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Teamwork For LNG Carrier Development

GE Marine, DSIC, Lloyd’s Register cooperate in joint design

Posted on December 3, 2013

GE Marine, Dalian Shipbuilding Industry Co. (DSIC) and Lloyd’s Register announce they have jointly developed a design for a gas turbine-powered LNG carrier. The companies said this carrier will provide low life-cycle costs, high environmental performance and flexible design.

The initial LNG carrier design will be built around a GE gas turbine-based COmbined Gas turbine Electric and Steam (COGES) system that will feature one 25 MW gas turbine, one steam turbine gen-set and two dual-fuel diesel gen-sets for low power operation and backup.

GE said the carrier will allow for flexible configuration of prime movers, offering a total installed power of more than 50 MW, if required. The GE gas turbines can be equipped with a GE dry low emissions (DLE) or single annular combustion system – both capable of meeting Tier 3 IMO/Tier 4 U.S. Environmental Protection Agency (EPA) requirements with no exhaust treatment and no methane slip, the company said.

Lloyd’s Register said it recently spearheaded and completed a preliminary hazard identification (HAZID) study, the first in a series of studies to be performed on the COGES LNG carrier that delved into the carrier’s hazardous areas, structural integrity, safe separation, pipe routing and ventilation. Lloyd’s Register will contribute a series of risk assessment studies during the design development, leading to a safety case document that meets, or exceeds, the most onerous bidding qualification requirements for new technologies for shipping for LNG projects.