{"id":2370,"date":"2025-05-15T20:37:11","date_gmt":"2025-05-15T18:37:11","guid":{"rendered":"https:\/\/malux.com\/?post_type=kunskapsbankinlagg&#038;p=2370"},"modified":"2025-05-27T16:18:37","modified_gmt":"2025-05-27T14:18:37","slug":"klassning-av-riskomraden","status":"publish","type":"kunskapsbankinlagg","link":"https:\/\/www.malux.com\/sv\/kunskapsbankinlagg\/klassning-av-riskomraden\/","title":{"rendered":"Klassning av riskomr\u00e5den"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-44ba255 stk-block-background\" data-block-id=\"44ba255\"><style>.stk-44ba255 {background-color:#ffdc2e !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-44ba255:before{background-color:#ffdc2e !important;}@media screen and (max-width: 767px){.stk-44ba255 {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-44ba255-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-6ccf675\" data-v=\"4\" data-block-id=\"6ccf675\"><style>.stk-6ccf675 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-6ccf675 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-6ccf675-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-6ccf675-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-370915b\" data-block-id=\"370915b\"><style>.stk-370915b {margin-bottom:30px !important;}.stk-370915b-column{--stk-columns-spacing:0px !important;--stk-column-gap:60px !important;}@media screen and (max-width: 767px){.stk-370915b {margin-bottom:0px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-370915b-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-abbd3e7\" data-v=\"4\" data-block-id=\"abbd3e7\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-abbd3e7-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-abbd3e7-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-2d0f0b6\" id=\"klassningsstudier\" data-block-id=\"2d0f0b6\"><h2 class=\"stk-block-heading__text\">Klassningsstudier<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-171e36a\" data-block-id=\"171e36a\"><style>@media screen and (max-width: 1023px){.stk-171e36a {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">Ansvaret f\u00f6r att klassning utf\u00f6rs \u00e5vilar f\u00f6rest\u00e5ndaren eller, om s\u00e5dan \u00e4nnu inte \u00e4r utsedd, den som svarar f\u00f6r verksamheten.<br><br>Klassning ska utf\u00f6ras av tekniker eller grupp av tekniker som \u00e4r v\u00e4l f\u00f6rtrogen med verksamheten och med funktionss\u00e4kerheten hos ifr\u00e5gavarande utrustning och de explosiva varornas egenskaper samt med f\u00f6rm\u00e5ga att allsidigt bed\u00f6ma f\u00f6rekommande explosionsrisker. Klassningsstudier b\u00f6r g\u00f6ras p\u00e5 ett tidigt stadium i planeringen av en anl\u00e4ggning och vid f\u00f6r\u00e4ndringar i verksamheten.<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ed6de63\" data-v=\"4\" data-block-id=\"ed6de63\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ed6de63-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ed6de63-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-1313abe\" data-block-id=\"1313abe\"><style>@media screen and (max-width: 1023px){.stk-1313abe {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">I fr\u00e5ga om laboratorier f\u00e5r f\u00f6rest\u00e5ndaren efter riskbed\u00f6mning besluta om att kombinera eller ers\u00e4tta klassningen med s\u00e4rskilda villkor eller instruktioner.<br><br>Det \u00e4r angel\u00e4get att anl\u00e4ggningar utformas s\u00e5 att riskomr\u00e5dena blir f\u00e5 och f\u00e5r liten utstr\u00e4ckning. Man b\u00f6r dessutom str\u00e4va efter att riskomr\u00e5den huvudsakligen utg\u00f6rs av zon med l\u00e4gsta riskklass (E2 i st\u00e4llet f\u00f6r E1).<br><\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-3340d8d stk-block-background\" data-block-id=\"3340d8d\"><style>.stk-3340d8d {background-color:#f5f5f5 !