Table of Contents
Task C-9 Uses tools and equipment for non-thermal cutting and grinding
Task Descriptor
Welders must match tools and equipment with the material being cut and ground. They must be aware of tool applications and limitations. They must select the proper blade or disc for the task.
C-9.01 - Selects cutting and grinding tools
C-9.01 - Selects cutting and grinding tools
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.01.01P |
identify type of material being cut or ground |
type of material being cut or ground is identified according to job specifications |
| C-9.01.02P |
select cutting and grinding tools and equipment |
cutting and grinding tools and equipment are selected according to application, grade and thickness of material, type of cut and tool limitation |
| C-9.01.03P |
select cutting and grinding consumables |
cutting and grinding consumables are selected according to material type, grade, thickness, size and finish required, and manufacturers’ specifications |
Range of Variables
- types of material include: stainless steel, aluminum, carbon steel, high alloy
- cutting and grinding tools and equipment include: band saw, cold cut saws, nibblers, power hacksaws, ironworkers, shears, hand tools, power tools
- consumables include: discs, blades, wire wheels
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.01.01L |
demonstrate knowledge of materials, their characteristics and applications |
identify types of materials, and describe their characteristics and applications |
| C-9.01.02L |
demonstrate knowledge of cutting and grinding tools and equipment, their characteristics, applications and limitations |
identify cutting and grinding tools and equipment, and describe their characteristics, applications and limitations |
| identify air pressure ratings of pneumatic grinders, and describe their characteristics and applications |
| identify types of blades for cutting ferrous metals and non-ferrous metals, and describe their characteristics and applications |
| identify types of discs, and describe their characteristics, applications and limitations |
| identify consumables, and describe their characteristics and applications |
| C-9.01.03L |
demonstrate knowledge of procedures to use cutting and grinding tools and equipment |
identify hazards, and describe safe work practices pertaining to cutting and grinding tools and equipment used to cut materials |
| describe procedures to use cutting and grinding tools and equipment |
| describe procedures to control waste and recycle cut materials |
Range of Variables
- types of material include: stainless steel, aluminum, carbon steel, high alloy
- cutting and grinding tools and equipment include: band saw, cold cut saws, nibblers, power hacksaws, ironworkers, shears, hand tools, power tools
- types of discs include: composite, carbide, abrasive
- consumables include: discs, blades, wire wheels
- hazards include: cuts, flying debris, noise, fire
C-9.02 - Cuts using stationary power tools
C-9.02 - Cuts using stationary power tools
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.02.01P |
select feed and speed rates |
feed and speed rates are selected according to material type, grade, thickness, size and manufacturers’ specifications |
| C-9.02.02P |
measure material to be cut |
material to be cut is measured according to drawings and specifications |
| C-9.02.03P |
secure material |
material is secured according to manufacturers’ specifications to prevent damage to blade and material, and injury |
| C-9.02.04P |
perform cut |
cut is performed according to job specifications |
| C-9.02.05P |
verify cut parameters and cut quality |
cut parameters and cut quality are verified for accuracy |
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.02.01L |
demonstrate knowledge of materials, their characteristics and applications |
identify types of materials, and describe their characteristics and applications |
| C-9.02.02L |
demonstrate knowledge of stationary power tools, their characteristics, applications and limitations |
identify stationary power tools, and describe their characteristics, applications and procedures for use |
| identify types of blades for cutting ferrous metals and non-ferrous metals, and describe their characteristics and applications |
| identify blade clearances, speed, direction, composition and pitch |
| identify types of cuts, and describe their characteristics and applications |
| C-9.02.03L |
demonstrate knowledge of procedures to cut materials using stationary power tools |
identify hazards, and describe safe work practices pertaining to cutting materials using stationary power tools |
| describe procedures to cut materials using stationary power tools |
| describe procedures to control waste and recycle cut materials |
Range of Variables
- types of material include: stainless steel, aluminum, carbon steel, high alloy
- stationary power tools include: band saws, cold cut saws, power hacksaws, pedestal grinder, drill press
- types of cuts include: straight, bevel, compound
- hazards include: cuts, noise, rotating equipment
C-9.03 - Cuts using shears and ironworkers
C-9.03 - Cuts using shears and ironworkers
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.03.01P |
select shear and ironworker settings |
shear and ironworker settings are selected according to material type, grade, thickness, size and manufacturers’ specifications to avoid blade and equipment damage |
| C-9.03.02P |
measure material to be cut |
material to be cut is measured according to drawings and specifications |
| C-9.03.03P |
secure material |
material is secured according to manufacturers’ specifications to prevent damage to blade and material, and injury |
| C-9.03.04P |
perform cut |
cut is performed according to job specifications |
| C-9.03.05P |
verify cut parameters and cut quality |
cut parameters and cut quality are verified for accuracy |
