Project information<\/span><\/h2>\n<\/div>The project involves the construction of underground structures for the passage of Line B under the Canal du Midi in Ramonville-St-Agne.<\/p>\n<\/div>
Project description<\/span><\/h2>\n<\/div>BESSAC built two tunnels with an internal diameter of 4,660 mm using a closed boring arm compressed air TBM, designed and manufactured by BESSAC:<\/p>\n
\n- First tunnel: 251 m long,<\/li>\n
- Second tunnel: 266 m long.<\/li>\n<\/ul>\n
\n<\/ul>\n<\/div><\/div><\/div>Owner :
\nTISSEO Ing\u00e9nierie<\/strong><\/p>\nEngineer :
\nARCADIS<\/strong><\/p>\nGeneral contractor :
Consortium: BESSAC (Leader), GTM SO TP GC, Soletanche Bachy France<\/b><\/p>\n
Period of works :
April 2023 \u2013 November 2026<\/b><\/p>\n<\/div><\/div><\/div><\/div><\/div>![\"\"](\"https:\/\/www.bessac.com\/wp-content\/uploads\/sites\/50\/2025\/08\/p155_CLB_021-270324BD\u00a9LaurentBarranco.jpg\")
<\/div><\/div><\/div>![\"\"](\"https:\/\/www.bessac.com\/wp-content\/uploads\/sites\/50\/2025\/08\/p150-151_CLB_039-280324BD\u00a9LaurentBarranco.jpg\")
<\/div><\/div><\/div>![\"\"](\"https:\/\/www.bessac.com\/wp-content\/uploads\/sites\/50\/2025\/08\/p26_2023-CLB_004-280224BD\u00a9LaurentBarranco.jpg\")
<\/div><\/div><\/div>![\"\"](\"https:\/\/www.bessac.com\/wp-content\/uploads\/sites\/50\/2025\/08\/p19_CLB_003-150524BD\u00a9LaurentBarranco.jpg\")
<\/div><\/div><\/div><\/div><\/i><\/div><\/i><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>![](\"https:\/\/www.bessac.com\/wp-content\/uploads\/sites\/50\/2025\/05\/VL8-lot1_1-BD-DJI_0394.jpg\" "\\"VL8")
<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>A project?<\/span><\/p>\n\n
\n<\/div>
Pascal MOLINER<\/b><\/span> is at your service<\/b><\/span><\/p>\nPhone : <\/b>+ 33 5 61 37 63 63<\/a><\/span><\/p>\n
The project involves the construction of underground structures for the passage of Line B under the Canal du Midi in Ramonville-St-Agne.<\/p>\n<\/div>
Project description<\/span><\/h2>\n<\/div>BESSAC built two tunnels with an internal diameter of 4,660 mm using a closed boring arm compressed air TBM, designed and manufactured by BESSAC:<\/p>\n
\n- First tunnel: 251 m long,<\/li>\n
- Second tunnel: 266 m long.<\/li>\n<\/ul>\n
\n<\/ul>\n<\/div><\/div><\/div>Owner :
\nTISSEO Ing\u00e9nierie<\/strong><\/p>\nEngineer :
\nARCADIS<\/strong><\/p>\nGeneral contractor :
Consortium: BESSAC (Leader), GTM SO TP GC, Soletanche Bachy France<\/b><\/p>\n
Period of works :
April 2023 \u2013 November 2026<\/b><\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/i><\/div><\/i><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>A project?<\/span><\/p>\n\n
\n<\/div>
Pascal MOLINER<\/b><\/span> is at your service<\/b><\/span><\/p>\nPhone : <\/b>+ 33 5 61 37 63 63<\/a><\/span><\/p>\n
BESSAC built two tunnels with an internal diameter of 4,660 mm using a closed boring arm compressed air TBM, designed and manufactured by BESSAC:<\/p>\n
- \n
- First tunnel: 251 m long,<\/li>\n
- Second tunnel: 266 m long.<\/li>\n<\/ul>\n
- \n<\/ul>\n<\/div><\/div><\/div>
Owner :
\nTISSEO Ing\u00e9nierie<\/strong><\/p>\nEngineer :
\nARCADIS<\/strong><\/p>\nGeneral contractor :
Consortium: BESSAC (Leader), GTM SO TP GC, Soletanche Bachy France<\/b><\/p>\nPeriod of works :
April 2023 \u2013 November 2026<\/b><\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/i><\/div><\/i><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>A project?<\/span><\/p>\n
\n
\n<\/div>
Pascal MOLINER<\/b><\/span> is at your service<\/b><\/span><\/p>\n
Phone : <\/b>+ 33 5 61 37 63 63<\/a><\/span><\/p>\n