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Engineering & Design

Innovative and cost-effective

JMS Naval Architects is a specialty maritime engineering firm providing naval architecture, marine engineering, marine surveying, and marine casualty response services to assist ship owners in the management of their vessel fleets. With a unique combination of high-end analytical engineering expertise and practical deck plate experience, JMS delivers innovative and cost-effective solutions to complex problems.

  • Naval Architecture

    JMS naval architects combine operational experience & technical expertise to provide a full range of naval architecture services for new vessel design or support for existing vessels:

    • Computer Aided Design & Engineering
    • Structural and Stability Analysis
    • Regulatory Evaluation
    • Trim & Stability Books
    • Computerized Loading Programs
    • Ship Inclinings
    • Repair Plan Specification
    • Finite Element Analysis
    • Modification Designs & Drawings
    • HECSALV & GHS Utilized
  • Barges, Dry Docks, & Workboat Design

    JMS Naval Architects provides design and engineering services for complete vessel design package development; from concept design to detail, structure, and systems design, and complete shipyard bid package development.

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  • Marine Engineering

    JMS provides deck plate engineering for repairs, modifications, equipment specifications, and new installation of shipboard systems. JMS combines operational experience and technical expertise for traditional marine engineering services, such as:

    • Repowering Design and Specification
    • Engineering Feasibility Studies
    • Shipyard Construction Technical Support
    • Construction/Repair Oversight and Acceptance Tests & Trials
  • Research Vessel Design

    JMS acquired Roger Long Marine Architecture Inc. (RLMA). Roger Long began RLMA in 1986 and is considered the foremost designer of fast aluminum coastal oceanographic research vessels in the United States. The acquisition included exclusive rights to Long’s enormously successful CHALLENGER class fast research vessel designs. Long is senior design consultant to JMS’ research vessel and workboat design projects. Recent research vessel designs include:

    • 78′  ARCTICUS for US Geological Survey – Great Lakes Science Center; selected as one of The 10 Significant Boats of 2015 by the editors of Workboat Magazine
    • 93′ VIRGINIA for Virginia Institute of Marine Science
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  • Shipyard Work Support and Owner's Rep Services

    JMS offers shipyards and ship owners with full design capability or work package specifications. Our range of expertise is also used to provide launching / dry docking support, facility engineering support, and owner’s rep services for construction or repair projects. JMS provides deck plate engineering for repairs, modifications, equipment specifications, and new installation of shipboard systems.

  • Off-Site Engineering Support

    JMS provides cost-effective off-site engineering support to vessel owners/operators to support their in-house engineering staff or provide turn-key engineering support. If you only have a part-time engineering need, we can help.

  • Expert Advice, Testimony, & Advanced Visuals

    JMS has performed accident investigation and damage analyses for cases involving submarine collisions, amphibious passenger vessel sinkings, hopper barge structural damage, containership structural failures, recreational boat accidents, diving accidents, vessel groundings, shipyard accidents, shipboard operational accidents and vessel design defects. Expert reports, depositions, and litigation support have been provided by JMS in many of these types of investigative or analysis projects.

  • CargoMax - Vessel Loading Program

    CargoMaxTM is a shipboard loading calculation program which is used for planning and evaluating ship loading. It quickly and precisely calculates ship stability and stress characteristics based on any loading condition specified by the user. For over 20 years it has proven itself a valuable tool to maximize vessel utilization, increase cargo loading efficiency, increase crew productivity, monitor margins of safety during load/discharge, and improve safety (reduce human error). Numerous options are available to provide even greater utility for specific crew operations.