Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners

MARB013 Mapping and Delivery Guide
Maintain and repair marine electrical and electronic equipment

Version 1.0
Issue Date: April 2024


Qualification -
Unit of Competency MARB013 - Maintain and repair marine electrical and electronic equipment
Description
Employability Skills
Learning Outcomes and Application This unit involves the skills and knowledge required to maintain and repair marine electrical and electronic equipment on a vessel. This includes carrying out routine maintenance of marine generators, switchboards, electric motors, motor starters, direct current (DC) electrical systems and electrical distribution systems; and identifying faults in automated control systems.This unit applies to the work of a Marine Engineer Class 3 Near Coastal.This unit has links to legislative and certification requirements.
Duration and Setting X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting.

Assessors must satisfy National Vocational Education and Training Regulator (NVR)/Australian Quality Training Framework (AQTF) assessor requirements.

Assessment must occur in workplace operational situations where it is appropriate to do so; where this is not appropriate, assessment must occur in simulated workplace operational situations that reflect workplace conditions.

Assessment processes and techniques must be appropriate to the language, literacy and numeracy requirements of the work being performed and the needs of the candidate.

Resources for assessment must include access to:

tools, equipment, machinery, materials and personal protective equipment currently used in industry

applicable documentation such as legislation, regulations, codes of practice, workplace procedures and operational manuals

range of relevant exercises, case studies and/or simulations.
Prerequisites/co-requisites
Competency Field B – Equipment Checking and Maintenance
Development and validation strategy and guide for assessors and learners Student Learning Resources Handouts
Activities 		Slides
PPT 		Assessment 1 Assessment 2 Assessment 3 Assessment 4
Elements of Competency Performance Criteria              
Element: Maintain marine generators
  • Safety requirements associated with working on marine electrical generation systems are complied with
  • Marine generators are inspected using appropriate manuals and drawings according to regulatory, organisational and manufacturer requirements
  • Routine maintenance and testing of marine generators is performed according to regulatory, organisational and manufacturer requirements
  • Alternators are synchronised according to organisational and manufacturer requirements
  • Testing and maintenance records are maintained according to regulatory, organisational and manufacturer requirements
       
Element: Maintain marine switchboards
  • Safety requirements associated with handling circuit breakers are complied with
  • Routine maintenance is performed on main circuit breaker according to with regulatory, organisational and manufacturer requirements
  • Faults in circuit breakers are detected and corrected according to regulatory, organisational and manufacturer requirements
  • Testing and maintenance records are maintained according to regulatory, organisational and manufacturer requirements
       
Element: Maintain marine electrical motors
  • Safety requirements associated with working on marine electrical motors are complied with
  • Equipment required for maintenance of electrical motors is selected and checked for serviceability
  • Routine maintenance procedures are applied on marine electrical motors according to regulatory, organisational and manufacturer requirements
       
Element: Test marine electrical motor starters
  • Safety requirements associated with working on marine electrical motor starters are complied with
  • Faults in electrical motor starters are detected and rectified according to regulatory, organisational and manufacturer requirements
  • Starting and running current load testing is performed on electrical motors according to regulatory, organisational and manufacturer requirements
  • Procedures for finding start and finish of electrical motor windings are applied according to regulatory, organisational and manufacturer requirements
  • Testing and maintenance records are maintained according to regulatory, organisational and manufacturer requirements
       
Element: Maintain marine electrical distribution systems
  • Safety requirements associated with working on marine electrical distribution systems are complied with
  • Causes and potential dangers associated with earth faults in multi earth neutral and floating neutral systems are identified
  • Earth faults are detected and repaired using correct equipment according to regulatory, organisational and manufacturer requirements
  • Hazards associated with working on fluorescent lamp circuits are identified
  • Fluorescent lamp circuit is constructed using appropriate manuals and drawings according to regulatory, organisational and manufacturer requirements
  • Components, function and operation of watertight and flame proof fittings are identified
  • Reasons for earthing high voltage systems via a resistor are outlined
  • Routine maintenance, inspection and testing of marine electrical distribution systems is performed according to regulatory, organisational and manufacturer requirements
  • Temporary repairs to insulation are performed according to regulatory, organisational and manufacturer requirements
  • Limitation of temporary repairs to insulation in terms of survey requirements are identified
       
