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Elements and Performance Criteria

  1. Analyse chemical components of wine
  2. Resolve wine making problems
  3. Taste and evaluate a wine
  4. Analyse the effect of winemaking techniques on wine quality
  5. Analyse the effect of site characteristics, viticultural practices and grape varieties on wine quality
  6. Analyse current packaging methods, bottle closure methods and wine labelling laws

Required Skills

Required skills include

Ability to

determine wine characteristics and faults using organoleptic evaluation techniques

document plans specifications and production work procedures and write reports for staff managers clients and contractors

communicate and negotiate verbally and in writing with the client staff managers suppliers contractors and consultants

research evaluate and record information

comply with legislative requirements

Required knowledge

Knowledge of

changes to the physical characteristics of grapes during ripening including size hardness and colour

changes to the chemical characteristics of grapes during ripening including acid sugar and flavour

factors involved in the initiation and management of primary secondary and malolactic fermentation processes

ideal Australian cellaring conditions

vintage ratings in Australia

sensory evaluation of wines with potential for cellaring

varieties of wine grapes in Australia

types and styles of wine produced in Australia

balance in relation to wine taste

climatic and physical features of wine grape growing areas and wine styles produced

main export markets

food safety requirements

cleaning procedures and processes including

cleaning and sanitising agents

cleaning systems and equipment

waste disposal

wastewater removal

packaging regulations and relationship to product marketing and quality

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package

Overview of assessment

Critical aspects for assessment and evidence required to demonstrate competency in this unit

The evidence required to demonstrate competency in this unit must be relevant to workplace operations and satisfy holistically all of the requirements of the performance criteria and required skills and knowledge and include achievement of the following

perform chemical analyses necessary for the winemaking process

evaluate wine

identify and recommend improvements to viticultural practices that will contribute to enhanced wine quality in the next season

Context of and specific resources for assessment

Competency requires the application of work practices under work conditions Selection and use of resources for some worksites may differ due to the regional or enterprise circumstances

Method of assessment

Assessment methods must satisfy the endorsed Assessment Guidelines of the AHC Training Package and can be assessed holistically with other units

Assessment methods must satisfy the endorsed Assessment Guidelines of the AHC10 Training Package and can be assessed holistically with other units

Assessment methods must confirm consistency and accuracy of performance over time and in a range of workplace relevant contexts together with application of required knowledge

Assessment must be by direct observation of tasks with questioning on required knowledge and it must also reinforce the integration of employability skills

Assessment methods must confirm the ability to access interpret and apply the required knowledge

Assessment may be applied under projectrelated conditions real or simulated and require evidence of process

Assessment must confirm a reasonable inference that competency is able not only to be satisfied under the particular circumstance but is able to be transferred to other circumstances

The assessment environment should not disadvantage the candidate

Assessment practices should take into account any relevant language or cultural issues related to Aboriginality gender or language backgrounds other than English

Where the participant has a disability reasonable adjustment may be applied during assessment

Language and literacy demands of the assessment task should not be higher than those of the work role

Guidance information for assessment

To ensure consistency of performance competency should be demonstrated on more than one occasion over a period of time in order to cover a variety of circumstances cases and responsibilities and where possible over a number of assessment activities


Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Wine types and styles include:

dry white table wine

dry red table wine

sweet white table wine

sparkling wine

fortified wine

blended wines

Grape varieties

The major grape varieties used in the production of wine in Australia include:

major red varieties:

Shiraz

Cabernet Sauvignon

Merlot

Pinot Noir

major white varieties:

Chardonnay

Semillon

Riesling

Sauvignon Blanc

Sultana

The minor and newer wine varieties in Australia include:

red varieties:

Cabernet Franc

Malbec

Grenache

Chambourcin

Italian varieties

white varieties:

Chenin Blanc

Marsanne

Verdelho

Italian varieties

Chemical analyses include:

pH

sugar

titratable acid (TA)

sulphur dioxide

alcohol

malic/lactic acid

Organoleptic procedures include:

human sensory mechanisms; sight, smell, taste and feel

the four basic tastes; salt, sweet, sour, bitter

taste positions on tongue and in mouth; positions on tongue where tastes are experienced and positions in mouth where sensations are experienced

Additives and fining agents

Additives and finings include:

bentonite

PVPP

egg albumin

casein

gelatine

copper

Reasons for using additives and finings include:

moderating tannins

moderating phenolic content

reducing colour

reducing protein content

Trials to determine requirements include:

setting up

evaluation

Addition of additives/fining agents include:

calculation of additions to bulk wine

addition procedures

Hygienic working environment

The elements of winery hygiene include:

hygienic working environment

key areas and equipment, including:

tanks

barrels

hoses and pipes

presses

crushers/destemmers

receival area

floors

drains

Tasting procedures

Procedures essential for correct wine evaluation include:

explanation of reasons for tasting and evaluating wine

tasting conditions including:

physical environment

tasting glasses

amount of wine

temperature of wine

tasting procedures

taste and feel thresholds for different flavour/taste and mouth/feel relationships

mouth-feel sensations:

cause

feeling

location in mouth

wine descriptions:

accepted terminology - flavour wheel

colour

nose

palate

recording of notes

Major flavour and aroma components include:

flavour compounds

colour compounds

tannins

acids sugars

sugar

alcohol

water

wine components

flavour/aroma from grape

contribution to flavour/aroma/bouquet from wine making procedures:

grape composition, including changes during ripening and composition at ripening

composition changes, including change from grape juice to wine

Characteristics of wine include:

wine type and style

age

chemical components

packaging

Winemaking techniques include:

fermentation techniques

wood fermentation and maturation techniques

processing techniques including crushing, skin contact, pressing, filtration,fining, blending

ageing techniques including:

effect on style of wine

effect on composition of wine

effect on quality of wine

sparkling wine production techniques:

Methode Champenoise

transfer systems

Charmat

carbonation

fortified wine production techniques

Faults in wine include:

common wine faults

origin of wine faults

effect of wine faults on wine

sensory description of wine faults

bottle age versus wine faults

Packaging methods and bottle closure methods

Packaging methods include:

bottle

cask

cans

sachets

and a consideration of:

wine package labels - front and back

label integrity program

Wine bottle closures include:

corks

screw caps

and a consideration of:

effect on marketability

effect of wine quality

Wine labelling laws include:

Australian Wine and Brandy Corporation Act 1980 and regulations (including Label Integrity Program, Protected Names legislation)

Australian Food Standards

Food packaging legislation

Trade Practices Act 1974