Assessor Resource

MARL5006A
Demonstrate basic knowledge of marine auxiliary machinery and equipment

Assessment tool

Version 1.0
Issue Date: March 2024


This unit applies to the work of Marine Engineering Watchkeepers on commercial vessels greater than 750 kW forms part of the requirements for the Certificate of Competency Marine Engineer Watchkeeper issued by the Australian Maritime Safety Authority (AMSA).

This unit involves the skills and knowledge required to operate and maintain auxiliary machinery and associated systems on board a commercial vessel.

You may want to include more information here about the target group and the purpose of the assessments (eg formative, summative, recognition)

Prerequisites

Not applicable.


Employability Skills

This unit contains employability skills.




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:

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:

industry-approved marine operations site where basic knowledge of marine auxiliary machinery and systems can be demonstrated

technical reference library with current publications on auxiliary machinery

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.

Method of assessment

Practical assessment must occur in an:

appropriately simulated workplace environment and/or

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 machinery and systems

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, assingnment, 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:

Access information and sketch diagrams to interpret and explain testing requirements related to the operation of marine auxiliary machines

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

Explain basic principles of marine auxiliary machines

Identify and interpret numerical and graphical information related to starting up and shutting down marine auxiliary machines on commercial vessels

Identify and suggest ways of rectifying faults and malfunctions in marine auxiliary machines on commercial vessels

Identify methods, procedures and materials needed for operating, maintaining and repairing marine auxiliary machines on commercial vessels

Impart knowledge and ideas through verbal, written and visual means

Read and interpret written information related to the operation, performance and maintenance of marine auxiliary machines, including machinery specifications, machinery design drawings, machine drawings, operational manuals, specifications and electrical and control circuit diagrams

Required Knowledge:

Fuels and basic principles of fuel systems

Nature and causes of typical start up and shut down malfunctions of main and auxiliary machinery and associated systems, and available methods for their detection and rectification

Operational characteristics and performance specifications for different types of auxiliary machinery and associated systems usually found on a commercial vessel, including pumps, air compressors, steering gears, heat exchangers and evaporators

Principles and procedures of machinery lubrication

Procedures for carrying out start up and shut down of main and auxiliary machinery and associated systems to ensure compliance with company and survey requirements and regulations

Purpose and content of safety data sheets/material safety data sheets

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

Types of auxiliary machinery and components

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

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.

Types of auxiliary machinery may include:

Boiler

Compressors

Diesel generator

Evaporators

Pumps

Refrigerating installation

Separators

Functions of auxiliary machines may include:

Applying main power of engines for propulsion and manoeuvring

Keeping ship dry and trimmed

Mooring ship and handling cargo

Providing for safety

Supplying domestic needs such as fresh water

Supplying needs of main engines and boilers

Supplying ship with electric power and lighting

Types of chemicals may include:

Cleaning fluids

Fuel additives

Solvents

Types of pumps may include:

Axial flow

Centrifugal

Gear

Reciprocating

Screw

Vane

Types of heat exchanges may include:

Plate

Shell and tube

Features of bilge, cargo and ballast pumping systems may include:

Safety fittings

Sensing devices

Types of valves

Compressors may include:

Breathing apparatus compressor

Lubricated reciprocating air compressors

Non-lubricated reciprocating air compressors

Oil free air compressors

Rotary screw compressors

Types of steering gear may include:

Electrical

Ram

Rotary vane

Oscillating steering

Steering gear may include:

Hunting gear

Telemotor

Accessories may include:

Accessory gear

Lube oil coolers

Lube oil drive

Lube oil filter

Starting device

Deck machinery may include:

