Page 129: of Maritime Reporter Magazine (June 1999)

Sulphur in the transfer lines, above and below the decks, is heated by bolt-on sys- tems with redundant oil paths. Sensors on the return side of the oil loop report oil temperature to six computers in the engi- neer's office, deck office, and engine room. Display screens cue the ship's engineer to problems, and remote actua- tors automatically vary the flow of oil to regulate line temperature.

The designers of the Sulphur Enterprise originally specified a welded jacket ther- mal maintenance system for the ship's transfer pipe and valves. However, the shipyard's estimate of fabrication costs reportedly found double-walled pipe an expensive solution, as the bolt-on system segments promised to be 25 percent cheaper. The 1,300 ft. (396.2 m) of pipe on the Sulphur Enterprise required more than 6,300 ft. (1,920 m) of heating ele- ments. Pipes from .75 to 14 in. in diame- ter take from one single element to six elements installed as two panels of three elements each depending on the diameter and length of the pipe. ControHeat bolt- on jackets also cover 34 90-degree elbows, 8 and 12 in. diameter, and a col- lection of valves. "We've never had to remove any ther- mal maintenance modules." Mr. King observes, "In the unlikely event we have to make repairs, I can just unbolt one

ControTrace module and bolt a new one on. We can replace a small panel without interrupting cargo operations."

Significantly, no bolt-on heating ele- ment has required replacement in four years.

Circle 37 on Reader Service Card

ABS Ships 'least Likely"

Detained

According to recently released Port

State Detention Statistics issued by the

USCG and the Australian Maritime

Safety Authority (AMSA), vessels classed by ABS are noted as the least likely to be detained for class related deficiencies of all ships classed with

IACS Member societies.

Circle 51 on Reader Service Card

IUM Announces Promotions

Interocean Ugland Management Cor- poration (IUM), a ship management company located in Voorhees, N.J., has promoted Mitchell D. Walker to vice president-marine operations and

Robert B. Rogers to vice president- industrial relations. Walker, who is a graduate of Maine Maritime Academy will manage IUM's commercial and government fleet, while Rogers, who graduated from the United States Mer- chant Marine Academy, will supervise the crewing and insurance.

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Circle 101 on Reader Service Card

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Circle 328 on Reader Service Card

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