Page 2: of Maritime Reporter Magazine (June 15, 1971)

Designs-and Builds

East BQB

Towboats, workboats. fireboats. and a variety of special service ves- sels, for commercial, military and government needs Steel and alum- inum construction up to 100 ft. in length. Grafton Boats are durable and dependable with an exclusive hull design that provides greater maneuverability, and a remarkable thrust-to-horsepower ratio.

Send your requirements or specifications for prompt attention today! iGrafton Boat Co., Inc. '(AMOJl/ Grafton. Ill 62037 (618) 786-3371

SOLVE Your

Tough Problems of Propulsion and

Maneuvering

Standard, units from 50 to 1500 h.p. (Special units to 2500 h.p.) i

Look into HARBORMASTER

OUTBOARD MARINE UNITS

Tough problems of propulsion, steering and maneuvering have been solved by Harbormaster

Outboard Marine Propulsion units in thousands of installations since 1939.

Harbormasters provide packaged power all over the world in a wide variety of jobs. They are used to provide complete power and steering; as sup- plementary equipment to improve maneuverability and steering characteristics; for bow steering and bow thrust; for dynamic positioning; to supplement main engines and increase speed; and to increase safety of navigation, to increase payload, and to speed up operations.

For work barges, tows and ferries or drill rigs,

Harbormaster is the complete power package . . . engine, right-angle drive and simple controls. A model for every need.

Ask for complete catalog. MM Harbormaster

MURRAY&TREGURTHA/DIVISIONOF MATHEWSON CORPORATION 94 Hancock Street, Quincy, Mass. 02171

NSSC Invites 8 Yards

To Bid On Building

Of Twelve Harbor Tugs

In connection with building 12 large YTB-760-class harbor tugs, the commander, Naval Ship Systems

Command, Washington, D.C. 20360, is to send IFB N00024-71-B-0572 to the following yards, among others:

Atlantic Marine Inc., Fort George

Island, Fla. 32037; Campbell Ma- chine Inc., San Diego, Calif. 92112;

Defoe Shipbuilding Co., Bay City,

Mich. 48706; General Ship and En- gine Works, Inc., East Boston, Mass. 02128; Swiftships, Inc., Morgan

City, La. 70360; Western Boat Build- ing Corp., Tacoma, Wash. 98421 ;

Peterson Builders, Inc., Sturgeon

Bay, Wis. 54235, and Weaver Ship- yards, Orange, Texas 77630.

Split awards may be made on the basis of six for the East Coast and six for the West Coast.

Four-Barge Tow

Construction Underway

At Todd Houston Yard

The keels have recently been laid at Todd Shipyards Corporation (Houston Division) for two barges of a four-barge integrated tow being constructed for the Alamo Chemical

Transportation Company of Houston.

The lead barge, Alamo 2000, will measure 295 feet by 52 feet by 12 feet, and the box barge, Alamo 2001, will measure 300 feet by 52 feet by 12 feet. The other two barges of this tow are already being erected.

Each of the four barges have single- skin bottoms and double-skin sides.

The overall length of the four-barge tow will be 1,040 feet. The barges are being built to U.S. Coast Guard re- quirements and will be certificated by the USCG for river service. De- livery of the completed four-barge tow is scheduled for the latter part of July 1971.

Levingston Building $10-Million Drillship

For Global Marine

Levingston Shipbuilding Co., Or- ange, Texas, has received an order from Global Marine, Inc. to construct a $10-million drillship of the Global

Grand Isle Class.

The vessel will be 11,200 dead- weight tons and 400-feet long. It will be capable of drilling a 25,000-foot well in water up to 600 feet. Delivery is scheduled in the spring of 1972.

Discussions are under way by Global with a prospective customer regard- ing operating the drillship.

MARITIME

REPORTER

ENGINEERING NEWS 107 EAST 31st STREET

NEW YORK, N. Y. 10016

MUrray Hill 9-3266, 3267, 3268, 3269

ESTABLISHED 1939

Maritime Reporter/Engineering News is published the 1st and 15th of each month by Maritime Activity Reports,

Inc., with executive, advertising and editorial offices at 107 East 31st Street, New York, N. Y. 10016; publishing office at 41 First Street, Hoboken, New Jersey 07030

Controlled Circulation postage paid at Hoboken, New Jersey 07030

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No. 12 Volume 33

A Patented Product of

PEARLSON ENGINEERING CO. ,NC

P.O. BOX 8 • 8970 S.W. 87th COURT • MIAMI, FLORIDA 33156

PHONE: 305/271-5721 • TELEX: 051-9340 • CABLE: SYNCROLIFT

WHATEVER YOUR NEEDS are for drydocking, transferring, or launching vessels, our engineers will help determine the best answers to those needs...will prepare estimates... even visit your yard, anywhere in the world, at no cost or obligation. Write today for literature:

MOWBRAY'S

TUG & BARGE

SALES CORP.

FOR

MARINE EQUIPMENT

TUGS • TANKERS

BARGES • DREDGES

DECK SCOWS ^^ *r MOWBRAY'S

S TUG & BARGE § SALES CORP. - ^ Jrf a t WEST ST. NEW YORK N.Y.I OOOS PHONE (2 12) 422-2067

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