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Welder, Combination
Published
Competency-Based Apprenticeship
Industries
O*Net Code
51-4121.00
Rapids Code
0622CB
Req. Hours
0
State
DC
Created
Jul 16, 2021
Updated
Jul 16, 2021
Competency-Based Skills
7 skill sets | 33 total skills
Air Carbon Arc Cutting (CAC-- Gouging)
Set-up, adjust, and regulate air pressure, power source, torch
identify appropriate electrode, proper current settings, and travel speed
Oxy-Fuel Cutting
Perform maintenance on CAC-A equipment
Set-up, adjust, and regulate tanks, hoses and torch
Perform manual straight cutting
Perform manual bevel cutting
Perform manual washing
How to pierce
Shielded Metal Arc Welding (S.M.A.W.)
Set-up, operate, and maintain S.M.A.W. equipment
Identify electrode
Fillet weld plate in designated positions
Groove weld plate in designated positions
Weld pipe in the vertical and horizontal positions
Cut and gouge using carbon arc-air method
Submerged Arc Welding (S.A.)
Set-up, operate, and maintain S.A.W. equipment
Identify welding wire
Fillet weld plate in designated positions
Groove weld plate in designated positions
Weld pipe in the vertical and horizontal positions
Flux Cored Arc Welding (F.C.A.W)
Set-up, operate, and maintain F.C.A.W. equipment
Identify electrode
Fillet weld plate in designated positions
Groove weld plate in designated positions
Weld pipe in the designated positions
Tools and Equipment
Operate grinders, de-bur stock, rough removal of material
Use and care for hand toolswrenches, hammers, punches, pliers, etc.
Use and care for measuring devicestape measurers, rules, scales, caliper, dividers, etc.
Use and care for precision instrumentsmicrometers, verniers, fixed gages, etc.
Fabrication and Assembly
Layout stock from blueprints, sketches, and templates
Drill, ream, countersink, counter-bore, spot face, and tap holes using portable equipment
Chip and grind material using hand held tools
Set-up and target piping assemblies
Basic rigging and crane signaling
Technical Instruction
Welding Safety - 3 req. hrs
Covers safety equipment, protective clothing, and procedures applicable to the cutting and welding of metals.
Oxyfuel Cutting - 18 req. hrs
Explains the safety requirements for oxyfuel cutting. Identifies oxyfuel cutting equipment and setup requirements. Explains how to light, adjust, and shut down oxyfuel equipment. Apprentices will perform cutting techniques that include straight line, piercing, bevels, washing, and gouging.
Plasma Arc Cutting - 8 req. hrs
Explains plasma arc cutting equipment and safe work area preparation. Identifies correct amperage, gas pressures, and flow rates. Covers plasma-arc cutting methods for piercing, slotting, squaring, and beveling metals. Explains how to store equipment and clean the work area.
Air Carbon Arc Cutting and Gouging - 10 req. hrs
Describes air carbon arc cutting equipment and processes. Identifies the electrodes and safe operation of the equipment. Provides step-by-step instructions for performing air carbon arc washing and gouging activities.
Base Metal Preparation - 13 req. hrs
Describes how to clean and prepare all types of base metals for cutting or welding. Identifies and explains joint design and base metal preparation for all welding tasks.
Weld Quality - 10 req. hrs
Identifies the codes that govern welding, including marine welds. Identifies and explains weld imperfections and causes. Describes non-destructive examination practices, visual inspection criteria, welder qualification tests, and the importance of quality workmanship.
S.M.A.W-Equipment and Set-up - 5 req. hrs
Describes S.M.A.W welding and welding safety. Explains how to connect welding current and setup arc welding equipment. Identifies and explains using tools for cleaning welds.
S.M.A.W Electrodes - 3 req. hrs
Explains electrode characteristics and different types of filler metals. Describes the role of the American Welding Society (AWS) and the American Society of Mechanical Engineers (ASME). Explains proper storage and control of filler metals and identifies the use of codes.
S.M.A.W-Beads and Fillet Welds - 100 req. hrs
Describes the preparation and setup of arc welding equipment and the process of striking an arc. Explains how to detect and correct arc blow. Describes how to make stringer, weave, overlapping beads, and fillet welds.
Joint Fit-up and Alignment - 5 req. hrs
Identifies and explains job code specifications. Describes use of fit-up gauges and measuring devices to check fit-up and alignment and use of plate and pipe fit-up and alignment tools to properly prepare joists. Explains how to check for joint misalignment and poor fit.
S.M.A.W-Groove Welds with Backing - 50 req. hrs
Explains groove welds and how to set-up welding equipment for making groove welds. Describes how to make groove welds with backing. Provides procedures for making flat, horizontal, vertical, and overhead groove welds.
S.M.A.W-Open V-Groove Welds - 60 req. hrs
Explains open v-groove welds and how to set-up welding equipment for making open v-groove welds. Provides procedures for making flat, horizontal, vertical, and overhead open v-groove welds.
Cutting and Burning Processes - 40 req. hrs
Expands on flame cutting methods covered in Level 1, including laying out and cutting bevels, chamfers, and circles. Also covers the methods used to cut or split common structural components such as beams and bars.
Plasma Arc cutting - 8 req. hrs
Explains plasma arc cutting and how to set up cutting equipment for making these cuts. Provides procedures for making flat, horizontal, vertical, and overhead cuts.
Intermediate Structural Print Reading - 40 req. hrs
Covers interpretation of fabrication and installation drawings, sketching of isometric and orthographic drawings, and interpretation of welding symbols.
