Page 76: of Offshore Engineer Magazine (Sep/Oct 2015)

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The Castorone is ? tted with a knuckle boom crane that has a safe working load at a 30m outreach at 600-ton,

Designs and at 46m, the outreach is 350-ton.

Pipelines

Additionally, the vessel includes two gantry cranes, each with 52-ton capac- ity at 35m, three tensioners of 250-ton each and an abandonment and recovery for the future winch. the growing demand for pipelaying ves- For dynamic positioning (DP),

Jeannie Stell speaks with sels in deeper waters,” says Mike Sano, Castorone has eight side thrusters, two classi? cation organizations manager of energy development for ABS. bow thrusters, six azimuth thrusters, and

ABS and DNV GL to discuss “As a result, large pipelaying assets a fully redundant class-3 control system were designed and delivered to satisfy comprising two HiPAPs (high precision today’s trends in new this demand. One of those was Saipem’s acoustic positioning) for 3000m of water pipelay vessels.

Castorone.” depth and two differential global posi-

The Castorone is an ABS ice-class tioning system reference systems.

igger is better, when the object pipelay vessel built for Saipem. The “It was designed to have both S-lay of discussion is offshore pipelay Navalimpianti Tecnimpianti Group and J-lay capabilities in deepwater,

B vessels. Today’s generation of was contracted to design and assemble and can handle up to 48in diameter pipelay vessels, and almost all of the the vessel’s pipe handling and pipes,” Sano adds. “That associated on-deck equipment compo- storage system. Engineering vessel has been working for a nents, have been upsized because, for assistance for the completion of couple of years now. It had a example, larger reels equate to more the design was provided by ship tremendous backlog of work.” pipe that can be spooled into place with design ? rm Navalprogetti.

On her ? rst assignment, the less reloading required. Larger and more With a handling capacity of new vessel performed marine robust engines and highly developed more than 500m/hr of pipe, the activities for the development geo-positioning technologies mean the vessel’s pipe-deck receivers, of the Chevron-operated Jack/

Mike Sano pipelay vessels can remain in place for handling and storage systems

St. Malo ? elds in the US Gulf long work periods – even in harsh envi- minimize the transfer time of Mexico (GoM).

ronments. And new engine designs bring between the pipe barge and pipelay Even as owners, operators, shipbuild- ? ne-tuned ef? ciencies to the forefront of vessel holds. A full contingent of 702 ers and designers geared up for an excit- operations to ensure fuel conservation for workers can be accommodated onboard ing new generation of pipelay vessels, economics and reduced emissions. the vessel, and it has a 4300sq m of cargo with some record-breaking megastars “In the past ? ve years, we have noted deck area. already delivered, the vessel market

With a handling capacity of more than 500m/hr of pipe,

Castorone the Saipem pipelay vessel’s pipe-deck receivers, handling and storage systems minimize the transfer time between the pipe barge.

Photo from HGG Group.

September 2015 | OE oedigital.com 78 078_OE0915_Pipelines_Jeannie.indd 78 8/19/15 6:25 PM