{"id":12482939,"date":"2021-12-09T17:07:56","date_gmt":"2021-12-09T16:07:56","guid":{"rendered":"https:\/\/www.etf.fr\/uncategorized\/operation-sous-haute-protection-dans-le-tunnel-de-corbinieres\/"},"modified":"2025-09-26T14:28:45","modified_gmt":"2025-09-26T12:28:45","slug":"operation-sous-haute-protection-dans-le-tunnel-de-corbinieres","status":"publish","type":"post","link":"https:\/\/www.etf.fr\/en\/agence-atlantique-en\/operation-sous-haute-protection-dans-le-tunnel-de-corbinieres\/","title":{"rendered":"High-security operation in the Corbini\u00e8res tunnel in Brittany"},"content":{"rendered":"\n<p><em><strong>As part of a National Out-of-Service Contract (MNHS) for SNCF R\u00e9seau, teams from the Atlantique agency carried out work on the tracks connecting Rennes to Redon (35).<\/strong><\/em><\/p>\n\n\n\n<p>Divided into two distinct phases, this project mobilised nearly 30 ETF operational staff:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>From April to mid-July 2021 in the Corbini\u00e8res tunnel to renew 1,000 metres of track<\/li>\n\n\n\n<li>From mid-August to mid-November 2021 at the exit of Redon station to renew 6,000 metres of track<\/li>\n<\/ul>\n\n\n\n<p>As part of the work carried out in the Corbini\u00e8res tunnel, enhanced preventive measures were taken.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>All operational staff and management present underwent specific training for working in confined spaces. Conducted by a specialist organisation, this training enabled them to better understand risky situations, learn how to use dedicated protective equipment and respond effectively in an emergency.<\/li>\n\n\n\n<li>To ensure proper ventilation of the tunnel, a ventilation system was installed on the wagons.<\/li>\n\n\n\n<li>Mist sprayers were installed on the ballast beds. The light rain they produce causes dust to fall to the ground, thereby limiting its spread.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>As part of an MNHS contract for SNCF R\u00e9seau, ETF teams carried out work on the tracks connecting Rennes to Redon.<\/p>\n","protected":false},"author":5,"featured_media":54921,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[199],"tags":[],"class_list":["post-12482939","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agence-atlantique-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>High-security operation in the Corbini\u00e8res tunnel in Brittany - ETF<\/title>\n<meta name=\"description\" content=\"Dans le cadre d\u2019un MNHS pour SNCF R\u00e9seau, les \u00e9quipes d&#039;ETF ont r\u00e9alis\u00e9 des travaux sur les voies reliant Rennes \u00e0 Redon.\" \/>\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.etf.fr\/en\/agence-atlantique-en\/operation-sous-haute-protection-dans-le-tunnel-de-corbinieres\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High-security operation in the Corbini\u00e8res tunnel in Brittany - ETF\" \/>\n<meta property=\"og:description\" content=\"Dans le cadre d\u2019un MNHS pour SNCF R\u00e9seau, les \u00e9quipes d&#039;ETF ont r\u00e9alis\u00e9 des travaux sur les voies reliant Rennes \u00e0 Redon.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.etf.fr\/en\/agence-atlantique-en\/operation-sous-haute-protection-dans-le-tunnel-de-corbinieres\/\" \/>\n<meta property=\"og:site_name\" content=\"ETF\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-09T16:07:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-26T12:28:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.etf.fr\/wp-content\/uploads\/2021\/12\/Rennes_Redon-Dec-21-3-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1199\" \/>\n\t<meta property=\"og:image:height\" content=\"1003\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"mathilde\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"mathilde\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.etf.fr\\\/en\\\/agence-atlantique-en\\\/operation-sous-haute-protection-dans-le-tunnel-de-corbinieres\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.etf.fr\\\/en\\\/agence-atlantique-en\\\/operation-sous-haute-protection-dans-le-tunnel-de-corbinieres\\\/\"},\"author\":{\"name\":\"mathilde\",\"@id\":\"https:\\\/\\\/www.etf.fr\\\/#\\\/schema\\\/person\\\/161a2c149c1f701b263f97f54de35dbd\"},\"headline\":\"High-security operation in the Corbini\u00e8res tunnel in Brittany\",\"datePublished\":\"2021-12-09T16:07:56+00:00\",\"dateModified\":\"2025-09-26T12:28:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.etf.fr\\\/en\\\/agence-atlantique-en\\\/operation-sous-haute-protection-dans-le-tunnel-de-corbinieres\\\/\"},\"wordCount\":174,\"publisher\":{\"@id\":\"https:\\\/\\\/www.etf.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.etf.fr\\\/en\\\/agence-atlantique-en\\\/operation-sous-haute-protection-dans-le-tunnel-de-corbinieres\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.etf.fr\\\/wp-content\\\/uploads\\\/2021\\\/12\\\/Rennes_Redon-Dec-21-3-2.jpg\",\"articleSection\":[\"Agence Atlantique\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.etf.fr\\\/en\\\/agence-atlantique-en\\\/operation-sous-haute-protection-dans-le-tunnel-de-corbinieres\\\/\",\"url\":\"https:\\\/\\\/www.etf.fr\\\/en\\\/agence-atlantique-en\\\/operation-sous-haute-protection-dans-le-tunnel-de-corbinieres\\\/\",\"name\":\"High-security operation in the Corbini\u00e8res tunnel in Brittany - 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