Halimar Shipyard delivers crew supply vesselWritten by Nick Blenkey
APRIL 28, 2014 — Halimar Shipyard LLC, Morgan City, LA, has delivered the 205 ft aluminum monohull crew supply vessel John Jacob to Barry Graham Oil Service LLC (BGOS) of Bayou La Batre, AL.
The Incat Crowther designed John Jacob has a vast aft cargo deck of nearly 3,640 sq ft that carries loads of up to 450 long tons.
The main deck cabin houses 72 passenger seats, passenger shower and toilet, stores, a dedicated DP equipment room, and access to the upper deck wheelhouse below deck accommodations. A deck locker, accessed from the cargo deck, is provided for storage of deck cargo securing equipment and other safety gear. Upstairs, the wheelhouse features both forward and aft-facing control stations and smartly designed control consoles.
Below decks, John Jacob’s crew members are accommodated in twin cabins, capable of sleeping a total of 12. Adjacent to these is a crew galley and mess area, as well as a large pantry.
The vessel’s hull houses a multitude of tanks. In addition to the vessel’s 15,296 gallons of fuel, 17,484 gallons of transferrable fuel can be carried. Further tanks hold the vessel’s fresh water, gray water, and sewage, while dual-purpose water tanks can also be used to carry up to 42,588 gallons of rig water or ballast.
The vessel is powered by a quartet of Cummins QSK 50 engines, rated at 1,800 bhp each. These drive through Twin Disc MGX 6848 gearboxes to four Hamilton HM811 waterjets via cardan shaft assemblies from Driveline Service of Portland.
The vessel reached a top speed in excess of 32 knots during sea trials.
The USCG Subchapter T approved vessel is ABS classed for DP-2 service. Three Thrustmaster 150 hp tunnel bow thrusters combine with the four jets and a Beier Radio DP-2 control system to give the vessel superior maneuverability.
Electric power is generated from three Cummins 6CTA gensets rated at 185 ekW.
The vessel’s FiFi-1 firefighting system includes two FFS engine-driven pumps, each of 5,300 gpm capacity, with integral clutch assemblies and remote controlled monitors,
Length Overall 205′ 6″ / 62.6 m
Length Waterline 181′ 2″ / 55.2 m
Beam Overall 32′ / 9.8 m
Draft (hull) 7′ 6″ / 2.3 m
Depth 15′ / 4.6 m
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