Twin City Shipyard Lays Keel
For Gulf Coast Trailing Dredge
Keel-laying ceremonies were
held recently at Twin City Ship-
yard in St. Paul, Minn., for the
3,850-cubic-foot, suction hopper
dredge Ouachita being constructed
for Gulf Coast Trailing Company
of New Orleans. The 300-foot ves-
sel will incorporate many state-of-
the-art features unique for U.S.
dredges, such as her propulsion
and pump drive systems. The two
main diesel engines will drive con-
trollable-pitch propellers off their
aft ends and a dredge pump and
jet pump off the front of each
engine through split gearboxes.
The deckhouse will be located for-
ward for crew comfort and is de-
signed to accommodate a crew of
26 in single and double staterooms.
Designed by Twin City, the dredge
is scheduled for completion in the
fourth quarter of 1985.
Twin City Shipyard has become
one of the leading U.S. yards for
dredge design and construction,
along with its variety of split hop-
per dump dredges and aluminum
dredge tenders.
Gulf Coast Trailing is a joint
venture between T.L. James, Inc.
of Ruston, La.; Dredging Interna-
tional N.V. of Belgium; and HAM
B.V. of the Netherlands.
Present at keel-laying ceremony were (L to R): G. Pieters, senior superintendent. Dredging
International; H. Vermeulen, construction inspector, Gulf Coast Trailing; John Buursema,
president, Twin City Shipyard; Ron George, technical manager, Gulf Coast Trailing; G.W.
James III, special projects for T.L. James. Inc.; R. Rossway, vice president. Twin City;
D. Johnson, American Bureau of Shipping; W. Jura, quality control, and Steve Lane, coor-
dinator, Twin City.
Artist's rendition of Synchrolift ship transfer system at Vickers yard in England.
Pearlson Begins Construction Of
World's Largest Ship Transfer System
Pearlson Engineering Company,
Inc. of Miami has begun work on the
world's largest ship transfer system
that will be installed at Vickers
Shipbuilding and Engineering Lim-
ited in Barrow-in Furness, England,
as part of the yard's Submarine
Facilities Project.
Up to 90 self-propelled transfer
cars will be used to move completed
vessels on and off the Syncrolift®
shiplift. The transfer system will
also be used to move individual hull
sections inside the construction
hall.
The Syncrolift at Vickers will be
530 feet long and 71.2 feet wide, and
will have a maximum lifting capac-
ity of 24,000 tons. Scheduled for
completion in 1986, the shiplift will
incorporate 108 hoists, each with a
capacity of 270 tons. R.T. James
and Partners, London, are the con-
sulting engineers.
Pearlson Engineering is a member
company of Northern Engineering
Industries.
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