Tank Welder

Responsibilities

• Selects type and size of pipe or other related materials and equipment according to specifications.
• Selects equipment and plans layouts, assembly, and welding, applying knowledge of geometry, physical properties of metal machining, weld shrinkage and welding techniques.
• May be required to use Gas-Metal Arc, Flux-Cored Arc, Gas-Tungsten Arc, Submerged Arc, or Shielded Metal Arc welding processes.
• Lays out, positions, aligns and fits components together in various body positions.
• Bolts, clamps and welds together metal components of products such as piping systems, plate, pipe and tube or structural shapes, using arc and arc gas welding equipment.
• May weld in flat, horizontal, vertical, or overhead position.
• May tack weld assemblies together.
• Connects cable from welding unit to obtain amperage, voltage, slope and pulse as specified by procedure or supervisor.
• Obtains specified electrode and inserts electrode into portable holder or threads consumable electrode wire through portable welding gun.
• Starts power supply to produce electric current.
• Strikes arc which generates heat to melt and deposit metal from electrode to work piece and join edges of work piece.
• Manually guides electrode or gun along weld-line, maintaining length of arc and speed and movement to form specified depth of fusion and bead, as judged from color of metal, sound of weld, and size of molten puddle.
• May manually apply filler rod to supply weld metal.
• May clean or degrease weld joint or workplace, using wire brush, portable grinder, or chemical bath.
• May repair broken or cracked parts and fill holes.
• May remove excess weld, defective weld material, slag and spatter, using carbon arc gouge, hand scrapper, grinder or power chipper.
• May preheat work piece, using hand torch or heating furnace.
• May cut metal plates or structural shape.
• Loads, transports and unloads material, tools, equipment and supplies.
• Absorbs minor damage to self and property.
• Absorbs minor injury to self and property.
• Performs minor maintenance or cleaning activities of tools and equipment.
• Aids in lifting, positioning and securing of materials and work pieces during installation.

Qualifications

• High School Diploma or equivalent.
• Previous years of experience in the field or in a related area.

Skills and Behaviors

• Ability to read a standard measuring tape.
• Access elevated work platforms and scaffolds through the use of ladders, stairways, or other designated access ways.
• Climb structures utilizing appropriate fall protection and available handholds and footholds.
• Work with precise limits or standards of accuracy.
• Compare and see differences in the size, shape and form of lines, figures, and objects.
• Understand verbal instructions and written posted notices.
• Comply with all written and verbally communicated safety rules and procedures.
• Perform general labor on construction sites.
• Work in confined spaces where respirators and fresh air equipment are utilized.
• Maintain and use personal protective equipment.
• Practice good housekeeping to maintain a clean, orderly, and safe work area.
• Perform a variety of duties, which may often change.
• Able to understand verbal instructions and written posted notices.
• Capable of learning to read and understand basic drawings.
• Able to visually inspect personal work activities.
• Able to pass required safety exams.