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Elements and Performance Criteria

1. Plan rubber lining or lagging work
   • Review specifications and work order documentation
   • Identify hazards and risk controls, including emergency evacuation and adequate ventilation, including breathing apparatus, where required
   • Plan work, including materials, sequences, times and process stages
   • Plan to minimise downtime, economically use materials and meet repair quality specifications
   • Assemble equipment, tools and materials required, checking them for condition, quality and compliance tags
2. Prepare surfaces for rubber lining or lagging
   • Lay out materials in an appropriate contamination free area
   • Ensure materials are clean and free of debris and damage
   • Identify non-conforming materials and report, as required
   • Examine component, vessel or pulley and ensure the surfaces to be lined or lagged are free of defects and contaminants
   • Plan the sequence for application of the adhesives and materials
   • Prepare lining or lagging surfaces
   • Monitor surface coatings for setting time and manage the staggered supply of adhesives and materials, where appropriate
3. Lay up rubber lining or lagging
   • Ensure adequate ventilation is provided and monitored during the laying up process
   • Monitor any confined space activity and conform to regulations and procedures
   • Position lining/lagging segments according to the lay-up plan
   • Exclude entrapped air and ensure complete contact between the lining/lagging and surface is obtained
   • Ensure joins are sealed and adhered properly with no gaps or overlaps
   • Check for slips, sagging or other separation of the lining/lagging from the surface
   • Ensure lining/lagging material is finished off as required at the extremities
   • Cure rubber lining/lagging where appropriate
4. Clean work area
   • Clean, inspect and store tools and equipment used
   • Tag unserviceable tools and equipment, identify faults and inform relevant personnel
   • Clean work area and return to approved condition
   • Dispose of waste or recycle according to procedures
   • Complete appropriate workplace documentation
5. Respond to routine problems to procedures
   • Recognise known faults that occur during the operation
   • Identify and take action on causes of routine faults
   • Log problems as required
   • Identify non-routine process and quality problems and take appropriate action

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.
Regulatory framework	The latest version of all legislation, regulations, industry codes of practice and Australian/international standards, or the version specified by the local regulatory authority, must be used. Applicable legislation, regulations, standards and codes of practice include: health, safety and environmental (HSE) legislation, regulations and codes of practice relevant to the workplace, equipment and production processes and hazardous materials Australian/international standards relevant to the materials being used and products being made any relevant licence and certification requirements. All operations to which this unit applies are subject to stringent HSE requirements, which may be imposed through state/territory or federal legislation, and these must not be compromised at any time. Where there is an apparent conflict between performance criteria and such requirements the legislative requirements take precedence.
Procedures	All operations must be performed in accordance with relevant procedures. Procedures are written, verbal, visual, computer-based or in some other form, and include one or any combination of: emergency procedures work instructions standard operating procedures (SOPs) safe work method statements (SWMS) formulae/recipes batch sheets temporary instructions any similar instructions provided for the smooth running of the plant.
Tools and equipment	Tools and equipment include one or more of: hand tools (e.g. spanners, wrenches and hammers) knives and other trimming devices hoists/lifting equipment not requiring any special permits or licences rollers and other surface compression tools ventilation equipment (e.g. fans) relevant personal protective equipment (PPE).
Hazards	Hazards must be identified and controlled. Identifying hazards requires consideration of: confined spaces working at heights blades and cutting equipment weight, shape, volume of materials to be handled hazardous products and materials sharp edges, protrusions or obstructions slippery surfaces, spills or leaks rotational equipment or vibration smoke, dust, vapours or other atmospheric hazards electricity gas gases and liquids under pressure structural hazards equipment failures machinery, equipment and product mass other hazards that might arise.
Routine problems	Routine problems must be resolved by applying known solutions. Routine problems are predictable and include one or more of: variations in materials incorrectly cut material shapes contamination of materials contamination of the surfaces to be lined or lagged physical size and complexity of some components entrapped air gaps between lining segments inappropriate laps or joins. Known solutions are drawn from one or more of: procedures training remembered experience. Non-routine problems must be reported according to according to relevant procedures.

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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 and demonstrate the ability to:

read and interpret procedures, job specifications, material labels and safety data sheets (SDS)

select and use tools, equipment and materials to meet job specifications

prepare surfaces, adhesives and materials

lay up, join and cure lining or lagging to meet specifications

monitor equipment operation

monitor key variables, including:

compatibility of materials, adhesives, solvents and cleaning agents

cleanliness and condition of lining/lagging materials

effect of surface condition of the component on the quality of the lining/lagging

identify hazards and apply relevant hazard controls

apply safety procedures

apply housekeeping procedures

apply waste management procedures

recognise routine and non-routine problems

identify when the operator is able to rectify faults, when assistance is required and who is the appropriate source for assistance

take action to resolve faults or report faults to appropriate personnel

distinguish between possible causes of routine faults, including:

wrong raw materials/additives/catalyst

incorrect quantity of materials/additives/catalyst

contaminated materials/additives/catalyst

procedural errors

equipment malfunction/failures

communicate effectively with team/work group and supervisors

complete workplace records

do basic arithmetical manipulations, including additions, subtractions, divisions and multiplications

make and interpret measurements and shapes.

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Knowledge Evidence

Must provide evidence that demonstrates knowledge relevant to their job sufficient to operate under routine only supervision and to solve routine problems, including knowledge of:

types of adhesives, additives and catalysts commonly used in lining or lagging and their suitability for different materials and applications

the potential effects of variations in raw materials and equipment operation in relation to quality of product

factors which may affect product quality or production output and appropriate remedies

routine problems, their probable causes and relevant corrective actions

organisation procedures relevant to the work environment/job role

hierarchy of control

hazards that may arise in the job/work environment and:

their possible causes

potential consequences

appropriate risk controls.

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