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.03.01L |
demonstrate knowledge of materials, their characteristics and applications |
identify types of materials, and describe their characteristics and applications |
| C-9.03.02L |
demonstrate knowledge of shears and ironworkers, their characteristics, applications and limitations |
identify shears and ironworkers, and describe their characteristics, applications and limitations |
| identify digital shears, and describe their characteristics, applications and procedures for use |
| C-9.03.03L |
demonstrate knowledge of procedures to cut materials using shears and ironworkers |
identify hazards, and describe safe work practices pertaining to cutting materials using shears and ironworkers |
| describe procedures to cut materials using shears and ironworkers |
| describe procedures to control waste and recycle cut materials |
Range of Variables
- types of material include: stainless steel, aluminum, carbon steel
- applications include: cutting plates, structural shapes, punching holes
- limitations include: type, grade, thickness and size of material being cut
- hazards include: pinching, cuts, shattered tooling
C-9.04 - Cuts using hand tools
C-9.04 - Cuts using hand tools
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.04.01P |
measure material to be cut |
material to be cut is measured according to drawings and specifications |
| C-9.04.02P |
secure material |
material is secured using manufactured safety devices to prevent damage to hand tools and material, and injury |
| C-9.04.03P |
perform cut |
cut is performed according to job specifications |
| C-9.04.04P |
verify cut parameters and cut quality |
cut parameters and cut quality are verified for accuracy |
Range of Variables
- manufactured safety devices include: locking pliers, clamps, chain grips
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.04.01L |
demonstrate knowledge of materials, their characteristics and applications |
identify types of materials, and describe their characteristics and applications |
| C-9.04.02L |
demonstrate knowledge of hand tools, their characteristics, applications and limitations |
identify hand tools, and describe their characteristics, applications and limitations |
| describe types of cuts, and identify their applications |
| C-9.04.03L |
demonstrate knowledge of procedures to cut materials using hand tools |
identify hazards, and describe safe work practices pertaining to cutting materials using hand tools |
| describe procedures to cut materials using hand tools |
| describe procedures to control waste and recycle cut materials |
Range of Variables
- types of material include: stainless steel, aluminum, carbon steel, high alloy
- hand tools include: hacksaws, files, snips, pipe cutters, chisels
- types of cuts include: straight, radius
- hazards include: flying debris, cuts, scrapes
C-9.05 - Cuts using portable power tools
C-9.05 - Cuts using portable power tools
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.05.01P |
select speed |
speed is selected according to material type, grade, thickness, size and manufacturers’ specifications to avoid tool damage and injury |
| C-9.05.02P |
measure material to be cut |
material to be cut is measured according to drawings and specifications |
| C-9.05.03P |
secure material |
material is secured according to manufacturers’ specifications to prevent damage to tools and material, and injury |
| C-9.05.04P |
perform cutting or grinding operation |
cutting or grinding operation is performed according to job specifications |
| C-9.05.05P |
verify cut parameters and cut quality |
cut parameters and cut quality are verified for accuracy |
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.05.01L |
demonstrate knowledge of materials, their characteristics and applications |
identify types of materials, and describe their characteristics and applications |
| C-9.05.02L |
demonstrate knowledge of portable power tools, their characteristics, applications and limitations |
identify portable power tools, and describe their characteristics, applications and limitations |
| identify types of coolants, and describe their characteristics and applications |
| identify feed rates, clearances, speed, direction, composition and pitch |
| describe types of cuts and their applications |
| identify types of discs, and describe their characteristics and applications |
| identify types of blades, and describe their characteristics and applications |
| C-9.05.03L |
demonstrate knowledge of procedures to cut materials using portable power tools |
identify hazards, and describe safe work practices pertaining to cutting materials using portable power tools |
| describe procedures to cut materials using portable power tools |
| describe procedures to control waste and recycle cut materials |
Range of Variables
- types of material include: ferrous and non-ferrous (stainless steel, aluminum, carbon steel, high alloy)
- portable power tools include: circular and reciprocating saws, angle and die grinders, beveling machines, nibblers
- types of cuts include: straight, bevel, radius
- types of discs include: composite, carbide, abrasive
- types of blades include: bi-metal, carbon steel, carbide, diamond
- hazards include: flying debris, sparks, rotating equipment, fire, electrical shocks
Task C-10 Uses oxy-fuel gas cutting (OFC) process for cutting and gouging
Task Descriptor
This task covers the selection and proper use of oxy-fuel equipment for cutting and gouging. Welders must be able to select the equipment to use according to the thickness of materials being cut. They must also be able to recognize hazards associated with this process.
This cutting process is cost-effective and versatile, requires no external power source and results in quality cuts. The equipment is portable and is used primarily for cutting carbon steel.
