Application
The unit has applications in qualifications for Masters of commercial vessels of up to 24 metres in length operating within inshore coastal limits, i.e. Certificate III in Transport&Distribution (Coastal Maritime Operations - Master Class 5). |
Prerequisites
Not applicable.
Elements and Performance Criteria
ELEMENT | PERFORMANCE CRITERIA | ||
1 | Interpret basic stability criteria | a | Vessel's stability data book is located, accessed and correctly interpreted |
b | Interpreted basic stability data for the vessel is applied to maintain the stability of the small vessel in accordance with regulations | ||
2 | Manage the stability of a small vessel | a | The stability of the small vessel is monitored appropriately in accordance with the nature and speed of vessel's operations or an emergency situation where it exists |
b | Information obtained from the vessel's basic stability data book is used to maintain the vessel in a stable condition during operations | ||
c | Appropriate and prompt action is taken where stability factors have or could exceed acceptable safety limits | ||
d | Special precautions are taken where vessel operations may affect the stability and watertight integrity of the vessel | ||
e | Degree of vessel security is appropriate for the anticipated weather and sea conditions and planned vessel operations |
ELEMENT | PERFORMANCE CRITERIA | |||
2 | Manage the stability of a small vessel (continued) | f | Prompt and appropriate action is taken where weight distribution is compromising vessel safety | |
g | Timely and appropriate action is taken in anticipation of environmental changes that may affect the stability of the vessel | |||
h | Appropriate action is taken in emergency situations to maintain the stability of the vessel within safe limits | |||
i | Instructions to others concerning vessel stability and related action are appropriate, timely, clear and concise |
Required Skills
REQUIRED KNOWLEDGE | ||||
This describes the knowledge required for this unit. | ||||
1 | Relevant maritime regulations | |||
2 | Relevant OH&S legislation and policies | |||
3 | Basic stability theory, including: | |||
a | principles of stability | |||
b | terms and definitions | |||
c | relationship between weight and buoyancy in relation to floating bodies | |||
d | reserve buoyancy | |||
e | equilibrium | |||
f | impact of design and hull shape on stability | |||
4 | Principal design features of small vessels related to stability and watertight integrity, including: | |||
a | principal parts of a small vessel and their function in relation to its stability and its structural and watertight integrity | |||
b | advantages and disadvantages of various materials used in the construction of small vessels | |||
c | openings in the hull and on the main deck of a small vessel and the safe working practices that must be followed to maintain watertight integrity | |||
d | maintenance and survey requirements necessary to maintain the watertight integrity of a small vessel | |||
5 | The principal factors which affect the operational stability of a small vessel and the related measures that can be taken to maintain stability, including: | |||
a | adding and removing weights | |||
b | water on deck | |||
c | slack tanks | |||
d | roll period | |||
e | stiff and tender vessel | |||
f | additions and alterations to vessel | |||
6 | Information contained in the basic stability data book supplied to each small vessel and how this information is used to maintain the vessel in a stable condition during operations | |||
7 | Effects of density of sea water on the draught and freeboard of a small vessel | |||
8 | Factors which affect the rolling period of a small vessel | |||
9 | Relationship between light displacement, loaded displacement and deadweight tonnage | |||
10 | Differences between transverse and longitudinal stability and the causes of list and trim |
11 | Conditions of stable, neutral and unstable equilibrium and the effects of disturbing a vessel from the upright | |
12 | Steps involved in bringing an unstable vessel to a stable condition | |
13 | Actions to be taken to contain flooding in the event of underwater damage to the hull | |
14 | Effects on the stability of a small vessel that has been bilged | |
15 | Problems that may occur concerning the stability of small vessels up to 24 metres engaged on coastal voyages and appropriate precautionary/remedial action and solutions | |
REQUIRED SKILLS | ||
This describes the basic skills required for this unit. | ||
1 | Use basic verbal communication skills required when taking action to maintain the stability of a small vessel using basic stability information | |
2 | Read, interpret and apply simple instructions for maintaining the stability of a small vessel using basic stability information | |
3 | Read and interpret vessel specifications, drawings and operational manuals | |
4 | Interpret measurements and observations required when maintaining the stability of a small vessel using basic stability information | |
5 | Complete any required records related to the maintenance of the stability of a vessel | |
6 | Work safely and collaboratively with others when taking action to maintain the stability of a small vessel using basic stability information | |
7 | Select and use relevant equipment as per instructions | |
8 | Recognise routine problems when taking action to maintain the stability of a small vessel using basic stability information and take appropriate action | |
9 | Adapt to differences in vessel types | |
10 | Follow required work schedule as per company requirements |
The Range Statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. | ||||||||
VARIABLE | SCOPE | |||||||
1. GENERAL CONTEXT | ||||||||
a. | Work must be carried out: | 1 | in compliance with the relevant State and Territory maritime regulations | |||||
b. | Work is performed: | 1 | within defined operational procedures, with responsibility for own outputs and responsibility for others in maintaining the stability of a small vessel | |||||
c. | Work involves: | 1 | the application of basic principles of vessel stability when operating a small vessel within a range of applicable operational and emergency contexts | |||||
2. WORKSITE ENVIRONMENT | ||||||||
a | Vessel may include: | 1 | any small commercial vessel up to 24 metres in length engaged on a coastal voyage | |||||
b | Measures to control the stability of the vessel may be carried out: | 1 | by day or night | |||||
2 | in both normal and emergency situations | |||||||
3 | under any possible conditions of weather and loading | |||||||
4 | while underway | |||||||
5 | during berthing and unberthing operations | |||||||
6 | while anchoring or mooring | |||||||
