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Elements and Performance Criteria

1. Prepare for waste water disposal.
   • Waste transport and disposal approvals are obtained and confirmed according to organisational and compliance requirements.
   • Work sheet is reviewed to identify all waste disposal requirements.
   • Personal protective equipment (PPE) is selected, checked and used according to organisational and compliance requirements.
   • Hazards and risks are identified and managed or reported according to organisational and compliance requirements.
   • Inlets, outlets and hatches to waste water storage facility are locked and sealed to prevent contamination of waste water and ensure safe operating procedures.
   • Waste water to be disposed to sewer is checked to ensure it meets sewer acceptance criteria.
   • Waste water samples are taken for testing and analysis according to disposal and compliance requirements.
2. Undertake waste water disposal activities.
   • Outlet is unlocked and flowmeter attached to record volume is discharged according to organisational requirements.
   • Waste water outlet is opened to allow disposal of waste water to sewer according to organisational requirements.
   • Relevant authority is contacted to confirm that discharge is received.
   • Trade waste diversion is checked during operation to ensure satisfactory operating conditions according to organisational and compliance requirements.
   • Sewer water discharge is monitored to ensure smooth flow, and to regulate or divert flow to alleviate system backlogs according to organisational and compliance requirements.
   • Off valve and lock-up systems are shut at completion of disposal activities to ensure no unauthorised leakage of waste water to sewer.
   • Relevant authority is notified to lock, tag and secure outlet.
3. Maintain drainage system.
   • When not in use, drainage system is kept free of waste to prevent contamination of waste water to sewer.
   • Drainage system is checked regularly to ensure it is free of blockages, obstructions and leaks according to organisational and compliance requirements.
   • Waste water disposal activities are reported according to organisational and compliance requirements.

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.
Compliance requirements must include:	approvals, permits and regulations relating to waste water disposal commonwealth, state and territory legislation relating to disposing of waste water, including: environmental protection hazardous substances and dangerous goods industry codes work health and safety.
Work sheet must include:	personnel requirements plant and material requirements potential hazards and risks PPE and other equipment requirements quantity of waste water for disposal regulatory and reporting requirements waste types to be processed waste water disposal requirements.
Relevant authority must include at least one of the following:	environmental protection authority local council trade waste inspectors water authorities.

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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 dispose of waste water to sewers for two separate tasks.

While disposing of waste water to sewers, the person must:

obtain and confirm waste transport and disposal approvals

review work sheets to identify waste disposal requirements

check waste water to ensure it meets sewer acceptance criteria

lock and seal inlets, outlets and hatches to the waste water storage facility to prevent waste water contamination

take samples of waste water for testing and analysis to ensure it meets compliance requirements

carry out waste water disposal, including:

communicate with relevant authorities to confirm discharge is received and to lock, tag and secure the outlet

unlocking the outlet and attaching the flowmeter to record volume discharged

checking the trade waste diversion to ensure correct operating conditions

monitoring the sewer water discharge to ensure smooth flow and to regulate or divert flow to alleviate system backlogs

shutting the off valve and lock-up systems when waste water disposal is completed

follow organisational procedures to work safely and comply with regulatory and legal requirements

maintain drainage system to prevent contamination, blockages, obstructions and leaks

record details of waste water disposal activities on organisational proformas.

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Knowledge Evidence

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

environmental issues relating to waste water disposal

hazards and risks relating to waste water disposal and drainage system blockages

key features of the waste management hierarchy

liquid waste classification as water

organisational policies and procedures and regulatory and legal requirements relating to waste water disposal

trade waste certificate or permit conditions

waste water contaminations

waste water disposal methods.

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