C-10.01 - Selects oxy-fuel cutting (OFC) gas and equipment
C-10.01 - Selects oxy-fuel cutting (OFC) gas and equipment
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| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-10.01.01P |
select oxy-fuel cutting (OFC) equipment |
OFC equipment is selected according to task |
| C-10.01.02P |
select type of regulator |
type of regulator is selected according to application and gas type |
| C-10.01.03P |
select type of torch and size of hoses |
type of torch and size of hoses are selected according to application |
| C-10.01.04P |
select type and size of tip |
type and size of tip are selected according to material thickness, application and gas type |
| C-10.01.05P |
select type of oxy-fuel gases |
type of oxy-fuel gases is selected according to availability and job task |
| C-10.01.06P |
identify and select oxygen and fuel cylinders/manifolds |
oxygen and fuel cylinders/manifolds are identified according to suppliers’ labels and selected according to volumetric requirement |
| C-10.01.07P |
select manual or mechanized torch cutting systems |
manual or mechanized torch cutting systems are selected according to application |
Range of Variables
- OFC equipment includes: torches, hoses, flashback arrestors, regulators, torch bodies, tips, mechanized oxy-fuel cutting equipment (bevellers, track cutters), fuel cylinders/manifolds, high-pressure cylinders, reverse-flow check valve
- types of regulators include: single- and two-stage, low- and high-pressure
- types of oxy-fuel gases include: acetylene, natural gas, propane, methylacetylene-propadiene (MPS), oxygen
- cutting systems include: track cutters (motorized carriage), pipe beveling cutters, automated cutting table
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-10.01.01L |
demonstrate knowledge of base metals, their characteristics and applications |
identify base metals, and describe their characteristics and applications |
| describe metallurgy of base metals |
| identify base metals that can and cannot be cut using OFC equipment |
| C-10.01.02L |
demonstrate knowledge of OFC gases and equipment, their characteristics, applications and operation |
identify OFC gases and equipment, and describe their characteristics and applications |
| describe operating principles of OFC gases and equipment |
| interpret and apply welding symbols and information pertaining to OFC processes found on drawings and specifications |
| identify types of regulators, and describe their characteristics and applications |
| identify types of oxy-fuel gases, and describe their characteristics and applications |
| identify oxygen and fuel cylinders/manifolds by suppliers’ labels, and describe their safety features, characteristics and applications |
| describe limitations of oxy-fuel cutting and gouging |
| identify manual or mechanized torch cutting systems |
| C-10.01.03L |
demonstrate knowledge of regulatory requirements pertaining to OFC gases and equipment |
identify codes, standards and regulations pertaining to OFC gases and equipment |
| C-10.01.04L |
demonstrate knowledge of emerging technologies related to OFC gases |
identify emerging technologies related to OFC gases, and describe their characteristics and applications |
Range of Variables
- OFC equipment includes: torches, hoses, flashback arrestors, regulators, torch bodies, tips, mechanized oxy-fuel cutting equipment (bevellers, track cutters), fuel cylinders/manifolds, high-pressure cylinders, reverse-flow check valve
- types of regulators include: single- and two-stage, low- and high-pressure
- types of oxy-fuel gases include: acetylene, natural gas, propane, methylacetylene-propadiene (MPS), oxygen
- characteristics (of oxy-fuel gas) include: oxygen to fuel gas ratio, maximum flame temperature, heat distribution of primary and secondary flame
- cutting systems include: track cutters (motorized carriage), pipe beveling cutters, automated cutting table
C-10.02 - Sets up oxy-fuel cutting (OFC) equipment
C-10.02 - Sets up oxy-fuel cutting (OFC) equipment
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-10.02.01P |
move and secure oxygen and fuel cylinders |
oxygen and fuel cylinders are moved and secured to prevent damage to cylinder and property, and injury |
| C-10.02.02P |
open cylinder valves and check for debris |
cylinder valves are opened and debris is removed according to manufacturers’ specifications |
| C-10.02.03P |
install OFC equipment (components and safety devices) |
OFC equipment (components and safety devices) are installed according to manufacturers’ specifications and jurisdictional regulations |
Range of Variables
- OFC equipment includes: torches, hoses, flashback arrestors, regulators, torch bodies, tips, automated oxy-fuel cutting equipment (bevellers, track cutters), fuel cylinders/manifolds, high-pressure cylinders, reverse-flow check valves
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-10.02.01L |
demonstrate knowledge of OFC equipment, their characteristics, applications and operation |
identify OFC equipment, and describe their characteristics and applications |
| describe operating principles of OFC equipment |
| interpret and apply welding symbols and information pertaining to OFC process found on drawings and specifications |
| identify types of regulators, and describe their characteristics and applications |
| identify types of oxy-fuel gases, and describe their characteristics and applications |
| identify oxygen and fuel cylinders/manifolds by suppliers’ labels, and describe their safety features, characteristics and applications |
| identify manual or mechanized torch cutting systems |
| C-10.02.02L |
