Modification History
Release 1 (MEM05v9).
Unit Descriptor
This unit of competency covers the skills and knowledge required to use air flow and distribution principles used in heating, ventilation, air conditioning and refrigeration (HVAC/R) systems and to identify different system configurations to design a single, one-air distribution system and service related system components.
Application of the Unit
The unit applies to the design of single, one-air distribution system and service-related system components, including meeting environmental and cost control requirements. The unit may be applied to individuals working alone or as part of a design team.
The unit is suitable for people working as supervisors, technicians and HVAC/R draftspersons, and those pursuing manufacturing engineering or related technical qualifications and careers.
Licensing/Regulatory Information
Not applicable.
Pre-Requisites
MEM23004A |
Apply technical mathematics |
MEM23006A |
Apply fluid and thermodynamics principles in engineering |
MEM30031A |
Operate computer-aided design (CAD) system to produce basic drawing elements |
MEM30033A |
Use computer-aided design (CAD) to create and display 3-D models |
Employability Skills Information
This unit contains employability skills.
Elements and Performance Criteria Pre-Content
Elements describe the essential outcomes of a unit of competency. |
Performance criteria describe the performance needed to demonstrate achievement of the element. |
Elements and Performance Criteria
1 |
Determine design specification for basic single zone duct distribution system |
1.1 |
Obtain and implement work health and safety (WHS) and environmental requirements for a given work area |
1.2 |
Determine design requirements for the single zone duct distribution system from customer requirements, job specifications, and briefings or discussions with appropriate personnel |
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1.3 |
Identify and interpret relevant codes and standards |
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1.4 |
Prepare final specifications for the design and obtain relevant approvals |
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1.5 |
Identify sources of professional and technical assistance |
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1.6 |
Establish coordination and contingency management requirements of design work with other HVAC/R and building systems team members |
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1.7 |
Obtain resources required for the design task in accordance with enterprise procedures |
2 |
Design basic single zone duct distribution system |
2.1 |
Review options for basic single zone duct distribution system design and compare against specified requirements |
2.2 |
Select most suitable single zone duct distribution system design to meet requirements |
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2.3 |
Use 3-D CAD system to design layout and other features of single zone duct distribution system against requirements |
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2.4 |
Select appropriate duct materials and duct system components, including an appropriate fan for distribution |
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2.5 |
Consult as appropriate on any design adjustments required to meet contingencies and unexpected situations |
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2.6 |
Review design for cost reductions and compliance with environmental and regulatory requirements, as appropriate |
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2.7 |
Review final design with appropriate personnel and make any required adjustments |
3 |
Evaluate and finalise design |
3.1 |
Prepare final design documentation, including construction documentation if required |
3.2 |
Prepare final report according to enterprise procedures |
Required Skills and Knowledge
This section describes the skills and knowledge required for this unit. |
Required skills |
Required skills include:
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Required knowledge |
Required knowledge includes:
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Evidence Guide
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. |
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Overview of assessment |
A person who demonstrates competency in this unit must be able to design basic single zone duct distribution systems to meet customer requirements, including cost specifications, and WHS and other regulatory requirements. |
Critical aspects for assessment and evidence required to demonstrate competency in this unit |
Assessors must be satisfied that the candidate can competently and consistently:
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Context of and specific resources for assessment |
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Method of assessment |
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Guidance information for assessment |
Assessment processes and techniques must be culturally appropriate and appropriate to the language and literacy capacity of the candidate and the work being performed. |
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. |
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WHS requirements |
WHS requirements include:
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Environmental requirements |
Environmental requirements include:
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Single zone duct distribution system |
A single zone duct distribution system is a basic central system which can supply a constant air volume or a variable air volume at low, medium or high pressure through a single duct |
Appropriate personnel |
Appropriate personnel may include:
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Enterprise procedures |
Enterprise procedures may include:
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Resources |
Resources may include:
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Contingencies and unexpected situations |
Contingencies and unexpected situations that arise during the course of the design process may include:
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Unit Sector(s)
Competency field |
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Unit sector |
Engineering science |
Custom Content Section
Not applicable.