................... 108 14.2.1 Allmänt............................................................................................................................................ 108 14.2.2 Indragen, infälld och dold spridarplatta.......................................................................................... 109 14.2.3 Väggsprinkler.................................................................................................................................. 109 14.2.4 Flatspray-sprinkler.......................................................................................................................... 109 14.3 Flöde från sprinkler......................................................................................................................... 109 14.4 Sprinklertemperatur........................................................................................................................ 110 14.5 Sprinklerkänslighet......................................................................................................................... 111 14.5.1 Allmänt............................................................................................................................................ 111 14.5.2 Samverkan med andra skyddsåtgärder......................................................................................... 111 14.6 Sprinklerskydd................................................................................................................................ 111 14.7 Stänkskydd för sprinkler................................................................................................................. 111 14.8 Sprinklerbrickor............................................................................................................................... 112 14.9 Rostskydd av sprinkler................................................................................................................... 112 15 Ventiler.......................................................................................................................................... 112 15.1 Larmventiler.................................................................................................................................... 112 15.2 Avstängningsventil.......................................................................................................................... 112 15.3 Ventiler på ringmatade ledningar................................................................................................... 112 15.4 Dräneringsventiler.......................................................................................................................... 112 15.5 Provningsventiler............................................................................................................................ 113 15.5.1 Ventiler för provning av larm och pumpstart.................................................................................. 113 15.5.2 Provventil ute på systemet............................................................................................................. 113 15.6 Spolanslutningar............................................................................................................................. 114 15.7 Manometrar.................................................................................................................................... 114 15.7.1 Allmänt............................................................................................................................................ 114 15.7.2 Anslutning för vattenförsörjning...................................................................................................... 114 15.7.3 Larmventiler.................................................................................................................................... 114 15.7.4 Demontering................................................................................................................................... 115 16 Larm och larmanordningar.......................................................................................................... 115 16.1 Larm vid vattenflöde....................................................................................................................... 115 16.1.1 Allmänt............................................................................................................................................ 115 16.1.2 Vattendriven larmklocka................................................................................................................. 115 16.1.3 Rördragning till vattendrivet larm.................................................................................................... 115 16.2 Elektriska larmgivare för flöde och tryck......................................................................................... 115 16.2.1 Allmänt............................................................................................................................................ 115 16.2.2 Flödesvakter................................................................................................................................... 115 16.2.3 Torrörs- och förutlösningssystem................................................................................................... 116 16.3 Förbindelse med Räddningstjänsten och/eller annan central larmmottagare................................ 116 17 Rörledningar................................................................................................................................. 116 17.1 Allmänt............................................................................................................................................ 116 17.1.1 Rörledningar under mark................................................................................................................ 116 17.1.2 Rörledningar ovan mark................................................................................................................. 116 17.1.3 Svetsning av stålrör........................................................................................................................ 116 17.1.4 Flexibla rör och rördelar................................................................................................................. 117 17.1.5 Dold förläggning............................................................................................................................. 117 17.1.6 Skydd mot brand och mekaniska skador....................................................................................... 117 17.1.7 Målning........................................................................................................................................... 117 17.1.8 Avtappning...................................................................................................................................... 117 17.1.9 Kopparrör........................................................................................................................................ 118 17.2 Rörhållare....................................................................................................................................... 118 17.2.1 Allmänt............................................................................................................................................ 118 17.2.2 Placering och mellanrum................................................................................................................ 