MHI Begins Construction of First "Sayaendo" New-generation LNG C

MHI Begins Construction of First "Sayaendo" New-generation LNG Carrier 
- For Osaka Gas and Mitsui O.S.K. Lines - 
Tokyo, Dec 11, 2012 - (JCN Newswire) - Today Mitsubishi Heavy Industries, Ltd.
(MHI) began construction of the first ship in its "Sayaendo" Series,
which it has developed as a new-generation liquefied natural gas (LNG) carrier,
at the company's Nagasaki Shipyard & Machinery Works. The LNG carrier
is one of two ships ordered jointly by Osaka Gas Co., Ltd., and Mitsui O.S.K.
Lines, Ltd. (MOL) in October 2011. The Sayaendo Series has a hull shape that
evolved from LNG carriers with Moss-type* hemispherical tanks, and it offers
significant improvements in fuel consumption and maintainability. The unit now
being built is slated for delivery in the fiscal year 2014 (ending March 31,
At a ceremony held at the shipyard to mark the occasion, a prayer was offered
up for safety throughout the vessel's construction. The ceremony was
attended by representatives of the ship's owners and from MHI. 
The LNG carrier will measure 288.0m (meters) in length overall (LOA), 48.94m
in width, and 11.55m in draft. The 138,000 gross tonnage (75,000 deadweight
tonnage) ship is capable of carrying up to 153,000m3 of LNG (cargo tank total
volume: 155,000m3). It will be jointly owned by Osaka Gas International
Transport Inc. (OGIT), a wholly owned subsidiary of Osaka Gas handling the
operation of LNG carriers, and MOL, which will function as the ship management
To protect its four Moss spherical tanks, the Sayaendo features a
peapod-shaped continuous cover integrated with the ship's hull in lieu of
a conventional hemispherical cover. This innovative configuration enables
reductions in size and weight while maintaining the ship's overall
structural rigidity. The continuous cover over the tanks also improves
aerodynamics by substantially reducing wind pressure, which serves as drag on
ship propulsion. For its main power plant the Sayaendo adopts MHI's
"Ultra Steam Turbine Plant" (UST), a new turbine that provides higher
thermal efficiency through effective use of thermal energy by reheating steam.
Through downsizing, weight reduction and hull line improvement, the new ship
achieves a substantial 25% reduction in fuel consumption per unit cargo
compared to conventional ships. 
With a conventional cover configuration, pipes, wires and catwalks atop the
tanks are supported by complex structures. By covering the tanks with an
integrated cover and making those supporting structures unnecessary, the new
design also improves maintainability. In addition, CO2 emissions are reduced as
a result of decreased fuel consumption, and response to environmental issues is
further enhanced with installation of a ballast water treatment system, which
addresses impact on the marine ecosystem. 
To date MHI has received orders for five Sayaendo Series carriers in total,
including another ship ordered by MOL in June. The Sayaendo has been drawing
great attention in the marine transport industry and is quickly becoming a
leading force in the movement to develop energy-saving "eco-ships"
offering enhanced environmental performance - an area in which the Japanese
shipbuilding industry is actively engaged. 
MHI sees eco-ships as a key focus of its development of high-value-added
products in its shipbuilding and ocean development business sector. At the same
time, by strengthening its programs to develop technologies in this area
further and expanding its product lineup, the company aims to intensify its
aggressive proposal-based marketing activities both in Japan and around the
* Moss-type LNG carriers use independent spherical storage tanks to transport
LNG. The upper half of the tank is covered by a hemispherical dome and the
lower half under the deck is supported by a cylindrical skirt structure. 
About Mitsubishi Heavy Industries 
Mitsubishi Heavy Industries, Ltd. (MHI), headquartered in Tokyo, Japan, is one
of the world's leading heavy machinery manufacturers, with consolidated
sales of 2,820.9 billion yen in fiscal 2011, the year ended March 31, 2012.
MHI's diverse lineup of products and services encompasses shipbuilding,
power plants, chemical plants, environmental equipment, steel structures,
industrial and general machinery, aircraft, space rocketry and air-conditioning
systems. For more information, please visit the MHI website at 
Mitsubishi Heavy Industries
Hideo Ikuno
Copyright 2012 JCN Newswire. All rights reserved. 
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