DNV Gives Thumbs Up for Hoegh's LNG FPSO Project
On June 3, 2009, Höegh LNG received the Approval In Principle (AiP) from Det Norske Veritas (DNV) for its LNG FPSO project, including a reconfigured membrane containment system. The approval from DNV confirms that the Höegh LNG FPSO design complies with all rules and regulations and that there are no showstoppers for its construction. This completes 18 months of engineering work by Höegh LNG.
The scope of DNV's AiP assessment includes review of all relevant documents produced for the LNG FPSO FEED (Front End Engineering and Design) that are subject to classification approval. DNV has also been involved with Gaz Transport and Höegh LNG during all stages for the sloshing assessment of the containment system to ensure that the main assumptions, analysis tools, methods and acceptance criteria used are relevant and in line with DNV's requirements.
The Approval in Principle covers the complete LNG FPSO design, including:
- The hull and all marine and utility systems designed for offshore use
- GTT No. 96 reinforced double row containment system designed by Gaz Transport Technigas
- Niche LNG liquefaction system design and patented by Chicago Bridge & Iron (CB&I)
- Gas inlet facilities
- Gas processing modules
- Power generation and distribution system
"Höegh LNG is very pleased with reaching this milestone for our LNG FPSO project," said Mr. Sveinung Støhle, President and CEO.
"This is a stamp of quality for the engineering work performed by us and our contractors with Daewoo Shipbuilding & Marine Engineering Co., Ltd.(DSME)and CB&I. We put emphasise on developing the project in the right order and with this Approval in Principle in place we can proceed with commercial agreements. We are entertaining discussions with a list of 10-12 potential users, and I am fully convinced that we will land a contract with one of them."
Mr. W.S. Ryu, Executive Vice President of DSME, the nominated shipyard for the Höegh LNG FPSO, stated, "DSME is proud of this significant milestone jointly achieved with our client Höegh LNG. This once again proves DSME's outstanding performance on LNG FPSO design and the suitability of the double row reinforced NO96 cargo containment system for an offshore application. This will also be a historic starting point for the realization of a LNG FPSO, from the design to the actual EPC stage. We are confident the Höegh LNG FPSO built by DSME will be the world's best."
The Höegh LNG FPSO design consists of offshore classed ship-shaped structure and a topside plant with capacity to treat and liquefy a well stream of approximately 3.0 billion cubic meters per year, which will give an annual production of between 1.6 to 2.0 million tons of LNG and approximately 0.4 million tons of LPG/condensate, depending on the specification of the gas stream. The design is such that it can be expanded to 2.4 million tons per year of LNG or reduced to 1.0 million tons per year. The LNG FPSO will have storage capacity of 190,000 cubic meters of LNG and 30,000 cubic meters of LPG/condensate.
Höegh LNG is a pioneer in the LNG shipping industry and currently owns and operates a fleet of four traditional LNG tankers, and has 2 Shuttle- and re-gasification vessels (SRV), under construction at Samsung for the Neptune project offshore Boston owned by Suez LNG NA. Höegh LNG further has under development two deepwater port terminals, one in the US offshore Florida, "Port Dolphin," and one offshore western UK, "Port Meridian" and is actively pursuing other floating LNG projects around the world.
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