JF Subtech is a member of the International Marine Contractors Association (IMCA) and accredited by all of the major class societies. Our diving equipment and decompression chambers are portable and strategically placed in order to service customers rapidly and effectively.

Our diving capabilities include:

• Air / nitrox diving
• Nearshore construction support
  diving
• Ships husbandry
• Emergency response
• Oil and gas
• Saturation diving
• ROV

JF Subtech South Africa offers a wide range of NDT and inspection services, with experience in special surveys and class renewal surveys. Our equipment is strategically placed throughout South Africa to service customers rapidly and effectively. 

Our NDT capabilities include: 

• Ultrasonic thickness measurements 
  • Class renewal surveys 
  • Class special surveys 
  • Class intermediate surveys 
  • Autocad reporting 
  • Steel renewal calculations 
• Anchor chain calibration  
• Underwater inspections 
• Propellor cleaning 
• Magnetic particle inspection 
• Liquid penetrant inspection  
• Ultrasonic flaw detection 
• Eddy current testing 
• Visual inspections 
• Radiographic testing 
• Vacuum box testing 
• Positive material identification 
• IRATA rope access 
• Closed-circuit television 
• Confined space  

In an industry where time often means enormous financial consequence, JF Subtech takes pride in having the resources and experience to attend marine casualties promptly. 

A member of the International Salvage Union (ISU), JF Subtech has access to an extensive fleet and boasts an impressive resume of emergency response experience around the harsh coastline of Southern Africa, including:

• LOFs 
• Refloating of grounded vessels 
• Pollution control 
• Wreck demolition 
• Towage of distressed vessels