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Unit of competency details

MEM05052A - Apply safe welding practices (Release 1)

Summary

Usage recommendation:
Superseded
Mapping:
MappingNotesDate
Is superseded by and equivalent to MEM05052 - Apply safe welding practicesSupersedes and is equivalent to MEM05052A Apply safe welding practices 25/Jun/2019

Release Status:
Current
Releases:
ReleaseRelease date
1 1 (this release) 01/Dec/2005

Accredited courses that have this unit in the completion mapping

Training packages that include this unit

CodeTitleSort Table listing Training packages that include this unit by the Title columnRelease
UEP12 - Electricity Supply Industry - Generation Sector Training PackageElectricity Supply Industry - Generation Sector Training Package 2.0-2.1 
UEP - Electricity Supply Industry - Generation Sector Training PackageElectricity Supply Industry - Generation Sector Training Package 1.0 
UEG - Gas Industry Training PackageGas Industry Training Package 1.0 
MSA07 - Manufacturing Training PackageManufacturing Training Package 6.0-8.4 
MEM05 - Metal and Engineering Training PackageMetal and Engineering Training Package 3.0-11.1 
MEA11 - Aeroskills Training PackageAeroskills Training Package 2.0 
MEA - Aeroskills Training PackageAeroskills Training Package 1.1-4.0 
LMT07 - Textiles, Clothing and Footwear Training PackageTextiles, Clothing and Footwear Training Package 3.1-4.1 
AUR05 - Automotive Industry Retail, Service and Repair Training PackageAutomotive Industry Retail, Service and Repair Training Package 3.0-4.0 
AHC10 - Agriculture, Horticulture and Conservation and Land ManagementAgriculture, Horticulture and Conservation and Land Management 4.0-8.0 

Qualifications that include this unit

CodeTitleSort Table listing Qualifications that include this unit by the Title columnRelease
UEP50318 - Diploma of ESI Generation (Maintenance)Diploma of ESI Generation (Maintenance) 
UEP50312 - Diploma of ESI Generation (Maintenance)Diploma of ESI Generation (Maintenance) 1-3 
UEP40418 - Certificate IV in ESI Generation Maintenance (Fabrication)Certificate IV in ESI Generation Maintenance (Fabrication) 
UEP40412 - Certificate IV in ESI Generation Maintenance (Fabrication)Certificate IV in ESI Generation Maintenance (Fabrication) 1-3 
UEG40118 - Certificate IV in Gas Supply Industry OperationsCertificate IV in Gas Supply Industry Operations 
UEG30118 - Certificate III in Gas Supply Industry OperationsCertificate III in Gas Supply Industry Operations 
MSA30610 - Certificate III in Recreational Vehicle ManufactureCertificate III in Recreational Vehicle Manufacture 1-5 
MSA20610 - Certificate II in Recreational Vehicle ManufactureCertificate II in Recreational Vehicle Manufacture 1-5 
MEM50105 - Diploma of Engineering - Advanced TradeDiploma of Engineering - Advanced Trade 1-5 
MEM40105 - Certificate IV in EngineeringCertificate IV in Engineering 1-4 
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Skill sets that include this unit

CodeTitleSort Table listing Skill sets that include this unit by the Title columnRelease
MEASS00392 - MTA045 Aircraft welding using the manual metal arc welding process - titanium alloysMTA045 Aircraft welding using the manual metal arc welding process - titanium alloys 1-2 
MEASS00391 - MTA044 Aircraft welding using the manual metal arc welding process - copper based alloysMTA044 Aircraft welding using the manual metal arc welding process - copper based alloys 1-2 
MEASS00390 - MTA043 Aircraft welding using the manual metal arc welding process - nickel alloysMTA043 Aircraft welding using the manual metal arc welding process - nickel alloys 1-2 
MEASS00389 - MTA042 Aircraft welding using manual metal arc welding process - corrosion and heat resisting steelsMTA042 Aircraft welding using manual metal arc welding process - corrosion and heat resisting steels 1-2 
MEASS00388 - MTA041 Aircraft welding using the manual metal arc welding process - carbon and low alloy steelsMTA041 Aircraft welding using the manual metal arc welding process - carbon and low alloy steels 1-2 
MEASS00387 - MTA040 Aircraft welding using the manual metal arc welding process - magnesium alloysMTA040 Aircraft welding using the manual metal arc welding process - magnesium alloys 1-2 
MEASS00386 - MTA039 Aircraft welding using the manual metal arc welding process - aluminium alloysMTA039 Aircraft welding using the manual metal arc welding process - aluminium alloys 1-2 
MEASS00385 - MTA038 Aircraft welding using the plasma arc welding process - titanium alloysMTA038 Aircraft welding using the plasma arc welding process - titanium alloys 1-2 
MEASS00384 - MTA037 Aircraft welding using the plasma arc welding process - copper based alloysMTA037 Aircraft welding using the plasma arc welding process - copper based alloys 1-2 
MEASS00383 - MTA036 Aircraft welding using the plasma arc welding process - nickel alloysMTA036 Aircraft welding using the plasma arc welding process - nickel alloys 1-2 
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Classifications

