Elements and Performance Criteria

The range of variables places the competency in context and allows for differences between enterprises and workplaces, including practices, knowledge and requirements. The range of variables also provides a focus for assessment and relates to the unit as a whole. The following variables may be present.

Specification:
· master schedule
· breakdown procedures
· planned maintenance
· unplanned maintenance.

Requirements:
· preparation of the work area
· preparation of resources
· preparation of the plant
· carrying out and completing restoration or maintenance.
· waste/drainage containment

Restrictions and variances caused by:
· other maintenance
· operational requirements
· resources.

Maintenance:
· of marine mechanical plant and systems including:
· propulsion plant
· auxiliary machinery
· service systems, LPG and fire hose including associated pipework and fittings
· techniques for scheduled maintenance and servicing including:
· replacement of consumables
· minor adjustments
· replacement of faulty components
· operational changeovers
· survey requirements:
· steering gear check
· fire extinguisher, water based
· techniques for restoration including:
· repair
· recondition
· replace
· dismantle
· construct
· fabricate
· insulate.

Prepare:
· and select:
· resources
· materials
· tools
· equipment
· documentation
· waste containment
· oil or fuel spill absorbent materials
· emergency services and equipment
· the work area including:
· access
· lighting
· atmosphere
· lifting plant
· machinery
· isolation
· machinery preparation
· provision of alternative services
· by ensuring the serviceability of:
· equipment
· tools
· machinery.

Legislative and enterprise requirements:
· marine safety regulations
· code of safe working practices
· protective clothing and equipment
· guarding of machinery
· safe movement on board ship
· hatches and lifting plant.

Safe by recognition of hazards to:
· personnel
· plant
· environment.

Service and maintain:
· scheduled checks
· tests measurements and inspections
· replacement of consumables
· minor adjustments
· replacement of lifed components.

Variance:
· methods and techniques
· consumables
· components.

Settings:
· torques
· tension
· clearances
· adjustable control inputs and outputs.

Environmentally responsible management includes:
· energy efficient operation of plant
· bilge water disposal
· recycling or disposal of waste oil
· avoidance of oil or fuel spills
· environmentally friendly cleaning agents solvents.

Technical specifications:
· statutory requirements
· manufacturer's plans and drawings
· manufacturer's manuals
· supervisor's instructions.

Constraints:
· equipment design
· equipment position
· safety requirements
· availability of spares
· operational requirements for the equipment
· economical restraints.
· minimal use of chemicals (acid, chlorine, detergents).

Each unit of competency has an evidence guide that relates directly to the performance criteria and the range of variables. Its purpose is to guide assessment of the unit in the workplace and/or training program. The following components provide information to assist this purpose.

Underpinning knowledge
The underpinning knowledge identified for this unit goes to some depth due to its likely inclusion in a group of units that may be used as the basis for the issue of licences by regulatory bodies.

The essential knowledge and understanding a person needs to perform work to the required standard include:
· maintenance objectives, priorities vessel and company maintenance plans
· legislation relating to work methods, environmental protection and occupational health and safety
· acceptable work rates and time scales
· how proposed preparation will affect other personnel, equipment and departments
· function of the component/system to be maintained and the affect it has on related components/systems
· principles and methods relating to:
· establishing a safe working environment
· use of resources during maintenance
· quality assurance and control
· communicating with personnel on status of work
· environmental risk management
· information relating to:
· work objectives
· acceptable types of work methods
· environmental risk management practices
· how particular maintenance activities will affect other personnel, equipment or departments
· current methods of preparation
· factors which may cause preparations to be disrupted and contingency measure to deal with them
· anticipated time scales
· systems for monitoring effectiveness of work
· survey requirements
· compliance with procedures relating to survey and validation of certification including seeking extension
· sources of information on detailed survey and certification requirements
· company procedures for survey and validation of certification including seeking extension.

Practical skills
The essential skills a person needs to perform work to the required standards include:
· preparing and carrying out maintenance on mechanical plant and systems incorporating pipework and all mechanical components including:
· prime movers and associated systems
· hydraulic systems
· compressed air systems
· refrigerant systems
· lubrication systems
· fuel systems
· water systems
· flammable gas systems
· deck machinery
· safety equipment and fixed systems
· preparing and carrying out maintenance on marine engineering systems including:
· mechanical equipment and systems
· electrical generation transmission systems
· electronic equipment
· control and instrumentation.

Literacy skills used for:
· reading manufacturers' technical information
· reading and recording operating parameters
· reading and producing reports for company and authorities
· reading statutory regulations.

Critical aspects of evidence
Assessment must confirm the ability to:
· plan and carry out maintenance and repairs to mechanical plant onboard a vessel to ensure that the vessel remains operational and in survey.
· check completeness and validity of documentation
· ensure maintenance of survey items and arrangements for survey
· identify requirements from schedule
· plan activities to meet requirements
· plan and conduct maintenance to achieve minimal environmental impact
· identify restrictions to maintenance
· correctly choose and handle equipment and materials
· prepare the work area and resources
· carry out pre-commissioning tests and inspections

Assessment must confirm knowledge of:
· efficiency of various methods
· safe and environmentally responsible procedures
· alternative work activities.

Interdependent assessment of units
This unit of may be assessed after/with:
· No recommendations.

Context of assessment
Assessment is to be conducted at the workplace or in a simulated work environment.

Method of assessment
The following assessment methods are suggested
· written or oral short-answer testing
· practical exercises
· project work
· observation of practical demonstration.

Resources required for assessment
Resources may include:
· operational machinery and equipment
· service equipment and maintenance instructions
· operation procedures and policies
· safety equipment
· spares and consumables
· maintenance tools and equipment.