118 17.2.3 Dimensionering............................................................................................................................... 119 17.3 Rörledningar i dolda utrymmen...................................................................................................... 119 17.3.1 Allmänt............................................................................................................................................ 119 17.3.2 Undertak över utrymmen i Normal riskklass (OH).......................................................................... 120 17.3.3 Alla andra fall.................................................................................................................................. 120 6 SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SS-EN 12845:2015 (Sv) 18 Skyltar, meddelanden och information....................................................................................... 120 18.1 Orienteringsritning........................................................................................................................... 120 18.2 Skyltar och meddelanden............................................................................................................... 120 18.2.1 Hänvisningsskylt............................................................................................................................. 120 18.2.2 Skyltning av avstängningsventiler................................................................................................... 120 18.2.3 Larmventiler.................................................................................................................................... 121 18.2.3.1 Allmänt............................................................................................................................................ 121 18.2.3.2 Skylt vid larmventil.......................................................................................................................... 121 18.2.4 Vattenkällans anslutning för andra ändamål................................................................................... 121 18.2.5 Pumpar och tryckstegringspumpar................................................................................................. 121 18.2.5.1 Allmänt............................................................................................................................................ 121 18.2.5.2 Fullständigt hydrauliskt beräknade system..................................................................................... 121 18.2.6 Elektriska brytare och larmtablåer.................................................................................................. 122 18.2.6.1 Larm som överförs till räddningstjänsten........................................................................................ 122 18.2.6.2 Pump driven av dieselmotor........................................................................................................... 122 18.2.6.3 Pump driven av elmotor.................................................................................................................. 122 18.2.7 Utrustning för anläggningens drift och provning............................................................................. 122 19 Driftsättning................................................................................................................................... 122 19.1 Driftsättningsprovningar.................................................................................................................. 122 19.1.1 Rörnät............................................................................................................................................. 122 19.1.1.1 Torrörsystem................................................................................................................................... 122 19.1.1.2 Alla rörnät........................................................................................................................................ 122 19.1.2 Komponenter................................................................................................................................... 123 19.1.3 Vattenkällor..................................................................................................................................... 123 19.2 Intyg och dokumentation................................................................................................................. 123 20 Skötsel och underhåll................................................................................................................... 123 20.1 Allmänt............................................................................................................................................ 123 20.1.1 Introduktion..................................................................................................................................... 123 20.1.2 Plan för skötsel och underhåll......................................................................................................... 123 20.1.3 Förebyggande åtgärder vid arbete med systemet.......................................................................... 124 20.1.4 Reservsprinkler............................................................................................................................... 124 20.2 Användarens program för skötsel och provning............................................................................. 124 20.2.1 Allmänt............................................................................................................................................ 124 20.2.2 Veckoprovning................................................................................................................................ 124 20.2.2.1 Allmänt............................................................................................................................................ 124 20.2.2.2 Kontroller......................................................................................................................................... 124 20.2.2.3 Vattenturbinklocka........................................................................................................................... 124 20.2.2.4 Automatisk pumpstart..................................................................................................................... 125 20.2.2.5 Återstart av dieselmotor.................................................................................................................. 125 20.2.2.6 Uppvärmning................................................................................................................................... 125 20.2.3 Månadskontroll................................................................................................................................ 125 20.3 Service och underhåll...................................................................................................................... 125 20.3.1 Allmänt............................................................................................................................................ 125 20.3.1.1 Anvisningar..................................................................................................................................... 125 20.3.1.2 Dokumentation................................................................................................................................ 125 20.3.2 Kvartalsprovning............................................................................................................................. 