New Wave Media

 

DNV, formerly known as Det Norske Veritas AS, a global provider of knowledge for managing risk, has updated the standard that covers loadout, transport and installation of subsea objects.

 

This was a new document in a series replacing the DNV Rules for Planning and Execution of Marine Operations (1996/2000). The standard replaces Pt.2 Ch.6. Extensive revisions have been made and three new sections have been added: loadout and transport; subsea lifting; and installation of pipelines, risers, cables and umbilicals.

 

Excerpts from ‘Section 5—Subsea Lifting’ read, “Subsea lifting is defined as installing, moving or recovering an object subsea by means of a crane or other lifting appliance.” And, “The lifted object shall be documented as having adequate stability when lowering through the wave zone.” It also directly references spreader bars.

 

Conforming to the revised standard, Modulift said it has launched a new nautical series of spreader beams for subsea environments, designed to safely lift weights of up to 500 tons. The subsea range has an open section design, suited to water submersion by eliminating the risks associated with cavity or pressure issues. They are finished with a three-coat paint system that is based on a two-pack epoxy paint combination suitable for the marine environment. They are fully and correctly assembled when combined with the recommended end units, drop links and shackles top and bottom, that also allow for the option to use ROV shackles where necessary.

 

The new nautical series is available to order, while the engineering team is prepared to discuss custom solutions and special requirements.