Page 43: of Maritime Reporter Magazine (January 1978)

Atlantic Dry Dock Corp.

Modifies Research Vessel

Atlantic Dry Dock Corporation, Ft. George

Island, Fla., marine repair facility, recently completed a highly specialized conversion of the research vessel Athena. The Athena, a high-speed R&D ship operated by the David

W. Taylor Ship Research & Development

Center, was specially equipped for a fed- erally funded wake survey conducted by a group of professors from the University of

Michigan.

High-speed research vessel Athena gets complex prop and hull modifications and subsequent routine hull maintenance at Atlantic Dry Dock Corporation, Ft.

George Island, Fla., prior to participation in a special wake survey.

The work accomplished by Atlantic Dry

Dock Corporation involved the installation of research gear on the underwater hull, modification of the turbine reduction gear, and modification of the controllable-pitch propellers for the wake survey. Upon com- pletion of the tests, the ship was returned to its original configuration. Routine drydock procedures—cleaning and bottom-painting— were also performed.

The Athena is a unique vessel combining twin diesels for normal cruising, with a 14,000-shp gas turbine engine that is uti- lized for high-towing loads and speeds up to 40 knots. The high-speed capability facil- itates research on towline, acoustic masking and sonar sensors, as well as the wake sur- vey. She has accommodations for 15 engi- neers and technicians, and can accommodate up to 10 tons of deck equipment.

Atlantic Dry Dock Corporation and At- lantic Marine, Inc. are located on the St.

Johns River just two miles from the Atlantic

Ocean. AMI specializes in the construction of steel-hulled fishing, offshore and river- harbor vessels, and ADDC has master ship repair contracts from the U.S. Navy, Coast

Guard and Army Corps of Engineers.

Bergeron Industries Awarded

Orgeron-Theriot Barge Contract

Bergeron Industries, Inc., St. Bernard, La. 70085, has been awarded a contract by

Orgeron-Theriot Interests of Golden Meadow,

La., for the construction of two oceangoing deck cargo barges. Each barge will have overall dimensions of 298 feet by 72 feet by 18 feet, and will be built to American

Bureau of Shipping Class "Maltese Cross

A-l" unrestricted ocean requirements.

Both barges will be built at Bergeron's

Marine facility located on the Mississippi

River at Braithwaite, La., near the Port of

New Orleans, and are scheduled for delivery in 1978.

January 1, 1978

Port Weller Dry Docks Awarded

Contract To Build Self-Unloader

For Upper Lakes Shipping Ltd.

An order for a maximum Seaway-size self- unloading bulk carrier has been awarded to

Port Weller Dry Docks by Upper Lakes Ship- ping Ltd. of Toronto, Canada. This is the second order for almost identical vessels placed with Port Weller by Upper Lakes

Shipping last year.

The two ships, designated as Hulls 64 and 65, are similar to Canadian Olympic deliv- ered to Upper Lakes in October 1976.

Like Canadian Olympic, they will be equipped with patented cargo reclaimers developed by Port Weller and Stephens-

Adamson of Belleville. Both will also have unloading and reballasting consoles built by

Port Weller's subsidiary, Canal Electric Ltd.

From the console, the unloading operation is performed by one man at a rate of 6,000 tons per hour.

Both ships will be built to an overall length of 730 feet (222.5 m). However, their breadth of 75.83 feet (23.12 m) will slightly exceed that of previous ships due to new width regulations now authorized by the St.

Lawrence Seaway Authority.

Hulls 64 and 65 will be powered by twin diesel engines generating 10,000 metric bhp.

Speed will be 13 knots (15 mph).

In the interest of energy conservation,

Port Weller is exploring methods of pro- pulsion economy for incorporation into Hull 65's design.

Hull 64 is scheduled for delivery in May 1979, and Hull 65 in December 1979. ahead ecaS0

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