Element: Maintain DC electrical systems
  • Safety requirements associated with working on marine DC electrical systems are complied with
  • Operation of a rectifier is identified
  • Single-phase full wave rectifier fitted with filters is built and operated
  • Routine battery maintenance is carried out according to organisational and manufacturer requirements
  • Correct procedures for checking specific gravity of electrolyte in lead acid and alkaline batteries are applied according to manufacturer requirements
  • Methods for supplying back up power for remote/automatic control equipment are identified
  • Procedure for testing back up power is identified and applied
       
Element: Identify faults in automated control systems
  • Pneumatic, hydraulic, electronic/electrical control systems are compared and contrasted
  • Function and operation of main components of automated control systems is outlined
  • Faults in automated control systems are detected and rectified using standard fault finding procedures
  • Testing procedures for identifying function and performance of automatic control systems in vessel operating systems are identified and applied
       
Element: Operate electrical testing and measuring equipment
  • Insulation tester is operated safely according to manufacturer procedures
  • Continuity testing on electrical circuits is performed according to organisational and manufacturer procedures
  • Clamp meter is operated safely according to manufacturer procedures
  • Multimeter is operated safely according to manufacturer procedures
       
Element: Test automatic control devices
  • Operational functions are performed on a monitor
  • Different types and operation of control valves are identified
  • Control system control functions are applied using different control devices
       


Evidence Required

List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Maintain marine generators

1.1

Safety requirements associated with working on marine electrical generation systems are complied with

1.2

Marine generators are inspected using appropriate manuals and drawings according to regulatory, organisational and manufacturer requirements

1.3

Routine maintenance and testing of marine generators is performed according to regulatory, organisational and manufacturer requirements

1.4

Alternators are synchronised according to organisational and manufacturer requirements

1.5

Testing and maintenance records are maintained according to regulatory, organisational and manufacturer requirements

2

Maintain marine switchboards

2.1

Safety requirements associated with handling circuit breakers are complied with

2.2

Routine maintenance is performed on main circuit breaker according to with regulatory, organisational and manufacturer requirements

2.3

Faults in circuit breakers are detected and corrected according to regulatory, organisational and manufacturer requirements

2.4

Testing and maintenance records are maintained according to regulatory, organisational and manufacturer requirements

3

Maintain marine electrical motors

3.1

Safety requirements associated with working on marine electrical motors are complied with

3.2

Equipment required for maintenance of electrical motors is selected and checked for serviceability

3.3

Routine maintenance procedures are applied on marine electrical motors according to regulatory, organisational and manufacturer requirements

4

Test marine electrical motor starters

4.1

Safety requirements associated with working on marine electrical motor starters are complied with

4.2

Faults in electrical motor starters are detected and rectified according to regulatory, organisational and manufacturer requirements

4.3

Starting and running current load testing is performed on electrical motors according to regulatory, organisational and manufacturer requirements

4.4

Procedures for finding start and finish of electrical motor windings are applied according to regulatory, organisational and manufacturer requirements

4.5

Testing and maintenance records are maintained according to regulatory, organisational and manufacturer requirements

5

Maintain marine electrical distribution systems

5.1

Safety requirements associated with working on marine electrical distribution systems are complied with

5.2

Causes and potential dangers associated with earth faults in multi earth neutral and floating neutral systems are identified

5.3

Earth faults are detected and repaired using correct equipment according to regulatory, organisational and manufacturer requirements

5.4

Hazards associated with working on fluorescent lamp circuits are identified

5.5

Fluorescent lamp circuit is constructed using appropriate manuals and drawings according to regulatory, organisational and manufacturer requirements

5.6

Components, function and operation of watertight and flame proof fittings are identified

5.7

Reasons for earthing high voltage systems via a resistor are outlined

5.8

Routine maintenance, inspection and testing of marine electrical distribution systems is performed according to regulatory, organisational and manufacturer requirements

5.9

Temporary repairs to insulation are performed according to regulatory, organisational and manufacturer requirements

5.10

Limitation of temporary repairs to insulation in terms of survey requirements are identified

6

Maintain DC electrical systems

6.1

Safety requirements associated with working on marine DC electrical systems are complied with

6.2

Operation of a rectifier is identified

6.3

Single-phase full wave rectifier fitted with filters is built and operated

6.4

Routine battery maintenance is carried out according to organisational and manufacturer requirements

6.5

Correct procedures for checking specific gravity of electrolyte in lead acid and alkaline batteries are applied according to manufacturer requirements

