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We are called in case of accidental gas pollution or to prevent explosion hazard. We can act on the odour problems, underground migrations, by a mechanical action : draining trench, liner (membrane, bentonite), creating suction, extracting drillings. We realise dynamic drainage works on building prior to their construction to protect them against the explosion risks. We may also intervene on existing buildings at the time of the hazard occurrence. We install continuous surveillance and monitoring systems as a precaution or realise extraction works through mitigation or burning off. |
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