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Elements and Performance Criteria

1. Plan and prepare for maintenance.
   • Determine work requirements for maintenance and repair of assets from working drawings, plans, specifications and instructions.
   • Select and check equipment and tools required to meet safety requirements of task and site.
   • Select, fit and use personal protective equipment.
2. Conduct maintenance and repair work.
   • Locate and remove system chokes and blockages to achieve maximum system performance.
   • Repair or replace leakages and damaged assets to meet test specifications.
   • Repair or replace structures as required to meet operational, legislative and organisational requirements.
   • Check maintained and repaired assets to ensure that specifications have been met.
3. Finalise work.
   • Check, maintain and store equipment, tools and materials according to manufacturer guidelines and organisational procedures.
   • Complete workplace records and process as required.

Required Skills

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

Required skills install and repair appropriate assets clear chokes and blockages maintain assets identify and respond to operational problems use communication systems perform workbased calculations follow drawings plans specifications and instructions apply policies and procedures use safety and personal protective equipment work effectively as part of a team use tools and machinery identify hazards communicate with customers and other employees use literacy skills in regard to verbal and written communication in the workplace record work activities

Required knowledge system hydraulics basics system layout system calculations environmental aspects of construction and maintenance lockout procedures for mechanical and electrical installations relevant utilities and service bodies risk factors and potential hazards of locating underground utilities and services risk factors and potential hazards of installation and maintenance processes hazardous materials handling landscape and ground structure of work area equipment operation capacity and limitations effects of weather and conditions on construction site or plant control systems pipes and fittings OHS procedures personal work site safety component parts repair and maintenance standard operating procedures

Evidence Required

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 conduct maintenance and repair work on wastewater collection assets by planning and preparing work site performing maintenance and repair tasks on pipe work and structures 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 persons 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 RCCRPL 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 projectbased activity and must include evidence relating to each of the elements in this unit Questioning will be 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

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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, 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.
Assets may include:	collection system's pipe work, including: vitrified clay reinforced concrete polyvinyl chloride (PVC) polyethylene cast iron cement lined ductile iron cement lined glass reinforced piping mild steel cement lined structures, including: meter pits valve pits drop structures regulators erosion barriers person access chambers and pits head walls thrust blocks inspection shafts controlling equipment fittings, including: jointing systems for pipe types, e.g. gibault tension bands solvent cement joints compression ring joints bolted flanges cathodic protection electrofusion butt-welding.
Equipment and tools may include:	hand and power tools lifting and winching equipment mechanical excavation equipment local repair by electronic means, including: top hats patches pneumatic and motorised equipment, including: compressors pneumatic spades and attachments motorised cutting equipment conventional and jet rodding systems on- and off-road vehicles portable pumps communication equipment closed circuit television (CCTV) equipment to survey repairs breathing apparatus gas detection equipment rescue equipment appropriate personal protective equipment.
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.

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