{"id":3299,"date":"2019-12-04T10:04:21","date_gmt":"2019-12-04T09:04:21","guid":{"rendered":"https:\/\/www.bessac.com\/?page_id=3299"},"modified":"2026-06-18T16:05:39","modified_gmt":"2026-06-18T14:05:39","slug":"presentation-tunnel-contracting","status":"publish","type":"page","link":"https:\/\/www.bessac.com\/en\/underground-works\/presentation-tunnel-contracting\/","title":{"rendered":"Underground works"},"content":{"rendered":"

Underground<\/span> works<\/span><\/strong><\/h2><\/div>

BESSAC is a specialist in tunnel and microtunnel works.<\/b> With a wealth of experience and highly developed expertise, <\/b>it is now present on five continents. This international activity represents the majority of our annual turnover.<\/p>\n<\/div>

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In this section <\/b><\/span><\/p>\n<\/div>

. Areas of Operation <\/span><\/a><\/span><\/strong>
\n. <\/span><\/strong>Expertise and Skills<\/b><\/a>
\n. <\/span>Key figures<\/a><\/strong><\/p>\n<\/div>

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Areas of Operation<\/h2><\/div>
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Water & Sewerage<\/h6><\/div><\/div><\/div>
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Subways<\/h6><\/div><\/div><\/div>
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Technical Galleries<\/h6><\/div><\/div><\/div>
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Oil & Gas Energy<\/h6><\/div><\/div><\/div>
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Maritime Works<\/h6><\/div><\/div><\/div><\/div><\/div>
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Expertise and skills<\/span><\/h2><\/div>

BESSAC has <\/span>extensive experience in managing complex design-build projects<\/strong>. To date, we have references in over 35 countries.<\/span><\/p>\n

Our expertise includes:<\/p>\n

– An <\/span>integrated design office.<\/strong><\/p>\n

– An <\/span>industrial department<\/strong> and a <\/span>manufacturing plant<\/strong> supporting our construction sites.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div>

Skills:<\/b><\/p>\n

– Mastery of all mechanized excavation techniques:<\/strong> directional drilling, MicroTBM, slurry TBM, EPB TBM, compressed-air TBM, variable density TBM, hard rock TBM.<\/span><\/p>\n

– Shafts construction & civil engineering works.<\/strong><\/p>\n

– Concept and multi-trade project<\/strong> management.<\/span><\/p>\n

– International capabilities.<\/strong><\/p>\n

– <\/strong>Precast segments and jacking pipes.<\/b>
\n<\/strong><\/p>\n<\/div><\/div><\/div>

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Key figures<\/h2><\/div><\/div><\/div><\/div><\/div>
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Specialists<\/h6><\/div><\/div><\/div>
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of MicroTBM carried out
\nin the last 10 years<\/h6><\/div><\/div><\/div>
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TBMs and MicroTBMs<\/h6><\/div><\/div><\/div>
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of TBM carried out
\nin the last 10 years<\/h6><\/div><\/div><\/div><\/div><\/div>
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You have a project?
\n<\/span><\/p>\n

\u00a0<\/p>\n<\/div>

Contact Pascal MOLINER<\/i><\/b><\/p>\n

Phone:<\/strong> +33 5 61 37 63 63<\/p>\n

Mail:<\/strong> commercial@bessac.com<\/a><\/p>\n<\/div>

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You have a project?<\/span><\/p>\n

\u00a0<\/p>\n<\/div>

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<\/i>Contact Us<\/span><\/a><\/div><\/div><\/div>
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Read <\/span>also<\/span><\/div><\/h2><\/div><\/div><\/div><\/div><\/div>
<\/a><\/span><\/div>
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Industrial D<\/a>ivision<\/h2>\n<\/div><\/div><\/div>
<\/a><\/span><\/div>
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Training Center<\/a><\/h2>\n<\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":1178,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3299","page","type-page","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t