demonstrate knowledge of procedures to set up OFC equipment |
identify hazards, and describe safe work practices pertaining to setup of OFC equipment |
| describe procedures to set up OFC equipment |
| distinguish between characteristics and applications of left- and right-hand threads for fuel gas and oxygen |
| describe procedures to secure oxygen and fuel cylinders in safe locations |
| identify locations and causes of flashbacks, backfires and leaks, and methods for prevention and solution |
| describe manufacturers’ specifications related to assembly and setup of OFC equipment |
| C-10.02.03L |
demonstrate knowledge of regulatory requirements pertaining to OFC gases and equipment |
identify standards and regulations pertaining to OFC gases and equipment |
| C-10.02.04L |
demonstrate knowledge of emerging technologies related to OFC gases |
identify emerging technologies related to OFC gases, and describe their characteristics and applications |
Range of Variables
- OFC equipment includes: torches, hoses, flashback arrestors, regulators, torch bodies, tips, automated oxy-fuel cutting equipment (bevellers, track cutters), fuel cylinders/manifolds, high-pressure cylinders, reverse-flow check valves
- type of regulators include: single- and two-stage, low- and high-pressure
- types of oxy-fuel gases include: acetylene, natural gas, propane, MPS, oxygen
- characteristics (of oxy-fuel gas) include: thermal volume, temperature output
- cutting systems include: track cutters (motorized carriage), pipe beveling cutters, automated cutting table
- hazards include: burns, sparks, eye hazards, fumes, high pressure cylinders, regulator blow-outs, critical explosion level, maximum safe working pressures
C-10.03 - Sets operating parameters for oxy fuel cutting (OFC) equipment
C-10.03 - Sets operating parameters for oxy fuel cutting (OFC) equipment
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-10.03.01P |
adjust working pressures on regulators |
working pressures on regulators are adjusted according to manufacturers’ recommendations |
| C-10.03.02P |
light torch and adjust oxygen |
torch is lit and oxygen is adjusted to fuel ratio to obtain correct type of flame according to application |
| C-10.03.03P |
verify operating parameters, and tip selection and operating condition |
operating parameters, and tip selection and operating condition are verified by performing trial cut and using manufacturers’ specifications and recommendations |
Range of Variables
- type of flame includes: neutral, carburizing, oxidizing
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-10.03.01L |
demonstrate knowledge of OFC equipment, their characteristics, applications and operation |
identify OFC equipment, and describe their characteristics and applications |
| describe operating principles of OFC equipment |
| interpret and apply welding symbols and information pertaining to OFC process found on drawings and specifications |
| identify types of flames, and describe their characteristics and applications |
| C-10.03.02L |
demonstrate knowledge of procedures to set operating parameters for OFC equipment |
identify hazards, and describe safe work practices pertaining to set operating parameters for OFC equipment |
| describe procedures to set operating parameters for OFC equipment |
| describe oxy-fuel pressure requirements for cutting |
| C-10.03.03L |
demonstrate knowledge of regulatory requirements pertaining to OFC gases and equipment |
identify standards and regulations pertaining to OFC gases and equipment |
| C-10.03.04L |
demonstrate knowledge of emerging technologies related to OFC gases |
identify emerging technologies related to OFC gases, and describe their characteristics and applications |
Range of Variables
- OFC equipment includes: torches, hoses, flashback arrestors, regulators, torch bodies, tips, automated oxy-fuel cutting equipment (bevellers, track cutters), fuel cylinders/manifolds, high-pressure cylinders, reverse-flow check valves
- type of flame includes: neutral, carburizing, oxidizing
- hazards include: burns, sparks, eye hazards, fumes, high pressure cylinders, regulator blow-outs, critical explosion level, maximum safe working pressures
C-10.04 - Performs cut and gouge using OFC equipment
C-10.04 - Performs cut and gouge using OFC equipment
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-10.04.01P |
start up equipment |
equipment is started up according to safe operating procedures and manufacturers’ recommendations |
| C-10.04.02P |
ignite fuel gas and adjust torch valves |
fuel gas is ignited and torch valves are adjusted according to type of flame for task |
| C-10.04.03P |
pre-heat material to kindling point |
material is pre-heated to kindling point to initiate cut |
| C-10.04.04P |
perform cut |
cut is performed according to task without defects or minimal deformations |
| C-10.04.05P |
identify and correct defects |
defects are identified and corrected to ensure quality of cut |
| C-10.04.06P |
adjust and maintain travel speed and torch angle |
travel speed and torch angle are adjusted and maintained according to factors to achieve a consistent cut or gouge |
| C-10.04.07P |
identify and correct backfire and flashback conditions |
backfire and flashback conditions are identified and corrected |
| C-10.04.08P |
shut down equipment |
equipment is shut down and purged according to safe operating procedures and manufacturers’ recommendations |
Range of Variables
- type of flame includes: neutral, carburizing, oxidizing
- factors include: base metal, thickness of base metal, heat input
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-10.04.01L |
