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News & Updates

  • JMS Provides Engineering for Barge Transport of 125-Foot Tall New Power Plant Machinery

    16 August 2017

    Under contract to Durr-Megrant JV, JMS Naval Architects conducted an engineering review of the sea-fastening structural calculations use in the transport of a Heat Recovery Steam Generator (HRSG) module on board a 400 foot heavy lift barge from Coeymans, NY to Sewaren, NJ down the Hudson River. The 125-foot tall, 3,800 long ton Heat Recovery Steam Generator…

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  • JMS Provides Engineering Support to Harley Marine for Adding Upper Pilothouses to 3 Tugboats

    26 July 2017

    Harley Marine acquired four tugboats for their New York and Olympic Tug & Barge operations and wanted to increase the visibility of three of them when operating in harbors by adding upper pilothouses. Harley asked JMS Naval Architects to provide their naval architecture and engineering support services to examine the stability of the three tugboats with upper…

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  • JMS Provides Engineering for Heavy-Lift Transportation of New Weeks Marine Barges and Tug

    12 July 2017

    Weeks Marine had contracted the construction of 8 new sand scow barges to be built at a Gulf of Mexico shipyard and was exploring the most economical ways to transport them to Weeks Marine’s New Jersey facilities. Each of the scows measure 150’x40’x12’. In engineering consultation with JMS Naval Architects, Weeks decided to use an…

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  • JMS-Designed Barge Conversion for Port of Coeymans Marine Terminal

    1 June 2017

    JMS Naval Architects completed the conversion design of a 260-foot manned tank barge into a deck cargo barge for Coeymans Marine Towing of the Port of Coeymans Marine Terminal on the Hudson River in Coeymans, New York. The tank barge was formally known as the MSRC 350 and has been renamed the CMT Y NOT…

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  • JMS-Designed Gantry Crane Barge for Weeks Marine

    11 May 2017

    JMS Naval Architects has completed the design of a 250’ by 64’ by 16’ gantry crane barge for Weeks Marine of Cranford, NJ. JMS provided complete engineering and design services for the concept through detail design of the new crane barge to support a Clyde Model 28 gantry crane. JMS provided engineering calculations and design…

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  • Modular Floating Dry Dock Designed by JMS Naval Architects

    13 February 2017

    JMS Naval Architects has completed the design of a 128.0 m (420 ft) by 37.5 m (123 ft) modular floating dry dock for Ocean New Brunswick. The dry dock is designed to be built in three phases. One 60.8 m long section is already under construction, and two additional 36.8 m long end sections will…

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    12 January 2017

    Virginia Institute of Marine Science of Gloucester Point, VA ( awarded a contract to Meridien Maritime Reparation of Matane, Quebec ( to construct a 93-foot research vessel. JMS Naval Architects of Mystic, CT ( designed the research vessel to replace VIMS’s current vessel, the R/V Bay Eagle. The primary mission of the Institute’s fleet is to…

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  • JMS is providing engineering support for the restoration of the MAYFLOWER II

    5 January 2017

    JMS Naval Architects is providing engineering support to Mystic Seaport of Mystic, CT and Plimoth Plantation of Plymouth, MA. The 30-month restoration effort is taking place at the Mystic Seaport’s H.B. duPont Preservation Shipyard. The organizations, with the help of JMS serving as naval architecture consultant on the project, are working toward restoring the historic vessel’s…

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  • Tests and Trials of JMS-Designed Semi-submersible Purpose-built Barge

    16 December 2016

    Final tests and trials were conducted last month of the horizontal submergence platform JG BURKE designed by JMS Naval Architects for McNally Construction of Hamilton, Ontario, Canada. The operational tests and trials took place at the facilities of McNally’s parent company, Weeks Marine of Cranford, NJ. JMS developed a complete engineering and design package for…

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  • JMS-Designed Bridge Inspection Vessel

    6 October 2016

    JMS Naval Architects designed a compact, self-propelled, bridge inspection vessel for a bridge inspection company in the northeast. The new vessel is a 28’ aluminum catamaran built by Aluma Marine & Fabrication in Harvey, LA and joins the owner’s fleet of work and safety boats. The vessel was launched and tested this week with an…

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