{"id":9008,"date":"2026-02-25T01:25:34","date_gmt":"2026-02-25T00:25:34","guid":{"rendered":"https:\/\/www.c2dprevention.com\/?p=9008"},"modified":"2026-02-25T01:52:18","modified_gmt":"2026-02-25T00:52:18","slug":"why-is-it-necessary-to-discuss-degraded-mode-before-starting-a-task","status":"publish","type":"post","link":"https:\/\/www.c2dprevention.com\/en\/blog-en\/why-is-it-necessary-to-discuss-degraded-mode-before-starting-a-task\/","title":{"rendered":"Why is it necessary to discuss degraded mode before starting a task ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"9008\" class=\"elementor elementor-9008 elementor-9006\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fc5133e e-flex e-con-boxed e-con e-parent\" data-id=\"fc5133e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ccb5af3 elementor-widget elementor-widget-heading\" data-id=\"ccb5af3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Degraded mode in workplace safety: why address it before a task ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0608be6 elementor-widget elementor-widget-text-editor\" data-id=\"0608be6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-weight: 400;\">It is essential to address degraded mode before starting a task in order to identify the real risks and implement appropriate preventive measures. This helps prevent workplace accidents by aligning the team around an accurate risk analysis.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-129ff74 elementor-widget elementor-widget-heading\" data-id=\"129ff74\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is a degraded mode in safety ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c5458f elementor-widget elementor-widget-text-editor\" data-id=\"7c5458f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-weight: 400;\">A degraded mode refers to a situation in which one or more safety barriers, whether technical, human, or organizational, lose effectiveness, thereby increasing the actual level of risk. In high risk industries, this often occurs during maintenance, shutdowns, or machine interventions, where improvisation can lead to dangerous workarounds. INRS (ED 134) emphasizes that safety is better managed during nominal production than during degraded modes, which are classic blind spots.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc42f56 elementor-widget elementor-widget-heading\" data-id=\"dc42f56\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What are the risks of a degraded mode ?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19ad771 elementor-widget elementor-widget-text-editor\" data-id=\"19ad771\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-weight: 400;\">Modern risk management approaches, such as the Swiss Cheese model, compare safety barriers to slices of cheese with holes: an accident occurs when the holes align. In degraded mode, these holes widen, making detection and compensation before the activity essential, through tools such as bow tie analysis or root cause analysis. Addressing this before the task helps align the team with the real level of risk and prevents a distorted perception of danger.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-daf6dd4 elementor-widget elementor-widget-image\" data-id=\"daf6dd4\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.c2dprevention.com\/wp-content\/uploads\/2026\/02\/factory-engineers-protective-equipment-standing-production-hall-sharing-ideas-1620x1080.jpeg\" class=\"attachment-large size-large wp-image-9025\" alt=\"Technicians analyzing an industrial installation during maintenance in a degraded mode situation\" srcset=\"https:\/\/www.c2dprevention.com\/wp-content\/uploads\/2026\/02\/factory-engineers-protective-equipment-standing-production-hall-sharing-ideas-1620x1080.jpeg 1620w, https:\/\/www.c2dprevention.com\/wp-content\/uploads\/2026\/02\/factory-engineers-protective-equipment-standing-production-hall-sharing-ideas-1080x720.jpeg 1080w, https:\/\/www.c2dprevention.com\/wp-content\/uploads\/2026\/02\/factory-engineers-protective-equipment-standing-production-hall-sharing-ideas.jpeg 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53b3f85 elementor-widget elementor-widget-heading\" data-id=\"53b3f85\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why discuss it before starting a task ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0dc8a47 elementor-widget elementor-widget-text-editor\" data-id=\"0dc8a47\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-weight: 400;\">INRS recommends a specific risk assessment for interventions carried out in degraded mode, where protections are partially neutralized, increasing the likelihood of accidents outside normal production. The ARIA accident reports confirm that a degraded situation is often a \u201cfirst step\u201d toward an accident if it is not requalified, as seen in cases of tank overflows or normalized alarm bypasses. In a safety training session or safety day, integrating this discussion frames necessary adaptations and helps prevent workplace accidents.