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Evidence Guide: CPPSPS3002A - Perform basic swimming pool and spa measurements and calculations

Student: __________________________________________________

Signature: _________________________________________________

Tips for gathering evidence to demonstrate your skills

The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!

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CPPSPS3002A - Perform basic swimming pool and spa measurements and calculations

What evidence can you provide to prove your understanding of each of the following citeria?

Perform measurements related to swimming pool and spa servicing.

  1. Measurement requirements are confirmed in line with enterprise procedures.
  2. Preparations for measurement tasks are implemented in line with enterprise procedures.
  3. Measurements are obtained and confirmed using measuring equipment, in line with enterprise procedures and equipment manufacturer instructions.
  4. Measurements are recorded using correct measurement units in line with enterprise procedures.
  5. Measurement units are converted as required in line with enterprise procedures.
  6. Measuring equipment and materials are cleaned, checked for serviceability, calibrated, maintained and stored in line with organisational procedures.
  7. Established work practices and personal protective equipment are used when taking measurements to ensure safety and security of self, others and property.
  8. Environmental impact of measurement activities is minimised and waste is disposed of in line with enterprise procedures.
  9. Limitations of swimming pool and spa measurements and associated risks are identified in line with enterprise, Australian standard, legislative and manufacturer requirements.
Measurement requirements are confirmed in line with enterprise procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Preparations for measurement tasks are implemented in line with enterprise procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Measurements are obtained and confirmed using measuring equipment, in line with enterprise procedures and equipment manufacturer instructions.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Measurements are recorded using correct measurement units in line with enterprise procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Measurement units are converted as required in line with enterprise procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Measuring equipment and materials are cleaned, checked for serviceability, calibrated, maintained and stored in line with organisational procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Established work practices and personal protective equipment are used when taking measurements to ensure safety and security of self, others and property.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Environmental impact of measurement activities is minimised and waste is disposed of in line with enterprise procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Limitations of swimming pool and spa measurements and associated risks are identified in line with enterprise, Australian standard, legislative and manufacturer requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Assessed

Teacher: ___________________________________ Date: _________

Signature: ________________________________________________

Comments:

 

 

 

 

 

 

 

 

Instructions to Assessors

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.

Overview of assessment

This unit of competency could be assessed by performing measurements and calculations required to complete work tasks associated with servicing swimming pools and spas.

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

A person should demonstrate the ability to:

take measurements of regular and irregular shaped swimming pools and spas

perform area, perimeter and volume calculations of regular and irregular shaped swimming pools and spas that have pool floors with varying slopes and configurations

perform calculations of water loss in swimming pools and spas

calculate quantities of pool chemicals required to improve water quality

calculate flow rates and time taken to fill and empty swimming pools and spas

convert metric units of measurement and convert metric to imperial units of measurement and vice versa

interpret graphical representations of mathematical information related to swimming pools and spas

demonstrate knowledge of:

units of measurement

volume, area and perimeter calculations

weight and mass calculations

measurement techniques.

Context of and specific resources for assessment

Assessment of essential underpinning knowledge may be conducted in an off-site context and is to comply with relevant regulatory and Australian Standards’ requirements.

Resource implications for assessment include:

relevant codes, standards and government regulations

a technical reference library with current publications on:

measurement techniques

swimming pool and spa calculations.

Method of assessment

Assessment methods must:

satisfy the endorsed Assessment Guidelines of the CPP07 Property Services Training Package

include direct observation of tasks in real or simulated work conditions, with questioning to confirm the ability to consistently identify and correctly interpret the essential underpinning knowledge required for practical application

reinforce the integration of employability skills with workplace tasks and job roles

confirm that competency is verified and able to be transferred to other circumstances and environments.

This unit could be assessed on its own or in combination with other units relevant to the job function.

Guidance information for assessment

Reasonable adjustments for people with disabilities must be made to assessment processes where required. This could include access to modified equipment and other physical resources, and the provision of appropriate assessment support.

Assessment processes and techniques should, as far as is practical, take into account the language, literacy and numeracy capacity of the candidate in relation to the competency being assessed.

Required Skills and Knowledge

Required skills

decision-making and problem-solving skills to identify and apply mathematical formula to solve problems related to swimming pool and spa servicing, such as water loss

literacy skills to read and interpret text and graphical information required to perform calculations related to swimming pool and spa servicing, including area, volume and perimeter calculations

numeracy skills to perform calculations of quantity, area, volume, perimeter, flow rate and time

research skills to identify and locate online calculators for performing calculations related to swimming pool and spa servicing

technology skills to use online calculators to perform calculations related to swimming pool and spa servicing

Required knowledge

calculation methods:

flow rate

limitations

mass

perimeter

quantity

risks

surface area

time

volume

water loss and make-up water

weight

conversion of measurement units:

metric system conversions

metric to imperial measurement unit conversion and vice versa

graphical representations of mathematical information:

diagrams

graphs

symbols

measurements:

hazards, risks and enterprise safety procedures associated with measurements undertaken on site

limitations

measurement-recording procedures

measurement units

need for accuracy of measurements

purpose of measurements

types and function of measuring equipment

swimming pool and spa:

dimensions

pool floor configurations

shapes

water loss in swimming pools and spas:

evaporation

planned dilution:

total dissolved solids (TDS) level

user load

plumbing and shell leaks

user splash-out and drag-out

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.

Measurement requirements may include:

flow rates

swimming pool or spa chemical quantities

swimming pool or spa dimensions

temperatures.

Preparations for measurement tasks may include:

arrange transport

identify site hazards and assess risk

liaise with relevant personnel to arrange site access

prepare measuring and safety equipment.

Measurements may include:

linear measurements in metric scale

measurements for calculating areas, perimeters and volumes of regular and irregular shapes relevant to measuring swimming pools and spas, such as rectangles, squares, cubes, circles, semi-circles, triangles, trapeziums and cylinders

weights.

Measuring equipment may include:

bucket

calculator

ruler, including laser ruler

measuring flask

scales

stopwatch

tape measure

trundle wheel.

Recorded may include:

annotations

electronic data entry

sketches

written notes.

Conversions mayinclude:

distance units of measurements:

metric conversions

metric to imperial units of measurement and vice versa

surface area units of measurements:

metric conversions

metric to imperial units of measurement and vice versa

volume units of measurements:

metric conversions

metric to imperial units of measurement and vice versa

weight units of measurement:

metric conversions

metric to imperial units of measurement and vice versa.

Calculation requirements may include:

chemical quantities required to improve water quality:

dry

liquid

flow rate

surface area of swimming pools and spas:

irregular shapes

regular shapes

swimming pool or spa water loss

time to fill or empty swimming pools or spas

volume of swimming pools or spas:

constant slope

flat bottom

multi-depth

multi-depth circular.

Calculations mayinclude:

flow rate

mass

perimeter

quantity

surface area

time

volume

water loss and make-up water

weight.