Tanker Towline Best Available Technology Review

Posted By: Maggie Moon | Papers

The Prince William Sound Regional Citizens’ Advisory Council enlisted Glosten to undertake an evaluation of available technologies and methods for establishing an initial messenger line connection between a disabled oceangoing vessel and a response vessel at sea for the purposes of connecting emergency towing gear. Full paper: https://glosten.com/wp-content/uploads/2020/05/Tanker-Towline-BAT-Review.pdf Authors:...

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144-Car Ferry LNG Fuel Conversion Feasibility Study

Posted By: Maggie Moon | Papers

Washington State Ferries (WSF) is investigating powering the new 144-Car ferries with liquefied natural gas (LNG) fuel, which has potential to reduce operational costs and air emissions when compared to diesel fuel.  However, converting to LNG poses technical, regulatory, and economic challenges compared to diesel.  Glosten was tasked with...

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LNG Use for Washington State Ferries

Posted By: Maggie Moon | Papers

LNG use as a marine fuel is both practical and cost effective and has been used in Norway for fueling ferries for over a decade. A high-level discussion of adapting the WSF 144 vehicle ferry design for use with LNG fuel indicates that the volume exists to add LNG...

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Mixing Biocides into Ships’ Ballast Water

Posted By: Maggie Moon | Ballast Water Treatment, Papers

This paper was developed to provide the reader with supplemental background information on a proposed series of shipboard field tests. These tests would use a tracer dye to determine the efficiency of novel methods to mix biocides into ship’s ballast water for the emergency inactivation of aquatic non-indigenous species...

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Developing a Marine Vessel Environmental Rating System

Posted By: Maggie Moon | Papers

The importance of facing environmental challenges in maritime shipping was highlighted in 2007, when the International Maritime Organization (IMO) selected “IMO Response to Current Environmental Challenges” as its theme for World Maritime Day. Two excerpts from their address to the United Nations frame the challenge: There is today, quite...

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Marine Vessel Emissions, Strategies for Abatement

Posted By: Maggie Moon | Papers

After years of debate, the beginning of 2008 found broad industry recognition that marine vessel emissions have a significant impact on population health in coastal areas, and to a lesser extent global warming. Following these concerns, regulatory efforts (international, federal, and local) have focused on use of low sulfur...

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Ballast Water Treatment Technology: Design, Risk Assessment, and Installation on a Tank Ship

Posted By: Maggie Moon | Ballast Water Treatment, Papers

The IMO has established a timetable by which vessels must be equipped with ballast water treatment systems that meet a prescribed performance standard. Tank ship installations are particularly challenging because ballast piping is typically located in spaces defined by classification society rules as hazardous. These same rules do not...

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Design of a Low Emissions Harbor Tug

Posted By: Maggie Moon | Papers

Crowley Maritime Corporation has designed a next generation solution for a very low emissions ship assist tug for service in Los Angeles and Long Beach (LA/LB) harbors. The tug will substantially reduce both US Environmental Protection Agency (US EPA) regulated emissions and currently unregulated greenhouse gas emissions over conventionally...

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