demonstrate knowledge of base metals, their characteristics and applications |
identify base metals, and describe their characteristics and applications |
| describe base metal metallurgy |
| identify base metals that can and cannot be cut using OFC equipment |
| C-10.04.02L |
demonstrate knowledge of procedures to cut and gouge using OFC equipment |
identify hazards, and describe safe work practices pertaining to cutting and gouging using OFC equipment |
| identify OFC equipment used to cut and gouge, and describe their procedures for use |
| interpret and apply welding symbols and information pertaining to OFC process found on drawings and specifications |
| identify types and sizes of cutting and gouging tips, and describe their characteristics and applications |
| identify types of flames, and describe their characteristics and applications |
| describe procedures to cut and gouge material using OFC equipment |
| describe procedures to identify and correct defects |
| describe procedures to adjust and maintain travel speed and torch angle |
| describe procedures to correct backfire and flashback conditions |
| describe procedures to start up and shut down OFC equipment |
| C-10.04.03L |
demonstrate knowledge of regulatory requirements pertaining to OFC gases and equipment |
identify standards and regulations pertaining to OFC gases and equipment |
| C-10.04.04L |
demonstrate knowledge of emerging technologies related to OFC gases |
identify emerging technologies related to OFC gases, and describe their characteristics and applications |
Range of Variables
- OFC equipment includes: torches, hoses, flashback arrestors, regulators, torch bodies, tips, automated oxy-fuel cutting equipment (bevellers, track cutters), fuel cylinders/manifolds, high-pressure cylinders, reverse-flow check valves
- hazards include: burns, sparks, eye hazards, fumes, high pressure cylinders, regulator blow-outs, critical explosion level, maximum safe working pressures, confined space (release of explosive gas, asphyxiation)
- type of flame includes: neutral, carburizing, oxidizing
Task C-11 Uses plasma arc cutting (PAC) process for cutting and gouging
Task Descriptor
Welders use the PAC process to cut ferrous and non-ferrous material; it provides clean cuts with minimal distortion and a small heat‑affected zone in the material. Typically, this process requires minimal clean-up following the cutting operation.
C-11.01 - Selects PAC equipment and consumables
C-11.01 - Selects PAC equipment and consumables
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-11.01.01P |
select PAC equipment and components |
PAC equipment and components are selected according to application, amperage range, thickness and type of material |
| C-11.01.02P |
select PAC consumables |
PAC consumables are selected according to cutting or gouging requirements |
| C-11.01.03P |
select air or gas |
air or gas is selected according to type of material, application and quality of cut or gouge |
Range of Variables
- PAC equipment includes: power source, track and pipe beveling cutters, manual, semi-automatic, automatic, shields, compressor
- components include: heat shield, torch bodies, hoses, work lead clamp
- consumables include: electrodes, constricting nozzles (tips)
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-11.01.01L |
demonstrate knowledge of base metals, their characteristics and applications |
identify base metals, and describe their characteristics and applications |
| describe base metal metallurgy |
| C-11.01.02L |
demonstrate knowledge of PAC equipment and components, their consumables, characteristics, applications and operation |
identify PAC equipment and components, and describe their characteristics and applications |
| interpret and apply welding symbols and information pertaining to PAC process found on drawings and specifications |
| describe operating principles of PAC equipment |
| interpret information pertaining to gouging using PAC systems found in drawings and specifications |
| identify PAC consumables, and describe their characteristics and applications |
| describe fundamentals of PAC process |
| identify power sources, and describe their characteristics and applications |
| describe compressed air and gas supply characteristics and applications |
| identify air dryers and filters required on compressed air supply |
| identify coolant level for liquid-cooled equipment |
| describe travel speed |
Range of Variables
- PAC equipment includes: power source, track and pipe beveling cutters, manual, semi-automatic, automatic, shields, compressor
- components include: heat shield, torch bodies, hoses, work lead clamp
- consumables include: electrodes, constricting nozzles (tips)
C-11.02 - Sets up PAC equipment
C-11.02 - Sets up PAC equipment
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NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-11.02.01P |
visually inspect PAC equipment and components for damage |
PAC equipment and components are visually inspected for damage |
| C-11.02.02P |
assemble PAC consumables on torch head |
PAC consumables are assembled on torch head according to manufacturers’ specifications or recommendations |
| C-11.02.03P |
connect torch to power source |
torch is connected to power source |
| C-11.02.04P |
set up regulator |
regulator is set up according to manufacturers’ specifications |
| C-11.02.05P |
attach work lead clamp to base metal |
work lead clamp is attached to base metal to ensure proper electrical connection |
| C-11.02.06P |
adjust power supply |
power supply is adjusted according to base metal application |
Range of Variables