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-3340d8d:before{background-color:#f5f5f5 !important;}@media screen and (max-width: 767px){.stk-3340d8d {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-3340d8d-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-1d4aa1e\" data-v=\"4\" data-block-id=\"1d4aa1e\"><style>.stk-1d4aa1e {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-1d4aa1e {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-1d4aa1e-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-1d4aa1e-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-6fd47e2\" data-block-id=\"6fd47e2\"><style>.stk-6fd47e2 {margin-bottom:30px !important;}.stk-6fd47e2-column{--stk-columns-spacing:0px !important;--stk-column-gap:60px !important;}@media screen and (max-width: 767px){.stk-6fd47e2 {margin-bottom:0px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-6fd47e2-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-62531db\" data-v=\"4\" data-block-id=\"62531db\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-62531db-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-62531db-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-a26f843\" data-block-id=\"a26f843\"><style>@media screen and (max-width: 1023px){.stk-a26f843 {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">F\u00f6r bed\u00f6mning av olika konstruktionsalternativ med avseende p\u00e5 konsekvenser i fr\u00e5ga om klassning och materiel b\u00f6r under arbetets g\u00e5ng fortl\u00f6pande samr\u00e5d \u00e4ga rum med sakkunniga inom klassningsomr\u00e5det och med tekniker.<br><br>Klassningsplan b\u00f6r utarbetas genom en systematisk analys mot bakgrund av nedan angivna faktorer.<br><br>F\u00f6r att underl\u00e4tta uppr\u00e4ttande av klassningsplan finns vissa typexempel. I de enskilda fallen m\u00e5ste dock alltid de lokala f\u00f6rh\u00e5llandena beaktas.<br><br>Utstr\u00e4ckning av varje riskomr\u00e5de bed\u00f6ms med h\u00e4nsyn till egenskaperna hos hanterat \u00e4mne, hos riskk\u00e4llan och hos omgivningen. Omfattningen av zonerna best\u00e4ms var f\u00f6r sig, beroende p\u00e5 de olika riskk\u00e4llor som f\u00f6religger.<br><br>Utstr\u00e4ckningen av riskomr\u00e5det best\u00e4ms huvudsakligen av f\u00f6ljande faktorer:<br><br>&#8211; verksamhetens art, arbetsoperation<br>&#8211; typ av utrustning<br>&#8211; explosiv\u00e4mnestyp<br>&#8211; aggregationstillst\u00e5nd och partikelstorlek<br>&#8211; explosiv\u00e4mnesm\u00e4ngd<br>&#8211; luftr\u00f6relser, ventilation<br>&#8211; rums- och omgivningsf\u00f6rh\u00e5llanden.<br><br>Utstr\u00e4ckningen av riskomr\u00e5det p\u00e5verkas vanligen enligt f\u00f6ljande:<br><br>&#8211; \u00f6kar med stigande explosiv\u00e4mnesm\u00e4ngd<br>&#8211; \u00f6kar med minskad partikelstorlek<br>&#8211; minskar med f\u00f6rb\u00e4ttrad ventilation<br>&#8211; \u00f6kar eller minskar med lokala f\u00f6rh\u00e5llanden. Ett hinder kan t ex h\u00e4mma ventilationen. En v\u00e4gg kan begr\u00e4nsa spridningen.<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-01778c3\" data-v=\"4\" data-block-id=\"01778c3\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-01778c3-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-01778c3-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-e7565aa\" data-block-id=\"e7565aa\"><style>@media screen and (max-width: 1023px){.stk-e7565aa {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">Vid klassningen ska h\u00e4nsyn tas till behov av s\u00e5dana drift\u00e5tg\u00e4rder som medf\u00f6r att slutna system \u00f6ppnas f\u00f6r t ex filterbyte, underh\u00e5llsarbete, t\u00f6mning eller reng\u00f6ring.\n\nVid klassning av riskomr\u00e5de b\u00f6r framtida f\u00f6r\u00e4ndringar beaktas som kan inneb\u00e4ra att riskomr\u00e5det f\u00e5r en str\u00e4ngare klassning.