Elements and Performance Criteria
- Outline size, shape and structural components of vessels
- Correct terms to describe size and shape of vessels are used
- Correct terms to describe structural components of vessels are used
- Correct terms to describe size or cargo carrying capacity of vessels are used
- Online and other sources of information on size, shape and structural components of vessels are accessed
- Explain static and dynamic forces and moments exerted on hull of a vessel
- Explain how vessel structure is designed to resist distortion
- Identify materials used in hull construction
- Explain methods of joining shipbuilding materials
- Explain bottom structure, forepeak and afterpeak of vessels
- Differentiation is made between different types of keel construction
- Advantages and disadvantage of duct keel in relation to ship strength are explained
- How safe access to the duct keel is obtained, is outlined
- Longitudinally framed double bottom construction is distinguished from a transversely framed double bottom construction
- Differentiation is made between bracket floors and plate floors
- Structural requirements for supporting different types of main engines are outlined
- Classification society rules for construction of forepeak and afterpeak sections are explained
- Explain deck and frame construction
- Longitudinal, transverse and combined framing are compared and contrasted in relation to ship strength
- Position, purpose and construction of a deep frame are explained
- Transition methods from one frame type to another are outlined
- How the strength of frames is maintained when connecting to deck beams and other strength members is explained
- How stress raisers are reduced around hatchways, door openings, forecastle, bridge structure, watertight doors and gastight doors is explained
- Bilge keels structure with particular reference to fitment to hull is outlined and purpose for this type of fitting is explained
- Classification requirements and restrictions of sheer strake, keel strake and garboard strake are examined
- Requirements for use of suction and discharge valves and fittings in the shell above and below the waterline are outlined
- Strength members required for deck machinery are outlined
- Explain construction of watertight bulkheads
- Purpose of bulkheads is stated
- Minimum number of bulkheads and their locations are determined
- Bulkhead is sketched showing construction and attachment to hull
- Purpose, construction and location of collision bulkheads is outlined
- Test procedures for bulkheads are clarified
- How strength is maintained in openings is explained
- Requirements for penetration of collision bulkhead are stated
- Situations in which non-watertight bulkheads are fitted are identified
- Explain bow and stern forces
- Differentiation is made between panting and pounding forces
- How forepeak sections are strengthened to resist panting and pounding forces is explained
- Anchor and cable arrangements in forepeak tank are explained
- Strength members in afterpeak sections are outlined
- Different rudder support arrangements are clarified
- Outline vessel ventilation systems
- Explain damage criteria
- Explain use of stabilisers to reduce effect of rolling
- Explain weather tight and watertight integrity
- Weather tight integrity is distinguished from watertight integrity
- How the position of load line is determined is explained
- Design criteria imposed by Conditions of Assignment of Load Lines is explained
- How watertight integrity of weather deck is maintained and tested is explained
- Different types of tank air vents and their closing devices are compared and contrasted
- Outline processes involved in painting a vessel
- Surface preparation required prior to painting steel is outlined
- Hazards and safety measures to be taken during surface preparations are identified
- Properties of paints required for different areas of vessels are specified
- Procedures required for successful application of paints are clarified
- Precautions required when handling and applying paint are examined
- Action of self-polishing and non-polishing anti fouling paints is compared and outcomes documented
- Reasons for using cathodic protection systems are clarified