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Elements and Performance Criteria

  1. Distinguish between different types of auxiliary boilers
  2. Recognise different functions of steam and different components of steam systems
  3. Explain fuel oil system of auxiliary boilers
  4. Explain procedure for operating fired and unfired boilers
  5. Explain procedure for sampling and testing boiler water
  6. Explain procedure for maintaining water level in the boiler
  7. Explain common hazards and defects and relevant prevention/ control procedures

Required Skills

Required Skills

Access information related to marine auxiliary boilers

Assess own work outcomes and maintain knowledge of current codes standards regulations and industry practices

Explain basic operation of marine auxiliary boilers

Identify and apply relevant solutions for addressing problems associated with marine auxiliary boilers

Identify and interpret diagnostic information and perform mathematical calculations related to operating maintaining and repairing marine auxiliary boilers

Identify methods procedures and materials needed for operating maintaining and repairing marine auxiliary boilers

Impart knowledge and ideas through verbal written and visual means

Read and interpret manuals technical specifications safety data sheetsmaterial safety data sheets and manufacturer guides related to operating maintaining and repairing marine auxiliary boilers

Required Knowledge

Basic principles of operation of boilers and steam systems

Combustion in boilers and related safety procedures including importance of purging a boiler and other safety precautions taken when firing a boiler

Common boiler defects and repair procedures

Fuel oil system for an auxiliary boiler

Fittings mounted on boilers

Hazards associated with running boiler plant

Operating principles relating to steam generation in fired and unfired boilers

Principles of boiler operation in normal and emergency situations

Procedures for maintaining water level in boilers

Purpose of alarms and shut downs in marine boilers

Treatment sampling and testing of boiler water

Types of auxiliary boilers and typical operating pressures and temperatures

Typical feed systems for marine boilers

Work health and safety WHSoccupational health and safety OHS legislation policies and procedures

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria the 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 evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the Elements Performance Criteria Required Skills Required Knowledge and include

providing accurate and reliable information

providing appropriate level of detail in responses

Context of and specific resources for assessment

Performance is demonstrated consistently over time and in a suitable range of contexts

Resources for assessment include access to

industryapproved marine operations site where basic knowledge of marine auxiliary boilers can be demonstrated

diagrams specifications and other information required for performing basic calculations related to marine auxiliary boilers

technical reference library with current publications on basic marine auxiliary boilers

tools equipment and personal protective equipment currently used in industry

relevant regulatory and equipment documentation that impacts on work activities

range of relevant exercises case studies andor other simulated practical and knowledge assessments

appropriate range of relevant operational situations in the workplace

In both real and simulated environments access is required to

relevant and appropriate materials and equipment

applicable documentation including workplace procedures regulations codes of practice and operation manuals

Method of assessment

Practical assessment must occur in an

appropriately simulated workplace environment andor

appropriate range of situations in the workplace

A range of assessment methods should be used to assess practical skills and knowledge The following examples are appropriate to this unit

direct observation of the candidate demonstrating basic knowledge of marine auxiliary boilers

direct observation of the candidate applying relevant WHSOHS requirements and work practices

Guidance information for assessment

Holistic assessment with other units relevant to the industry sector workplace and job role is recommended

In all cases where practical assessment is used it should be combined with targeted questioning to assess Required Knowledge

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


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.

Mountings and fittings on auxiliary boilers may include:

Air release cock

Auxiliary steam stop valve

Blow down valve

Feed check or control valve

Main steam stop valve

Pressure gauge connection

Safety valves

Sampling connection

Scum valve

Water level gauge

Whistle stop valve

Hazards and defects may include:

Chemical hazards

Enclosed space

Illumination of work area

Machine guarding

Manual handling

Materials

Rubbish and combustible

Steam and fuel leaks

Thermal hazards

Trips