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

MARL5004A Mapping and Delivery Guide
Apply basic principles of naval architecture

Version 1.0
Issue Date: April 2024


Qualification -
Unit of Competency MARL5004A - Apply basic principles of naval architecture
Description This unit involves the skills and knowledge required to perform basic calculations related to the seaworthiness of commercial vessels, including those dealing with watertight integrity and vessel stability.
Employability Skills This unit contains employability skills.
Learning Outcomes and Application This unit applies to the work of Marine Engineering Watchkeepers on commercial vessels greater than 750 kW and forms part of the requirements for the Certificate of Competency Marine Engineer Watchkeeper issued by the Australian Maritime Safety Authority (AMSA).
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: Calculate shipboard areas and volumes
  • Basic principle structural members of ship and proper names of various parts are detailed
  • Simpson’s Rules are applied to calculate shipboard areas
  • Simpson’s Rules are applied to calculate shipboard volumes
       
Element: Calculate vessel displacement
  • Tonnes per centimetre (TPC) values and Simpson’s Rules are applied to calculate vessel displacement
  • Calculations are performed using TPC values and Simpson’s Rules to solve problems related to vessel displacement
       
Element: Calculate ship dimensions
  • Ship form dimensions are calculated using coefficients for areas
  • Ship form coefficients for underwater volumes are calculated
  • Influence of common hull modifications on hull form coefficients is explained
  • Calculations are performed to solve problems of ship form coefficients following change to vessel length resulting from mid body insertion or removal
       
Element: Explain position of centre of gravity of vessel in relation to its keel and midships
  • Centre of gravity calculations for a vessel are performed
  • How centre of gravity changes with redistribution, addition and/or removal of mass is explained
  • How addition, removal or transfer of mass may cause overturning moments is identified
  • Problems are solved involving addition, removal and vertical movement of mass by performing centre of gravity calculations for typical vessel loaded conditions
  • Calculations are performed using results from inclining experiments to obtain initial stability characteristics
       
Element: Explain effects of water density and flooding of mid-length compartment on vessel draft
  • Relationship between changes in underwater volume and changes in water density is outlined
  • Fresh water allowance of a vessel is determined
  • Change in mean draft for vessel movement between waters of different densities is calculated
  • Volume lost-volume gained relationship for flooded compartments is explained
  • Calculations are performed to solve problems of mid-length compartment flooding in simple box-shaped hull forms
  • Fundamental actions to be taken in the event of partial loss of intact buoyancy are identified
       
Element: Perform calculations related to propellers and vessel speed
  • Relationship between propellers and vessel speed is explained
  • Problems related to vessel speed and propellers are solved by calculating theoretical, apparent and true speeds, apparent and true slips, wake speed and Taylor wake fraction
  • Impact of fouling on vessel hull and propeller is outlined
       
Element: Calculate voyage and daily fuel consumptions
  • Fuel consumption is determined by applying admiralty coefficient for fuel consumption taking account of ship speed, shaft power and displacement
  • Calculations are performed to solve problems of vessel fuel consumption taking account of ship speed, shaft power and displacement
  • Impact of fouling on vessel fuel consumption is explained
       
Element: Calculate pressures and loads on surfaces due to hydrostatics
  • Standard formula for hydrostatic pressure is defined
  • Hydrostatic load on vertical and horizontal surfaces is calculated
  • Method of calculating loads on typical tank structures for different filling rates is explained
       


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:

performing accurate and reliable calculations

solving problems using appropriate laws and principles.

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 principles of naval architecture can be applied

vessel diagrams and specifications and other information required for mathematical calculations related to shipboard areas and volumes, vessel displacement, ship dimensions, centre of gravity, vessel speed, fuel consumption and hydrostatic pressure

technical reference library with current publications on basic naval architecture

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 applying where basic principles of naval architecture

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:

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

Explain basic principles of naval architecture

Identify and apply relevant mathematical formulas and techniques to solve basic problems related to speed, fuel consumption and stability of commercial vessels

Identify and interpret numerical and graphical information, and perform mathematical calculations related to shipboard areas and volumes, vessel displacement, ship dimensions, centre of gravity, vessel speed, fuel consumption and hydrostatic pressure

Identify, collate and process information required to perform calculations related to speed, fuel consumption and stability of commercial vessels

Impart knowledge and ideas through verbal, written and visual means

Read and interpret written information needed to perform calculations related to the seaworthiness of commercial vessels

Use calculators to perform mathematical calculations

Required Knowledge:

Basic structural members of a ship and the proper names of the various parts

Buoyancy

Centre of gravity:

KG, VCG and LCG

calculations

Density correction formula

Fuel consumption calculations

Hydrostatic pressure

Principle of displacement

Ship:

stability

stability calculations

measurements

displacement

Shipboard:

areas

volumes

Simpson’s Rules

TPC immersion

Trim and stress tables, diagrams and stress calculating equipment

Vessel speed calculations

Watertight integrity

Work health and safety (WHS)/occupational health and safety (OHS) requirements and work practices

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.

Shipboard areas may include:

Bulkheads

Elemental areas

Water planes

Shipboard volumes may include:

Transverse sectional areas

Water plane areas

Problems related to vessel displacement may include:

Addition of mass

Removal of mass

Coefficients for areas may include:

Midships (CM)

Waterplane (CW)

Coefficients for underwater volumes may include:

Block (Cb)

Prismatic (Cp)

Centre of gravity may include:

Centre of gravity [KG]

Longitundal centre of gravity [LCG]

Vertical centre of gravity [VCG]

Mass may include:

Ballast

Cargo

Fuel

Passengers

Filling rates may include:

Accidental flooding

Tank testing

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
Basic principle structural members of ship and proper names of various parts are detailed 
Simpson’s Rules are applied to calculate shipboard areas 
Simpson’s Rules are applied to calculate shipboard volumes 
Tonnes per centimetre (TPC) values and Simpson’s Rules are applied to calculate vessel displacement 
Calculations are performed using TPC values and Simpson’s Rules to solve problems related to vessel displacement 
Ship form dimensions are calculated using coefficients for areas 
Ship form coefficients for underwater volumes are calculated 
Influence of common hull modifications on hull form coefficients is explained 
Calculations are performed to solve problems of ship form coefficients following change to vessel length resulting from mid body insertion or removal 
Centre of gravity calculations for a vessel are performed 
How centre of gravity changes with redistribution, addition and/or removal of mass is explained 
How addition, removal or transfer of mass may cause overturning moments is identified 
Problems are solved involving addition, removal and vertical movement of mass by performing centre of gravity calculations for typical vessel loaded conditions 
Calculations are performed using results from inclining experiments to obtain initial stability characteristics 
Relationship between changes in underwater volume and changes in water density is outlined 
Fresh water allowance of a vessel is determined 
Change in mean draft for vessel movement between waters of different densities is calculated 
Volume lost-volume gained relationship for flooded compartments is explained 
Calculations are performed to solve problems of mid-length compartment flooding in simple box-shaped hull forms 
Fundamental actions to be taken in the event of partial loss of intact buoyancy are identified 
Relationship between propellers and vessel speed is explained 
Problems related to vessel speed and propellers are solved by calculating theoretical, apparent and true speeds, apparent and true slips, wake speed and Taylor wake fraction 
Impact of fouling on vessel hull and propeller is outlined 
Fuel consumption is determined by applying admiralty coefficient for fuel consumption taking account of ship speed, shaft power and displacement 
Calculations are performed to solve problems of vessel fuel consumption taking account of ship speed, shaft power and displacement 
Impact of fouling on vessel fuel consumption is explained 
Standard formula for hydrostatic pressure is defined 
Hydrostatic load on vertical and horizontal surfaces is calculated 
Method of calculating loads on typical tank structures for different filling rates is explained 

Forms

Assessment Cover Sheet

MARL5004A - Apply basic principles of naval architecture
Assessment task 1: [title]

Student name:

Student ID:

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

MARL5004A - Apply basic principles of naval architecture

Student name:

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

(add lines for each task)

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Overall assessment result: Competent Not yet competent

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