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Elements and Performance Criteria

1. Determine job requirements
   • Follow standard operating procedures (SOPs)
   • Comply with work health and safety (WHS) requirements at all times, including appropriate risk control measures
   • Use appropriate personal protective equipment (PPE) in accordance with SOPs
   • Identify job requirements from specifications, drawings, job sheets or work instructions
2. Prepare to work in hazardous areas
   • Ascertain and interpret the area classification regarding zoning, gas group and temperature class from hazardous area layout drawings
   • Identify factors that may affect the classification of an area
   • Identify relevant hazards specific to hazardous areas and implement appropriate risk control measures
   • Obtain specialist tools, equipment and testing devices needed to carry out maintenance work
3. Work in hazardous areas
   • Carry out maintenance work in accordance with specifications and procedures
   • Check and test equipment to ensure functionality and complies with appropriate documentation
   • Identify hazardous area defective and unsuitable equipment and components for the application and source replacement items with the appropriate equipment certification
   • Carry out adjustment and/or permitted repairs to equipment using appropriate tools, equipment and techniques to specifications
4. Complete work in hazardous areas
   • Ensure all completed work and testing complies with the relevant EEHA Standards
   • Record all inspection and maintenance activities according to established procedures and regulatory requirements

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.
Compliance with relevant EEHA Standards includes:	hazardous area classification of the area regarding zone, gas group and temperature class factors affecting the zoning of an area protection technique of the equipment ex-certification competency requirements for personnel working on the equipment and the required supervision which repairs to the equipment may be restricted unauthorised modifications manufacturer specifications

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy the requirements of the elements and performance criteria on at least two (2) occasions and include:

following work instructions, SOPs and safe work practices

obtaining the relevant work permits and informing appropriate personnel prior to commencing work

identifying and interpreting hazardous layout drawings and interpreting markings of hazardous areas classifications relevant to the work to be undertaken

identifying hazards specific to hazardous areas and implementing appropriate risk control measures

checking and testing equipment to ensure functionality of equipment

identifying defective or unsuitable equipment and sourcing replacement items with the correct equipment certification

carrying out adjustments or permitted repairs using appropriate tools, equipment and techniques in accordance with procedures and specifications

ensuring all completed work and testing complies with the relevant EEHA standard along with equipment conformity certificate requirements and special conditions

documenting all inspection and maintenance work in accordance regulatory requirements and SOPs.

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Knowledge Evidence

Evidence required to demonstrate the required knowledge for this unit must be relevant to and satisfy the requirements of the elements and performance criteria and include knowledge of:

safe work practices and procedures and use of PPE

history and reasoning behind the EEHA Standards and accreditation creation

aspects of hazardous area classification regarding zoning, gas group and temperature class

markings of classifications on technical drawings

situations which may alter the source of release conditions, thereby affecting the classification of an area

hazards specific to hazardous areas

different methods of protection, including:

Ex-d

Ex-e

Ex-n

Ex-l

Ex-p

Ex-m

relationship between the classification ratings of the equipment to the classification ratings of the area

importance of earthing

testing and certifying bodies, including International Electrotechnical Commission (IEC), Ex, ATEX, AUSEx, CSA and Fm

documentation required for inspections.

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