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Mid-water arch buoyancy

The high-tech alternative to steel for better performance

While steel pressure vessels have typically been used to provide mid-water arch (MWA) buoyancy, a range of problems exist when transitioning to deeper water. To avoid these, Matrix manufactures composite syntactic foam buoyancy for MWA systems as an alternative to steel pressure vessels. Matrix offers clients a complete MWA design service.

Key features

  • More cost effective than steel pressure vessel systems for MWA's with a net buoyancy requirement of >100 tonnes in water depths > 350msw
  • Lower transportation and installation costs due to a lower dry weight than pressure vessels at water depths > 200msw
  • Longer design life with lower maintenance and inspection requirements than pressure vessel systems
  • Steel pressure vessels often don't meet the design intent at the following water depths:
  • 500msw for MWA's with a net buoyancy requirement of > 100 tonnes
  • 400msw for MWA's with a net buoyancy requirement of > 200 tonnes