125 20.3.2.1 Allmänt............................................................................................................................................ 125 20.3.2.2 Kontroll av riskklass........................................................................................................................ 126 20.3.2.3 Sprinkler, kontrollventiler och spraymunstycken............................................................................. 126 20.3.2.4 Rörnät och upphängningar............................................................................................................. 126 20.3.2.5 Vattenkällor och dess övervakning................................................................................................. 126 20.3.2.6 Kraftförsörjning................................................................................................................................ 126 20.3.2.7 Avstängningsventiler....................................................................................................................... 126 20.3.2.8 Flödeslarm...................................................................................................................................... 126 20.3.2.9 Reservdelar..................................................................................................................................... 126 20.3.3 Halvårsprovning.............................................................................................................................. 127 20.3.3.1 Allmänt............................................................................................................................................ 127 20.3.3.2 Torrörsventiler................................................................................................................................. 127 20.3.3.3 Larmöverföring................................................................................................................................ 127 20.3.4 Årlig provning.................................................................................................................................. 127 7 SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SS-EN 12845:2015 (Sv) 20.3.4.1 Allmänt............................................................................................................................................ 127 20.3.4.2 Kapacitetsprov................................................................................................................................ 127 20.3.4.3 Misslyckat startförsök..................................................................................................................... 127 20.3.4.4 Påfyllningsventiler för bassänger................................................................................................... 127 20.3.4.5 Sedimenteringskammare och silar................................................................................................. 128 20.3.5 Treårskontroll.................................................................................................................................. 128 20.3.5.1 Allmänt............................................................................................................................................ 128 20.3.5.2 Hydrofor.......................................................................................................................................... 128 20.3.5.3 Avstängningsventiler, larm- och backventiler................................................................................. 128 20.3.6 Tioårskontroll.................................................................................................................................. 128 21 Tredjeparts besiktning................................................................................................................. 128 Bilaga A (normativ) Klassificering av typiska verksamheter................................................................. 129 Bilaga B (normativ) Metod för klassificering av lagrat material............................................................ 132 B.1 Allmänt............................................................................................................................................ 132 B.2 Materialfaktor (M)........................................................................................................................... 132 B.2.1 Allmänt............................................................................................................................................ 132 B.2.2 Materialfaktor 1............................................................................................................................... 132 B.2.3 Materialfaktor 2............................................................................................................................... 133 B.2.4 Materialfaktor 3............................................................................................................................... 134 B.2.5 Materialfaktor 4............................................................................................................................... 134 B.3 Lagringssätt.................................................................................................................................... 134 B.3.1 Betydelsen av lagringssätt............................................................................................................. 134 B.3.2. Exponerad plastbehållare med obrännbart innehåll....................................................................... 135 B.3.3. Exponerade plastytor – oexpanderade.......................................................................................... 135 B.3.4 Exponerade plastytor – expanderade............................................................................................ 135 B.3.5 Luftig lagring................................................................................................................................... 135 B.3.6 Material i solida block..................................................................................................................... 136 B.3.7 Granulat eller pulver....................................................................................................................... 136 B.3.8 Inget särskilt lagringssätt................................................................................................................ 136 Bilaga C (normativ) Förteckning över lagrade produkter och kategorier i alfabetisk ordning 137 Bilaga D (normativ) Zonindelning av sprinklersystem.............................................................................. 141 D.1 Allmänt............................................................................................................................................ 141 D.2 Zonindelning av system.................................................................................................................. 141 D.3 Krav för zonindelade system.......................................................................................................... 141 D.3.1 Zonernas omfattning....................................................................................................................... 141 D.3.2 Zonavstängningsventiler................................................................................................................ 141 D.3.3 Spolningsventiler............................................................................................................................ 