Google Links

Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

1. Outline responsibilities of an Engineer Class 2 in relation to auxiliary boiler and steam plant of a vessel
   • Commonwealth, state/territory and local legislation and regulations that relate to marine boilers and steam plant in terms of safety, repairs and pollution, including implementation, is identified
   • Safe operating practices for all steam plant are examined and standing orders as to their operation are prepared or modified
   • Procedure for establishing engine room staff who are fully conversant with safe practices for boiler operation is outlined
2. Evaluate design and construction of
3. marine auxiliary boilers
   • Typical boiler types illustrating cross section, attachments and location of all fittings, mountings, scantlings and method of achieving circulation are examined
   • Material requirements for boiler components are identified
   • Construction of different types of boilers is analysed
   • Different gauge glass types are compared
4. Evaluate design and operation of thermal fluid heating plants
   • Typical thermal fluid heating plant is explained and advantages and limitations of the system are identified
   • Locations and functions of all fittings and safety devices in a typical thermal fluid system are explained
   • Properties of thermal fluid, effects of contamination and methods of testing fluid are analysed
   • Thermal fluid heating is compared to conventional steam plant
5. Evaluate layout and design of marine steam systems and components
   • Typical steam system layout showing location of all components on feed and heating side is detailed
   • Material requirements for steam system components are identified
   • Reasons for operating plant and systems at nominated temperatures and pressures, and effects of departing from these parameters are explained
   • Symptoms of faults in steam traps, hot wells, de-aerators, condensers, evaporators and requirements for contamination prevention between systems, are analysed
6. Outline procedure for inspecting marine auxiliary boilers and associated plant
   • Procedure for shutting down, isolating and opening up a boiler for inspection or during an emergency is clarified
   • Possible defects that may occur in a boiler, fire and water side, their location and effects are analysed
   • Repair procedures commonly employed for damaged boilers are examined and limitations of such repairs are explained
   • Procedures for leak detecting in boilers and steam equipment are clarified and remedial actions are explained
   • Mechanism of economiser fires are analysed
   • Procedure for detecting economiser fires, actions for controlling after occurrence and preventative measures are clarified
7. Differentiate between safety valves types
   • Common types of boiler safety valves are analysed and sketched, and how they are classified in terms of valve lift is explained
   • Materials used in safety valves are identified and operational problems that can occur are analysed
   • Procedure for setting valve lift pressure is established and precautions necessary when testing valve on fired and non-fired boilers are examined
   • Defects that may be found when dismantling a safety valve for survey are analysed
8. Evaluate problems associated with feed and boiler water
   • Causes of scaling and corrosion of water side of a boiler and how these can be minimised are analysed
   • Acceptable operational range and effects of contamination on boiler chemical reserves are identified
   • Reliability of boiler water test results are analysed in relation to sampling procedure, testing equipment and shelving of test chemicals
   • Different tests carried out on boiler water are explained and implications of out-of-range results are interpreted
   • Use of different chemicals to treat and condition boiler water is assessed
   • Procedure to be adopted when boiler is severely contaminated from different sources is outlined
9. Evaluate marine fuel systems
   • Boiler fuel system, its components and maintenance procedure are detailed
   • Combustion process, its monitoring system and requirements for good combustion are analysed
   • Different types of burners are compared and contrasted and how atomisation is achieved is explained
   • Operation of a burner management system that incorporates pressure and level control is explained
   • Protection devices, alarms and shut downs, found on firing system are identified and their method of operation is analysed

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 intermediate 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

Fittings mounted on boilers

Fuel oil system for an auxiliary boiler

Hazards associated with running boiler plant

Marine boiler inspection procedures

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

Safety valves

Treatment sampling and testing of feed and 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 intermediate knowledge of marine auxiliary boilers can be demonstrated diagrams specifications and other information 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 intermediate 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.
Marine boilers and steam plant may include:	Condensors Economiser Feed pumps Fired High-pressure Low pressure Medium pressure Steam – steam generators Unfired

---