Welder, Combination Pipe. Maintenance Brown & Root Axisposted by admin on January 01, 1970
Short Description :A particular field May require a high school diploma or its equivalent with previous years of experience in the field or in a related area Required to pass employer performance tests or standard tests to meet certification standards Selects equipment and plans ,…
Full Description :
SUMMARY CombinationCapable of certifying on multi-process pipe being proficient in SMAW, GTAW and GMAW welding processes. May require x-ray qualities.
Lays out, aligns and welds fabricated, cast and forged components to assemble structural forms
such as machinery frames, tanks, pressure vessels, furnace shells, buildings and pipe, according to blueprints and metallurgy.
- 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 shapes.
- Examines weld for bead size and other specifications.
- Loads, transports and unloads material, tools, equipment and supplies.
- May assist in lifting, positioning and securing of materials and work pieces during installation.
- Performs minor maintenance or cleaning activities of tools and equipment.
- Assists other mechanics as needed.
- Respiratory protection is common and may be required.
- Required to pass employer performance tests or standard tests to meet certification standards. Performs only procedures certified in.
- Responsible for observing and complying with all safety and project rules. Performs other duties as required.
- Work within precise limits or standards of accuracy.
- Make decisions based on measurable criteria.
- Apply basic mathematics to solve problems.
- Plan work and select proper tools.
- Visualize objects in three dimensions from plans and drawings.
- Compare and see differences in the size, shape and form of lines, figures and objects.
May require a high school diploma or its equivalent with previous years of experience in the field or in a related area. Has knowledge of commonly-used concepts, practices, and procedures within a particular field. Relies on instructions and pre-established guidelines to perform the functions of the job. Works under immediate supervision. Primary job functions do not typically require exercising independent judgment. Typically reports to a supervisor or manager.
a. Standing 50% Walking 20% Sitting 30%
b. Lifting 35 lb.
Carrying 35 lb.
Pushing 0 ft-lb.
Pulling 0 ft-lb.
2. Climbing O
3. Stooping O
EXPLANATION OF SYMBOLS
NP Not Present
O Occasionally (0-33%)F Frequently (34-66%)C Constantly (67-100%)
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