6.6

Methods for supplying back up power for remote/automatic control equipment are identified

6.7

Procedure for testing back up power is identified and applied

7

Identify faults in automated control systems

7.1

Pneumatic, hydraulic, electronic/electrical control systems are compared and contrasted

7.2

Function and operation of main components of automated control systems is outlined

7.3

Faults in automated control systems are detected and rectified using standard fault finding procedures

7.4

Testing procedures for identifying function and performance of automatic control systems in vessel operating systems are identified and applied

8

Operate electrical testing and measuring equipment

8.1

Insulation tester is operated safely according to manufacturer procedures

8.2

Continuity testing on electrical circuits is performed according to organisational and manufacturer procedures

8.3

Clamp meter is operated safely according to manufacturer procedures

8.4

Multimeter is operated safely according to manufacturer procedures

9

Test automatic control devices

9.1

Operational functions are performed on a monitor

9.2

Different types and operation of control valves are identified

9.3

Control system control functions are applied using different control devices

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria on at least one occasion and include:

applying relevant procedures

assessing own work outcomes and maintaining knowledge of current codes, standards, regulations and industry practices

communicating procedures associated with maintaining and repairing marine electrical and electronic equipment verbally and in writing

extracting information from basic electrical and electronic diagrams required to build electrical and electronic circuits

identifying and interpreting numerical and graphical information in vessel electrical diagrams and specifications

identifying and suggesting ways of rectifying faults and malfunctions in marine electrical and electronic systems on vessels

identifying methods, procedures and materials needed for operating, maintaining and repairing marine electrical and electronic systems on vessels

initiating timely action in response to defects or damage

reading and interpreting written information related to operating and maintaining marine electrical and electronic systems, including specifications, drawings, technical manuals, and electrical and electronic circuit diagrams

using testing equipment to gather information on function and performance of marine electrical and electronic systems.

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

alternating current (AC)/DC voltage

batteries

circuit breakers and interlocks fitted to circuit breakers

circuits

current protection relays:

operate on fault and request

operate on fault and request and demand

operate on fault and request and under voltage

earthing

electrical measuring and testing instruments

electrical symbols, basic electrical and electronic diagrams and circuits

fault protection equipment:

differential protection device

fuses

over voltage devices

over current devices

reverse power devices

thermal overload devices

thermistor protection devices

under voltage devices

function and performance testing of system monitoring devices including:

alarm printer

data logger

nature and causes of typical start up and shut down malfunctions of main and auxiliary electrical and associated systems and available methods for their detection and rectification

operation of:

boiler, purifier and generator shut down systems

main engine shut down protective devices

protective devices found on board vessels

operational characteristics and performance specifications for different types of electrical and electronic systems found on vessels

principles and procedures of electrical maintenance

purpose and content of safety data sheets (SDS)/material safety data sheets (MSDS)

relevant procedures such as those relating to:

adjusting, testing and maintaining fault protection devices on switchboards

carrying out start up and shut down of electrical machinery and associated systems to ensure compliance with company and survey requirements and regulations

changing alarm-setting values in monitoring systems

confirming the accuracy of measuring monitoring

detecting electrical malfunctions and preventing damage

electrical safety and isolation

fault finding

marine maintenance, including difference between breakdown repair, planned maintenance and condition monitoring; purpose of maintenance recording and reporting procedures

routine maintenance on marine electrical motors (cleaning inspection, deterioration of insulation, removal of dust and oil, renew of bearings)

safety and emergency

testing function and performance of protection devices as part of vessel statutory survey

risks and safety procedures associated with working in high voltage environments

safety, environmental and hazard control precautions and procedures relevant to start up and shut down of marine electrical machinery and associated systems

safety requirements associated with working on marine electrical systems, including:

dangers associated with the spaces in the vicinity of busbars

potential dangers associated with instrument voltage/current transformer circuits

protection normally provided on doors of switchboard cubicles

types of electrical and electronic equipment and components

vessel safety management systems

work health and safety (WHS)/occupational health and safety (OHS) legislation and policies

working safely with electricity:

appropriate method of removing an electric shock victim from a live electrical situation

common causes of electrical accidents

effects of electric shock on the human body

electrical safe working practices

need for ensuring safe isolation of an electrical supply

precautions that can minimise chance of electric shock.

Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assignment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)

Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Maintain marine generators

1.1

Safety requirements associated with working on marine electrical generation systems are complied with

1.2

Marine generators are inspected using appropriate manuals and drawings according to regulatory, organisational and manufacturer requirements

1.3

Routine maintenance and testing of marine generators is performed according to regulatory, organisational and manufacturer requirements

1.4

Alternators are synchronised according to organisational and manufacturer requirements

1.5

Testing and maintenance records are maintained according to regulatory, organisational and manufacturer requirements

2

Maintain marine switchboards

2.1

Safety requirements associated with handling circuit breakers are complied with

2.2

Routine maintenance is performed on main circuit breaker according to with regulatory, organisational and manufacturer requirements

2.3

Faults in circuit breakers are detected and corrected according to regulatory, organisational and manufacturer requirements

2.4

Testing and maintenance records are maintained according to regulatory, organisational and manufacturer requirements

3

Maintain marine electrical motors

3.1

Safety requirements associated with working on marine electrical motors are complied with

3.2

Equipment required for maintenance of electrical motors is selected and checked for serviceability

3.3

Routine maintenance procedures are applied on marine electrical motors according to regulatory, organisational and manufacturer requirements

4

Test marine electrical motor starters

4.1

Safety requirements associated with working on marine electrical motor starters are complied with

4.2

Faults in electrical motor starters are detected and rectified according to regulatory, organisational and manufacturer requirements

4.3

Starting and running current load testing is performed on electrical motors according to regulatory, organisational and manufacturer requirements

4.4

Procedures for finding start and finish of electrical motor windings are applied according to regulatory, organisational and manufacturer requirements

4.5

Testing and maintenance records are maintained according to regulatory, organisational and manufacturer requirements

5

Maintain marine electrical distribution systems

5.1

Safety requirements associated with working on marine electrical distribution systems are complied with

5.2

Causes and potential dangers associated with earth faults in multi earth neutral and floating neutral systems are identified

5.3

Earth faults are detected and repaired using correct equipment according to regulatory, organisational and manufacturer requirements

5.4

Hazards associated with working on fluorescent lamp circuits are identified

5.5

Fluorescent lamp circuit is constructed using appropriate manuals and drawings according to regulatory, organisational and manufacturer requirements

5.6

Components, function and operation of watertight and flame proof fittings are identified

5.7

Reasons for earthing high voltage systems via a resistor are outlined

5.8

Routine maintenance, inspection and testing of marine electrical distribution systems is performed according to regulatory, organisational and manufacturer requirements

5.9

Temporary repairs to insulation are performed according to regulatory, organisational and manufacturer requirements

5.10

Limitation of temporary repairs to insulation in terms of survey requirements are identified

6

Maintain DC electrical systems

6.1

Safety requirements associated with working on marine DC electrical systems are complied with

6.2

Operation of a rectifier is identified

6.3

Single-phase full wave rectifier fitted with filters is built and operated

6.4

Routine battery maintenance is carried out according to organisational and manufacturer requirements

6.5

Correct procedures for checking specific gravity of electrolyte in lead acid and alkaline batteries are applied according to manufacturer requirements

6.6

Methods for supplying back up power for remote/automatic control equipment are identified

6.7

Procedure for testing back up power is identified and applied

7

Identify faults in automated control systems

7.1

Pneumatic, hydraulic, electronic/electrical control systems are compared and contrasted

7.2

Function and operation of main components of automated control systems is outlined

7.3

Faults in automated control systems are detected and rectified using standard fault finding procedures

7.4

Testing procedures for identifying function and performance of automatic control systems in vessel operating systems are identified and applied

8

Operate electrical testing and measuring equipment

8.1

Insulation tester is operated safely according to manufacturer procedures

8.2

Continuity testing on electrical circuits is performed according to organisational and manufacturer procedures

8.3

Clamp meter is operated safely according to manufacturer procedures

8.4

Multimeter is operated safely according to manufacturer procedures

9

Test automatic control devices

9.1

Operational functions are performed on a monitor

9.2

Different types and operation of control valves are identified

9.3

Control system control functions are applied using different control devices

Specifies different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Range is restricted to essential operating conditions and any other variables essential to the work environment.

