{"id":5137,"date":"2022-11-17T15:14:00","date_gmt":"2022-11-17T14:14:00","guid":{"rendered":"https:\/\/www.optimum-te-recette.horizon-ci.fr\/unclassified\/610m-long-microtunnel-under-the-seine\/"},"modified":"2025-04-15T06:31:40","modified_gmt":"2025-04-15T04:31:40","slug":"610m-long-microtunnel-under-the-seine","status":"publish","type":"post","link":"https:\/\/www.optimum-te.com\/en\/water-en\/610m-long-microtunnel-under-the-seine\/","title":{"rendered":"610m long microtunnel under the Seine"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;et_body_layout&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;et_body_layout&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;et_body_layout&#8221;][et_pb_text _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;et_body_layout&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>Immensely proud to have accompanied BESSAC and SADE during the now completed 610-metre-long, up to 30-metre-deep, AVN2500 microtunnel crossing under the River Seine in the centre of Paris.<\/p>\n<p>In a complex geological environment, the gravity-flow tunnel had to cross not only the river, but also under the metro line 5 viaduct, metro line 10, as well as train line RER C.<\/p>\n<p>Before the works began, OPTIMUM engineers analysed the 10-layer geology and precisely defined the tunnelling parameters given the numerous constraints and complexity of the site. During the 3-month-long tunnelling operation, OPTIMUM continuously monitored tunnelling logs and ensured trenchless specialists were available to be despatched onsite whenever necessary to provide expertise.<\/p>\n<p>Congratulations to all the teams involved for their dedication in making the project happen :<br \/>\u2022 Groupement Impluvium : Urbaine de Travaux \/ BESSAC \/ SADE TS \/ Soletanche-Bachy \/ Sefi-Intrafor<br \/>\u2022 Project owner : Mairie de Paris<br \/>\u2022 Implementation : Artelia \/ Icaruss \/ Terrassol<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Immensely proud to have accompanied BESSAC and SADE during the now completed 610-metre-long, up to 30-metre-deep, AVN2500 microtunnel crossing under the River Seine in the centre of Paris.<\/p>\n","protected":false},"author":1,"featured_media":3411,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[46],"tags":[77],"class_list":["post-5137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-water-en","tag-microtunnelling-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - 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