• LGAWORK304A - Construct and maintain drainage systems

LGAWORK304A
Construct and maintain drainage systems

This unit covers the construction and maintenance of drainage systems.

Application

This unit supports the attainment of skills and knowledge required for competent workplace performance in councils of all sizes. Knowledge of the legislation and regulations within which councils must operate is essential. The unique nature of councils, as a tier of government directed by elected members and reflecting the needs of local communities, must be appropriately reflected.


Prerequisites

Not applicable.


Elements and Performance Criteria

ELEMENT

PERFORMANCE CRITERIA

1 Establish area for drainage works

1.1 Tools and safety equipment requirements are identified and obtained, and lines and levels are set up according to plan.

1.2 Lines and levels are set up according to plan.

1.3 Excavation is undertaken according to plan.

1.4 Excavation is secured to prevent injury to the public and workers.

1.5 Appropriate drainage is provided to allow for the diversion of uncontaminated stormwater from the work site and to prevent environmental damage.

1.6 Environmental protection devices are installed as required to meet requirements.

1.7 Formwork or shoring is provided where required.

1.8 Work is planned and undertaken in accordance with occupational health and safety (OHS) and traffic control requirements.

2 Construct or restore ground drainage

2.1 Pre-bedding is laid to specifications.

2.2 Pre-cast or moulded structures are placed to specifications.

3 Construct or restore surface drains

3.1 Surface drains are prepared and levelled according to plan.

3.2 Earth and rubble drains are constructed to plan.

4 Maintain drainage systems

4.1 Surface drains are inspected and cleared of weeds and debris.

4.2 Subsoil drainage systems are flushed and cleaned.

4.3 Culverts are cleared of debris, cleaned and if necessary reinstated.

4.4 Drains, access holes, pits and traps are cleaned and repaired and if necessary reinstated.

4.5 Pipes are rehabilitated using proprietary rehabilitation systems.

5 Rehabilitate works area

5.1 Verges and medians are surfaced and planted or turfed according to specifications.

5.2 Site is restored to required condition.

5.3 Private and public property structures are reinstated.

6 Complete necessary documentation

6.1 Construction and maintenance reports are completed and filed to meet council's requirements.

6.2 The as constructed plans and drawings are completed in accordance with completed works.

Required Skills

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

Required Skills

reading and interpreting plans and specifications, and plant and equipment capabilities

measuring and calculating quantities

Required Knowledge

OHS requirements

work site traffic management

materials technology related to drainage systems

appropriate drainage options

work scheduling, inspection and testing

working in a team

state and local environmental requirements

Evidence Required

Overview of assessment requirements

A person who demonstrates competency in this unit will be able to perform the outcomes described in the Elements to the required performance level detailed in the Performance Criteria. The knowledge and skill requirements described in the Range Statement must also be demonstrated. For example, knowledge of the legislative framework and safe work practices that underpin the performance of the unit must be demonstrated.

Critical aspects of evidence to be considered

Appropriate materials are selected for the construction and maintenance of the works.

Appropriate construction methods and processes are used.

Plans and specifications are adhered to.

Safety on work site is ensured.

Australian standards are met.

Context of assessment

May be assessed:

on the job

simulated workplace environment

written assignment

short-answer test

oral questioning

observation

or any combination of the above

Relationship to other units(prerequisite or co-requisite units)

To enable holistic assessment this unit may be assessed with other units that form part of the job role.

Method of assessment

The following assessment methods are suggested:

observation of the learner performing a range of workplace tasks over sufficient time to demonstrate handling of a range of contingencies

written and/or oral questioning to assess knowledge and understanding

completion of workplace documentation

third-party reports from experienced practitioners

completion of self-paced learning materials including personal reflection and feedback from trainer, coach or supervisor

Evidence required for demonstration of consistent performance

Evidence will need to be gathered over time across a range of variables.

Resource implications

In accordance with a range of variable requirements.


Range Statement

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 in the Performance Criteria is detailed below.

Pipeline rehabilitation may include:

folded and formed liners

cured in-place resin liners

spiral wound liners

slip liners

pipe grouting machines

Drainage systems may include:

above and in-ground stormwater

wastewater

fittings

culverts

traps

drains

access holes

geofabric strip drains and cloth

Pipe types may include:

concrete

polyvinyl chloride (PVC)

steel and fibre concrete

corrugated PVC and steel pipes

recycled plastics

Relevant standards may include:

Australian standards and other relevant standards


Sectors

Operational Works


Employability Skills

This unit contains employability skills.


Licensing Information

Not applicable.