- PAC equipment includes: power source, track and pipe beveling cutters, manual, semi-automatic, automatic, shields, compressor
- components include: heat shield, torch bodies, hoses, work lead clamp
- consumables include: electrodes, constricting nozzles (tips)
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-11.02.01L |
demonstrate knowledge of PAC equipment and components, their consumables, characteristics, applications and operation |
identify PAC equipment, components and consumables, and describe their characteristics and applications |
| describe operating principles of PAC equipment |
| interpret and apply welding symbols and information pertaining to PAC process found on drawings and specifications |
| identify regulators, and describe their characteristics and applications |
| identify power sources, and describe their characteristics and applications |
| C-11.02.02L |
demonstrate knowledge of procedures to set up PAC equipment, components and consumables |
identify hazards, and describe safe work practices pertaining to setting up PAC equipment |
| describe procedures to set up PAC equipment, components and consumables |
| describe procedures to control waste and recycle components and consumables |
| C-11.02.03L |
demonstrate knowledge of training and certification requirements for PAC equipment |
identify training and certification requirements for PAC equipment |
| identify training and certification requirements and limitations pertaining to setting up primary wiring for PAC equipment |
Range of Variables
- PAC equipment includes: power source, track and pipe beveling cutters, manual, semi-automatic, automatic, shields, compressor
- components include: heat shield, torch bodies, hoses, work lead clamp
- consumables include: electrodes, constricting nozzles (tips)
- hazards include: fumes, burns, sparks, electrical shocks, noise, radiation
C-11.03 - Sets operating parameters for PAC equipment
C-11.03 - Sets operating parameters for PAC equipment
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-11.03.01P |
set amperage |
amperage is set according to base metal grade and thickness |
| C-11.03.02P |
set air pressure |
air pressure is set according to manufacturers’ specifications |
| C-11.03.03P |
set travel speed |
travel speed is set on semi-automatic and automatic PAC equipment according to material type and thickness |
| C-11.03.04P |
verify for cut defects |
cut defects are verified by performing trial cut and using manufacturers’ specifications and recommendations |
Range of Variables
- PAC equipment includes: power source, track and pipe beveling cutters, manual, semi-automatic, automatic, shields, compressor
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-11.03.01L |
demonstrate knowledge of PAC equipment and components, their consumables, characteristics, applications and operation |
identify PAC equipment, components and consumables, and describe their characteristics and applications |
| describe operating principles of PAC equipment |
| interpret and apply welding symbols and information pertaining to PAC process found on drawings and specifications |
| identify amperages, and describe their characteristics and applications |
| identify amount of air pressure required, and describe its effects on cut or gouge |
| identify travel speed required, and describe its effects on cut or gouge |
| C-11.03.02L |
demonstrate knowledge of procedures to set operating parameters for PAC equipment |
identify hazards, and describe safe work practices pertaining to setting operating parameters for PAC equipment |
| describe procedures to set operating parameters for PAC equipment |
| describe procedures to control waste and recycle components and consumables |
| identify safe working pressures |
Range of Variables
- PAC equipment includes: power source, track and pipe beveling cutters, manual, semi-automatic, automatic, shields, compressor
- components include: heat shield, torch bodies, hoses, work lead clamp
- consumables include: electrodes, constricting nozzles (tips)
- hazards include: fumes, burns, sparks, electrical shocks, noise, radiation
C-11.04 - Performs cut and gouge using PAC equipment
C-11.04 - Performs cut and gouge using PAC equipment
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-11.04.01P |
start up equipment |
equipment is started up according to safe operating procedures and manufacturers’ recommendations |
| C-11.04.02P |
apply PAC techniques |
PAC techniques are applied |
| C-11.04.03P |
identify and correct defects |
defects are identified and corrected to ensure quality of cut or gouge |
| C-11.04.04P |
replace damaged or worn PAC equipment, components and consumables |
damaged or worn PAC equipment, components and consumables are replaced |
| C-11.04.05P |
adjust and maintain travel speed |
travel speed is adjusted and maintained taking into consideration factors to achieve consistent cut or gouge |
| C-11.04.06P |
identify equipment malfunctions |
equipment malfunctions are identified and corrected |
| C-11.04.07P |
use jigs and guides during cutting operations |
jigs and guides are used during cutting operations |
| C-11.04.08P |
shut down equipment |
equipment is shut down according to safe operating procedures and manufacturers’ recommendations |
Range of Variables
- PAC techniques include: initiating the arc and cut, starting at the correct stand-off distance
- PAC equipment includes: power source, track and pipe beveling cutters, manual, semi-automatic, automatic, shields, compressor
- components include: heat shield, torch bodies, hoses, work lead clamp
- consumables include: electrodes, constricting nozzles (tips)
- factors include: type and thickness of base metal, heat input
