{"id":14994,"date":"2026-08-11T11:07:32","date_gmt":"2026-08-11T11:07:32","guid":{"rendered":"https:\/\/www.codel.co.uk\/?p=14994"},"modified":"2026-08-11T11:07:46","modified_gmt":"2026-08-11T11:07:46","slug":"atal-tunnel-monitoring","status":"publish","type":"post","link":"https:\/\/www.codel.co.uk\/vi\/atal-tunnel-monitoring\/","title":{"rendered":"Atal Tunnel: Monitoring at 3,978 Metres | CODEL"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14994\" class=\"elementor elementor-14994\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-adde96b elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"adde96b\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div 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https:\/\/www.codel.co.uk\/wp-content\/uploads\/2026\/08\/Rohtang-Case-Study-Graphic-18x10.jpg 18w, https:\/\/www.codel.co.uk\/wp-content\/uploads\/2026\/08\/Rohtang-Case-Study-Graphic.jpg 1280w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1323b6d elementor-widget elementor-widget-spacer\" data-id=\"1323b6d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b8d2ec5 elementor-widget elementor-widget-heading\" data-id=\"b8d2ec5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Monitoring at 3,978 Metres: CODEL at the Atal Tunnel<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ffda2b elementor-widget elementor-widget-spacer\" data-id=\"6ffda2b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6fef484 elementor-widget elementor-widget-text-editor\" data-id=\"6fef484\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"275\" data-end=\"454\">Located high in the Indian Himalayas, the <strong data-start=\"317\" data-end=\"339\">8.8 km Atal Tunnel<\/strong> provides a vital year-round connection beneath the Rohtang Pass, operating at an elevation of almost 4,000 metres.<\/p><p data-start=\"275\" data-end=\"454\">\u00a0<\/p><p data-start=\"456\" data-end=\"645\">In 2020, CODEL was selected to supply <strong data-start=\"494\" data-end=\"526\">11 tunnel monitoring systems<\/strong> for this prestigious infrastructure project, supporting the continuous monitoring of conditions throughout the tunnel.<\/p><p data-start=\"456\" data-end=\"645\">\u00a0<\/p><p data-start=\"647\" data-end=\"809\">With its extreme altitude, demanding environment and need to maintain safe conditions for tunnel users, the Atal Tunnel presented a unique monitoring application.<\/p><p data-start=\"647\" data-end=\"809\">\u00a0<\/p><p data-start=\"811\" data-end=\"912\"><strong data-start=\"811\" data-end=\"912\">How is air quality and ventilation effectively monitored across an 8.8 km tunnel at 3,978 metres?<\/strong><\/p><p data-start=\"811\" data-end=\"912\">\u00a0<\/p><p data-start=\"811\" data-end=\"912\">Read the full <a href=\"https:\/\/www.codel.co.uk\/vi\/atal-tunnel-case-study-tunnel-monitoring-in-india\/\">case study<\/a> to discover CODEL&#8217;s solution.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0fcc89 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a0fcc89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37b34aa elementor-widget elementor-widget-spacer\" data-id=\"37b34aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-16 elementor-top-column elementor-element elementor-element-22386af\" data-id=\"22386af\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3df5d2b elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3df5d2b\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-be5a2e6\" data-id=\"be5a2e6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ec84264 elementor-widget elementor-widget-spacer\" data-id=\"ec84264\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Monitoring at 3,978 Metres: CODEL at the Atal Tunnel Located high in the Indian Himalayas, the 8.8 km Atal Tunnel provides a vital year-round connection beneath the Rohtang Pass, operating at an elevation of almost 4,000 metres. \u00a0 In 2020, CODEL was selected to supply 11 tunnel monitoring systems for this prestigious infrastructure project, supporting &#8230; <a title=\"Atal Tunnel: Monitoring at 3,978 Metres | CODEL\" class=\"read-more\" href=\"https:\/\/www.codel.co.uk\/vi\/atal-tunnel-monitoring\/\" aria-label=\"\u0110\u1ecdc th\u00eam v\u1ec1 Atal Tunnel: Monitoring at 3,978 Metres | CODEL\">\u0110\u1ecdc ti\u1ebfp<\/a><\/p>","protected":false},"author":6,"featured_media":15009,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Atal Tunnel: Monitoring at 3,978 Metres | CODEL - CODEL International LTD<\/title>\n<meta name=\"description\" content=\"Discover how CODEL supported the 8.8 km Atal Tunnel in India with tunnel monitoring technology designed for one of the world&#039;s most demanding environments.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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