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Elements and Performance Criteria

1. Prepare for routine maintenance.
   • Work instructions are obtained, reviewed and confirmed.
   • Swimming pool or spa dosing system to be serviced is identified.
   • Maintenance requirements of swimming pool or spa dosing system are identified.
   • Required tools, materials and equipment are selected and checked for correct operation and safety.
   • Potential and existing risks and hazards in the work area are identified and controlled in line with work health and safety (WHS) and enterprise requirements.
2. Carry out routine maintenance.
   • Personal protective equipment (PPE) is selected and used.
   • Swimming pool or spa dosing system is inspected and assessed for operational effectiveness against normal operating criteria.
   • Routine servicing of swimming pool or spa dosing system is carried out.
   • Faults are identified and routine repairs undertaken.
   • Complex faults and repair requirements are reported to supervisor.
3. Complete maintenance activities.
   • Serviced swimming pool or spa dosing system is reinstated to operational condition.
   • Work area is restored to original condition and checked for safety hazards, waste is disposed of, and tools and equipment are cleaned and stored.
   • Malfunctions, faults, wear or damage to swimming pool or spa dosing system, environs, tools and equipment are reported for repair or replacement.
   • Notification of work completion is lodged in line with enterprise procedures.
   • Information is provided to client on compliance of swimming pool or spa and environs with safety legislation.
   • Work completion documentation is prepared and securely maintained.

Range Statement

This section specifies 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. Bold italicised wording, if used in the performance criteria, is detailed below.
Routine servicing must include at least five of the following:	adjustments cleaning confirming operation of system filling chemicals inspecting measuring programming automated systems replacing worn components testing.
Routine repairs must include:	erosion feeders or flow-through chemical feed systems: recalibrate unit repair non-electrical components replace parts and consumables liquid solution feeders: recalibrate unit repair non-electrical components replace parts and consumables salt water pool chlorinators: recalibrate unit repair non-electrical components replace parts and consumables.

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Performance Evidence

A person demonstrating competency in this unit must satisfy the requirements of the elements, performance criteria, foundation skills and range of conditions of this unit.

The person must also safely demonstrate the routine maintenance of the dosing system of one swimming pool and one spa.

In doing the above, the person must:

locate, interpret and apply information, standards and specifications relating to the maintenance of swimming pool and spa dosing systems

apply safety requirements throughout the work sequence, including using personal protective equipment (PPE) and clothing

carry out the maintenance activities on the system, including identifying faults and undertaking routine repairs in line with manufacturer instructions and client and enterprise requirements

report complex faults and repair requirements to relevant persons in line with enterprise requirements

restore work area to original condition and check swimming pool or spa dosing system and environs for safety hazards

ensure that waste is disposed of and tools and equipment are cleaned and stored in line with work health and safety (WHS) and enterprise requirements.

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Knowledge Evidence

A person demonstrating competency in this unit must demonstrate knowledge of:

Australian Competition and Consumer Commission product safety guidelines

chlorine chemistry:

hazards

production

role in sanitisation

types of chlorine

commonwealth, state or territory legislation, and local government regulations, Australian standards, and codes of practice impacting on the routine maintenance of swimming pools and spas relating to:

electrical regulations controlling conduct of electrical work

environmental health

private and public swimming pools and spas

WHS

dosing:

chemicals

hazards

purpose

procedures

electrical safety principles

safe chemical-handling principles

swimming pool and spa dosing systems:

purpose of system

common faults

components

electrically interlocking chemical feeder and pool pump systems:

purpose

procedure

maintenance

operating principles of dosing systems

types, operating principles and servicing of dosing systems:

erosion feeders or flow-through chemical feed systems

liquid solution feeds

salt water pool chlorinators: brine method and in-line

water testing:

parameters

techniques

test results.

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