To answer your needs, Yemanja works offshore: rock excavation, blasting operations, anchorage, Hydrotec and Hydroball repairing, spool piece, installation of anodes, resin application, underwater structure maintenance, testing, assessments, environmental works, and protection of areas.
Works undertaken according to the following standard : 
- Rock excavation
- Anchorage and foundations
- Resin application
- Maintenance, testing and assessment of underwater structures NDT (non destructive testing)
- Platform adjustments
- Pipe wedging
- Cleaning and antifouling point
- Boat hull cleaning
- Any type of underwater structure cleaning (high pressure waterjet, brushes, caviblaster…)
- Welding
- Repairing of all damaged structures
- Strap fitting
- Strap fitting
Environmental works (the entire works were made in Yemen for 4 years)
- Sediment measures (TSS laboratory)
- Coral cleaning
- Coral transplantation
- Development and implementation of curtains for coral protection during the whole phase of construction (MOF)
- Development and making of the pump system for coral cleaning
Installation and testing works
- Installation and accropode testing
- Installation and cathodic protection testing (made by hyperbaric welding workforce)
- Quality control of companies working offshore (trained IMCA and HSE personnel) in the service of MO
- Support to companies specialised in environmental protection
Underwater seabed and substratum
- Shooting, video with back surface (ROV)
- Bathymetric charting
- Bedrock research with high pressure waterjet
- Sampling via underwater sound
Environmental works (the entire works were made in Yemen for 4 years)
Testing works
- MOF construction
- Outfoll
- Jetty
- Shore Line
- Acropodes