141 D.3.4 Övervakning................................................................................................................................... 142 D.3.5 Zonprovning och avtappningsmöjligheter...................................................................................... 142 D.3.6 Larmventil för sektionen................................................................................................................. 142 D.3.7 Övervakning av system och larm................................................................................................... 142 D.4 Orienteringsritning.......................................................................................................................... 143 Bilaga E (normativ) Särskilda krav för anläggningar i höga hus............................................................. 144 E.1 Allmänt............................................................................................................................................ 144 E.2 Dimensionerande krav................................................................................................................... 144 E.2.1 Riskklass........................................................................................................................................ 144 E.2.2 Indelning av sprinklersystem i höga hus........................................................................................ 144 E.2.3 Arbetstryck för vatten vid backventiler och larmventiler................................................................. 144 E.2.4 Beräkning av fördelningsrör för schablondimensionerade system................................................ 144 E.2.5 Vattentryck...................................................................................................................................... 144 E.3 Vattentillopp.................................................................................................................................... 145 E.3.1 Typ av vattentillopp......................................................................................................................... 145 E.3.2 Tryck och flödeskrav för schablondimensionerade system........................................................... 145 E.3.3 Krav på vattentilloppet för schablondimensionerade system......................................................... 145 E.3.4 Krav på pumpar för schablondimensionerade system................................................................... 145 Bilaga F (normativ) Tilläggsåtgärder för att öka systemets tillförlitlighet och tillgänglighet............... 148 8 SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SS-EN 12845:2015 (Sv) F.1 Allmänt............................................................................................................................................ 148 F.2 Indelning i zoner.............................................................................................................................. 148 F.3 Våtrörsystem................................................................................................................................... 148 F.4 Sprinklertyp och känslighet............................................................................................................. 148 F.5 Larmventiler.................................................................................................................................... 148 F.6 Vattenkällor..................................................................................................................................... 148 F.7 Tilläggskrav för teatrar.................................................................................................................... 148 F.8 Kompletterande försiktighetsåtgärder vid underhåll....................................................................... 149 Bilaga G (normativ) Skydd av särskilda risker........................................................................................... 150 G.1 Allmänt............................................................................................................................................ 150 G.2 Aerosoler......................................................................................................................................... 150 G.3 Kläder (konfektion) i särskilda ställningar i flera nivåer................................................................... 150 G.3.1 Allmänt............................................................................................................................................ 150 G.3.2 Riskklassificering............................................................................................................................. 150 G.3.3 Sprinklerskydd utöver taksprinkler.................................................................................................. 151 G.3.4 Antal sprinkler i verkningsyta.......................................................................................................... 151 G.3.5 Taksprinkler..................................................................................................................................... 151 G.3.6 Automatiskt stopp............................................................................................................................ 151 G.3.7 Systemtyp....................................................................................................................................... 151 G.4 Lagring av brännbara vätskor......................................................................................................... 152 G.5 Tompallar........................................................................................................................................ 153 G.6 Alkoholbaserade drycker i trätunnor............................................................................................... 154 G.7 Syntetiska tyger............................................................................................................................... 154 G.7.1 Fristående lagring........................................................................................................................... 154 G.7.2 Lagring i öppna ställningar.............................................................................................................. 155 G.8 Behållare av polypropen eller polyeten........................................................................................... 155 G.8.1 Allmänt............................................................................................................................................ 155 G.8.2 Klassificering................................................................................................................................... 155 G.8.3 Lagring i pallställ (ST4)................................................................................................................... 155 G.8.4 All annan lagring............................................................................................................................. 155 G.8.5 Skumtillsats..................................................................................................................................... 156 Bilaga H (normativ) Övervakning av sprinklersystem............................................................................... 157 H.1 Allmänt............................................................................................................................................ 