Page 74: of Maritime Reporter Magazine (September 1998)

DERAA engines and Kort nozzles. Both

Mabel and Natalie feature Ulstein

Z-drives, while Kimberly and Janet feature Bird Johnson propellers.

Of the rest of the fleet, Jim

Colie, 85 x 27 ft., and J H Colie, 80 x 28 ft., use GM 16-149 diesel engines with an open screw design; and Copt. H Colie, 65 x 22 ft, and C

McVea Jr., 65 x 24 ft., utilize GM 12-71 engines with an open screw design. All four of the smaller ves- sels feature Bird-Johnson pro- pellers. Colie Towing has used

Main Iron Works for years; in fact,

Kimberly Colie will be the fifth ves- sel built by Main Iron Works for the company since 1976.

Still, in 1992, the company built its own vessel, and has another vessel currently in construction. "We get business because we do a better job than most people. We have better maintenance of our

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Circle 324 on Reader Service Card

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SEA AND AIR equipment," says Colie. "In we built a Z-peller tug and it the first in the Gulf of Me

Now, they're the most popular we were one of the first compa to have one. "We pretty much maintain our own vessels," he adds. "W> totally self dependent. We have < own repair facilities, our own d dock and our own shipyard. We all our own repairs on our vesse

Basically, everything that Cc break on a boat, we can fix." — I

Chris Palermo

Halter Delivers Newest USN

Oceanographic Survey Ship

Halter Marine Group, Inc. deliv- ered USNS Henson (T-AGS 63), the U.S. Navy's newest oceano- graphic survey ship and the fourth of the T-AGS 60 class designed and built by Halter Marine. The ship was preceded by USNS Bowditch,

USNS Sumner, and USNS

Pathfinder. The 5,000-ton ship, equipped with the latest survey technology, is designed with a com- mon bus diesel electric propulsion system consisting of twin screw propellers driven through Z-drives.

The drives include gear reduction and 360-degree thrust direction control in a compact unit. Two diesel generators, one rated at 2,435 kW and the other at 1,825 kW are integrated to provide power to the propulsion system, ship's service, and laboratories through a power conditioner.

Propulsion power is derived from two GE 4,000-hp DC motors for a sustained speed of 16 knots.

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First Wave To Modify

Diamond Offshore Rig

Diamond Offshore (USA) has contracted a Galveston-based sub- sidiary of First Wave Marine Inc., for modifications and upgrades to its semi-submersible rig, Ocean

Prospector. The value of the con- tract was not disclosed. According to Frank Eakin, President of

First Wave, "We have performed well on all of our rig projects to date, and rig contractors are tak- ing notice of our excellent service and convenient location. We are excited to add Diamond Offshore to our base of rig customers as we steadily grow this segment of our business." 76 Maritime Reporter/Engineerine No»-

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