1

Outline size, shape and structural components of vessels

1.1

Correct terms to describe size and shape of vessels are used

1.2

Correct terms to describe structural components of vessels are used

1.3

Correct terms to describe size or cargo carrying capacity of vessels are used

1.4

Online and other sources of information on size, shape and structural components of vessels are accessed

2

Explain static and dynamic forces and moments exerted on hull of a vessel

2.1

Correct terms to describe effects of forces exerted on hull are used

2.2

Various forces acting on the vessel are analysed

2.3

Stresses on various components of the hull are compared as a result of these forces

2.4

Typical weight, load, shear force curves and bending moment diagram are sketched

3

Explain how vessel structure is designed to resist distortion

3.1

Scantlings are defined

3.2

Classification society rules for determining scantling sizes are identified

3.3

Main strength members of vessel hull are identified

3.4

Importance of maintaining integrity of principal strength members is explained

4

Identify materials used in hull construction

4.1

Types of materials used in hull construction are identified

4.2

Properties of high tensile steel are defined

4.3

Types of steel used in hull construction are identified

4.4

Use of forged, rolled and cast components in hull construction is explained

5

Explain methods of joining shipbuilding materials

5.1

Different methods and applications of welding used in shipbuilding and repair are outlined

5.2

How materials are joined so that the strength of components is not impaired is confirmed

5.3

Different methods used to connect aluminium to steel are outlined

6

Explain bottom structure, forepeak and afterpeak of vessels

6.1

Differentiation is made between different types of keel construction

6.2

Advantages and disadvantage of duct keel in relation to ship strength are explained

6.3

How safe access to the duct keel is obtained, is outlined

6.4

Longitudinally framed double bottom construction is distinguished from a transversely framed double bottom construction

6.5

Differentiation is made between bracket floors and plate floors

6.6

Structural requirements for supporting different types of main engines are outlined

6.7

Classification society rules for construction of forepeak and afterpeak sections are explained

7

Explain deck and frame construction

7.1

Longitudinal, transverse and combined framing are compared and contrasted in relation to ship strength

7.2

Position, purpose and construction of a deep frame are explained

7.3

Transition methods from one frame type to another are outlined

7.4

How the strength of frames is maintained when connecting to deck beams and other strength members is explained

7.5

How stress raisers are reduced around hatchways, door openings, forecastle, bridge structure, watertight doors and gastight doors is explained

7.6

Bilge keels structure with particular reference to fitment to hull is outlined and purpose for this type of fitting is explained

7.7

Classification requirements and restrictions of sheer strake, keel strake and garboard strake are examined

7.8

Requirements for use of suction and discharge valves and fittings in the shell above and below the waterline are outlined

7.9

Strength members required for deck machinery are outlined

8

Explain construction of watertight bulkheads

8.1

Purpose of bulkheads is stated

8.2

Minimum number of bulkheads and their locations are determined

8.3

Bulkhead is sketched showing construction and attachment to hull

8.4

Purpose, construction and location of collision bulkheads is outlined

8.5

Test procedures for bulkheads are clarified

8.6

How strength is maintained in openings is explained

8.7

Requirements for penetration of collision bulkhead are stated

8.8

Situations in which non-watertight bulkheads are fitted are identified

9

Explain bow and stern forces

9.1

Differentiation is made between panting and pounding forces

9.2

How forepeak sections are strengthened to resist panting and pounding forces is explained

9.3

Anchor and cable arrangements in forepeak tank are explained

9.4

Strength members in afterpeak sections are outlined

9.5

Different rudder support arrangements are clarified

10

Outline vessel ventilation systems

10.1

Different types of ventilation systems are clarified

10.2

Why ventilator cowls are required is explained

11

Explain damage criteria

11.1

How unsymmetrical flooding is minimised is explained

11.2

Damage control measures are outlined

11.3

How damage criteria are applied is explained

12

Explain use of stabilisers to reduce effect of rolling

12.1

Use of stabilisers is explained

12.2

Bilge keels and fin type stabilisers are compared and contrasted

12.3

How stabilisers are attached to the hull is explained

12.4

Hull stiffening requirements for fin and bilge keel types is explained

13

Explain weather tight and watertight integrity

13.1

Weather tight integrity is distinguished from watertight integrity

13.2

How the position of load line is determined is explained

13.3

Design criteria imposed by Conditions of Assignment of Loadlines is explained

13.4

How watertight integrity of weather deck is maintained and tested is explained

13.5

Different types of tank air vents and their closing devices are compared and contrasted

14

Outline processes involved in painting a vessel

14.1

Surface preparation required prior to painting steel is outlined

14.2

Hazards and safety measures to be taken during surface preparations are identified

14.3

Properties of paints required for different areas of vessels are specified

14.4

Procedures required for successful application of paints are clarified

14.5

Precautions required when handling and applying paint are examined

14.6

Action of self-polishing and non-polishing anti fouling paints is compared

14.7

Reasons for using cathodic protection systems are clarified

Required Skills:

Access online information on ship construction

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

Explain basic concepts of ship construction

Identify and determine appropriate ways of responding to problems associated with ship construction

Identify relevant methods and procedures such as procedures for painting commercial vessels

Identify, interpret and process numerical and graphical information related to ship construction

Impart part knowledge and ideas through verbal, written and visual means

Read and interpret technical guides, manuals and information relevant to ship construction

Required Knowledge:

Bottom structure and the forepeak and afterpeak of vessels

Bow and stern forces

Construction of watertight bulkheads

Damage criteria

Deck and frame construction

Materials used in the construction of ship hull

Methods of joining shipbuilding materials

Processes involved in painting a vessel

Stabilisers to reduce the effect of rolling

Static and dynamic forces and moments exerted on hull of vessel

Terms used to describe size, shape and structural components of vessels

Types of ships and key features of ships

Vessel ventilation systems

Watertight integrity

Weather tight integrity

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

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 ship construction can be demonstrated

technical reference library with current publications on commercial shipping

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 ship construction

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.

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.

Terms to describe size and shape of vessels may include:

Breadth

Camber

Draught

Flare

Length

Rake

Rise of floor

Sheer

Terms to describe size or cargo carrying capacity of vessels may include:

Deadweight

Gross register tonnage

Gross tonnage

Net register tonnage

Net tonnage

Terms to describe effects of forces exerted on hull may include:

Hogging

Racking

Sagging

Still water bending moment

Openings may include:

Cables

Piping

Trunking

Watertight door

Surface preparation may include:

Degreasing

Sand blasting

Shot blasting

Ultra high pressure water jetting

Wet blasting

Areas may include:

Ballast tanks

Cargo tanks

Freshwater tanks

Superstructures

Underwater areas

Weatherdecks