Wednesday 7 January 09 - 07:39
 

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Major Works at Renewed Lisnave

Portugal's Lisnave shiprepairers continue to make good use of new facilities at the Mitrena Yard, 50km south of Lisbon in Setubal, undertaking extensive refurbishment and conversion work on 39,655dwt FPSO Jamestown.
Lisnaves new facilities at Mitrena feature a Hydrolift drydocking system which can accommodate three Panamax size ships simultaneously.
Lisnaves new facilities at Mitrena feature a Hydrolift drydocking system which can accommodate three Panamax size ships simultaneously.

The Jamestown has a colourful history and a working life longer than most vessels. Built as a steam turbine tanker at Newport News USA in 1957, the ship was converted to an FPSO in 1995 to operate on the Nemba field for Chevron Angola. After refurbishment, Jamestown will be moored offshore Nigeria and deployed as an early production system on the Field of Okono by the joint venture SBM/SAIPEM.

The multi-million dollar conversion and refurbishment works now underway include approximately 500 tonnes of steel renewal inside the cargo tanks and various other renewals. The marine systems and production facilities are being modified and integrated and an export system installed.

New lifeboats are being installed , including the manufacturing and fitting of two new embarking platforms.

The poop deck and boat deck offices are being modified and the main deck receives corrosion protection. Aft accommodation is being modified and receives complete refurbishment.

Additional external and internal communications equipment is being installed.

A new riser porch installation includes new production flowlines and umbilical installations. Boiler re-tubing includes washing, refractory renewal, valves overhauling and tests.

Machinery such as cargo and ballast pumps, compressors, coolers, heaters and condensers are opened and overhauled while diesel generators, HP and LP turbines are surveyed and overhauled. Virtually all other equipment on board is to be inspected, tested and/or renewed.

Lisnave's impressive new facilities at Mitrena make for one of the world's largest and most modern shiprepair yards.

A recently completed $80m upgrade programme is crowned by a $45 million Hydrolift drydocking system which can simultaneously drydock three ships up to Panamax size.

MJ Information No: 16732

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