MARB5001A - Maintain and repair marine electrical and electronic equipment Competency Mapping Template
Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners
MARB5001A Mapping and Delivery Guide Maintain and repair marine electrical and electronic equipment
Version 1.0 Issue Date: May 2024
Qualification
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Unit of Competency
MARB5001A - Maintain and repair marine electrical and electronic equipment
Description
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.
Employability Skills
This unit contains employability skills.
Learning Outcomes and Application
This unit applies to the work of a Marine Engineer Class 3.
Duration and Setting
X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting.
Prerequisites/co-requisites
Not applicable.
Competency Field
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 inspect 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
Maintenance records are maintained 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 using appropriate manuals and drawings is constructed 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.
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:
ensuring behaviour reflects relevant current legislative and regulatory requirements
ensuring currency of relevant WHS/OHS skills and knowledge
initiating timely action in response to defects or damage.
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:
industry-approved marine operations site where maintaining and repairing marine electrical and electronic equipment can be conducted
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 and/or 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.
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 maintaining and repairing marine electrical and electronic equipment
direct observation of the candidate applying relevant WHS/OHS 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.
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.
Required Skills:
Apply relevant procedures
Assess own work outcomes and maintain knowledge of current codes, standards, regulations and industry practices
Communicate procedures associated with maintaining and repairing marine electrical and electronic equipment verbally and in writing
Extract information from basic electrical and electronic diagrams required to build electrical and electronic circuits
Identify and interpret numerical and graphical information in vessel electrical diagrams and specifications
Identify and suggest ways of rectifying faults and malfunctions in marine electrical and electronic systems on vessels
Identify methods, procedures and materials needed for operating, maintaining and repairing marine electrical and electronic systems on vessels
Read and interpret written information related to operating and maintaining marine electrical and electronic systems, including specifications, drawings, technical manuals, and electrical and electronic circuit diagrams
Use testing equipment to gather information on function and performance of marine electrical and electronic systems
Required Knowledge:
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
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.
Testing of marine generators may include:
Functional test of AVR
Insulation
Reading of alternator:
excitation circuit
stator
Faults in circuit breakers may include:
Alignment of contactors
Condition of:
closing and opening mechanisms
insulation barriers
Wear and tear on linkages
Faults in electrical motor starters may include:
Earthing
Open circuit
Main components of automated control systems may include:
Actuator
Control valve
Controller
Positioner
Regulator
Relay
Sensor
Servomotor
Transducer
Faults in automated control systems may include:
Failure of components
Intermittent functional faults
Vessel operating systems may include
Auxiliary machinery
Boilers
Main engine
Power generation and distribution
Operation of control valves may include:
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 inspect 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
Maintenance records are maintained 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 using appropriate manuals and drawings is constructed 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
MARB5001A - 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
MARB5001A - 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