Accommodation ladders

Anchor winch

Cranes

Davits

Mooring winch

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
Layout of a typical engine room is outlined 
Types and functions of auxiliary machinery found in an engine room are explained 
Location, function and operation of all safety devices found on main and auxiliary machinery and within engine room, including shut downs and engine room escape routes is outlined 
Common operating pressures and temperatures of fluids within engine room are identified and how to respond to abnormal parameters is clarified 
Duties and responsibilities of a watchkeeper engineer with respect to safety of personnel and vessel, during and taking over the watch are clarified 
Importance of ensuring all events related to machinery are recorded in the log is explained 
Duties and responsibilities of a watchkeeper engineer in prevention and extinction of fire in machinery spaces are clarified 
Duties and responsibilities of a watchkeeper engineer in relation to prevention of flooding and avoidance of pollution are clarified 
Routine duties and responsibilities of a watchkeeper engineer with respect to safe operation of propulsion and auxiliary machinery are clarified 
Duties and responsibilities of a watchkeeper engineer on a unmanned machinery space (UMS) vessel are clarified 
Procedure for familiarising oneself on joining a new vessel is clarified 
Types, properties, applications and treatments of various fuels used on board vessels are outlined 
Procedures to be followed before and during fuel bunkering are clarified 
Types, properties, applications and treatments of various lubricants used on board vessels are outlined 
Uses and safe handling methods for various types of chemicals used on board vessels are outlined 
Fuel system layout including fuel treatment method is detailed 
Working principle, construction and safe operation of purifiers and clarifiers is explained 
Basic working principles, components and properties of different types of pumps are outlined 
Types of heat exchanges, their basic working principles and applications are outlined 
Correct operation and maintenance of pumps and heat exchangers is detailed 
Key features of bilge, cargo and ballast pumping systems are outlined 
Types, operating principles and requirements for oily-water separators or similar equipment are outlined 
Other approved methods of disposing of oily water are identified 
Procedure for completing oil record book is clarified 
Types, characteristics, components and applications of various compressors used on board vessels are compared and contrasted 
Correct pre-operational checks, starting procedure, safe operation and basic maintenance required for air compressors are detailed 
Potential safety hazards associated with compressed air are identified 
Locations of all mountings, safety devices, alarms and shut downs on compressors, air receivers and compressed air systems are identified and their functions are outlined 
Different requirements and production methods for control air, method of production and special requirements for a breathing apparatus compressor are clarified 
Essential statutory regulations covering operation of steering gear are established 
Operation of different types of steering gear used on board vessels is clarified 
Working principle of variable delivery pumps used in steering gear is explained 
Location of all alarms and safety devices associated with steering gear is identify and their functions are outlined 
Process for testing steering gear and monitoring its performance is explained 
Why ‘fresh water’ may have to be produced from seawater is explained 
Function, construction and operation of evaporators is explained 
Correct starting procedure, safe operation and basic maintenance required for an evaporator is clarified 
Process for testing the evaporator and monitoring performance is explained 
Treatment of distillate for domestic purposes is outlined 
Quality necessary if water being produced by a distiller is to be used for human consumption is outlined 
Properties of an ideal refrigerant are listed 
Refrigerants commonly used on board are listed and reason for their use is clarified 
Basic construction and operation of a marine refrigeration system is explained 
Preparation, operation, fault detection and necessary actions to prevent damage in marine refrigeration systems is confirmed 
Personal safety and environmental hazards associated with CFCs and ozone depleting substances are identified 
Basic construction and operation of marine air-conditioning and ventilation systems in routine and emergency situations is explained 
Preparation, operation, fault detection and necessary actions to prevent damage in marine air-conditioning and ventilation systems is confirmed 
Basic flow of air and gas through a simple cycle marine gas turbine is outlined 
Materials and construction of compressor, combustion system and turbine in a single and two-shaft design turbine are detailed 
Basic controls required for the control and protection of the plant are outlined 
Accessories necessary for safe operation are listed 
Types, basic construction and operation of deck machinery are outlined 
Preparation, operation, fault detection and necessary actions to prevent damage in deck machinery is confirmed 

Forms

Assessment Cover Sheet

MARL5006A - Demonstrate basic knowledge of marine auxiliary machinery and equipment
Assessment task 1: [title]

Student name:

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

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Result: Competent Not yet competent

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Assessment Record Sheet

MARL5006A - Demonstrate basic knowledge of marine auxiliary machinery and equipment

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Student ID:

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

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Overall assessment result: Competent Not yet competent

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