{"id":30836,"date":"2025-06-10T12:45:09","date_gmt":"2025-06-10T11:45:09","guid":{"rendered":"https:\/\/www.systra.com\/ireland\/?p=30836"},"modified":"2025-06-10T12:45:31","modified_gmt":"2025-06-10T11:45:31","slug":"first-section-of-m6-south-viaduct-slides-into-position-thanks-to-non-stick-material","status":"publish","type":"post","link":"https:\/\/www.systra.com\/ireland\/news\/first-section-of-m6-south-viaduct-slides-into-position-thanks-to-non-stick-material\/","title":{"rendered":"First section of M6 South viaduct slides into position thanks to non-stick material"},"content":{"rendered":"\n<p>Using material similar to that found on non-stick frying pans, the first of three giant sections was moved into place during a 29-hour closure. The \u2018East Deck\u2019 section was slid 119 metres out over a slip road adjacent to the motorway, and the road reopened 11 hours ahead of schedule.<\/p>\n\n\n\n<div style=\"height:43px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"2380\" height=\"1500\" src=\"https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025.png\" alt=\"A wide angle shot of the M6 South viaduct being moved into position on the HS2 project.\" class=\"wp-image-30839\" style=\"width:1120px;height:auto\" srcset=\"https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025.png 2380w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025-300x189.png 300w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025-1024x645.png 1024w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025-768x484.png 768w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025-1536x968.png 1536w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025-2048x1291.png 2048w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025-474x299.png 474w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025-1700x1071.png 1700w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025-1352x852.png 1352w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025-800x504.png 800w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025-180x113.png 180w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025-153x96.png 153w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-m6-south-viaduct-first-launch-june-2025-230x145.png 230w\" sizes=\"(max-width: 2380px) 100vw, 2380px\" \/><figcaption class=\"wp-element-caption\">The first section of the M6 South viaduct sliding into position<\/figcaption><\/figure>\n<\/div>\n\n\n<div style=\"height:43px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>The viaduct deck is being assembled to one side and slid across the motorway over three weekends, with each part pushed out before later sections are added behind them. This multi-stage process means that the weight of the deck will increase with each push from 1,300 tonnes for the first slide, to 3,290 for the final one, which will take the deck out over the main M6 carriageway and then finally the M6-M42 link roads.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>The East Deck will carry two tracks taking trains towards London while an adjacent West Deck will carry a further two tracks for services heading to Birmingham and further north. This will be assembled and slid out next year using the same technique.<\/p>\n\n\n\n<div style=\"height:43px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"2380\" height=\"1500\" src=\"https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam.png\" alt=\"A construction worker wearing bright orange PPE is pictured inserting non-stick pads under the deck beam of the M6 South viaduct deck on the HS2 project. The photo is taken through a 'window' of the deck beam. Behind the construction worker are lots of blurred trees.\" class=\"wp-image-30841\" style=\"width:958px;height:auto\" srcset=\"https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam.png 2380w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam-300x189.png 300w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam-1024x645.png 1024w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam-768x484.png 768w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam-1536x968.png 1536w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam-2048x1291.png 2048w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam-474x299.png 474w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam-1700x1071.png 1700w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam-1352x852.png 1352w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam-800x504.png 800w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam-180x113.png 180w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam-153x96.png 153w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-non-stick-pads-being-inserted-under-the-deck-beam-230x145.png 230w\" sizes=\"(max-width: 2380px) 100vw, 2380px\" \/><figcaption class=\"wp-element-caption\">Non-stick pads being inserted under the deck beam<\/figcaption><\/figure>\n<\/div>\n\n\n<div style=\"height:43px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Each viaduct span is formed of a hollow double-box structure made of weathering steel. This kind of steel boasts a natural protective layer of oxidisation which gives it a characteristic \u2018rusty\u2019 appearance and reduces maintenance by eliminating the need for regular repainting. Four pairs of concrete piers support the viaducts with tallest one 9.9m in height. A 4.5m high parapet will be provided on the side facing the Chelmsely Wood to reduce noise and disturbance from passing trains.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>The structural design has been carried out by Balfour Beatty VINCI\u2019s Design Joint Venture (DJV), made up of Mott MacDonald and SYSTRA.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Tom Dutton, Senior Design Co-ordinator for the Mott MacDonald SYSTRA DJV, said: <\/strong>\u201cThe launch of the first deck of the two-deck M6 Motorway South Viaduct\u202fmarks an exciting milestone following years of dedicated design work. We have seen the design take shape as the foundations, piers, and abutments were constructed, and now the moment has arrived for the deck to be launched.