\n\nOm tillverkningsutrustningen \u00e4r s\u00e5 utf\u00f6rd att explosiv\u00e4mnet kan frig\u00f6ras, vilket \u00e4r fallet f\u00f6r de flesta mekaniska installationer (apparater), \u00e4r det n\u00f6dv\u00e4ndigt att best\u00e4mma typ av riskk\u00e4lla. Riskk\u00e4llan kan vara prim\u00e4r eller sekund\u00e4r. Detta best\u00e4ms utifr\u00e5n definitionen i artikeln Riskk\u00e4llor och riskomr\u00e5den.\n\nSom exempel p\u00e5 prim\u00e4r riskk\u00e4lla kan anges all \u00f6ppen hantering av explosiv\u00e4mne d\u00e4r damm, v\u00e4tska eller \u00e5nga kan avges i beaktansv\u00e4rd omfattning till omgivningen och d\u00e4rvid f\u00f6rorsaka skador, om \u00e4mnet ant\u00e4nds. En prim\u00e4r riskk\u00e4lla f\u00f6rorsakar som regel ett zon E1-omr\u00e5de.\n\nExempel p\u00e5 sekund\u00e4r riskk\u00e4lla \u00e4r st\u00e4llen d\u00e4r explosiv\u00e4mne under normal drift inte sprids till omgivningen men d\u00e4r p\u00e5 grund av driftst\u00f6rningar e d, som inte beh\u00f6ver vara av haveri- eller katastrofkarakt\u00e4r, utsl\u00e4pp kan ske. S\u00e5dan st\u00e4llen kan vara fl\u00e4nsf\u00f6rband, mekaniska packningar, icke t\u00e4ttslutande lock e d.\n\nSedan riskk\u00e4llan best\u00e4mts, \u00e4r det n\u00f6dv\u00e4ndigt att best\u00e4mma utsl\u00e4ppets storlek samt beakta andra faktorer som kan p\u00e5verka zonerna och deras utstr\u00e4ckning.<\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-dd5303e stk-block-background\" data-block-id=\"dd5303e\"><style>.stk-dd5303e {background-color:#f5f5f5 !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-dd5303e:before{background-color:#f5f5f5 !important;}@media screen and (max-width: 767px){.stk-dd5303e {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-dd5303e-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-fb095a1\" data-v=\"4\" data-block-id=\"fb095a1\"><style>.stk-fb095a1 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-fb095a1 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-fb095a1-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-fb095a1-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-b55157f\" data-block-id=\"b55157f\"><style>.stk-b55157f {margin-bottom:30px !important;}.stk-b55157f-column{--stk-columns-spacing:0px !important;--stk-column-gap:60px !important;}@media screen and (max-width: 767px){.stk-b55157f {margin-bottom:0px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-b55157f-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-daf32bb\" data-v=\"4\" data-block-id=\"daf32bb\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-daf32bb-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-daf32bb-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-342a657\" id=\"atgarder-i-riskomrade\" data-block-id=\"342a657\"><h3 class=\"stk-block-heading__text\">\u00c5tg\u00e4rder i riskomr\u00e5de<\/h3><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-994ff68\" data-block-id=\"994ff68\"><style>@media screen and (max-width: 1023px){.stk-994ff68 {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">Vid \u00e4ndringar i hanteringen m\u00e5ste klassningsplan kontrolleras och eventuellt revideras med h\u00e4nsyn till utf\u00f6rda \u00e4ndringar. \u00c4ven f\u00f6r\u00e4ndringar i arbetsrutiner m m kan p\u00e5verka klassningen.\n\nVid hantering av explosiva varor kan spill, damm m m uppst\u00e5. St\u00e4drutiner ska finnas. Genom att samla upp spill, damm m m i l\u00e4mpligt k\u00e4rl minimeras riskomr\u00e5det.\n\nDamm ska om m\u00f6jligt samlas upp d\u00e4r det bildas, t ex vid mekanisk bearbetning, och bortskaffas med t ex punktutsug till avskiljare.\n\nUtrustning ska inte i on\u00f6dan uts\u00e4ttas f\u00f6r bel\u00e4ggning av damm, sublimat e d fr\u00e5n explosiv\u00e4mne.\n\nEndast f\u00f6r verksamheten n\u00f6dv\u00e4ndig utrustning ska installeras inom ett riskomr\u00e5de.\n\nRedan vid projektering av nya anl\u00e4ggningar ska ovann\u00e4mnda \u00e5tg\u00e4rder beaktas.