- malfunctions include: low gas pressure, inadequate or poor work lead connection
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-11.04.01L |
demonstrate knowledge of base metals, their characteristics and applications |
identify base metals, and describe their characteristics and applications |
| describe base metal metallurgy |
| C-11.04.02L |
demonstrate knowledge of procedures to cut using PAC equipment |
identify hazards, and describe safe work practices pertaining to cutting and gouging using PAC equipment |
| interpret and apply welding symbols and information pertaining to PAC process found on drawings and specifications |
| C-11.04.03L |
demonstrate knowledge of procedures to set up PAC equipment, components and consumables |
identify PAC equipment, components and consumables used to cut and gouge, and describe procedures for use |
| describe procedures and techniques to cut and gouge material using PAC equipment |
| describe procedures to identify and correct defects |
| describe procedures to adjust and maintain travel speed and torch angl |
| identify cutting aids, jigs and guides used during cutting operations, and describe their characteristics and applications |
| describe procedures to start up and shut down PAC equipment |
| describe procedures to control waste and recycle PAC components and consumables |
Range of Variables
- PAC equipment includes: power source, track and pipe beveling cutters, manual, semi-automatic, automatic, shields, compressor
- hazards include: fumes, burns, sparks, electrical shocks, noise, radiation
- components include: heat shield, torch bodies, hoses, work lead clamp
- consumables include: electrodes, constricting nozzles (tips)
- PAC techniques include: initiating the arc and cut, starting at the correct stand-off distance
- cutting aids include: stand-off, circle cutting attachments, drag nozzle
Task C-12 Uses air carbon arc cutting (CAC-A) process for cutting and gouging
Task Descriptor
The CAC-A process is used for bevel preparation and removing welds. It can also be used for back gouging. This process is a fast and efficient method of gouging metals. It is also used for removing cracks, repair and demolition.
C-12.01 - Selects CAC-A equipment and consumables
C-12.01 - Selects CAC-A equipment and consumables
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-12.01.01P |
select CAC-A equipment and components |
CAC-A equipment and components are selected according to application, amperage range, thickness and type of material |
| C-12.01.02P |
select power source |
power source is selected according to application |
| C-12.01.03P |
select gouging torches and work lead clamps |
gouging torches and work lead clamps are selected according to amperage and size of electrode |
| C-12.01.04P |
select type of carbon electrode |
type of carbon electrode is selected according to application and base metal |
| C-12.01.05P |
select size of carbon electrodes |
size of carbon electrodes is selected according to amount of material to be removed |
| C-12.01.06P |
select air supply |
air supply with sufficient volume and pressure is selected according to application |
Range of Variables
- CAC-A equipment includes: power source, compressor
- components include: hoses, electrode holder, cables, work lead clamp
- types of carbon electrodes include: coated, non-coated, flat, round, half-round, alternating current (AC), direct current (DC)
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-12.01.01L |
demonstrate knowledge of base metals, their characteristics and applications |
identify base metals, and describe their characteristics and applications |
| describe base metal metallurgy |
| identify base metals that can and cannot be cut or gouged using CAC-A equipment |
| C-12.01.02L |
demonstrate knowledge of CAC-A equipment and components, and types of carbon electrodes, their characteristics, applications and operation |
identify CAC-A equipment and components, and describe their characteristics and applications |
| describe operating principles of CAC-A equipment |
| identify types of carbon electrodes, and describe their characteristics and applications |
| interpret and apply welding symbols and information pertaining to CAC-A process found on drawings and specifications |
| identify power sources, and describe their characteristics and applications |
| identify types of torches and work lead clamps, and describe their characteristics and applications |
| identify amount of air pressure required, and describe its effects on cuts or gouges |
Range of Variables
- CAC-A equipment includes: power source, compressor
- components include: hoses, electrode holder, cables, work lead clamp
- types of carbon electrodes include: coated, non-coated, flat, round, half-round, alternating current (AC), direct current (DC)
C-12.02 - Sets up CAC-A equipment
C-12.02 - Sets up CAC-A equipment
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-12.02.01P |
visually inspect equipment and components for damage |
equipment and components are visually inspected for damage |
| C-12.02.02P |
attach CAC-A components to power source |
CAC-A components are attached to power source according to manufacturers’ recommendations, current type and application
|
| C-12.02.03P |
attach CAC-A components to air supply |
CAC-A components are attached to air supply |
| C-12.02.04P |
attach work lead clamp to base metal |
work lead clamp is attached to base metal to ensure proper electrical connection |
Range of Variables
- components include: hoses, electrode holder, cables, work lead clamp
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-12.02.01L |
