The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, the range statement and the Assessment Guidelines for the Training Package.

Critical aspects for assessment and evidence required to demonstrate competency in this unit

The candidate should demonstrate the ability to perform maintenance and repair work on drainage assets by:

planning and preparing work site

performing maintenance and repair tasks according to manufacturer specifications and organisational requirements

checking work, restoring work site, storing equipment and completing documentation.

Context of and specific resources for assessment

Access to the workplace and resources including:

documentation that should normally be available in a water industry organisation

relevant codes, standards and government regulations.

Where applicable, physical resources should include equipment modified for people with disabilities.

Access must be provided to appropriate learning and assessment support when required.

Assessment processes and techniques must be culturally appropriate, and appropriate to the language and literacy capacity of the candidate and the work being performed.

Validity and sufficiency of evidence requires that:

competency will need to be demonstrated over a period of time reflecting the scope of the role and the practical requirements of the workplace

where the assessment is part of a structured learning experience the evidence collected must relate to a number of performances assessed at different points in time and separated by further learning and practice

a decision of competence should only be made when the assessor has complete confidence in the person's competence over time and in various contexts

all assessment that is part of a structured learning experience must include a combination of direct, indirect and supplementary evidence

where assessment is for the purpose of recognition (RCC/RPL), the evidence provided will need to be authenticated and show that it represents competency demonstrated over a period of time

assessment can be through simulated project-based activity and must include evidence relating to each of the elements in this unit.

In all cases where practical assessment is used it will be combined with targeted questioning to assess the underpinning knowledge. Questioning will be undertaken in a manner appropriate to the skill levels of the operator and cultural issues that may affect responses to the questions, and will reflect the requirements of the competency and the work being performed.

This describes the essential skills and knowledge and their level, required for this unit.

Required skills:

identify and respond to operational problems

complete records and logs

use safety equipment and personal protective equipment

use tools and machinery

lay concrete

insert water stop or seal

work effectively as part of a team

perform work-related calculations

interpret plans, charts and instructions

use literacy skills in regard to verbal and written communication in the workplace

apply procedures and standards.

Required knowledge:

system layout

environmental aspects of maintenance

construction processes

concrete placement techniques, including compaction

water to cement ratio of concrete

relevant utilities and service bodies

communication systems

hazardous materials handling

landscape and ground structure of work area

risk factors and potential hazards of construction processes

equipment operation, capacity and limitations

work-related calculations

effects of weather and conditions on construction site or plant

control systems

pre-cast components

pipes and fittings.

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. Add any 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.

Work requirements may include:

site boundaries

boundary protection

extent of work

utilities location

safe work methods.

Hazards may include:

damage to other utilities.

Legislative and organisational requirements may include:

relevant federal and state or territory legislation and regulations

codes of practice, associated standards and guidance material

documented organisational policies, manuals and induction programs

relevant community planning and development agreements, such as land care agreements.

Equipment used may include:

personal protective equipment

hand and power tools

on- and off-road vehicles

lifting and winching equipment

mechanical excavation equipment

compressors

pneumatic spaders and attachments

motorised cutting equipment

chemical spraying apparatus

small marine craft

trenching systems

portable pumps

communication equipment

breathing apparatus

gas detection equipment

rescue equipment.

Assets may include:

controlling equipment

channels

drains

meter pits

access chambers

collection chambers

drop structures

erosion barriers

anti-pollution devices

grates

head walls

pipes

outlets

regulators

pipes, including:

vitrified clay

polyvinyl chloride (PVC)

polyethylene

reinforced concrete

glass reinforced piping

ductile iron cement lined

cast iron cement lined

fittings, including:

jointing systems for pipe types and prefabricated sections, e.g. gibault and tension bands

solvent cement joints

compression rings

bolted flanges

malleable jointing materials

electrofusion

butt welding

prefabricated sections, including:

drainage sections

drainage pits

culverts

under road crossovers

person access pits

siphons

meter outlets.