<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-c9b1d64\" data-v=\"4\" data-block-id=\"c9b1d64\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-c9b1d64-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-c9b1d64-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-7ee28c7\" id=\"klassningsplan\" data-block-id=\"7ee28c7\"><h3 class=\"stk-block-heading__text\">Klassningsplan<\/h3><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-260632f\" data-block-id=\"260632f\"><style>@media screen and (max-width: 1023px){.stk-260632f {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">Klassning ska dokumenteras i en klassningsplan. Av klassningsplan ska framg\u00e5:<br><br>&#8211; riskomr\u00e5dets indelning i zoner och deras utstr\u00e4ckning s\u00e5v\u00e4l horiontalt som vertikalt<br>&#8211; f\u00f6r zon E1 temperaturklass. Om denna \u00e4r ET 2 ska \u00e4ven ant\u00e4ndningstemperatur anges.<br><br>Klassningsplan kan utformas p\u00e5 flera s\u00e4tt, t ex i tabellform eller som ritning i likhet med typexempel i avsnitt 6. Dessa exempel har med avsikt utformats olika f\u00f6r att visa olika m\u00f6jligheter. Utm\u00e4rkningen av zoner ska vara klar och entydig.<br><br>Ett s\u00e4tt att m\u00e4rka ut zoner p\u00e5 en ritning \u00e4r att i h\u00f6rnen (av rum eller zonbegr\u00e4nsningslinjer) s\u00e4tta rutor som anger E1, E2 eller E3, se t ex figur 1.<br><br>Underlag som anv\u00e4nts f\u00f6r best\u00e4mning av respektive zon och dess utbredning, t ex hanterad m\u00e4ngd och typ av explosiv vara, ventilationssystemets utformning och ventilationsfl\u00f6de, dokumenteras och sparas.<\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-ae3776a stk-block-background\" data-block-id=\"ae3776a\"><style>.stk-ae3776a {background-color:#f5f5f5 !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-ae3776a:before{background-color:#f5f5f5 !important;}@media screen and (max-width: 767px){.stk-ae3776a {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-ae3776a-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-dd9beb2\" data-v=\"4\" data-block-id=\"dd9beb2\"><style>.stk-dd9beb2 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-dd9beb2 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-dd9beb2-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-dd9beb2-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-2d51515\" data-block-id=\"2d51515\"><style>.stk-2d51515 {margin-bottom:30px !important;}.stk-2d51515-column{--stk-columns-spacing:0px !important;--stk-column-gap:60px !important;}@media screen and (max-width: 767px){.stk-2d51515 {margin-bottom:0px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-2d51515-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-2fafc88\" data-v=\"4\" data-block-id=\"2fafc88\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-2fafc88-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-2fafc88-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-6aa396a\" data-block-id=\"6aa396a\"><style>@media screen and (max-width: 1023px){.stk-6aa396a {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\"><br><br>SEK Svensk Elstandard<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-3370513\" data-v=\"4\" data-block-id=\"3370513\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-3370513-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-3370513-inner-blocks\"><\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>SEK Svensk Elstandard<\/p>\n","protected":false},"featured_media":2371,"template":"","meta":{"_acf_changed":false},"kunskapsbankskategori":[10],"class_list":["post-2370","kunskapsbankinlagg","type-kunskapsbankinlagg","status-publish","has-post-thumbnail","hentry","kunskapsbankskategori-industri"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - 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