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b8ddd1 elementor-widget elementor-widget-heading\" data-id=\"2b8ddd1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Degraded mode and risk management models<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71fbbe4 elementor-widget elementor-widget-text-editor\" data-id=\"71fbbe4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-weight: 400;\">The literature on High Reliability Organizations and resilience considers deviations as critical signals that must be collectively acknowledged. The normalization of deviance, theorized by Diane Vaughan, makes risky practices appear \u201cacceptable\u201d through habit, until the fatal alignment of weaknesses occurs. Discussing degraded mode before the task breaks this routine, strengthens shared vigilance, and reinforces the company\u2019s safety culture.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b80ac4 elementor-widget elementor-widget-heading\" data-id=\"6b80ac4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How can degraded mode be integrated into your HSE practices ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9764ce0 elementor-widget elementor-widget-text-editor\" data-id=\"9764ce0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-weight: 400;\">Addressing degraded mode upstream makes it possible to identify failing barriers, define compensatory measures and stop thresholds, avoid improvisation, and reclassify deviations as major risks within formal frameworks such as the risk assessment document and prevention plans. This integrates seamlessly into HSE or QHSE training, as well as behavioral safety visits such as BBS or VCS, supporting quality of work life and psychosocial risk prevention.<\/p><p style=\"font-weight: 400;\">Briefing sentence:<br \/>\u201cBefore starting the task, let\u2019s align on the real level of risk: which barriers are degraded? What compensations are in place? At what threshold do we stop? Without discussion, we remain in \u2018nominal\u2019 mode on a weakened system.\u201d<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9f1088 elementor-widget elementor-widget-heading\" data-id=\"e9f1088\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e8bef6 elementor-widget elementor-widget-text-editor\" data-id=\"0e8bef6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-weight: 400;\">Adopt the <a href=\"https:\/\/www.c2dprevention.com\/en\/workshops\/reflechir-avant-dagir\/\">THINK BEFORE ACTING LMRA<\/a> workshop to train your teams to anticipate degraded modes through rigorous risk analysis, ideal for safety days or workplace safety training. Our tailored <a href=\"https:\/\/www.c2dprevention.com\/accompagnement-securite-et-coaching\/\">support<\/a>, including management coaching, formal risk assessment documentation, and HSE or QHSE training, strengthens your prevention culture, from behavioral safety visits to quality of work life modules, aiming for zero industrial accidents and optimal workplace well being.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3f4e0c elementor-widget elementor-widget-heading\" data-id=\"f3f4e0c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Key Takeaways<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e073e1f elementor-widget elementor-widget-text-editor\" data-id=\"e073e1f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li style=\"font-weight: 400;\">Degraded barriers mean increased real risk: detect and compensate before action, based on Swiss Cheese and barrier management principles.<\/li><li style=\"font-weight: 400;\">INRS and ARIA stress that degraded modes are blind spots that favor accidents outside nominal production.<\/li><li style=\"font-weight: 400;\">Avoid routine: prior discussion prevents normalization of deviance and strengthens organizational resilience.<\/li><li style=\"font-weight: 400;\">HSE practice: integrate into safety days, QHSE training, or behavioral safety visits to reinforce safety culture.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a329c48 elementor-widget elementor-widget-heading\" data-id=\"a329c48\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQ<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f65b30a elementor-widget elementor-widget-text-editor\" data-id=\"f65b30a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-weight: 400;\"><strong>What is a degraded mode?<\/strong><br \/>It is a situation in which safety barriers, whether technical, human, or organizational, lose effectiveness, increasing the risk of workplace accidents, for example during maintenance or machine shutdown.<\/p><p style=\"font-weight: 400;\"><strong>Why discuss it before the task?