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Elements and Performance Criteria

  1. Prepare for sea
  2. Operate engines, propulsion plant and auxiliary systems
  3. Secure vessel after voyage

Range Statement

Specifies different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Range is restricted to essential operating conditions and any other variables essential to the work environment.

Spares and stores include one or more of the following:

cleaning products and materials

grease

liquefied petroleum gas (LPG)

machinery spare parts

oils

paint

refrigeration gas

tools, hand and power

Flammable/explosive materials must include:

liquid fuels

LPG

refrigerant gas

Work health and safety (WHS)/occupational health and safety (OHS) hazards include one or more of the following:

heavy objects securely lashed

leaking fuel

loose machinery guards

slippery decks

Engines, propulsion plant and auxiliary systems include one or more of the following:

auxiliary equipment and associated spaces

cooling systems

fuel systems

gearbox

lubricating systems

marine two- and four-stroke:

diesel engines

petrol engines

propeller and immediate shafting alignment

pumping systems

refrigeration systems

steering systems

sterndrive and water jet drive units

Environmental implications include one or more of the following:

accidental release of refrigeration gas

excessive noise

exhaust emissions

loss of fuel and oil overboard

pumping bilges

Polluting substances include one or more of the following:

chemicals

oils

refrigeration gases

sewage

Operational records include one or more of the following:

ballast log

maintenance logs

oil record book

running logs

Emergencies include one or more of the following:

emergency steering

failure of the main engine

fire

flooding


Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria on at least one occasion and include:

explaining:

method of propulsion plant reversal

operation of marine gearboxes

two- and four-stroke cycles of operation

identifying constructional parts of marine internal combustion engines

keeping running and maintenance logs

managing:

lubricating systems and preventing pollution of marine environment

cooling systems

pumping systems and preventing pollution of marine environment

stowage of flammable/explosive materials and refrigerant gases

operating:

refrigeration system

marine internal combustion engines within technical specifications

operating main propulsion plant and auxiliary systems within recommended parameters

operating and maintaining steering systems

preparing vessel and machinery for sea

recognising and rectifying operational faults

securing vessel and machinery after voyage.


Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

bilge pumping for vessels with several compartments

common faults:

in steering gear

of deck machinery

construction of heat exchangers

controllable pitch propellers (CPP) construction and operation

coolant circulation and thermostats

correct pressure and flow conditions

corrosion prevention

cross connections between:

bilge/ballast/seawater systems and fire main

seawater systems and bilge systems

dangers associated with:

back-flooding and methods to prevent back-flooding

liquefied petroleum gas (LPG) and petrol vapours

refrigerant gas leaks in confined spaces

diesel engine:

construction

operation

fuel injection, timing and control equipment

dry sump and wet sump lubrication systems and components

electrohydraulic steering gear

emergency steering

engine:

protection arrangements

performance and reasons for lack of performance

watchkeeping duties

environmental responsibilities, regulations and legislative requirements

gearbox fault identification and emergency operation

governor operation

hazards of refrigerants

heat exchanger, keel cooler and raw water cooling systems

lubrication and cooling:

of gearboxes

effects

lubricating oil system faults

method of propulsion plant reversal including CPP

own ability and limits to rectify irregularities and faults

preparations and checks necessary before sailing

pump capabilities and requirements for priming

refrigeration system and components

reverse/reduction gearbox operation

routine for operating and maintaining steering systems

seawater circulating systems

securing vessel after voyage

ship side valves

shutting down machinery

spares and stores required for proposed voyage

storage of LPG cylinders

testing:

steering gear

LPG detectors

turbo charging and supercharging arrangements

types and operation of deck machinery including basic hydraulic systems

types of:

gear trains

pumps and safety devices.