Welds metal parts together as specified by layout, print, work order, or oral instruction using welding equipment.
Duties & Responsibilities:
Works from drawings to plan, layout, fit up and weld large, complex weldments.
Perform complex welding and fabricate metals in vertical, horizontal and overhead positions for high strength requirements.
- Clamp, hold, tack-weld, heat-bend, grind or bolt component parts to obtain required configurations and positions for welding.
- Detect faulty operation of equipment or defective materials and notify supervisors
- Operate safety equipment and use safe work habits.
- Operate manual or semi-automatic welding equipment to fuse metal segments, using processes such as gas metal arc (GMAW) and shielded metal arc welding (SMAW).
- Monitor the fitting, burning, and welding processes to avoid overheating of parts or warping, shrinking, distortion, or expansion of material.
- Examine work pieces for defects and measure work pieces with straightedges or templates to ensure conformance with specifications.
- Recognize, set up, and operate hand and power tools common to the welding trade, such as shielded metal arc and gas metal arc welding equipment.
- Lay out, position, align, and secure parts and assemblies prior to assembly, using straightedges, combination squares, calipers, and rulers.
- Chip or grind off excess weld, slag, or spatter, using hand scrapers or power chippers, portable grinders, or arc-cutting equipment.
- Analyze engineering drawings, blueprints, specifications, sketches, work orders, and material safety data sheets to plan layout, assembly, and welding operations.
- Connect and turn regulator valves to activate and adjust gas flow and pressure so that desired flames are obtained.
- Weld separately or in combination, using aluminum, stainless steel, cast iron, and other alloys.
- Mark or tag material with proper job number, piece marks, and other identifying marks as required.
- Prepare all material surfaces to be welded, ensuring that there is no loose or thick scale, slag, rust, moisture, grease, or other foreign matter.
- Select and install torches, torch tips, filler rods, and flux, according to welding chart specifications or types and thicknesses of metals.
- Remove rough spots from work pieces, using portable grinders, hand files, or scrapers.
- Position and secure work pieces, using hoists, cranes, wire, and banding machines or hand tools.
- Clean or degrease parts, using wire brushes, portable grinders, or chemical baths.
- Repair products by dismantling, straightening, reshaping, and reassembling parts, using cutting torches, straightening presses, and hand tools.
- Fill holes, and increase the size of metal parts.
- Dismantle metal assemblies or cut scrap metal, using thermal-cutting equipment such as flame-cutting torches or plasma-arc equipment.
Knowledge & Skills:
Job requires the use of the SMAW, GMAW welding processes, oxy-acetylene heating and cutting, manual plasma cutting, overhead crane, jib crane, hand tools and small power tools.
- Retain official AWS welding certifications and follow welding procedure specifications (WPS) in designated fabrication areas.
- Must be able to read and assemble to blueprints.
- Ability to complete projects with little or no supervision.
- Steel toe boots, safety glasses, and hearing protection are required at all times.
- Must be able to make amperage and voltage adjustments to welding equipment to provide optimal weld penetration in relationship to various steel thicknesses.
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