{"id":795148,"date":"2026-10-07T19:56:15","date_gmt":"2026-10-07T19:56:15","guid":{"rendered":"https:\/\/www.newsbeep.com\/uk\/795148\/"},"modified":"2026-10-07T19:56:15","modified_gmt":"2026-10-07T19:56:15","slug":"river-thames-tunnel-work-between-gravesend-and-tilbury-finished-49-days-early","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/uk\/795148\/","title":{"rendered":"River Thames tunnel work between Gravesend and Tilbury finished 49 days early"},"content":{"rendered":"\n<p>A new 2.2km tunnel beneath the River Thames between Kent and Essex has been completed 49 days ahead of schedule.<\/p>\n<p>The work is part of The Great Grid Upgrade project to install new high-voltage electricity cables, running from Gravesend to Tilbury.<\/p>\n<p><img decoding=\"async\" class=\"rthmb\" src=\"data:image\/svg+xml,%3Csvg xmlns=\" http:=\"\" viewbox=\"0 0 1343 955\" alt=\"The Caroline Bore Machine (CMB) has completed a 2.2km tunnel 49 days ahead of schedule. Picture: National Grid\" data-root=\"\/_media\/img\/\" data-path=\"QXXYH317EDMFSZJ2D3VJ.jpg\" data-ar=\"1.41\"\/>The Caroline Bore Machine (CMB) has completed a 2.2km tunnel 49 days ahead of schedule. Picture: National Grid<\/p>\n<p>The new tunnel will replace the Thames Cable Tunnel, which dates back to the 1960s and is nearing the end of its operational life.<\/p>\n<p>Project director Mark Farmer described the breakthrough by the tunnel-boring machine (TBM), named Caroline, as a &#8220;fantastic achievement&#8221;.<\/p>\n<p>He said: &#8220;Everyone involved has worked together to deliver an exceptional performance safely and efficiently, helping us reach this important milestone sooner than anticipated.&#8221;<\/p>\n<p>The project is expected to play an important role in supporting Britain\u2019s future electricity needs as demand for cleaner power continues to grow.<\/p>\n<p>More than 10,000 concrete tunnel segments have been installed to create the tunnel lining, while more than 16,000 tunnel rings were constructed during the drive.<\/p>\n<p>In addition, more than 40,000 cubic metres of chalk has been excavated, with most of the material now set to be reused at the Port of Tilbury.<\/p>\n<p>The project will now move on to its next stage.<\/p>\n<p>Work will include removing the giant tunnel-boring machine, completing construction inside the shafts and headhouses, and preparing for the installation of the new high-voltage cables.<\/p>\n<p>Mr Farmer said the scheme would help strengthen the network &#8220;as demand for cleaner electricity continues to grow&#8221;.<\/p>\n<p><img decoding=\"async\" class=\"rthmb\" src=\"data:image\/svg+xml,%3Csvg xmlns=\" http:=\"\" viewbox=\"0 0 1309 850\" alt=\"The Grain to Tilbury project is replacing the existing Thames Cable Tunnel. Picture: National Grid\" data-root=\"\/_media\/img\/\" data-path=\"FCPFC9WJ9N56QP7GWVIW.jpg\" data-ar=\"1.54\"\/>The Grain to Tilbury project is replacing the existing Thames Cable Tunnel. Picture: National Grid<img decoding=\"async\" class=\"rthmb\" src=\"data:image\/svg+xml,%3Csvg xmlns=\" http:=\"\" viewbox=\"0 0 1062 775\" alt=\"The Grain to Tilbury project hopes to improve the electricity and power network in Kent and Essex. Picture: National Grid\" data-root=\"\/_media\/img\/\" data-path=\"OM538Y3SGXVZC4Z2FTJN.jpg\" data-ar=\"1.37\"\/>The Grain to Tilbury project hopes to improve the electricity and power network in Kent and Essex. Picture: National Grid<\/p>\n<p>School children were offered the chance to name the tunnel-boring machinery.<\/p>\n<p>Taking inspiration from influential women in engineering, the TBM was named after Dame Caroline Haslett, who was president of the Women&#8217;s Engineering Society.<\/p>\n","protected":false},"excerpt":{"rendered":"A new 2.2km tunnel beneath the River Thames between Kent and Essex has been completed 49 days ahead&hellip;\n","protected":false},"author":2,"featured_media":795149,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[84,1397,59,3862,192,191,56,54,55],"class_list":["post-795148","post","type-post","status-publish","format-standard","has-post-thumbnail","category-business","tag-business","tag-environment","tag-gb","tag-gravesham","tag-human-interest","tag-kent","tag-uk","tag-united-kingdom","tag-unitedkingdom"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/795148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/comments?post=795148"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/795148\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media\/795149"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media?parent=795148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/categories?post=795148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/tags?post=795148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}