Elements and Performance Criteria

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Policies and procedures
Work is carried out in accordance with company policies and procedures, manufacturer's recommendations, legislative requirements, site licenses and trade waste service agreements and industrial awards and agreements. Legislation refers to environmental acts and regulations.
Workplace information
Workplace information can include:
Standard Operating Procedures (SOPs)
manufacturer's specifications
Equipment
Equipment may include
screens
pH correction
oil/grease skimmers
settling and treatment ponds
aeration units
lagoons
first flush systems and wetlands
pumps and valves.
Equipment status
Confirming equipment status involves
conducting relevant pre-start checks
confirming that housekeeping standards are met
all safety guards are in place
equipment is operational.
Hazards
Hazards typically include handling chemicals, manual handling and flammable gases.
Equipment operation and monitoring
Operation and monitoring of equipment and processes typically requires the use of control panels and systems.
Tests
Typical tests may include
pH
solids
colour/turbidity
flow rate
settling rate
settled volume
DO
BOD/COD levels.
Teamwork
Work may require the ability to work within a team environment.
Information systems
Information systems may be print or screen based.

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.
Overview of assessment
Assessment must be carried out in a manner that recognises the cultural and literacy requirements of the assessee and is appropriate to the work performed.
Critical aspects for assessment and evidence required to demonstrate competency in this unit
Evidence of ability to:
handle chemicals safely
demonstrate wastewater system operating procedures
demonstrate first flush system operating procedures
conduct water quality tests
take corrective action in response to out-of-specification results or non-compliance
monitor supply and quality of waste water
report and/or record corrective action
demonstrate emergency procedures
demonstrate shift handover procedure
demonstrate an operational shut down procedure.
Context of and specific resources for assessment
Assessment must occur in a real or simulated workplace where the assessee has access to:
Waste water treatment systems and related chemicals
Test equipment
Relevant advice on environmental agreements
Operating procedures and related advice on equipment operation
Personal protective clothing and equipment
Communication systems and equipment
Housekeeping standards and procedures
Workplace information recording systems, requirements and procedures.
Method of assessment
Other units of competency relevant to the work role should be assessed in conjunction with this unit.
Guidance information for assessment
To ensure consistency in one's performance, competency should be demonstrated on more than one occasion over a period of time in order to cover a variety of circumstances, cases and responsibilities, and where possible, over a number of assessment activities.