Bisso Marine acquires derrick/pipelay barge

OE Staff
Wednesday, December 23, 2015

Bisso Marine has announced its acquisition of the derrick/pipelay barge Global Iroquois. The 400ft x 100ft x 30ft laybarge has performed pipelay operations worldwide and will be renamed Bisso Iroquois.

The central part of the barge’s station keeping system are the ten single drum winches with 320 kips of pulling force and 744 kip holding force each. Each single drum winch holds 5300ft of 2.5in wire rope. The barge’s main tub mounted dynamic revolving crane has a 250-ton capacity and the deck crane is a Manitowoc 4100W Series 2.

The pipe handing system is designed to handle 40ft pipe joints but can accommodate 60ft joints with some modifications. The pipe handling system can handle pipe joints weighing up to 38-ton each. Through a series of conveyors, pipe is fed into a fully enclosed ready rack, line up station and firing line. The firing line features eight work stations, four of which are dedicated to welding.

The barge is configured with two 220 kip SAS tension machines with a total capacity of 440 kips of tension. The tensioners can pass an 84in maximum diameter. To accompany the two SAS tensioners, is a 440 kip capacity (on a full drum) SAS abandonment and recovery (A&R) winch capable of holding 5000ft of 3.5in wire rope. The barge is also outfitted with six 75-ton davits.

The primary stinger system is a two section 180ft gantry supported rigid truss. An alternative floating "Alpha" pontoon stinger system is also available. The 300ft Alpha stinger is composed of five 60ft sections.

The Bisso Iroquois can accommodate 256 persons and features a large galley and dining area, a large theater, several conference rooms, ample client office space, a gym and a three bed hospital. The below deck machinery space houses all ten mooring winches, three main generators providing 7875 kW of electrical power, 1200 gal/hr water making, warehousing and dry stores. The barge also has on-board machining and milling capabilities.

During the last decade, the barge has been reconfigured and received capacity, technology and efficiency upgrades to enable it to perform internationally in harsh environments.

Image: Bisso Iroquois/Bisso Marine

Categories: Vessels Installation Pipelay Vessel Pipelines

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