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Elements and Performance Criteria

1. Prepare for work
   • Applicable work health and safety (WHS), legislative and organisational requirements relevant to moisture barriers and damp proof membranes are verified and complied with
   • Instructions and/or plans are read and interpreted to identify the process required to complete work tasks
   • Sub-floors are inspected in accordance with Australian Standards and treatment system identified
   • Tools, equipment and materials are selected and checked prior to use to ensure that they are appropriate for the work, serviceable and in a safe condition
   • Material safety data sheets (MSDS), or equivalent, are read and applied during work
   • Materials and equipment are prepared and positioned for use
   • Surfaces are cleaned in accordance with manufacturer recommendations
2. Apply moisture suppressant
   • Surface coating is applied with the depth and coverage in accordance with manufacturer specifications and job requirements
   • Sub-floor is checked and cleared for further processing
3. Apply moisture barrier
   • Moisture is established as hydrostatic pressure, capillary moisture, or new concrete with high moisture content
   • Moisture content is established as reducing, construction moisture or a result of damaged membrane or capillary action
   • All corners, cracks and other penetrations are strengthened
   • barrier material is laid in accordance with manufacturer instructions
   • Second coating is applied as required
   • Sub-floor is checked and cleared for further processing
4. Complete housekeeping
   • Unused materials are stored or recycled as required
   • Remains of compounds used are cleaned up and disposed of appropriately
   • Tools and equipment are cleaned and stored appropriately
   • Work area is cleaned and rubbish disposed of appropriately
   • Workplace documentation is completed

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 individual to demonstrate some discretion, judgement and problem solving
Treatment systems include:	construction moisture suppressant system or a moisture barrier: designed for new concrete with low moisture content or capillary moisture designed for concrete with hydrostatic pressure, capillary moisture or new concrete with a high moisture content
Australian Standards include:	AS/NZS 2455.1:2007 Textile floor coverings - Installation practice - General AS 1884-2012 Floor coverings - Resilient sheet and tiles - Installation practices
Personal protective equipment includes:	that prescribed under legislation, regulations and enterprise policies and practices
Information and procedures include:	workplace procedures relating to the use of tools and equipment work instructions, including job sheets, plans, drawings and designs workplace procedures relating to reporting and communication manufacturer specifications and operational procedures

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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

Complete two (2) moisture suppressant/barrier installations:

one (1) moisture barrier (dealing with an external moisture problem that may be due to hydrostatic pressure or capillary action)

one (1) moisture suppressant (dealing with construction moisture in green concrete)

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

State or territory WHS legislation, regulations, standards and codes of practice relevant to moisture suppressants and barrier systems

Organisational and site standards, requirements, policies and procedures for moisture suppressant and barrier systems

Environmental protection requirements

Established communication channels and protocols

Relevant problem identification and resolution

Types of tools and equipment and procedures for their safe use, operation and maintenance

Characteristics of materials, products and defects

Types, application and features of moisture barriers and moisture suppressant techniques

Set-up and operation of equipment

Procedures for the recording, reporting and maintenance of workplace records and information

Appropriate mathematical procedures for estimation and measurement

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