17\/07\/2017<\/p>\n<\/div>
Soletanche Bachy and Bouygues awarded a new civil engineering works package for the Grand Paris programme\u2019s Line 15 South (T3A)<\/h1><\/div><\/div>\n\nAll the civil engineering contracts awarded for Grand Paris Express Line 15 South.<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>The Soci\u00e9t\u00e9 du Grand Paris recently awarded the last two of eight civil engineering contracts for Line 15 South. Combined, the works packages for this 33-kilometre line connecting Pont de S\u00e8vres and Noisy Champs will amount to \u20ac3.7 billion. By the end of the year, 41 projects will be under way, the first of the 10 tunnel boring machines in use on this Grand Paris Express line will be digging in Champigny, and 4,000 people will be working on this first line in the new metro system.<\/p>\n
The civil engineering<\/a> works on the section between the ancillary building in \u00cele de Monsieur (S\u00e8vres) and Fort d\u2019Issy Vanves Clamart station (excluded) will be carried out by a consortium led by Bouygues Travaux Publics and encompassing Soletanche Bachy France<\/a>, Soletanche Bachy Tunnels<\/a>, Bessac<\/a>, and Sade. This contract is worth \u20ac513 million (plus tax) and works involve the construction of:<\/p>\n\n- A 4 km bored tunnel<\/a><\/li>\n
- The Pont de S\u00e8vres and Issy RER stations<\/li>\n
- A metal-framed structure<\/li>\n
- Ancillary buildings<\/li>\n<\/ul>\n<\/div>
![](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2023\/03\/cp-sgp-attribution-marchs-l15s-030717-1.jpg\" "\\"cp-sgp-attribution-marchs-l15s-030717-1\\"")
<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div><\/div>Line 15 south figures<\/h2><\/div>\n- \n
33 km underground<\/p>\n<\/li>\n
- \n
16 stations, all connecting to RER (commuter train), metro or tram lines<\/p>\n<\/li>\n
- \n
Reaching 1,090,000 people, 455,000 jobs<\/p>\n<\/li>\n
- \n
22 towns in 4 departments (Val de Marne, Hauts de Seine, Seine Saint Denis and Seine et Marne)<\/p>\n<\/li>\n
- \n
300,000 daily trips<\/p>\n<\/li>\n<\/ul>\n<\/div>
<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/i>Read the press release<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div>Share the news<\/h3><\/div><\/a><\/a><\/a><\/a><\/a><\/a><\/div><\/div> <\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>Recent news<\/p>\n
<\/h2><\/div><\/div><\/div>
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All the civil engineering contracts awarded for Grand Paris Express Line 15 South.<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div> The Soci\u00e9t\u00e9 du Grand Paris recently awarded the last two of eight civil engineering contracts for Line 15 South. Combined, the works packages for this 33-kilometre line connecting Pont de S\u00e8vres and Noisy Champs will amount to \u20ac3.7 billion. By the end of the year, 41 projects will be under way, the first of the 10 tunnel boring machines in use on this Grand Paris Express line will be digging in Champigny, and 4,000 people will be working on this first line in the new metro system.<\/p>\n The civil engineering<\/a> works on the section between the ancillary building in \u00cele de Monsieur (S\u00e8vres) and Fort d\u2019Issy Vanves Clamart station (excluded) will be carried out by a consortium led by Bouygues Travaux Publics and encompassing Soletanche Bachy France<\/a>, Soletanche Bachy Tunnels<\/a>, Bessac<\/a>, and Sade. This contract is worth \u20ac513 million (plus tax) and works involve the construction of:<\/p>\n 33 km underground<\/p>\n<\/li>\n 16 stations, all connecting to RER (commuter train), metro or tram lines<\/p>\n<\/li>\n Reaching 1,090,000 people, 455,000 jobs<\/p>\n<\/li>\n 22 towns in 4 departments (Val de Marne, Hauts de Seine, Seine Saint Denis and Seine et Marne)<\/p>\n<\/li>\n 300,000 daily trips<\/p>\n<\/li>\n<\/ul>\n<\/div> Recent news<\/p>\n <\/h2><\/div><\/div><\/div>\n
<\/span><\/div>Line 15 south figures<\/h2><\/div>
\n
Share the news<\/h3><\/div>
![\"\"](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2026\/07\/Arkabutla-e1785423263151.jpeg\")
Arkabutla Lake Dam: Nicholson Construction Completes Critical Stabilization Work<\/a><\/h3><\/div>
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div>McDonnell Piling Uses Screwsol\u00ae for Ireland\u2019s Tallest Residential Building<\/a><\/h3><\/div>
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div>Nicholson: modernization of a pumping station in Louisville<\/a><\/h3><\/div>
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div>Soletanche Bachy France: Rehabilitation of the Beaucaire Tunnel<\/a><\/h3><\/div>
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div>2026 BU Managers Meeting highlights: Focus on Strategy, Innovation, and the Field<\/a><\/h3><\/div>
![\"\"](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2026\/07\/Image-1-1-scaled-e1785419063234.jpg\")
Soletanche Bachy in Vienna for the ICSMGE 2026 conference<\/a><\/h3><\/div>
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div>FIFA World Cup 2026: CIMESA contributed to the construction of the Azteca Stadium in Mexico<\/a><\/h3><\/div>
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div>ICOLD 2026 in Guadalajara: Soletanche Bachy and Cimesa at the World’s Premier Dam Congress<\/a><\/h3><\/div>
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div>[Ingenious Podcast] In Marianne’s Shoes: From project studies to construction site supervision<\/a><\/h3><\/div>
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div>Birtinya Pedestrian Bridge: Brady Marine & Civil delivers a cable stayed landmark on the Sunshine Coast<\/a><\/h3><\/div>
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div>Petra Imperiale: a new icon of Asunci\u00f3n, founded by Soletanche Bachy Paraguay<\/a><\/h3><\/div>
![\"\"](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2026\/04\/KIX_02.jpg\")
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div>![\"\"](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2026\/08\/Swan-River-Crossing-Pilecap-Placement-1-e1785747943527.jpg\")
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div>