c | Factors that may have an adverse effect on small vessel stability which require special precautions and stability management include: | 1 | effects of suspended weights when using cargo or fishing gear to load and discharge heavy weights | |||||
2 | dangers on board a fishing vessel when clearing a net which is caught fast on an underwater obstruction | |||||||
3 | free surface effects | |||||||
4 | water on the deck | |||||||
5 | poor security of cargo stowage |
Evidence Required
TDMMA1107B MAINTAIN THE STABILITY OF A VESSEL USING BASIC STABILITY INFORMATION | ||||||
The Evidence Guide provides advice on assessment and must be read in conjunction with the Performance Criteria, | ||||||
1 | Critical aspects of evidence required to demonstrate competency in this unit | Assessment must confirm appropriate knowledge and skills to: | ||||
a | Manage the stability of a small vessel: | |||||
1 | safely in both normal and emergency situations | |||||
2 | in normal and adverse weather conditions | |||||
3 | when loading and unloading | |||||
4 | when underway | |||||
5 | in berthing and unberthing operations | |||||
6 | when anchoring or mooring | |||||
b | Communicate effectively with others concerning operations to maintain the stability of the vessel | |||||
2 | Evidence required for demonstration of consistent performance | a | Performance is demonstrated consistently over a period of time and in a suitable range of contexts | |||
b | Applies underpinning knowledge and skills when: | |||||
1 | managing the stability and stresses of a small vessel | |||||
2 | identifying and stability problems and determining appropriate courses of action | |||||
3 | identifying and implementing improvements to procedures for the management of the stability of a vessel | |||||
4 | applying safety precautions relevant to the maintenance of the stability of a small vessel | |||||
5 | assessing the stability of a vessel in both normal and emergency situations using basic stability data | |||||
c | Shows evidence of application of relevant workplace procedures, including: | |||||
1 | relevant maritime regulations | |||||
2 | OH&S regulations and hazard prevention policies and procedures | |||||
3 | job procedures and work instructions |
TDMMA1107B MAINTAIN THE STABILITY OF A VESSEL USING BASIC STABILITY INFORMATION | |||||||
2 | Evidence required for demonstration of consistent performance (continued) | 4 | relevant vessel manufacturer's guidelines relating to the stability of the small vessel | ||||
5 | procedures to protect the integrity and security of the vessel's hull | ||||||
6 | environmental protection procedures when pumping ballast and bilge water | ||||||
d | Action is taken promptly to report and/or rectify factors adversely affecting the stability of the small vessel | ||||||
e | Work is completed systematically with required attention to detail | ||||||
f | Recognises and adapts appropriately to cultural differences in the workplace, including modes of behaviour and interactions among crew and others | ||||||
3 | Context of assessment | a | Assessment of competency must comply with the assessment requirements of the relevant maritime regulations | ||||
b | Assessment of this unit must be undertaken within relevant marine authority approved and audited arrangements by a registered training organisation: | ||||||
1 | As a minimum, assessment of knowledge must be conducted through appropriate written/oral examinations, and | ||||||
2 | Appropriate practical assessment must occur: | ||||||
i | at the registered training organisation; and/or | ||||||
ii | on an appropriate working or training vessel | ||||||
4Specific resources required for assessment | Access is required to opportunities to: | ||||||
a | Access is required to opportunities to: | ||||||
b | participate in a range of exercises, case studies and other simulated practical and knowledge assessments that demonstrate the skills and knowledge to maintain stability of a small vessel in a range of operational situations; and/or | ||||||
i | maintain the stability of a small vessel in a range of operational situations either: | ||||||
ii | using an appropriate small vessel simulator over an appropriate range of simulated stability situations | ||||||
iii | in appropriate practical situations during seatime on an operational commercial or training small vessel |
Range Statement
TDMMA1107B MAINTAIN THE STABILITY OF A VESSEL USING BASIC STABILITY INFORMATION | ||||||||
VARIABLE | SCOPE | |||||||
c | Factors that may have an adverse effect on small vessel stability which require special precautions and stability management include: (continued) | 6 | movement of heavy items or stores and equipment on board vessel | |||||
7 | flooding in the event of damage to the hull | |||||||
8 | alterations to the structure/construction of the vessel | |||||||
9 | use and replenishment of consumables during a voyage such as fuel and food | |||||||
d | Means of managing the stability of a small vessel include: | 1 | closing openings | |||||
2 | taking precautions during vessel operations to reduce the stress and maintain the stability conditions of the vessel | |||||||
3 | taking precautions when using lifting equipment and associated gear | |||||||
4 | managing the position, stowage and lashing of cargo, stores and equipment and the location of passengers | |||||||
5 | action to avoid or minimise cargo shift during a voyage | |||||||
6 | managing the distribution of load on vessel | |||||||
7 | ballast management | |||||||
8 | damage control measures to maintain, stabilise or restore the watertight integrity of the hull during an emergency | |||||||
e | Documentation and recordsmay include: | 1 | operational orders | |||||
2 | vessel's stability data book | |||||||
3 | relevant maritime regulations | |||||||
4 | vessel's log | |||||||
5 | small vessel manufacturer's instructions and recommended procedures | |||||||
6 | vessel's plans and drawings | |||||||
7 | instructions of relevant maritime authorities | |||||||
f | Applicable legislation, regulations and codes may include: | 1 | sections of relevant State and Territory maritime regulations and the national Standard for Commercial Vessels dealing with small vessel stability | |||||
2 | relevant Commonwealth, State and Territory OH&S legislation |
Sectors
Not applicable.
Employability Skills
Not applicable.
Licensing Information
Licensing/legislative requirements | The unit is consistent with the relevant maritime regulations for a Master 5 operating a commercial vessel of up to 24 m in coastal waters. This includes applicable sections of Commonwealth and State/Territory maritime licensing and regulatory requirements and the National Standard for Commercial Vessels. |