Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners

TDMMA407B Mapping and Delivery Guide
MANAGE PROCEDURES FOR THE HANDLING, LOADING AND DISCHARGING OF LIQUEFIED GAS CARGOES

Version 1.0
Issue Date: March 2024


Qualification -
Unit of Competency TDMMA407B - MANAGE PROCEDURES FOR THE HANDLING, LOADING AND DISCHARGING OF LIQUEFIED GAS CARGOES
Description UNIT DESCRIPTOR:This unit involves the skills and knowledge required to safely manage procedures for the handling, loading and discharging of liquefied gas cargoes on liquefied gas tankers, including use of checklists, cargo condition maintenance both on passage and in harbour, segregation of cargoes, transfer of liquefied gas cargoes, cleaning of tanks, changing of cargoes, sampling of liquefied gas cargoes, ballasting and deballasting, and following warming up and gas freeing procedures, as well as the cooling down of a gas-free system from ambient temperature.
Employability Skills Not applicable.
Learning Outcomes and Application The unit has application within a supplementary Statement of Attainment for competencies required by a Master or Chief Mate on a liquefied gas tanker.
Duration and Setting X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting.
Prerequisites/co-requisites Not applicable.
Competency Field
Development and validation strategy and guide for assessors and learners Student Learning Resources Handouts
Activities
Slides
PPT
Assessment 1 Assessment 2 Assessment 3 Assessment 4
Elements of Competency Performance Criteria              
Element: Plan the loading, discharge and condition maintenance of liquefied gas cargo
  • Plans for the loading, discharge and condition maintenance of liquefied gas cargoes are obtained or prepared in accordance with company procedures, tanker's ISM Code safety management system, regulatory requirements and established maritime practice
  • Checklists for use in the loading, discharge and condition maintenance of liquefied gas cargoes are obtained or developed
  • Operational plans and procedures for the loading, discharge and condition maintenance of liquefied gas cargoes are documented and made available to relevant staff in accordance with tanker procedures and regulatory requirements
       
Element: Manage the loading, discharge and condition maintenance of liquefied gas cargo
  • Operational plans and procedures for the loading, discharge and condition maintenance of liquefied gas cargoes are implemented in accordance with operational and regulatory requirements
       


Evidence Required

List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.

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, , 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

(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


Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assignment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)


Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

REQUIRED KNOWLEDGE

This describes the knowledge required for this unit.

1

Relevant sections of IMO STCW 95 Code and AMSA Marine Orders applicable to liquefied gas tankers

2

Relevant OH&S and pollution control legislation, codes of practice, policies and procedures

3

The basic principles and trends in liquefied gas tanker design and cargo containment and handling systems:

a

types and design of liquefied gas tankers and their equipment

b

cargo containment systems with special reference to rules, surveys, tank construction, materials, coatings, insulation and compatibility

c

cargo handling equipment, including pumps and pumping arrangements, vapour-return systems, piping systems and valves

d

cargo conditioning systems, including warm up and cool down procedures

e

tank atmosphere control systems, including the use of inert gas and nitrogen

f

instrumentation of cargo containment and handling systems, including that of gauging, sampling and temperature control and pressure monitoring systems

4

Procedures and regulatory requirements for loading, discharge, handling and condition monitoring of liquefied gas cargo, including:

a

cargo loading and discharging preparations and procedures

b

Checklists

c

cargo condition maintenance on passage and in harbour

d

segregation of cargoes

e

procedures for cargo transfer and changing cargoes

f

tank cleaning procedures

g

cargo sampling

h

ballasting and deballasting

i

warm up and gas freeing procedures

j

cooling down of a gas-free system from ambient temperature and the safety precautions involved

k

emergency procedures, i.e. pre-planned action in the event of leaks, fire, collision, stranding, emergency cargo discharge and personnel casualty

5

Cargo tank vent systems and procedures:

a

types of filters, strainers, expansion devices and flame screens used

b

the storage, generation and distribution systems for the most commonly used inert gas systems

