Lays out and fabricates metal structural parts, for example plates, bulkheads, and frames, and braces them in position within hull of ship for riveting or welding: Lays out position of parts on metal, working from blueprints or templates and using scribe and hand tools. Locates and marks reference lines, for example center, buttock, and frame lines. Positions parts in hull of ship, assisted by a rigger. Aligns parts in relation to each other, using jacks, turnbuckles, clips, wedges, and mauls. Marks location of holes to be drilled and installs temporary fasteners to hold part in place for welding or riveting. Installs packing, gaskets, liners, and structural accessories and members, for example doors, hatches, brackets, and clips. May also prepare molds and templates for fabrication of nonstandard parts. May also tack weld clips and brackets in place prior to permanent welding. May also roll, bend, flange, cut, and shape plates, beams, and other heavy metal parts, using shop machinery, for example plate rolls, presses, bending brakes, and joggle machines.
NOTE: The following description is a GENERAL Overview of this career and not a description of a particular job posting.
Shipfitters will layout and fabricate metal structural parts such as plates, bulkheads, and frames within the hull of a vessel for riveting or welding. Shipfitters use such tools as shears, punches, drill presses, bending rolls, bending slabs, furnaces, saws, and metal presses up to 750 tons. Also, Shipfitters will need to be proficient in the use of Oxygen Acetylene cutting procedures, and have the ability to tack weld. Typical layout work will consist of preparing plates for shearing, planning and bench planning, angles for punching and shearing, making collars, brackets for installation, furnaced plate, airports and manholes. Typical installation tasks will be deck ladders, fittings for riggings, mooring equipment ventilating equipment, oil-tight hatches, dry cargo hatches and braces, king posts and masts, engine room floor plates, engine room grating, shell castings, stern frames, anchor handling, and stem casting. Fabrication assignments may consists of plumbing a transverse bulkhead, lifting a shell frame from a vessel, construction of and/or duplicating structural parts. The Shipfitter is familiar with such equipment as hydraulic jacks and pumps, steamboat ratchets, strongbacks, yokes, dogs and wedges, pneumatic tools and chalk lines.
Most shipfitter careers require training in vocational schools, related on-the-job experience, and/or an associate's degree. A recognized apprenticeship program may be associated with these occupations.
Previous work-related skill, knowledge, and/or experience is required for these occupations, particularly in the use of career-related tools and work in a marine setting.