demonstrate knowledge of CAC-A equipment and components, their characteristics, applications and operation |
identify CAC-A equipment and components, and describe their characteristics and applications |
| interpret and apply welding symbols and information pertaining to CAC-A process found on drawings and specifications |
| identify power sources, and describe their characteristics and applications |
| identify amount of air pressure required, and describe its effects on cuts or gouges |
| C-12.02.02L |
demonstrate knowledge of procedures to set up CAC-A equipment |
identify hazards, and describe safe work practices pertaining to setup of CAC-A equipment |
| describe procedures to set up CAC-A equipment and components |
| describe procedures to control waste |
Range of Variables
- CAC-A equipment includes: power source, compressor
- components include: hoses, electrode holder, cables, work lead clamp
- hazards include: fumes, burns, sparks, electrical shocks, noise, radiation, molten material
C-12.03 - Sets operating parameters for CAC-A equipment
C-12.03 - Sets operating parameters for CAC-A equipment
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-12.03.01P |
set amperage |
amperage is set according to size, shape, type of carbon electrodes and manufacturers’ specifications |
| C-12.03.02P |
adjust regulator |
regulator is adjusted to provide sufficient air pressure to CAC-A components |
| C-12.03.03P |
verify operating parameters and electrode selection |
operating parameters and electrode selection are verified by performing trial cut or gouge and using manufacturers’ specifications and recommendations |
Range of Variables
- components include: hoses, electrode holder, cables, work lead clamp
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-12.03.01L |
demonstrate knowledge of CAC-A equipment, components and electrodes, their characteristics, applications and operation |
identify CAC-A equipment, components and electrodes, and describe their characteristics and applications |
| describe operating principles of CAC-A equipment |
| interpret and apply welding symbols and information pertaining to CAC-A process found on drawings and specifications |
| identify electrical characteristics of CAC-A equipment and electrodes, and describe their applications |
| C-12.03.02L |
demonstrate knowledge of procedures to set operating parameters for CAC-A equipment |
identify hazards, and describe safe work practices pertaining to setting operating parameters for CAC-A equipment |
| describe procedures to set operating parameters for CAC-A equipment |
Range of Variables
- CAC-A equipment includes: power source, compressor
- components include: hoses, electrode holder, cables, work lead clamp
- electrical characteristics include: current type, duty cycle
- hazards include: fumes, burns, sparks, electrical shocks, noise, radiation, molten material
C-12.04 - Performs cut and gouge using CAC-A equipment
C-12.04 - Performs cut and gouge using CAC-A equipment
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-12.04.01P |
start up CAC-A equipment |
CAC-A equipment is started up according to safe operating procedures and manufacturers’ recommendations |
| C-12.04.02P |
insert electrode into holder |
electrode is inserted into holder according to operating procedures |
| C-12.04.03P |
maintain electrode to work angle |
electrode to work angle is maintained according to application |
| C-12.04.04P |
adjust carbon electrode stick-out during use |
carbon electrode stick-out is adjusted during use according to manufacturers’ recommendations |
| C-12.04.05P |
maintain travel speed |
travel speed is maintained according to application |
| C-12.04.06P |
identify defects after gouging |
defects are identified according to inspection after gouging |
| C-12.04.07P |
clean material |
material is cleaned after gouging using grinding techniques |
| C-12.04.08P |
shut down CAC-A equipment |
CAC-A equipment is shut down according to safe operating procedures and manufacturers’ recommendations |
Range of Variables
- CAC-A equipment includes: power source, compressor
- application includes: depth and width of gouge, cutting, removing material
- defects include: copper and carbon deposits, poor gouge quality
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-12.04.01L |
demonstrate knowledge of base metals, their characteristics and applications |
identify base metals, and describe their characteristics and applications |
| describe base metal metallurgy |
| identify base metals that can and cannot be cut or gouged using CAC-A process |
| C-12.04.02L |
demonstrate knowledge of procedures to cut and gouge using CAC-A equipment, components and process |
identify hazards, and describe safe work practices pertaining to cutting and gouging using CAC-A process |
| identify CAC-A equipment and components used to cut and gouge, and describe their procedures for use |
| interpret and apply welding symbols and information pertaining to CAC-A process found on drawings and specifications |
| describe procedures to cut and gouge material using CAC-A process |
| describe procedures to adjust and maintain travel speed and torch angle |
| describe procedures to identify defects after gouging |
| describe procedures to clean material using grinding techniques |
| describe procedures to shut down CAC-A equipment |
| describe procedures to control waste |
Range of Variables
- CAC-A equipment includes: power source, compressor
- components include: hoses, electrode holder, cables, work lead clamp
- hazards include: fumes, burns, sparks, electrical shocks, noise, radiation, molten material
- defects include: copper and carbon deposits, poor gouge quality