Elements and Performance Criteria

Equivalent standard
Equivalent standard may include:
AS 1654.1-1995 ISO system of limits and fits - Bases of tolerances, deviations and fits
Dimensioning
Dimensioning may include:
symbols
lines
numerical value
linear
angular
diameter
radius
not to scale (NTS)
auxiliary
reference
common feature
tabular presentation
squares
holes
screw heads
tapers/slope
profiles
notes
Tolerancing
Tolerancing may include:
basic dimension
bilateral
unilateral
zone
datum
tolerance grade
datum feature
Symbols used for tolerancing
Symbols used for tolerancing may include, but are limited to:
datum identification
form
location
profile
runout
modifiers
Symbols used for dimensioning
Symbols used for dimensioning may include, but are not limited to:
diameter
square
counterbore
countersink
depth
dimension origin
reference value
slope
taper
radius
spherical radius
Condition
Condition may include:
fit
limits of size
fundamental deviation
allowance
maximum material condition
least material condition
Geometry tolerancing
Geometry tolerancing may include:
virtual condition and size
geometric reference frame
principle of independency
tolerance (form, profile, orientation and position)
characteristics, including:
straightness
flatness
circularity
cylindricity
profile
squareness
parallelism
angularity
runout
tolerance indication method
projected tolerances
statistical value tolerances
Assembly drawing types
Assembly drawing types may include:
general assembly
detailed assembly
layout drawings
installation drawings
erection diagrams
shop and field assemblies
pictorial exploded drawings
Information from dimensioned drawing
Information from dimensioned drawing may include:
limits of size
fundamental deviation
allowance
tolerance, including:
maximum material condition
least material condition
fit
Drawings
Drawings must include:
accurate representation, including any necessary hidden detail of the specific assembly
border, title block and projection symbols
accurate line work
appropriately positioned views
hatching to AS 1100.101-1992 Technical drawing - General principles specifications (sectioned third angle orthogonal assembly drawings)
correct use of terminology and abbreviations
Auxiliary projection
Auxiliary projection (primary views only) may include:
purpose for auxiliary projection
planes of projection
projection involving circular components
border, title block and projection symbols

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
A person who demonstrates competency in this unit must be able to perform advanced engineering detail drafting techniques to produce assembly, sectioned drawings and specialised dimensioning and auxiliary views to AS 1100.101-1992 Technical drawing - General principles, or equivalent.
Critical aspects for assessment and evidence required to demonstrate competency in this unit
Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria, including required knowledge, and be capable of applying the competency in new and different situations and contexts.
Specifically the candidate must be able to:
work within typical site/teamwork structures and methods
apply worksite communication procedures
comply with organisational policies and procedures, including quality requirements
participate in work meetings
comply with quality requirements
use industry terminology
apply appropriate safety procedures
perform required calculations to determine tolerances and fits required to meet design requirements
produce drawings to AS 1100.101-1992 Technical drawing - General principles, with all components identified.
Context of and specific resources for assessment
This unit may be assessed on the job, off the job or a combination of both on and off the job. Where assessment occurs off the job, that is the candidate is not in productive work, then an appropriate simulation must be used where the range of conditions reflects realistic workplace situations. The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team. The assessment environment should not disadvantage the candidate.
This unit could be assessed in conjunction with any other units addressing the safety, quality, communication, materials handling, recording and reporting associated with performing advanced engineering detail drafting or other units requiring the exercise of the skills and knowledge covered by this unit.
Method of assessment
Assessors should gather a range of evidence that is valid, sufficient, current and authentic. Evidence can be gathered through a variety of ways, including direct observation, supervisor's reports, project work, samples and questioning. Questioning techniques should not require language, literacy and numeracy skills beyond those required in this unit of competency. The candidate must have access to all tools, equipment, materials and documentation required. The candidate must be permitted to refer to any relevant workplace procedures, product and manufacturing specifications, codes, standards, manuals and reference materials.