Application
This unit of competency specifies the outcomes required to produce two-dimensional (2-D) drawings from instructions, sketches, drawings and plans for design projects using computer-aided design (CAD) software. It requires knowledge of Australian standards and drawing protocols to ensure the drawings produced and notations included conform to those standards and protocols.
The unit supports the production of 2-D building design drawings for residential, commercial and industrial building design projects. It applies to all construction industry personnel who are required to produce 2-D building design drawings using CAD software.
Licensing, legislative, regulatory or certification requirements apply to this unit of competency in some States. Relevant state and territory regulatory authorities should be consulted to confirm those requirements.
Elements and Performance Criteria
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the range of conditions. | ||
1. | Create drawing template files. | 1.1. | Basic drawing environment is set up according to organisational standards and industry protocols. |
1.2. | Layering strategy is created as needed to meet standard drawing requirements. | ||
1.3. | Architectural library is created to meet standard drawing requirements. | ||
1.4. | Text and dimension styles are created to meet standard drawing requirements. | ||
1.5. | Line types of different thicknesses are created to meet standard drawing requirements. | ||
1.6. | Hatch patterns and types are created to meet standard drawing requirements. | ||
1.7. | Title blocks are set up for different drawing sizes. | ||
1.8. | Reference schedules are set up according to workplace and statutory requirements. | ||
2. | Create 2-D drawings. | 2.1. | Drawing requirements are identified and confirmed with project personnel. |
2.2. | 2-D CAD software programs and functions are used to produce different types of 2-D drawings using suitable layers if required. | ||
2.3. | Notations, compliant with Australian standards and drawing protocols, are added to drawings as required. | ||
2.4. | Dimensions are added to drawings as required, and scales are applied according to Australian standards and drawing protocols. | ||
3. | Import files. | 3.1. | Digital text and drawing files from other software applications are imported into 2-D CAD drawings. |
3.2. | External 2-D drawing files are inserted into 2-D CAD drawings. | ||
3.3. | Hard copy documents are scanned and saved as correct file types to import into 2-D CAD drawings. | ||
4. | Edit drawing components. | 4.1. | Elements that are not required are deleted or purged from drawings. |
4.2. | Editing commands are used to modify drawing elements and text. | ||
5. | Print CAD drawings. | 5.1. | Page layout for the drawing file is set to suit printing requirements. |
5.2. | Print parameters for the printer are set. | ||
5.3. | Drawings are printed on the correct media. | ||
6. | Save and back up files. | 6.1. | File directories are created for the drawing project. |
6.2. | Drawing files are saved for later retrieval and backed up to specified drives or directories according to workplace procedures. | ||
7. | Export files. | 7.1. | Drawing files are created and sent to external personnel for use in different software applications. |
7.2. | PDF files are created for personnel to view completed drawings without using CAD software packages. | ||
Evidence of Performance
A person demonstrating competency in this unit must satisfy the requirements of the elements, performance criteria, foundation skills and range of conditions of this unit.
The person must use two different types of two-dimensional (2-D) computer-aided design (CAD) software according to manufacturer specifications and organisational standards to produce at least five different types of 2-D building design drawings selected from the following:
bracing plan
electrical power and lighting plan
floor framing plan
floor plan
house drainage plan (sewerage)
lot plan
roof drainage plan
roof framing plan
site plan
slab or footing layout plan
stormwater layout plan.
In doing the above, the person must:
identify and apply drawing standards and protocols
identify and apply styles, characteristics, technologies and decorative styles
demonstrate sound understanding of the structural function of building elements
import and export information
use range of 2-D CAD functions.
Evidence of Knowledge
A person demonstrating competency in this unit must demonstrate knowledge of:
architectural styles and terminology that apply to the building design drawings specified in the performance evidence
building materials used in building design projects, and their representation in drawings
structural systems used in building design projects and the structural function of building elements
drafting and drawing standards and protocols, including:
AS 1100.101 Technical drawing – General principles
AS 1100.301 Technical drawing – Architectural drawing
construction technology relating to building design projects
functions and operation of 2-D CAD software programs
general work health and safety (WHS) principles and responsibilities that apply to the production of 2-D CAD drawings
hard copy and digital file management procedures
types and uses of architectural drawings.
Assessment Conditions
The following must be present and available to learners during assessment activities:
equipment:
computer with two different types of 2-D CAD software
file management system
contingencies:
incompatible files supplied for importing into 2-D CAD drawing
specifications:
2-D CAD software user manual
details of drawings required
AS 1100.101 Technical drawing – General principles
AS 1100.301 Technical drawing – Architectural drawing.
Timeframe:
according to project schedule.
Assessor requirements
As a minimum, assessors must satisfy the assessor requirements in the Standards for Registered Training Organisations (RTOs) current at the time of assessment.
Foundation Skills
This section describes the language, literacy, numeracy and employment skills essential to performance in this unit but not explicit in the performance criteria. | |
Skill | Performance feature |
Learning skills to: | draw on past experience to apply drawing conventions specified in AS 1100.101 Technical drawing – General Principles, and AS |
Numeracy skills to: | apply measurements and make calculations relating to scales and ratios in drawings. |
Oral communication skills to: | clarify drawing requirements. |
Reading skills to: | interpret plans, drawings, specifications, design briefs and documentation from a variety of sources. |
Writing skills to: | add notations to drawings. |
Planning and organising skills to: | ensure coordinated development of drawings. |
Range Statement
This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below. | |
Drawing requirements | details: area analysis construction notes general notes location of neighbouring buildings services plans structural information five or more of the following: bracing plans electrical power and lighting plans floor framing plans floor plans house drainage plans (sewerage) lot plans roof drainage plans roof framing plans site plans slab or footing layout plans stormwater layout plans. |
Drawing protocols | abbreviations commonly used symbols dimensioning drawing titles hatched regions legends lettering standards line types numbering paper size scale schedules standard units of measurement. |
Sectors
Building design