Elements and Performance Criteria

Range Statement
TDMMA407B MANAGE PROCEDURES FOR THE HANDLING, LOADING AND DISCHARGING OF LIQUEFIED GAS CARGOES

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 sections of the AMSA Marine Orders and IMO STCW 95 Convention and Code, ISM Code and tanker safety guides and port regulations related to liquefied gas cargo operations


b.
Work is performed:
1
relatively independently under broad operational requirements with accountability and responsibility for self and others in achieving the prescribed outcomes


c.
Work involves:
1
the application of a significant range of operational and supervisory principles and procedures, safety precautions and hazard minimisation strategies to the management of the loading, discharge, handling and condition maintenance of cargo on a liquefied gas tanker. Contribution to the development of a broad plan for liquefied gas cargo handling and maintenance operations is required


d.
Work requires:
1
significant judgement in planning, technical and leadership functions related to the handling and condition maintenance of cargo on a liquefied gas tanker
2. WORKSITE ENVIRONMENT


a
Vessel may include:
1
any Australian or international liquefied gas tanker


b
Liquefied gas cargo handling operations may be carried out:
1
by day or night in both normal and emergency situations
2
under any possible operational conditions
3
during loading and discharging of cargo
4
during ballasting and deballasting
5
during warm up and cool down procedures
6
during tank cleaning
7
during liquefied gas cargo condition maintenance

Range Statement (continued)
TDMMA407B MANAGE PROCEDURES FOR THE HANDLING, LOADING AND DISCHARGING OF LIQUEFIED GAS CARGOES

VARIABLE
SCOPE

b

Liquefied gas cargo handling operations may be carried out:
(continued)

8

during liquefied gas cargo sampling


c
Operational cargo handling cycle of a liquefied gas tanker may include:
1
cool down of a gas-free system from ambient temperature
2
liquefied gas loading preparation and operations
3
maintenance operations during a loaded voyage
4
liquefied gas discharging preparation and operations
5
warm up and gas freeing operations
6
tank stripping and cleaning operations
7
ballasting and deballasting operations a
8
maintenance operations during a ballast voyage


d
Liquefied gas cargo handling systems and equipment may include:
1
pumps and pumping arrangements, vapour-return systems, piping systems and valves
2
filters and strainers
3
expansion devices
4
flame screens
5
commonly used inert gases
6
storage, generation and distribution systems
7
temperature and pressure monitoring systems
8
cargo vent systems
9
liquid recirculation and reliquefaction systems
10
cargo gauging, instrumentation systems and alarms
11
CO2 and gas detection and monitoring systems
12
cargo boil-off systems and auxiliary systems


e
Personal protection clothing and equipment may include:
1
masks, goggles and breathing apparatus
2
resuscitation equipment
3
protective clothing, including headgear, gloves and footwear
4
escape and rescue equipment

Range Statement (continued)
TDMMA407B MANAGE PROCEDURES FOR THE HANDLING, LOADING AND DISCHARGING OF LIQUEFIED GAS CARGOES

VARIABLE
SCOPE

f

Hazards associated with liquefied gas cargoes may include:

1

sources of ignition leading to explosion and fire
2
electrostatic generation leading to discharge
3
environmental hazards to air and water
4
reactivity hazards, including effects of self-reaction, temperature and effects of air, water, impurities and other chemicals and reagents
5
release of toxic fluids, vapours and gases involving skin contact, ingestion or inhalation
6
corrosion hazards to personnel, vessel structures and equipment
7
working in confined spaces


g
Documentation and recordsmay include:
1
ISM Code safety management system plans, procedures, checklists and instructions
2
operational orders
3
established tanker and company liquefied gas cargo operations procedures
4
sections of the AMSA Marine Orders and the IMO STCW Convention and Code related to liquefied gas tankers
5
Liquefied Gas Handling Principles on Ships and in Terminals, SIGTTO
6
Tanker Safety Guide (Liquefied Gas), ICS
7
Ship to Ship Transfer Guide (Liquefied Gases), ICS/OCIMF
8
tanker manufacturer's instructions and recommended procedures
9
OH&S and pollution prevention procedures relevant to the handling of liquefied gas cargoes
10
instructions of relevant maritime authorities concerning liquefied gas cargo operations
11
relevant Australian and international standards


h
Applicable legislation, regulations and codes may include:
1
sections of the IMO STCW 95 Convention and Code related to liquefied gas tankers, including the International Ship and Port Facility Security (ISPS) Code
2
relevant sections of AMSA Marine Orders

Range Statement (continued)
TDMMA407B MANAGE PROCEDURES FOR THE HANDLING, LOADING AND DISCHARGING OF LIQUEFIED GAS CARGOES

VARIABLE
SCOPE

h

Applicable legislation, regulations and codes may include:
(continued)

3

instructions of relevant maritime authorities concerning liquefied gas cargo operations
4
relevant international, Commonwealth, State and Territory OH&S and pollution control legislation

Evidence Guide
TDMMA407B MANAGE PROCEDURES FOR THE HANDLING, LOADING AND DISCHARGING OF LIQUEFIED GAS CARGOES

The Evidence Guide provides advice on assessment and must be read in conjunction with the Performance Criteria, Required Skills and Knowledge, the Range Statement and the Assessment Guidelines for this Training Package.
1
Critical aspects of evidence required to demonstrate competency in this unit
Assessment must confirm appropriate knowledge and skills to:
a
Manage the safe loading, discharge, handling and condition maintenance of cargo on a liquefied gas tanker
b
Ensure all required safety and hazard control procedures are implemented during loading, discharge, handling and condition maintenance operations
c
Identify typical problems that may occur during liquefied gas cargo loading, discharge, handling and condition maintenance operations and take appropriate action
d
Identify emergency situations that may arise during liquefied gas operations and take appropriate action
e
Apply relevant international conventions, IMO and national codes, tanker safety guides and port regulations related to liquefied gas tanker cargo operations
f
Communicate effectively with others during liquefied gas cargo handling and maintenance operations


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
Consistently applies underpinning knowledge and skills when:

1
managing the safe loading, discharge, handling and condition maintenance of cargo on a liquefied gas tanker

2
identifying and evaluating liquefied gas cargo handling problems and determining appropriate courses of action

3
identifying and implementing improvements to liquefied gas cargo handling procedures

4
applying safety and hazard control precautions relevant to liquefied gas cargo handling operations
c
Shows evidence of application of relevant workplace procedures, including:

1
relevant sections of IMO STCW 95 Code and AMSA Marine Orders

2
OH&S regulations and hazard prevention policies and procedures

3
ISM Code safety management system procedures and work instructions on the conduct of maintenance on liquefied gas tankers

Evidence Guide (continued)
TDMMA407B MANAGE PROCEDURES FOR THE HANDLING, LOADING AND DISCHARGING OF LIQUEFIED GAS CARGOES

2
Evidence required for demonstration of consistent performance
(continued)

4
relevant manufacturer's guidelines relating to the use of liquefied gas cargo handling plant and equipment, including instructions on equipment capability and limitations

5
following on-board housekeeping processes

6
pollution management processes
d
Action is taken promptly to report and rectify operational accidents and incidents in accordance with statutory requirements and company procedures
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


4
Specific resources required for assessment
Access is required to opportunities to:
a
participate in a range of practical exercises, case studies and/or other exercises that demonstrate the skills and knowledge to manage the safe loading, discharge, handling and condition maintenance of cargo on a liquefied gas tanker; and/or
b
manage the safe loading, discharge, handling and condition maintenance of cargo on board an operational liquefied gas tanker