<\/p>\n\n\n\n<div style=\"height:43px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"2380\" height=\"1500\" src=\"https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck.png\" alt=\"View along the side of the M6 South viaduct deck as it's being installed on the HS2 project. A construction worker wearing PPE is pictured on some scaffolding next to the large structure. The construction site is in the background.\" class=\"wp-image-30843\" style=\"width:1092px;height:auto\" srcset=\"https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck.png 2380w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck-300x189.png 300w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck-1024x645.png 1024w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck-768x484.png 768w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck-1536x968.png 1536w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck-2048x1291.png 2048w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck-474x299.png 474w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck-1700x1071.png 1700w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck-1352x852.png 1352w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck-800x504.png 800w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck-180x113.png 180w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck-153x96.png 153w, https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/image-within-news-view-along-the-side-of-the-m6-south-viaduct-deck-230x145.png 230w\" sizes=\"(max-width: 2380px) 100vw, 2380px\" \/><figcaption class=\"wp-element-caption\">View along the side of the M6 South viaduct deck<\/figcaption><\/figure>\n<\/div>\n\n\n<div style=\"height:43px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u201cThe launch design is a fantastic example of collaboration between Mott MacDonald SYSTRA DJV colleagues in the UK and France, BBV, and their steelwork and launching contractor, Victor Buyck Steel Construction. Together, we have addressed the complex challenges of the temporary works and the fabrication of the steel diaphragm\u2014not to mention the feat of launching the viaduct decks over the M6 motorway itself.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u201cThis achievement is a testament to our collective effort and a fantastic milestone for the immediate team and the whole project.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The first part of a 320-metre-long viaduct has been slid into position over the M6, marking another significant milestone on the HS2 project in the Midlands.<\/p>\n","protected":false},"author":76,"featured_media":30838,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"14754,24482,6599,2089,22004,22517","_relevanssi_noindex_reason":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-30836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classe"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>First section of M6 South viaduct slides into position thanks to non-stick material - SYSTRA Ireland<\/title>\n<meta name=\"description\" content=\"The first part of a 320-metre-long viaduct has been slid into position over the M6, marking another significant milestone on the HS2 project in the Midlands.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"First section of M6 South viaduct slides into position thanks to non-stick material\" \/>\n<meta property=\"og:description\" content=\"The first part of a 320-metre-long viaduct has been slid into position over the M6, marking another significant milestone on the HS2 project in the Midlands.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.systra.com\/ireland\/news\/first-section-of-m6-south-viaduct-slides-into-position-thanks-to-non-stick-material\/\" \/>\n<meta property=\"og:site_name\" content=\"SYSTRA Ireland\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-10T11:45:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-10T11:45:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.systra.com\/ireland\/wp-content\/uploads\/sites\/24\/2025\/06\/featured-image-first-section-of-m6-south-viaduct-slides-into-position-1024x645.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"645\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"krush\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" content=\"The first part of a 320-metre-long viaduct has been slid into position over the M6, marking another significant milestone on the HS2 project in the Midlands.\" \/>\n<meta name=\"twitter:creator\" content=\"@SYSTRA_LTD\" \/>\n<meta name=\"twitter:site\" content=\"@SYSTRA_LTD\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"krush\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.systra.com\\\/ireland\\\/news\\\/first-section-of-m6-south-viaduct-slides-into-position-thanks-to-non-stick-material\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.systra.com\\\/ireland\\\/news\\\/first-section-of-m6-south-viaduct-slides-into-position-thanks-to-non-stick-material\\\/\"},\"author\":{\"name\":\"krush\",\"@id\":\"https:\\\/\\\/www.systra.com\\\/ireland\\\/#\\\/schema\\\/person\\\/217814abe36b2e3db6b16dd4f9714804\"},\"headline\":\"First section of M6 South viaduct slides into position thanks to non-stick material\",\"datePublished\":\"2025-06-10T11:45:09+00:00\",\"dateModified\":\"2025-06-10T11:45:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.systra.com\\\/ireland\\\/news\\\/first-section-of-m6-south-viaduct-slides-into-position-thanks-to-non-stick-material\\\/\"},\"wordCount\":455,\"publisher\":{\"@id\":\"https:\\\/\\\/www.systra.com\\\/ireland\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.systra.com\\\/ireland\\\/news\\\/first-section-of-m6-south-viaduct-slides-into-position-thanks-to-non-stick-material\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.systra.com\\\/ireland\\\/wp-content\\\/uploads\\\/sites\\\/24\\\/2025\\\/06\\\/featured-image-first-section-of-m6-south-viaduct-slides-into-position.png\",\"articleSection\":[\"Non class\u00e9\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.systra.com\\\/ireland\\\/news\\\/first-section-of-m6-south-viaduct-slides-into-position-thanks-to-non-stick-material\\\/\",\"url\":\"https:\\\/\\\/www.systra.com\\\/ireland\\\/news\\\/first-section-of-m6-south-viaduct-slides-into-position-thanks-to-non-stick-material\\\/\",\"name\":\"First section of M6 South viaduct slides into position thanks to non-stick material - 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