Marine Engineering & Contracting

United International’s core area of specialization includes the execution of Marine Construction projects. Throughout the years, we have consistently provided diverse marine engineering solutions to Ports & Harbors, offshore and waterfront infrastructure facilities. Our services Include:

  • Beach Construction
  • Shore protection and Rock armor
  • Jetties, marinas, berthing docks & floating docks.
  • Dredging and Silt management
  • Reclamation and Beach profiling
  • Seawater intakes and Outfalls

  • We also provide comprehensive engineering support and services for all marine based requirements and projects.


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    Offshore Contracting Services

    United International offer a multi-disciplined, fully-integrated service of engineering, procurement, fabrication and construction through a combination of in-house knowledge, specialized plant and tools, experience and a partner network of qualified suppliers and subcontractors.

    This allows us to deliver quality projects with innovative solutions.

    United International has successfully delivered a wide variety of Offshore projects including:

  • Turn-key project at NFA-PS4 accommodation offshore platform.
  • EPIC Galley. Laundry and mess facility including structural HVAC PA-GA and MEP.
  • Subsea trenching for offshore power cable.


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    Supply and Installation of Buoys, beacons and all Navigational Aids ( Atons)

    As one of the largest specialized Nav Aids companies in the region, United International has played a vital role in the evolution of the modern Atons deployment in it’s region. We provide comprehensive solutions, made in accordance with the International guidelines set out by “IALA”. As a result, we proudly delivered 90 percent of the navigation aids system on various parts of Qatar including Hamad Port , Doha Port , Mesaieed Port , Al Ruwais Port , Al Khor and Thakira Ports and other mega infrastructure projects such as The Pearl, Lusail City & New Lusail City Islands and Westbay Lagoon.Our capabilities in this domain also covers the supply and integration of Vessel Traffic Management Systems (VTMS) such projects as our VTMS project for Doha Port.


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    Supply of New Built & Charter of all types of marine spread


    United International is a market leader in the supply of new built work vessels for offshore and port operations. We have supplied new DP vessels, ASD Tugs, Towing tugs, Work barges, Pilot boats, work boats.



    We equally own and operate a fleet of tugs, barges, work boats, survey boats, maintenance dredgers and other support vessels available for time charter or job based hire.



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    Meteorological & Environmental Monitoring Stations

    United International has carried out several EPIC Weather/ Meteorological Monitoring Station project. Among our projects in this field are:


  • EPIC 18 Automatic Weather Monitoring Stations for Qatar Petroleum’s different Oil Production Fields
  • Complete Marine Meteorological System for the RasLaffan Port Metocean monitoring
  • 15 Automatic Weather Monitoring Stations at various locations in Qatar for Qatar Meteorology Dept

  • UITC also provides custom built Environmental and Weather Monitoring stations.


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    Marine Environmental Services



    United International provides marine environmental services offer includes consultancy with ecological surveys, Impact assessment, policy guidelines and mitigation measures recommendations mainly in coral and other marine flora and fauna.


    Focused on coastal and marine environment, those services accompany all projects phases from planning, design implementation and maintenance and preservation.




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    Hydrographic Surveying Services


    Through our subsidiary Clydeside Surveys Qatar , we specialise in all forms of hydrographic surveying


  • SIDE SCAN SONAR SURVEYS
  • SHALLOW SEISMIC SURVEY
  • BATHYMETRIC SURVEYS
  • SITE INVESTIGATION
  • OCEANOGRAPH
  • PIPE ROUTE SURVEYS
  • We also carry out CPT, benthic, PSD & ADCP surveys



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