Page 33: of Maritime Reporter Magazine (December 2003)

Name Methane Princess

Builder Daewoo Shipbuilding & Marine Engineering Co.Ltd

Owner Golar LNG Ltd.

Type LNG Carrier

Methane Princess is a 138,000 cu. m.

Liquefied Natural Gas (LNG) Carrier ordered by Golar LNG Ltd. and deliv- ered by Daewoo Shipbuilding & Marine

Engineering Co. Ltd. Designed for the world-wide transportation of LNG the

U.K. registered and flagged vessel was delivered August 25, 2003. The vessel is designed and constructed to meet the requirement of Det Norske Veritas (DNV) with the class notation +1A1,

Tanker for Liquefied Gas, Ship type 2G (0.25 bar, -163 oC, 500kg/m3), NAUTI-

CUS (Newbuilding), EO, Wl-OC, LCS (SID).

Methane Princess has a continuous upper-deck with aft sunken deck, a raked stem with bulbous bow, a bow thruster, a semi-balanced rudder and fixed pitch propeller driven by marine steam turbine. Four (4) cargo tanks totaling 138,000 cu. m. capacity are designed as GTT membrane type ("GT

No 96 E-2 system") and will keep the

LNG at -163 oC, under the condition of maximum daily boil-off rate less than 0.15% of fully loaded cargo volume.

Primary/secondary barriers of 36% nickel-steel alloy (Invar, 0.7mm thick- ness) which have a low thermal expan- sion coefficient are installed in cargo tanks and plywood boxes filled with expanded perlite are used for the pri- mary/secondary insulation.

Through the cargo hold length, under- deck passageways are arranged port and starboard in trunk deck space and also center passageway (pipe duct) with trol- ley system is arranged in the double bot- tom. These passages are used as pipe & cable passages and for inspection/main- tenance.

Fatigue design of hull structure is based on the life time of 40 years in

North Atlantic sea conditions.

A six (6) tier deckhouse located aft provided accommodation for 40 persons including Suez crews and the vibration levels in living areas are designed espe- cially low at normal operating condition.

Methane Princess Main Particulars

Ship Name Methane Princess

Ship Type LNG Carrier

Ship Owner Golar LNG Limited

Ship Builder Daewoo Shipbuilding & Marine

Engineering Co.Ltd.

Flag UK

Class DNV

Length, (o.a) 277 m

Length, (b.p.) 266 m

Breadth, (molded) 43.4 m

Depth, (molded) 26 m

Draft, (designed) 11.4 m

Draft, (scantling) 12.1 m

GT 93.900 Metric Tons

DWT. (at design draft) 70,800 Metric Tons

DWT, (at scantling draft) 77,700 Metric Tons

Speed ... .19.5 knots (90% MCR, 21% Sea Margin)

Accommodation 40 persons (5 tiers)

Main engines Steam turbine

Total installed power 36,000 ps x 88.0 rpm

Auxiliary engines B&W 4,950 ps x 1 set

Propellers FPP

Bow Thrusters Brunvoll 2,000 kw

Generators 3.450 kw x 1 set

Deck machinery Kocks

Coatings Jotun

Cargo pumps Ebara (1.700 m3/h x 8 sets)

Cargo control system Honeywell

Ballast control system Honeywel

Radars STN Atlas Marine Elcc.

Depth Sounders STN Atlas Marine Elec.

Radios Sailor

Auto Pilot Anschutz

GPS STN Atlas Marine Elec.

GMDSS Sailor

A1S STN Atlas Marine Elec.

Weatherfax Sailor

SatCom Sailo

Boilers MHI (56,000 kg/h x 2 sets)

Fire extinguishing systems NK (C02)

Fire detection system Autronica

Heat exchangers APV

Motor starters Hyundai Heavy Ind. Co., Ltd

Steering control Anschutz

Lifeboats Schat-Harding, 40p x 2 sets

Liferafts Viking, 20p X 4 Sets, 6p X 1 Sets

Davits Oriental

Firefighting NK Protection

Water Ballast Tanks including peak tanks 52,410 m3

Heavy Fuel Oil Tanks including sett, and serv. tanks 6,000 m3

Diesel Oil Tanks including sett, and serv. tanks50() m3

Fresh Water Tanks 490 m3

Circle 236 on Reader Service Card

December 2003 31

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