New Jones Act ammonia Carrier Delivers For Fertilizer Giant
Swan Island, in the Willamette River at Portland, Ore., saw a lot of ships launched from the Kaiser Yard during World War II, but those shipyard workers could not have imagined anything like the 508-foot Harvest launched by Vigor in 2017 from the same site. While the 1940s ships were primarily 526-foot tankers, any similarity with Harvest ends with the length.
The World War II ships were designed to carry oil while the technologically advanced Harvest — part of an articulated tug-barge (ATB) unit — carries liquid ammonia maintained at minus 27 degrees Fahrenheit. Commonly known as anhydrous ammonia, this chemical is used in a wide range of fertilizers. Classified as an extremely hazardous substance in the United States, an extensive array of features are required for its transport.
This story is from the October November 2017 edition of Professional Mariner.
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This story is from the October November 2017 edition of Professional Mariner.
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