<\/strong><br \/>To identify weaknesses, define compensations, and avoid improvisation or normalization of deviance, aligning the team with the real level of risk through a proper risk assessment.<\/p><p style=\"font-weight: 400;\"><strong>What are the specific risks?<\/strong><br \/>Improvised interventions, bypassing of machine safety systems, or alignment of weaknesses described by the Swiss Cheese model, often highlighted by INRS in HSE safety training.<\/p><p style=\"font-weight: 400;\"><strong>How can a degraded mode be compensated?<\/strong><br \/>Through clear stop thresholds, shared vigilance through behavioral safety practices, and a structured prevention plan that includes root cause analysis and occupational risk assessment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b277423 elementor-widget elementor-widget-heading\" data-id=\"b277423\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sources :<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-99cc4c6 elementor-widget elementor-widget-text-editor\" data-id=\"99cc4c6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-weight: 400;\"><strong>INRS. (s.d.).<\/strong>\u00a0<em>Intervenir sur un \u00e9quipement de travail : penser s\u00e9curit\u00e9 (ED 134)<\/em>.\u00a0<a href=\"https:\/\/www.inrs.fr\/dam\/inrs\/CataloguePapier\/ED\/TI-ED-134.pdf\">https:\/\/www.inrs.fr\/dam\/inrs\/CataloguePapier\/ED\/TI-ED-134.pdf<\/a><\/p><p style=\"font-weight: 400;\"><strong>Griphe Conseil. (2022, 8 octobre).<\/strong>\u00a0<em>S\u00e9curit\u00e9 au travail et mode d\u00e9grad\u00e9<\/em>.\u00a0<a href=\"https:\/\/blog.griphe-conseil.fr\/2012\/07\/securite-au-travail-et-mode-degrade-107698112\/\">https:\/\/blog.griphe-conseil.fr\/2012\/07\/securite-au-travail-et-mode-degrade-107698112\/<\/a><\/p><p style=\"font-weight: 400;\"><strong>The Decision Lab. (2023, 30 ao\u00fbt).<\/strong>\u00a0<em>Mod\u00e8le du fromage suisse<\/em>.\u00a0<a href=\"https:\/\/thedecisionlab.com\/fr\/reference-guide\/management\/swiss-cheese-model\">https:\/\/thedecisionlab.com\/fr\/reference-guide\/management\/swiss-cheese-model<\/a><\/p><p style=\"font-weight: 400;\"><strong>Vaughan, D. (2010).<\/strong>\u00a0<em>The normalization of deviance<\/em>. In\u00a0<em>Encyclopedia of Criminological Theory<\/em>. SAGE Knowledge.\u00a0<a href=\"https:\/\/sk.sagepub.com\/ency\/edvol\/criminologicaltheory\/chpt\/vaughan-diane-normalization-deviance\">https:\/\/sk.sagepub.com\/ency\/edvol\/criminologicaltheory\/chpt\/vaughan-diane-normalization-deviance<\/a><\/p><p style=\"font-weight: 400;\"><strong>ORSYS. (2025, 12 f\u00e9vrier).<\/strong>\u00a0<em>D\u00e9finition Mode d\u00e9grad\u00e9 (fail-safe mode)<\/em>.\u00a0<a href=\"https:\/\/www.orsys.fr\/orsys-lemag\/Glossaire\/mode-degrade-fail-safe-mode\/\">https:\/\/www.orsys.fr\/orsys-lemag\/Glossaire\/mode-degrade-fail-safe-mode\/<\/a><\/p><p style=\"font-weight: 400;\"><strong>BFU. (s.d.).<\/strong>\u00a0<em>Swiss cheese model \u2013 Atelier de pr\u00e9vention<\/em>\u00a0[PDF].\u00a0<a href=\"https:\/\/www.bfu.ch\/media\/p11cq0sd\/2025_factsheet_swiss_cheese_model_fr.pdf\">https:\/\/www.bfu.ch\/media\/p11cq0sd\/2025_factsheet_swiss_cheese_model_fr.pdf<\/a><\/p><p style=\"font-weight: 400;\"><strong>INERIS. (s.d.).<\/strong>\u00a0<em>Fiches ARIA : Accidents en maintenance\/mode d\u00e9grad\u00e9<\/em>. Recherche sur ineris.fr (ex. : d\u00e9bordement cuves, shunts alarmes).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Degraded mode in workplace safety: why address it before a task ? It is essential to address degraded mode before starting a task in order to identify the real risks and implement appropriate preventive measures. This helps prevent workplace accidents by aligning the team around an accurate risk analysis. What is a degraded mode in [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":9010,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":"","inline_featured_image":false,"_yoast_wpseo_focuskw_text_input":"","footnotes":""},"categories":[50],"tags":[],"class_list":["post-9008","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Why is it necessary to discuss degraded mode before starting a task ? - C2D Prevention<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.c2dprevention.com\/en\/blog-en\/why-is-it-necessary-to-discuss-degraded-mode-before-starting-a-task\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why is it necessary to discuss degraded mode before starting a task ? - C2D Prevention\" \/>\n<meta property=\"og:description\" content=\"Degraded mode in workplace safety: why address it before a task ? It is essential to address degraded mode before starting a task in order to identify the real risks and implement appropriate preventive measures. This helps prevent workplace accidents by aligning the team around an accurate risk analysis. 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