Subtech Group Marine and Subsea Services

Since 1995, Subtech has specialised in the provision of world-class marine and subsea services throughout sub-Saharan Africa.

The Subtech Group is based in Durban, South Africa, and has wholly owned subsidiaries registered in Mauritius, Mozambique, Namibia and Tanzania, and is currently engaged in incorporation in Angola.

With operational bases across all of these countries, our geographic footprint enables us to offer clients cost-effective solutions to all their marine related requirements.

Backing up our operational experience is ISO 9001:2008 certification, as well as full membership with the International Maritime Contractor’s Association (IMCA).

Our services are incorporated within the following divisions:

  • Offshore
  • Salvage
  • Diving
  • Inspections
  • Marine
  • Survey
  • Construction
  • Subsea cable
  • Logistics
  • Training

Subtech enjoys a number of strategic alliances with major industry players, providing an extended resource to our service offerings.

We also have a strong track record in the industry and support numerous clients, such as Anadarko, Subsea 7, Oceaneering, Technip, SAIPEM, NPCC, Shell, BP, Worley Parsons, Maersk, Svitzer, Smit / Boskalis, Titan, EB&H, Dormac and DCD.

Oil and gas offshore services

Subtech is focused on providing excellent service to our valued oil and gas sector clients, with the following offerings available throughout Africa:

  • Subsea installation and construction support (air and saturation diving) for offshore operations, including dedicated project management
  • Inspection services (inspection diving and rope access NDT technicians)
  • Pipelay support and stinger check teams
  • Ships husbandry to oil field support and supply, hull and propeller cleaning
  • Decommissioning of subsea oil and gas infrastructures
  • IRM programmes
  • Subsea emergency call-out services, priding ourselves on our ability to respond quickly to support subsea workscopes in sub-equatorial Africa
  • Subsea technical and logistical services
  • Cable laying
  • Survey
  • Diver manpower supply (subsea air and saturation teams)
  • Plant hire (diving and subsea tooling systems)

Emergency response, wreck removal and decommissioning

Subtech’s salvage division has established itself as a reliable and cost-effective emergency response service provider with standby teams on call 24/7.

In an industry where time often equates to enormous financial loss, our geographic footprint, strong local networks and diverse spread of resources, manpower and experience enables us to attend to all marine casualties promptly.

Subtech boasts an impressive résumé of salvage experience, including LOFs, refloating grounded vessels, pollution control and wreck removal.

Inspection services

Subtech’s inspections division offers a wide range of non-destructive testing (NDT) and inspection services, with particular experience in special surveys and class renewal surveys. The company is accredited with all of the major classification societies.

Our reports are colour-coded and easy to understand, including detailed photographs facilitating first-hand assessment of the condition of the structure under inspection. Our aim is to ensure that our clients are equipped with all the information necessary to make informed decisions regarding their assets.

We are able to offer all of the following services:

  • Rope access (RA)
  • Ultrasonic thickness measurements (UTM)
  • Dye-penetrant inspection (PT)
  • Anchor chain calibration (AC)
  • Vacuum box testing (VT)
  • CCTV
  • Confined space atmospheric testing (GD)
  • Magnetic particle inspection (MPI)
  • Radiographic texting (X-ray) (RT)
  • Ultrasonic flaw

Inshore diving services

Subtech’s diving division has an outstanding reputation in both the shipping and the inshore marine construction industries. We are widely known as a dependable and professional service provider and are accredited by all the major class societies.

Our equipment is portable and we offer various designs to ensure easy transport by road, sea or air, thereby enabling our dive teams to quickly and effectively service customers anywhere in sub-Saharan Africa.

Subtech’s shipping services include:

  • Underwater repairs
  • Sealing and blanking
  • General marine maintenance and cleaning
  • CCTV UWILD surveys
  • VP propeller blade changes
  • Propeller cropping
  • Coffer dams
  • Dry dock extension surveys

Subtech’s inshore diving services include:

  • Underwater construction
  • Pipeline installation, inspection and maintenance
  • Fibre optic shore end installations
  • Underwater demolition
  • Underwater cutting and welding
  • Inspections and surveys
  • Marine support
  • Dam maintenance

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Address
Subtech Group

10 Rotterdam Rd

Bayhead

Durban

4001

South Africa

+27 31 206 2073 +27 82 619 0113 (24hr cell) www.subtech.co.za

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Regional Offices

Subtech Group

10 Rotterdam Rd

Bayhead

Durban

4001

South Africa

+27 31 206 2073 +27 82 619 0113 (24hr cell) www.subtech.co.za
Cape Town

24 Shropshire Street

Paarden Eiland

7405

South Africa

+27 21 506 4940 +27 83 766 4774 (24hr cell)
Namibia

PO Box 2924

Walvis Bay, 9000

Namibia

+264 64 220 297 +264 81 146 9555 (24hr cell) +264 81 804 3693 (24hr cell)
Mozambique

Wilsons Wharf, Rua do Porto no 1

PO Box 220

Pemba

Mozambique

Mozambique #2

Rua da Educação Nº 38

Maputo - Matola

PO Box 1136

Mozambique

+258 21 784 179 +258 84 307 2990 (24hr cell)
Mauritius

Level 2, Max City Building

Remy Ollier St, Port Louis

Mauritius

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