Maintenance Repair

We offer a variety of services aimed at enhancing output and sustaining vital assets to help you get the most out of your investments.


What we do?

Our team at Cavitech is equipped with skilled personnel and advanced equipment, ready to address and fulfill all technical requirements in ship repair and maintenance.

  • All kinds of Welding & Steel Work Processes
  • Inspections and surveys
  • Engineering Project Management – Designing
  • Thrusters, Gear, Pumps, Valve Repair and Maintenance & Replacement
  • Piping LP/HP, Plastic piping
  • Scaffolding and rigging
  • Installation Services
  • Tank Cleaning Services
  • Painting and Blasting Services
  • Surface treatment
  • Piping and Valve Works
  • General design and fabrication
  • Lifeboat upgrade, installation and commissioning
  • Handrail, Walkway, and Stair Tower systems
  • Systems for sprinklers, heat, water, and sanitation
  • Refrigeration and air conditioning (HVAC) systems
  • Interior Design, Insulation, and Furnishing
  • Eex Installations, maintenance, and repair ATEX
  • Maintenance and repair of electrical motors and generators
  • Units of Accommodation
  • Access Solutions


  • Basic Offshore Safety Induction and Emergency Training (BOSIET)
  • Offshore Working at Height
  • Industry diving
  • Offshore Welding certificates


We have nearly 300 experienced field employees with regarding certificates.

Class Approval & Modification


Handling, inspection, welding, repair, and coating methods have been designed in-house to meet the needs of drilling contractors.

  • Offloading, loading, and transportation of marine drilling risers are available
  • Disassembly and reassembly of the entire system
  • On-Site Machining Services, NDE and Dimensional Inspections
  • Full Welding Repairs
  • Identification of Positive Materials (PMI)
  • Heat Treatment During and After Welding
  • Services include complete blasting and coating
  • Preparation of package of documents for Class approval

Class Approval & Modification


  • Intervention Workover Control Systems – Design/Engineering and documentation package
  • Foundation FEM Analysis
  • Issuance of fabrication drawings
  • Preparation of package of documents for Class approval
  • Design/Engineering of roller chute, connecting bracket, and IWOCS Jumper pen
  • Structural analyses
  • Issuance of Fabrication drawings
  • Fabrication and installation of 55 T winch platform, WOCS realer platform, new subsea deck
  • Installing the electrical cables
  • Perform MPI of welding according to class requirements
  • Design/Engineering for IWOCS reel foundation
  • Fabrication of rollers for parachute
  • Engineering and issuance of fabrication drawings for complete IWOCS system

Class Approval & Modification

Cuttings Dryer

Engineering and project documentation for Installation of;

  • Centrifuges including and Deck capacity verification
  • Cuttings pneumatic conveying system including brackets
  • Vacuum system
  • Brine filtration system including
  • Issuance of welding procedures as per project documentation and project installation plan after design and engineering of equipment is completed
  • Required modifications and complete system installation: centrifuges, cuttings pneumatic system, vacuum system, brine filtration units including sea fastening
  • Install the electrical cables
  • Perform electrical cable connections by Ex. Certified welders
  • Perform MPI of welding according to class requirements
  • Paint for painting after installation

Class Approval & Modification


We are capable of test,removal repair/overhaul cleaning and calibration bellow listed valves.

  • SSSV (Subsurface Safety Valves)
  • Safety Valves (PSV)
  • Pressure Regulator Valves
  • Flow, Level, and Temperature Regulators
  • Air Valves
  • Wire Line Retrievable Safety Valves
  • Gas Lift Valves
  • Chemical Injection Valves
  • Dump Kill Valves
  • Water Injection Valves

Class Approval & Modification

Thruster Replacement

Cavitech is providing thruster replacements offshore which includes;

  • Lift scheduling and equipment listing
  • Planning the existing thrusters replacement procedure
  • Design of specialist equipment, lifting arrangements, winches, and Diver Supply Vessel (DSV)
  • Engineering & Design, manufacture, procurement, testing, and/or Enterprise of Competence Class approval (DNV-GL)
  • Complete project (onshore & offshore) organization with multi-discipline operators

Class Approval & Modification


We provide various types of blasting and painting services to the marine Industry, including UHP (ultra high pressure), hydro blasting and more traditional grit and steel ball blasting. 

All our coating systems are applied in accordance with the respective paint manufactures specifications. Below mentioned applications are provided by our paint projects.

  • HP washing
  • Paint pull test with Jotun testing equipment
  • Grinding applications
  • Manual paint and brush applications
  • Airless paint applications
  • Specialist coating applications
  • Manual dry grit blasting
  • Spot blast surface preparations
  • Automated dust-free blasting (abrasive blasting) with encapsulation
  • Manual hydro blasting
  • UHP blasting


Rope Access Solutions

In difficult-to-reach areas, rope access is a cost-effective alternative. The following types of jobs are handled by our rope access technicians:

  • Mechanical fitting and rigging
  • Sandblasting and painting
  • Installation and repair of electrical systems
  • Inspection and NDT testing
  • Insulation and pipe fitting
  • Inspection, maintenance, and repair of wind turbines
  • Cleaning with high-pressure water


Why Do You Choose Us?

At Cavitech, our expert team is equipped to manage all elements of a project on behalf of our customers. This includes meticulous preparation, efficient logistics, seamless acceptance, and precise operational execution. By providing a fully comprehensive waterborne solution, we eliminate the need for costly dry docking or off-hire times, ensuring your operations continue smoothly and efficiently.

Our commitment to quality means that every task is documented clearly using OEM-approved standards. This rigorous documentation process ensures transparency, accountability, and adherence to industry best practices, providing you with peace of mind and a reliable service you can trust.

Choose Cavitech for all your project management needs and experience the benefits of a dedicated team that prioritizes your operational efficiency and asset longevity.

Contact Us

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Requests sent to our 24/7 on-duty team will be quickly and efficiently addressed, ensuring that your needs are met promptly and professionally at any time of day or night