SEMTEC offers a complete range of underwater and hyperbaric services, from inspection to UXO clearance and afloat repair. Our resources can be deployed in mainland France, overseas territories and internationally.
Underwater inspection
Inspection of hulls, port infrastructure, quays, sheet piling, submerged structures, jetties and pipelines. Methods: visual diving, magnetometry, side-scan and multibeam sonar.
Read moreUnderwater UXO clearance
Survey, identification and neutralisation of submerged unexploded ordnance (UXO): shells, bombs, sea mines, WWII charges. Operations compliant with NATO STANAG 2143 and IMAS.
Read moreHyperbaric works & welding
Wet and dry hyperbaric welding, thermal cutting, structural recovery, afloat hull repair, work on propellers and sea-chest gratings.
Read moreLARS — Launch & Recovery System
Launch and recovery systems for ROVs and heavy equipment, containerised in 20-ft units — fully autonomous offshore capability.
Read moreIMCA Diving Control
IMCA D023-compliant control cabins: nitrox panels for 3 divers, comms, video and black-box recording.
Read moreClass 2A surface-supplied diving
Diving to 50 m in air, intervention in contaminated waters, heavy works, welding and oxy-arc cutting.
Read moreContainerised hyperbaric chamber
Decompression and treatment chamber integrated in a marine container — deployable on any worksite.
Read moreWorkshop & refloating
Containerised HP/LP workshop, refloating capacity up to 20 tonnes for submerged objects, lift bags.
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