157 H.2 Funktioner som ska övervakas....................................................................................................... 157 H.2.1 Allmänt............................................................................................................................................ 157 H.2.2 Avstängningsventiler som kontrollerar vattenflöde till sprinklerhuvuden........................................ 157 H.2.3 Andra avstängningsventiler............................................................................................................. 157 H.2.4 Vätskenivåer................................................................................................................................... 157 H.2.5 Tryck............................................................................................................................................... 157 H.2.6 Elektrisk försörjning......................................................................................................................... 158 H.2.7 Temperatur...................................................................................................................................... 158 Bilaga I (normativ) Överföring av larm........................................................................................................ 159 I.1 Funktioner som ska övervakas....................................................................................................... 159 I.2 Larmnivåer...................................................................................................................................... 160 Bilaga J (informativ) Anvisningar och rutiner när systemet är taget ur normal drift.............................. 161 J.1 Begränsning av konsekvenser........................................................................................................ 161 J.2 Planerad urkoppling........................................................................................................................ 161 J.3 Oplanerad urkoppling...................................................................................................................... 162 J.4 Åtgärder efter sprinkleraktivering.................................................................................................... 162 J.4.1 Allmänt............................................................................................................................................ 162 J.4.2 Anläggningar som skyddar fryslager (cirkulerande luftkylning)...................................................... 162 Bilaga K (informativ) Tjugofemårsinspektion............................................................................................. 163 Bilaga L (informativ) Särskild teknik............................................................................................................ 164 Bilaga M (informativ) Oberoende certifieringsorgan.................................................................................. 165 Bilaga N (normativ) Control Mode Specific Application Sprinklers: CMSA............................................ 166 N.1 Introduktion................................................................................................................................... 166 9 SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SS-EN 12845:2015 (Sv) N.1.1 Allmänt.......................................................................................................................................... 166 N.1.2 Definitioner.................................................................................................................................... 166 N.1.3 Allmänt.......................................................................................................................................... 166 N.1.4 Sprinklertyper och -temperaturer............................................................................................... 166 N.1.5 Vattenbehov.................................................................................................................................. 167 N.2 Sprinklerplacering........................................................................................................................ 167 N.2.1 Sprinklerplacering........................................................................................................................ 167 N.2.2 Storlek på grenrör........................................................................................................................ 167 N.2.3 Minsta fria utrymme under sprinkler.......................................................................................... 167 N.2.4 Högt fritt utrymme under sprinkler............................................................................................. 167 N.2.5 Avstånd mellan sprinkler och tak............................................................................................... 167 N.2.6 Placering av sprinkler vid balk, bjälkar och betongbalkar....................................................... 168 N.2.7 Hinder för vattenspridning.......................................................................................................... 168 N.2.7.1 Allmänt............................................................................................................................................ 168 N.2.7.2 Hinder vid tak.................................................................................................................................. 168 N.2.7.3 Hinder under sprinkler.................................................................................................................... 169 N.2.7.4 Hinder längs med och direkt under grenrör.................................................................................... 172 N.3 Dimensionering............................................................................................................................ 172 Bilaga O (informativ) Exempel på flödesschema med komponentförteckning...................................... 177 Bilaga P (normativ) ESFR-sprinklerskydd.................................................................................................. 178 P.1 Introduktion................................................................................................................................... 178 P.2 Syfte............................................................................................................................................... 178 P.3 Definitioner.................................................................................................................................... 178 P.3.1 Sprinkler, ESFR typ...................................................................................................................... 178 P.3.2 Dämpning (suppression mode).................................................................................................. 178 P.3.3 Godsklassificering....................................................................................................................... 178 P.3.4 Takhöjd.......................................................................................................................................... 179 P.3.5 Flätlagring av gummidäck........................................................................................................... 179 P.3.6 Kategorisering av papper, baserat på vikt................................................................................. 179 P.4 Kontraktsövervägande................................................................................................................ 