SchemeCodeClassification value
ASCED Module/Unit of Competency Field of Education Identifier 061301 Occupational Health And Safety  

Classification history

SchemeCodeClassification valueStart dateEnd date
ASCED Module/Unit of Competency Field of Education Identifier 061301 Occupational Health And Safety  31/Aug/2006 
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Modification History

Not Applicable

Unit Descriptor

Unit descriptor 

This unit covers identifying risks associated with welding operations and implementing hazard reduction practices.

Application of the Unit

Application of the unit 

This unit applies to gas and electric arc welding. It includes the identification of risks associated with welding all commonly used metals and implementation of techniques used to reduce or eliminate welding hazards.

Band :

Unit Weight :

Licensing/Regulatory Information

Not Applicable

Pre-Requisites

Prerequisite units 

Employability Skills Information

Employability skills 

This unit contains employability skills.

Elements and Performance Criteria Pre-Content

Elements describe the essential outcomes of a unit of competency.

Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the required skills and knowledge section and the range statement. Assessment of performance is to be consistent with the evidence guide.

Elements and Performance Criteria

ELEMENT 

PERFORMANCE CRITERIA 

1. Access and interpret OH&S information

1.1. OH&S information is obtained and interpreted.

1.2. Relevant OH&S legislation is identified.

1.3. Work related safety information is obtained and interpreted.

2. Identify risks associated with welding

2.1. Pollutants formed by welding processes are identified.

2.2. Occupational diseases and injuries which may be associated with welding are identified.

2.3. Factors associated with increased risk are identified.

2.4. Exposure levels for pollutants are identified.

2.5. Risks and potential health effects associated with specific metals are identified.

2.6. Risks and potential health effects associated with gases in welding are identified.

2.7. Other hazards of welding are identified.

3. Reduce risks associated with welding

3.1. Manual handling techniques are used.

3.2. Personal protective equipment is used correctly.

3.3. Procedures to control hazards are implemented.

3.4. Workplace safety procedures are implemented.

3.5. Workplace safety non-compliances are reported in accordance with workplace procedures.

Required Skills and Knowledge

REQUIRED SKILLS AND KNOWLEDGE 

This section describes the skills and knowledge required for this unit.

Required skills 

Look for evidence that confirms skills in:

  • sourcing and interpreting safety-related information and Material Safety Data Sheets (MSDS)
  • planning and sequencing operations
  • identifying workplace risks and nonconformances
  • reporting workplace risks and nonconformances
  • checking and clarifying task-related information

Required knowledge 

Look for evidence that confirms knowledge of:

  • characteristics and properties of common metals and welding materials
  • effect of gas and electrical welding operations on metals
  • hazards and control measures associated with gas and electrical welding, including housekeeping
  • welding safety practices and procedures
  • effect of various treatments on a range of commonly used metals
  • use and application of personal protective equipment

Evidence Guide

EVIDENCE GUIDE 

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.

Overview of assessment 

A person who demonstrates competency in this unit must be able to apply safe welding practices.

Critical aspects for assessment and evidence required to demonstrate competency in this unit 

Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria, including required knowledge, and be capable of applying the competency in new and different situations and contexts.

Context of and specific resources for assessment 

This unit may be assessed on the job, off the job or a combination of both on and off the job. Where assessment occurs off the job, that is the candidate is not in productive work, then an appropriate simulation must be used where the range of conditions reflects realistic workplace situations. The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team. The assessment environment should not disadvantage the candidate.

This unit could be assessed in conjunction with any other units addressing the safety, quality, communication, materials handling, recording and reporting associated with applying safe welding practices or other units requiring the exercise of the skills and knowledge covered by this unit.

