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Elements and Performance Criteria

1. Prepare for work
   • Work requirements are determined from work instructions
   • Work health and safety (WHS) requirements relevant to operating glass mirroring equipment, including personal protective equipment, are observed throughout the work
   • Work sequence is planned in a logical order to suit the job requirements and workplace procedures
   • Tools, equipment and materials are selected and checked prior to use to ensure they are appropriate for the work, of the required quality, serviceable and in a safe condition
   • Machines are identified and checked for safe and effective operation, including emergency stops, gauges, guards and controls
   • Procedures for checking the quality of materials and items produced, working condition of equipment and quality requirements for each stage of the mirroring process are identified
   • Communication with others involved with the work is established and maintained to ensure efficient work flow coordination, personnel cooperation and safety throughout the glass mirroring process
   • The processes for obtaining materials and moving completed work to the next process are identified
2. Prepare glass for mirroring
   • If applicable, existing mirror is removed by acid washing, cleaning and/or polishing
   • Glass to be mirrored is washed with detergent in accordance with workplace procedures or industry practice
   • Glass to be mirrored is rinsed with demineralised water in accordance with workplace procedures or industry practice
3. Conduct glass mirroring operations
   • Tinning solution is applied in accordance with workplace procedures or industry practice
   • Glass is rinsed with demineralised water in accordance with workplace procedures or industry practice
   • Mirror solution is applied to glass in accordance with workplace procedures or industry practice
   • Glass is washed and blow dried in accordance with workplace procedures or industry practice
   • Backing paint is applied in accordance with workplace procedures or industry practice
4. Complete work
   • Product is inspected for quality of work and items which do not meet quality requirements discarded or returned for reprocessing in accordance with workplace procedures
   • Completed work is placed in holding area in accordance with workplace procedures
   • Work area is cleaned and rubbish disposed of, as appropriate
   • Equipment is cleaned and inspected for serviceability and stored in accordance with workplace procedures, unserviceable equipment tagged, and faults identified and reported in accordance with workplace procedures
   • Tools, equipment and unused materials are removed and stored appropriately
   • Workplace documentation is completed in accordance with workplace requirements

Range Statement

Specifies 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. Range is restricted to essential operating conditions and any other variables essential to the work environment.
Unit context includes:	WHS requirements, including legislation, building codes, material safety management systems, hazardous and dangerous goods codes, and local safe operating procedures or equivalent work is carried out in accordance with legislative obligations, environmental legislation, relevant health regulations, manual handling procedures and organisation insurance requirements work requires individuals to demonstrate some discretion, judgement and problem solving
Work requirements include:	material to be used process required to complete work tasks number of sheets to be mirrored and holding area for completed items
Glass mirroring involves:	processes and equipment to mirror glass for the manufacture of mirrors and other glass products
Tools and equipment include:	semi-automatic and computer-navigated mirroring equipment buffing and cleaning tables spray booths copper plating electrodes extractor fans dual nozzle spray guns compressors solution containers heated drying racks water distiller mirroring formulas tinning solution backing paint stripping acid tanks for re-mirroring
Materials include:	annealed glass sheet glass laminated glass toughened glass
Personal protective equipment includes:	that prescribed under legislation, regulation and enterprise policies and practices: gauntlets gloves safety glasses hard hats safety footwear aprons and overalls respiratory masks
Information and procedures include:	workplace procedures relating to the use of tools and equipment and personal protective equipment work instructions, including job sheets, cutting lists, plans, drawings and designs workplace procedures relating to reporting and communication manufacturer specifications and operational procedures relevant Australian Standards

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Performance Evidence

Interpret work order and locate and apply relevant information

Apply safe handling requirements for equipment, products and materials, including use of personal protective equipment

Identify materials used in the work process

Follow work instructions, operating procedures and inspection processes to:

minimise the risk of injury to self or others

prevent damage to goods, equipment and products

maintain required production output and product quality

Prepare mirroring formulae

Perform equipment checks and set up and prepare mirroring equipment

Clean and prepare glass for mirroring

Apply tinning, mirroring and copper solutions on glass, dry and apply packing paint

Strip, buff, clean, prepare and re-mirror mirrors

Handle and store mirrors

Clean solution tanks, lines, spray guns and equipment after use

Use mathematical ideas and techniques to correctly complete measurements, calculate area and estimate material requirements

Communicate ideas and information to enable confirmation of work requirements and specifications and the reporting of work outcomes and problems, interpret basic plans and follow safety procedures

Avoid backtracking, work flow interruptions or wastage

Work with others and in a team by recognising dependencies and using cooperative approaches to optimise work flow and productivity

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Knowledge Evidence

Correct procedures for the planning, preparation, operation and completion of glass mirroring operations

Work flow requirements in relation to the operation of glass mirroring equipment

Workplace procedures for the reporting of material, product or equipment faults

Relevant Australian Standards

Correct identification, handling and storage requirements for hazardous chemicals

Characteristics of materials used and uses of products produced by glass mirroring operations

Workplace safety system requirements related to the operation of glass mirroring equipment

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