REQUIRED KNOWLEDGE |
This describes the knowledge required for this unit.
|
1
| National and international regulations, IMO Conventions and Codes, including AMSA Marine Orders applicable to maintenance and repair operations on vessels of unlimited propulsion power
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2
| Relevant OH&S and pollution control legislation, policies and procedures
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3
| Established engineering practice for the checking, fabrication and repair of marine structures, components, fittings and equipment
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4
| Operational characteristics and performance specifications for the different types of shipboard machinery usually found on a vessel of unlimited propulsion power
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5
| Procedures for carrying out shipboard machinery testing, troubleshooting and repair as part of routine maintenance procedures to ensure compliance with the company and survey requirements and established safety rules and regulations
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6
| Planned maintenance systems and procedures for the condition monitoring of structures, fittings and components, including responsibilities and requirements covered by various forms of vessel survey
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7
| The nature and causes of typical deterioration and damage to vessel structures, components and fittings and the available methods for its detection and related fabrication and repair
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8
| Fabrication and repair hazards and problems and appropriate preventative and remedial action and solutions
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9
| Safe procedures for handling heavy structures and component parts during fabrication and repair
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10
| Safe procedures for the use of hand and power tools, welding and other maintenance equipment during maintenance and repair of shipboard structures, components and fittings
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11
| Procedures for the initiation and coordination of temporary and permanent repair and/or replacement procedures on board vessels at sea, alongside and in dry dock
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12
| Safety, environmental and hazard control precautions and procedures relevant to shipboard inspection and maintenance operations
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13
| Principal features of vessel construction, including the layouts and the structural strength of different types of vessels
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14
| A basic understanding of the properties and application of materials and structures typically used in the construction of a vessel of unlimited propulsion power and its associated operational machinery
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15
| Maintenance and repair records that must be maintained on a vessel to meet the requirements of the company, survey requirements and regulatory authorities
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16
| Maritime communication techniques needed during maintenance and repair operations
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17
| Purpose and content of material safety data sheets
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18
| Procedures for the reading and interpretation of machinery performance readings and indications
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19
| Typical vessel and machinery specifications, machinery design drawings, machine drawings, operational manuals and specifications
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20
| A basic understanding of the components and materials used within various types of vessel's equipment, including:
|
| a
| pumps and pumping systems
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| b
| heat exchangers
|
| c
| valves and safety fittings
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| d
| marine air compressors
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| e
| refrigeration and air-conditioning plants
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| f
| transmission systems, including design, manufacture and materials of gear teeth
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| g
| auxiliary boilers and waste heat units
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| h
| feed systems for boilers
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| i
| auxiliary steam turbines
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| j
| construction of diesel engines, including the materials used
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| k
| fuel pumps used in diesel engines
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21
| Basic principles of mechanics as they relate to fabrication and repair activities, including:
|
| a
| stress and strain caused by axial loads
|
| b
| mechanical advantage, velocity ratio and efficiency of lifting and geared marine machinery
|
| c
| effects on stress and stability caused by a change or shift in the mass in a vessel
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| d
| statics, force as a vector, triangle and polygon of forces, the principle of moments, application to simply supported beams and cranked levers, moments of force, couples, centroids and centres of gravity limited to geometrical shapes. resultant and equilibrant of a system of concurrent coplanar forces
|
| e
| laws of friction for dry surfaces, coefficient of friction (horizontal plane only), lubrication of bearings and plain surfaces
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| f
| linear displacement, time speed, velocity and acceleration, angular motion
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| g
| problems with constant force or force with linear variation. torque, work, energy, power. conservation of energy, potential and kinematic energy, Newton's laws of motion, momentum, rate of change of momentum, centrifugal force
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| h
| simple lifting machines, graphs of load-effort and load-efficiency, linear law, velocity ratio
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| i
| mechanical advantage and efficiency of the following machines: wheel and axle, differential pulley blocks, screw jack, Warwick screw, hydraulic jack, worm driven chain blocks and single and double purchase crab winches, reduction gearing
|
| j
| direct stress and strain, Hooke's law, modulus of elasticity, elastic limit, ultimate tensile strength, yield stress, limit of proportionality, safety factor, shear stress
|
| k
| circumferential and longitudinal stress in thin cylindrical and spherical shells subject to internal pressure
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22
| Basic thermodynamics as it relates to the responsibilities of an officer in charge of an engineering watch, including:
|
| a
| basic thermodynamic properties of common working fluids
|
| b
| methods of heat transfer and related problems
|
| c
| principles of heat transfer by conduction, convection and radiation and their application to marine systems
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| d
| elementary principles of steam plants
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| e
| saturated dry and wet steam, dryness fraction, superheated steam, enthalpy, steam tables, evaporation
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| f
| basic steam plant cycles and explain the function of each component
|
| g
| the combustion process and the calorific value of fuels
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| h
| air/fuel ratio and the significance of excess air on combustion
|
| i
| the operating cycle of single stage reciprocating air-conditioners, including methods for calculating the mass of air delivered
|
| j
| clearance volume, its effect on volumetric efficiency and methods of calculating the volumetric efficiency
|
| k
| advantages of multistaging and intercooling
|
| l
| meaning of gauge and absolute pressure
|
| m
| temperature and temperature scales
|
| n
| SI units and common thermodynamic terms and principles.
|
| o
| gases and gas cycles
|
| p
| boilers and evaporators
|
| q
| refrigeration and air-conditioning
|
| r
| the use and advantages of insulation
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TDMMB1307B CARRY OUT SHIPBOARD FABRICATION AND REPAIR OPERATIONS |
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REQUIRED SKILLS |
This describes the basic skills required for this unit.
|
1
| Communicate effectively with other personnel when carrying out shipboard fabrication and repair operations
|
2
| Communicate with multilingual crew, where applicable, using established techniques
|
3
| Interpret and follow procedures for shipboard fabrication and repair operations
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4
| Interpret and follow all safety management procedures and precautions when carrying out shipboard fabrication and repair operations
|
5
| Read and interpret material safety data sheets
|
6
| Read and interpret vessel and machinery specifications, machinery design drawings, machine drawings, operational manuals, specifications and electrical and control circuit diagrams
|
7
| Work collaboratively with other shipboard personnel when carrying out shipboard fabrication and repair operations
|
8
| Identify problems that can occur during shipboard fabrication and repair operations and take appropriate action to report and rectify problems identified
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9
| Carry out calculations required when carrying out shipboard fabrication and repair operations
|
10
| Adapt to differing types of equipment and materials from one vessel to another and when equipment is changed
|
11
| Take appropriate precautions to prevent pollution of the marine environment
|
12
| Select and use tools and equipment required for shipboard fabrication and repair operations
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