Method of assessment 

Assessors should gather a range of evidence that is valid, sufficient, current and authentic. Evidence can be gathered through a variety of ways including direct observation, supervisor's reports, project work, samples and questioning. Questioning techniques should not require language, literacy and numeracy skills beyond those required in this unit of competency. The candidate must have access to all tools, equipment, materials and documentation required. The candidate must be permitted to refer to any relevant workplace procedures, product and manufacturing specifications, codes, standards, manuals and reference materials.

Guidance information for assessment 

Range Statement

RANGE STATEMENT 

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

OH &S information 

  • National Occupational Health and Safety Commission guidelines
  • Organisational OH&S practices and procedures manuals
  • Australian/New Zealand and ISO standards
  • Company risk management policy
  • Codes of practice
  • Australian dangerous goods legislation
  • Trade practices
  • Occupational Health and Safety reporting requirements
  • Weld procedures

Work related safety information 

  • Standard operating procedures
  • Material safety data sheets (MSDSs)
  • Job sheets
  • Emergency procedures
  • Safety standards and procedures

Pollutants 

  • Nitrogen oxides
  • Ozone
  • Metal fumes etc.
  • Lead oxide
  • Silicon oxide
  • Calcium fluoride
  • Calcium oxide
  • Magnesium oxide
  • Sodium oxide
  • Potassium oxides
  • Carbon dioxide
  • Organics
  • Iron
  • Manganese
  • Calcium carbonate
  • Zirconium oxide
  • Titanium oxide
  • Hexavalent chromium

Occupational diseases and injuries 

  • Eye injuries
  • Skin damage
  • Respiratory irritations
  • Chronic effects
  • Allergies

Factors 

  • Gas leakage from cylinders
  • Type of consumable and metals used
  • Type of welding processes
  • Type of electrodes
  • Welding current
  • Voltage and amperage
  • Ventilation
  • Contamination
  • Interaction of chemicals
  • Exposure levels
  • Flammability

Exposure levels 

  • Time Weighted Average
  • Short Term Exposure Limit (STEL)
  • Maximum Allowable Concentration (MAC) or Threshold Limit Value - Ceiling (TLV-C)
  • Skin Notation

Specific metals 

  • Aluminium
  • Antimony
  • Arsenic
  • Beryllium
  • Boron
  • Cadmium
  • Chromium
  • Copper
  • Cobalt
  • Iron
  • Lead
  • Lithium
  • Magnesium
  • Manganese
  • Mercury
  • Molybdenum
  • Nickel
  • Platinum
  • Selenium
  • Silver
  • Thorium
  • Tin
  • Titanium
  • Tungsten
  • Vanadium
  • Zinc
  • Zirconium

Gases 

  • Acetylene
  • Argon
  • Carbon dioxide
  • Carbon monoxide
  • Helium
  • Nitrogen oxides
  • Ozone
  • Phosgene
  • Phosphine
  • Stibine

Other hazards 

  • Fluxes
  • Electro-magnetic radiation
  • Electric shock
  • Sparks
  • Spatter
  • Contaminated and coated metals
  • Gas cylinder and electrical hazards
  • Confined spaces
  • Noise
  • Chemical exposure
  • Solvents
  • Musculoskeletal, back and overuse injuries
  • Vibration
  • Dusts
  • Heat stress
  • Ultraviolet radiation
  • Airborne pollutants
  • Flammable gases
  • Infrared radiation
  • Thermal damage

Manual handling techniques 

  • Housekeeping practices
  • Lifting weight limits
  • Appropriate storage
  • Use of lifting devices
  • Appropriate training
  • Hazardous materials storage standards and procedures

Personal protective equipment 

  • Respirators
  • Ear muffs
  • Protective clothing
  • Gloves
  • Boots
  • Helmets
  • Eye protection
  • Face shields

Procedures to control hazards 

  • Substituting hazardous materials with safer materials
  • Changing workplace design to eliminate hazards
  • Modifying work practices to reduce exposure
  • Using personal protective equipment
  • Using adequate and appropriate ventilation

Workplace safety measures 

  • Shielding requirements
  • Ventilation
  • General and diluted
  • Local exhaustion
  • Use of personal protective equipment
  • Checking equipment condition
  • Equipment maintenance
  • Correct operation of equipment
  • Correct voltage and electrical connections
  • Good posture
  • Fire safety, plant and equipment isolation
  • Communications with appropriate personnel

Unit Sector(s)

Unit sector 

Co-requisite units

Co-requisite units 

Competency field

Competency field 

Fabrication