Testing of marine generators include one or more of the following:

functional test of automatic voltage regulator (AVR)

insulation

reading of alternator:

excitation circuit

stator

Faults in circuit breakers include one or more of the following:

alignment of contactors

condition of:

closing and opening mechanisms

insulation barriers

wear and tear on linkages

Faults in electrical motor starters include one or more of the following:

earthing

open circuit

Main components of automated control systems include one or more of the following:

actuator

control valve

controller

positioner

regulator

relay

sensor

servomotor

transducer

Faults in automated control systems include one or more of the following:

failure of components

intermittent functional faults

Vessel operating systems include one or more of the following:

auxiliary machinery

boilers

main engine

power generation and distribution

Operation of control valves include one or more of the following:

electrical

hydraulic

manual

pneumatic

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
Safety requirements associated with working on marine electrical generation systems are complied with 
Marine generators are inspected using appropriate manuals and drawings according to regulatory, organisational and manufacturer requirements 
Routine maintenance and testing of marine generators is performed according to regulatory, organisational and manufacturer requirements 
Alternators are synchronised according to organisational and manufacturer requirements 
Testing and maintenance records are maintained according to regulatory, organisational and manufacturer requirements 
Safety requirements associated with handling circuit breakers are complied with 
Routine maintenance is performed on main circuit breaker according to with regulatory, organisational and manufacturer requirements 
Faults in circuit breakers are detected and corrected according to regulatory, organisational and manufacturer requirements 
Testing and maintenance records are maintained according to regulatory, organisational and manufacturer requirements 
Safety requirements associated with working on marine electrical motors are complied with 
Equipment required for maintenance of electrical motors is selected and checked for serviceability 
Routine maintenance procedures are applied on marine electrical motors according to regulatory, organisational and manufacturer requirements 
Safety requirements associated with working on marine electrical motor starters are complied with 
Faults in electrical motor starters are detected and rectified according to regulatory, organisational and manufacturer requirements 
Starting and running current load testing is performed on electrical motors according to regulatory, organisational and manufacturer requirements 
Procedures for finding start and finish of electrical motor windings are applied according to regulatory, organisational and manufacturer requirements 
Testing and maintenance records are maintained according to regulatory, organisational and manufacturer requirements 
Safety requirements associated with working on marine electrical distribution systems are complied with 
Causes and potential dangers associated with earth faults in multi earth neutral and floating neutral systems are identified 
Earth faults are detected and repaired using correct equipment according to regulatory, organisational and manufacturer requirements 
Hazards associated with working on fluorescent lamp circuits are identified 
Fluorescent lamp circuit is constructed using appropriate manuals and drawings according to regulatory, organisational and manufacturer requirements 
Components, function and operation of watertight and flame proof fittings are identified 
Reasons for earthing high voltage systems via a resistor are outlined 
Routine maintenance, inspection and testing of marine electrical distribution systems is performed according to regulatory, organisational and manufacturer requirements 
Temporary repairs to insulation are performed according to regulatory, organisational and manufacturer requirements 
Limitation of temporary repairs to insulation in terms of survey requirements are identified 
Safety requirements associated with working on marine DC electrical systems are complied with 
Operation of a rectifier is identified 
Single-phase full wave rectifier fitted with filters is built and operated 
Routine battery maintenance is carried out according to organisational and manufacturer requirements 
Correct procedures for checking specific gravity of electrolyte in lead acid and alkaline batteries are applied according to manufacturer requirements 
Methods for supplying back up power for remote/automatic control equipment are identified 
Procedure for testing back up power is identified and applied 
Pneumatic, hydraulic, electronic/electrical control systems are compared and contrasted 
Function and operation of main components of automated control systems is outlined 
Faults in automated control systems are detected and rectified using standard fault finding procedures 
Testing procedures for identifying function and performance of automatic control systems in vessel operating systems are identified and applied 
Insulation tester is operated safely according to manufacturer procedures 
Continuity testing on electrical circuits is performed according to organisational and manufacturer procedures 
Clamp meter is operated safely according to manufacturer procedures 
Multimeter is operated safely according to manufacturer procedures 
Operational functions are performed on a monitor 
Different types and operation of control valves are identified 
Control system control functions are applied using different control devices 

Forms

Assessment Cover Sheet

MARB013 - Maintain and repair marine electrical and electronic equipment
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

Feedback to student

 

 

 

 

 

 

 

 

Assessor name:

Signature:

Date:

Assessment Record Sheet

MARB013 - Maintain and repair marine electrical and electronic equipment

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

Date: