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Marine and hydrotechnical works · Dubai
Arasar delivers underwater cutting services for marine and hydrotechnical structures in Dubai and international locations. Specialist teams combine diving operations, hydraulic tooling and custom diamond-wire systems for work at depth and in low visibility.
The method
Underwater dismantling changes every part of the cutting process. Access, current, visibility, pressure, communication, lifting and environmental controls must be coordinated before the tool reaches the structure. Reinforced concrete may require purpose-built guides and hydraulic power systems to keep the cut stable.
Arasar’s wider group experience includes reinforced-concrete segmentation at depths of 20–30 metres in a spillway channel with visibility below one metre. Diamond wire saws, underwater hydraulic hand tools and a custom 40 kW power station were combined to achieve the required repair access.
Typical applications
01Ports, jetties and quay structures02Spillways and hydrotechnical assets03Submerged reinforced concrete04Marine repair and access openingsWhy this method
Technology creates value only when it is integrated with the structure, the work environment and the required end state.
Guides, hydraulics and cutting configurations are adapted to the structure and water conditions.
Each cut is coordinated with rigging and recovery so separated sections remain controlled.
Communication, reference points and sequence planning reduce dependence on direct visibility.
Project workflow
Each stage produces the information needed to release the next, keeping engineering and site execution aligned.
Confirm geometry, depth, visibility, access, currents, condition and environmental constraints.
Engineer cutting, hydraulic power, guides, communications, rigging and emergency arrangements.
Install the system, complete cuts in sequence and verify progress through agreed reference methods.
Lift separated sections, clear the work zone and document the completed intervention.
Typical deliverables
Technical questions
Final methods and capacities are confirmed after a project-specific site assessment.
Yes. Diamond wire and compatible hydraulic tools can cut reinforced concrete underwater when guides, power, access and section recovery are properly engineered.
Teams use fixed reference points, tactile procedures, communication systems, measured tool travel and a strictly defined sequence. The exact controls depend on the marine environment.
Steel cutting may be incorporated where the material, access, permits and safety plan support it. The technique is selected after assessment of the structure and surrounding environment.
A demanding project needs a clear first step