179 P.5 Allmänt.......................................................................................................................................... 179 P.6 Verksamhet och riskklass........................................................................................................... 180 P.7 Lagring i pallställ, ställningar med hyllplan och staplingsbara pallar.................................... 180 P.7.1 Längsgående och tvärgående luftschakt mellan godsenheter............................................... 180 P.7.2 Ställningar med hyllplan.............................................................................................................. 181 P.7.3 Nivåsprinkler för ställage till ESFR-systems............................................................................. 181 P.7.4 Dimensioneringskrav................................................................................................................... 181 P.8 Byggnadskrav............................................................................................................................... 197 P.8.1 Lutande tak................................................................................................................................... 197 P.8.2 Åtgärder vid tak med tak med för stor lutning.......................................................................... 197 P.8.3 Hållfasthet tak............................................................................................................................... 198 10 SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SS-EN 12845:2015 (Sv) P.8.4 Takljusinsläpp............................................................................................................................... 198 P.8.5 Mekanisk ventilation..................................................................................................................... 198 P.8.6 Gångbanor och transportörer...................................................................................................... 200 P.8.7 Sprinklerskydd under entresol.................................................................................................... 200 P.9 ESFR-sprinkler – dimensionering och placering....................................................................... 200 P.9.1 Installationstyp.............................................................................................................................. 200 P.9.2 Nominell K-faktor för sprinkler.................................................................................................... 200 P.9.3 Sprinklertemperatur, sprinklerkänslighet och färgkod............................................................. 200 P.9.4 Placering av ESFR-sprinkler I förhållande till hinder vid eller nära tak.................................. 201 P.10 Rördimensionering....................................................................................................................... 202 P.10.1 Allmänt........................................................................................................................................... 202 P.10.2 Minsta rördimension..................................................................................................................... 202 P.10.3 Lägsta munstyckstryck ESFR-sprinkler..................................................................................... 202 P.10.4 Antal aktiverade sprinkler............................................................................................................ 202 P.10.5 Utformning av dimensionerande område................................................................................... 203 P.10.6 Sprinkler under hinder................................................................................................................. 203 P.11 Sprinklernas placering................................................................................................................. 203 P.11.1 Täckningsyta per ESFR-sprinkler............................................................................................... 203 P.11.2 Hinder............................................................................................................................................. 203 P.11.3 Sprinklerplacering I förhållande till tak...................................................................................... 204 P.11.4 Riktning på sprinkler I förhållande till golv eller rörsystem..................................................... 204 P.11.5 Frihöjd under sprinkler................................................................................................................. 204 P.11.6 Sprinklerplacering i förhållande till rökjalusier och liknande.................................................. 204 P.11.7 ESFR-sprinklerplacering I förhållande till rökjalusier och liknande........................................ 204 P.11.8 ESFR-sprinkler skydd angränsande till områden skyddade med standard sprinkler......................................................................................................................................... 204 P.12 Vattenkälla..................................................................................................................................... 205 P.12.1 Pump och kraftförsörjning........................................................................................................... 205 P.12.2 Val av pump................................................................................................................................... 205 P.12.3 Varaktighet..................................................................................................................................... 205 Litteraturförteckning.................................................................................................................................... 206 11 SIS enanvändarlicens/SIS single user license: C2M Sprinkler AB, beställd av/ordered by: Stefan Carlsson, Ordernummer/ order number: 20091494, beställningsdatum/order date: 2016-11-18. SS-EN 12845:2015 (Sv) Förord Detta dokument (SS-EN 12845:2015) har utarbetats av den tekniska kommittén CEN/TC 191, Fasta släck- system, med sekretariat från BSI (Storbritannien). Denna Europastandard ska ges status av nationell standard, antingen genom publicering av en identisk text eller genom ikraftsättning, senast december 2015 och motstridande nationell standard ska upphävas senast december 2015. Uppmärksamhet riktas mot möjligheten att vissa delar av detta dokument kan vara föremål för patensrättig- heter. CEN (och/eller CENELEC) ska inte hållas ansvarig för att ha identifierat någon eller alla sådana patenträttigheter. Detta dokument ersätter SS-EN 12845:2004+A2:2009. Dokumentet är inkluderat i en serie av Europastandarder vilka omfattar: — automatiska sprinklersystem (SS-EN 12259); — gassläcksystem (SS-EN 12094); — pulversystem (SS-EN 12416); — explosionsskyddssystem (SS-ISO 6184); — skumsystem (SS-EN 13565); — gassystem (SS-EN 12094); — inomhusbrandposter (SS-EN 671); — system för rök- och brandgaser (SS-EN 12101). Enligt CEN/CENELEC interna bestämmelser ska följande länder fastställa denna Europastandard: Belgien, Bulgarien, Cypern, Danmark, Estland, Finland, Frankrike, Grekland, Irland, Island, Italien, Kroatien, Lettland, Litauen, Luxemburg, Makedonien, Malta, Nederländerna, Norge, Polen, Portugal, Rumänien, Schweiz, Slovakien, Slovenien, Spanien, Storbritannien, Sverige, Tjeckien, Turkiet, Tyskl