Page 68: of Maritime Reporter Magazine (July 1995)

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P.O. Box 237 • Lusby, MD 20657 • Fax: 410-326-9125 410-326-9122 70 Circle 221 on Reader Service Card from California to the Hawaiian Islands to ( ine the ship's waste disposal system and t mat a plan for "zero discharge." The representatives calculated that 47 perce waste generated was paper, 25 percent pi; 19 percent metal, six percent glass, and percent cloth. They found that key facto establishing an effective solid waste redu program are as follows: first, the generate less refuse; and second, the maintenance c efficient means of storing the wastes during voyage.

One particular challenge faced by the Ma program were regulations, known as AP regulations, that prohibit the offloading in C fornia of any food-contaminated refuse from si that have called in Hawaii. Therefore, all solid waste generated onboard was stored for round trip voyage, and returned to a regent tion plant in Hawaii, where the non-recyclat were burned, with resultant energy sold to st citizens by the plant. It should be noted tl while recyclables such as glass bottles and a minum cans are sometimes picked up in po generating a small profit for ships, no recyclables en route to regeneration plants mi: be picked up and transported at cost.

Some practical recommendations for imp! menting reduction programs were furnished 1

Linda Sheehan, CMC's pollution progran manager, based on the Matson program: • Use of reusable cloth napkins and washable plastic utensils by the ere • Disposal of individual cargo packaging at port before setting sail. • Rinsing plastic to control tne mess.

As stated by Ms. Sheehan, "The goal is t reduce garbage as much as possible before leav ing port — go through the ship before leaving port and see where you can cut down." As of Apr! 1995, waste reduction programs were success- fully implemented on all nine of Matson's ships.

The company now eliminates, recycles, or recov- ers the energy of 100 percent of its wastes.

Retrofitting: Investing In The Future

Matson's fleet comprises two classes of ves- sels: RoRos and containerships. The solid waste reduction program was designed with these schemes in mind, with vessels Matsonia and

Manukai serving as models, respectively. In the case of Matsonia, a RoRo, one 40-ft. cargo con- tainer was sufficient to hold all the waste for a two-week round trip, but as described by Ms.

Sheehan, one of challenges faced in initiating reduction programs on Matson's fleet was ma- neuvering wastes through ships' quarters: "Ships were retrofitted to make it easier to transport the waste. This is where the cost lies."

In order to set up the program onboard

Matsonia, very little retrofitting work had to be completed. According to Captain Lynn

Korwatch, general manager of marine opera- tions at Matson, "We didn't have to do much because of the big, flat deck space. We could set a container close to the ground. We built steps that went up about a foot and a half (to the container)." The Manukai, however, required more effort: "On the aft-end of the ship, there is a steel structure built up, and garbage contain- ers fit right into it. We modified the structure so that the crew can walk from the accommodation area directly into the container," said Capt.

Korwatch.

In addition to the construction of a catwalk, the containers were also modified so that the doors would open in, as opposed to out. Garbage containers were purchased for all of the company's vessels, and five commercial dumpsters were installed inside each container, each with a des- ignated function, separately storing plastics, cans, office paper, etc. Matson completed some of the retrofits in-house, such as minor door modifica- tions. Other retrofitting work was contracted out to Dockside Marine, in California, and Todd

Shipyards, in Washington.

Since retrofitting was completed, program

Maritime Reporter/Engineering News

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