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

c

liquid recirculation and reliquefaction systems

d

cargo boil-off systems and auxiliary systems

e

the function and use of gas detection and monitoring systems and CO2 monitoring systems

f

the firefighting, safety and rescue systems appropriate for liquefied gas tankers

6

Liquefied gas cargo handling systems and equipment and the procedures for their use

7

Principles of liquefied gas cargo containment, including:

a

containment systems

b

rules

c

surveys

d

tank construction

e

materials

f

coatings

g

insulation

h

compatibility

8

The properties and characteristics of liquefied gases and their vapours, including:

a

the definition of gas

b

simple gas laws

c

the gas equation

d

density of gases

e

diffusion and mixing of gases

f

compression of gases

g

liquefaction of gases

h

refrigeration of gases

i

critical temperature

j

the practical significance of flashpoint

k

upper and lower explosive limits

l

auto-ignition temperature

m

compatibility of gases

n

reactivity

o

polymerisation

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

p

inhibitors

9

The properties of single liquids, including:

a

densities of liquids and vapours

b

variation with temperature

c

vapour pressure and temperature

d

enthalpy, vaporisation and boiling liquids

10

The nature and properties of solutions, including:

a

the solubility of gases in liquids

b

miscibility between liquids

c

effects of temperature change

d

densities of solutions and dependence on temperature and concentration

e

effects of dissolved substances on melting and boiling points

f

hydrates, their formation and dispersion

g

hygroscopicity

h

drying of air and other gases

i

dewpoint and low-temperature effects

11

Principles of toxicity of liquefied gas, including:

a

the modes by which liquefied gases and their vapours may be toxic

b

the toxic properties of inhibitors and of products of combustion of both materials of construction and of liquefied gases carried

c

acute and chronic effects of toxicity

d

systemic poisons and irritants

e

the threshold limit value (TLV)

f

hazards of skin contact, inhalation and ingestion

g

medical first aid and administering of antidotes

12

Maritime communication techniques as they are applied in the loading, discharge, handling and condition monitoring of liquefied gas cargo

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

REQUIRED SKILLS

This describes the basic skills required for this unit.

1

Read and interpret instructions, regulations, procedures and information relevant to the management of the handling, loading and discharging of liquefied gas cargoes

2

Communicate effectively with others during the handling, loading and discharging of liquefied gas cargoes

3

Provide leadership to others during the handling, loading and discharging of liquefied gas cargoes

4

Take appropriate initiatives related to the handling, loading and discharging of liquefied gas cargoes

5

Interpret and apply security and safety practices and regulations when managing the handling, loading and discharging of liquefied gas cargoes

6

Modify activities dependent on differing workplace contingencies, risk situations and environments

7

Identify and solve problems associated with the handling, loading and discharging of liquefied gas cargoes and take appropriate action based on available information

8

Monitor and anticipate problems and risks related to the handling, loading and discharging of liquefied gas cargoes, and take appropriate action

9

Adapt to differing types of vessels, port facilities, cargoes and equipment

10

Monitor the use of equipment related to the handling, loading and discharging of liquefied gas cargoes

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

(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

(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

(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

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
Plans for the loading, discharge and condition maintenance of liquefied gas cargoes are obtained or prepared in accordance with company procedures, tanker's ISM Code safety management system, regulatory requirements and established maritime practice 
Checklists for use in the loading, discharge and condition maintenance of liquefied gas cargoes are obtained or developed 
Operational plans and procedures for the loading, discharge and condition maintenance of liquefied gas cargoes are documented and made available to relevant staff in accordance with tanker procedures and regulatory requirements 
Operational plans and procedures for the loading, discharge and condition maintenance of liquefied gas cargoes are implemented in accordance with operational and regulatory requirements 

Forms

Assessment Cover Sheet

TDMMA407B - MANAGE PROCEDURES FOR THE HANDLING, LOADING AND DISCHARGING OF LIQUEFIED GAS CARGOES
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

Feedback to student

 

 

 

 

 

 

 

 

Assessor name:

Signature:

Date:


Assessment Record Sheet

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

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

Date: