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

UEERA0024 Mapping and Delivery Guide
Design hydronic systems and select equipment

Version 1.0
Issue Date: May 2024


Qualification -
Unit of Competency UEERA0024 - Design hydronic systems and select equipment
Description
Employability Skills
Learning Outcomes and Application This unit involves the skills and knowledge required to design hydronic systems and select equipment.It includes applying processes and methods of hydronic systems, safety and relevant industry standards; developing alternative design schemes based on a design brief and customer requirements; and documenting system designs.The skills and knowledge described in this unit may, in some jurisdictions, require a licence or permit to practice in the workplace subject to regulations for undertaking refrigeration and air conditioning work. Practice in the workplace and during training is also subject to work health and safety (WHS)/occupational health and safety (OHS) regulations.No other licensing, legislative or certification requirements apply to this unit at the time of publication.
Duration and Setting X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting.

Assessors must hold credentials specified within the Standards for Registered Training Organisations current at the time of assessment.

Assessment must satisfy the Principles of Assessment and Rules of Evidence and all regulatory requirements included within the Standards for Registered Training Organisations current at the time of assessment.

Assessment must occur in suitable workplace operational situations where it is appropriate to do so; where this is not appropriate, assessment must occur in simulated suitable workplace operational situations that replicate workplace conditions.

Assessment processes and techniques must be appropriate to the language, literacy and numeracy requirements of the work being performed and the needs of the candidate.

Resources for assessment must include access to:

a range of relevant exercises, case studies and/or simulations

relevant and appropriate materials, tools, facilities and equipment currently used in industry

applicable documentation, including workplace procedures, equipment specifications, regulations, codes of practice and operation manuals
Prerequisites/co-requisites
Competency Field Refrigeration and air-conditioning
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: Prepare to design hydronic systems and select equipment
  • WHS/OHS requirements and workplace procedures for a given work area are identified, obtained and applied
       
Element: WHS/OHS risk control measures and workplace procedures are followed in preparation for the work
       
Element: Scope of the proposed hydronic system is determined from the design brief and/or consultations with relevant person/s
       
Element: Design development work is planned in accordance with workplace procedure for timelines in consultation with others involved
       
Element: Design hydronic systems and select equipment
  • Relevant hydronic system processes and methods are applied to the design
       
Element: Alternative concepts for design are evaluated in accordance with the design brief
       
Element: Safety, functionality and budgetary considerations are incorporated in the design specifications
       
Element: System design draft is checked for compliance in accordance with the design brief and relevant industry standards
       
Element: System design is documented for submission to relevant person/s for approval
       
Element: Unplanned events are dealt with in accordance with problem-solving techniques and workplace procedures
       
Element: Obtain approval for hydronic system design and equipment selection
  • System design is presented to customer and/or relevant person/s
       
Element: Requests for alterations to the design are negotiated with relevant person/s in accordance with workplace procedures
       
Element: Final design is documented and approval obtained from relevant person/s in accordance with workplace procedures
       
Element: Quality of work is monitored in accordance with workplace procedures and relevant industry standards
       


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.

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least one occasion and include:

developing outlines of alternative designs

developing the design within the safety, regulatory, functional requirements and budget limitations

documenting and presenting design effectively

successfully negotiating design alteration requests

obtaining approval for final design

dealing with unplanned events

applying relevant work health and safety (WHS)/occupational health and safety (WHS/OHS) requirements, including using risk control measures

designing hydronic systems and selecting equipment

preparing to design hydronic systems and select equipment.

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

heating, ventilation and air conditioning/refrigeration (HVAC/R) hydronic system design, safe working practices and relevant standards, codes and regulations, including:

hydronic system design fundamentals:

principles of fluid flow

properties of fluids

flow of ideal fluids

fluid flow equipment

Bernoulli Theorem

fluid flow in pipes

pressure loss and static head – calculation:

flow throughout system

pressure throughout system

friction losses

pressure loss charts for: copper, steel and unplasticised polyvinyl chloride (uPVC)

dynamic losses

fitting pressure losses

fitting interaction

total losses

calculating system (static and dynamic) head

pump performance and selection:

pump classification and types

pump performance terminology, discharge, head, power, efficiency, speed and net positive suction head required

pump performance curves

pump laws

system head and ‘K’ factor

balance points

energy considerations

pump cavitation

calculation of net positive suction head available

series and parallel operation

pipe sizing:

maximum friction rate

erosion and equipment life

industry standards

recommended system water velocities

economic balance - first cost and operating cost

hot water systems:

boilers

coils

expansion tanks

pumps and characteristics curves

control valves, types and flow diagrams

air purge points

water treatment

pipe anchors and expansion joints

chilled water systems:

chillers

coils

expansion tanks

pumps and characteristics curves

control valves, types and flow diagrams

air purge points

water treatment

pipe anchors and expansion joints

HVAC/R hydronic systems:

systems operation

closed/open systems

pump head/lift and static head (high-rise building)

system friction losses

nett positive suction head

system curves

pumps:

types

selection criteria

performance characteristics

bladder tanks

coil characteristics

heat exchangers: plate, shell and tube, and tube in tube

flow measurements: types

flow switchers

builders: types and performance characteristics

cooling towers: elementary cooling thermodynamics and types

valves - flow control devices:

types and applications

throttling characteristics

flow measurements

selection and applications

hydronic system configuration and design:

piping configurations

single pipe closed circuit

two pipe closed circuit

direct return

three pipe closed circuit with reversed return

three-way diverting valves

risers and headers

component location

evaluation of piping configurations:

capital cost

owning and operating costs

noise vibration

maintenance

future expansion

commissioning and balancing

operating characteristics

cavitation

system pipe sizes:

pipe dynamic and friction losses for different materials

fitting pressure losses for different materials

thermal heat losses

bare, insulated and underground pipes

air conditioning system design

problem-solving techniques

relevant job safety assessments or risk mitigation processes

relevant manufacturer specifications

relevant WHS/OHS legislated requirements

relevant workplace budget, quality, policies and procedures

relevant workplace documentation.

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.

Range is restricted to essential operating conditions and any other variables essential to the work environment.

Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.

Designing hydronic systems must include at least the following:

two different hydronic systems

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
WHS/OHS requirements and workplace procedures for a given work area are identified, obtained and applied 
 
 
 
Relevant hydronic system processes and methods are applied to the design 
 
 
 
 
 
System design is presented to customer and/or relevant person/s 
 
 
 

Forms

Assessment Cover Sheet

UEERA0024 - Design hydronic systems and select equipment
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

UEERA0024 - Design hydronic systems and select equipment

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: