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Evidence Guide: CPPSPS4001A - Assess and treat water problems in swimming pools and spas

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!

From the Wiki University

 

CPPSPS4001A - Assess and treat water problems in swimming pools and spas

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

Assess water quality.

  1. Water quality parameters are identified in line with regulatory and enterprise requirements.
  2. Samples to be collected to determine water quality are identified in line with regulatory and enterprise requirements.
  3. Equipment for water sampling and testing is identified and sourced in line with regulatory and enterprise requirements.
  4. Equipment is checked for availability and serviceability in line with enterprise procedures.
  5. Tests are conducted and associated sampling tested in line with regulatory and enterprise requirements.
  6. Samples for external analysis are prepared, packaged and sent to laboratory in line with regulatory and enterprise requirements.
  7. Test results are recorded in line with regulatory and enterprise procedures.
  8. Testing equipment is cleaned, checked and stored in line with enterprise procedures.
Water quality parameters are identified in line with regulatory and enterprise requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Samples to be collected to determine water quality are identified in line with regulatory and enterprise requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Equipment for water sampling and testing is identified and sourced in line with regulatory and enterprise requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Equipment is checked for availability and serviceability in line with enterprise procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Tests are conducted and associated sampling tested in line with regulatory and enterprise requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Samples for external analysis are prepared, packaged and sent to laboratory in line with regulatory and enterprise requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Test results are recorded in line with regulatory and enterprise procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Testing equipment is cleaned, checked and stored in line with enterprise procedures.

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 sampling and testing water quality in swimming pools and spas and applying appropriate treatment to respond to identified water quality problems.

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

A person should demonstrate the ability to:

sample and test or arrange for laboratory testing of water samples from swimming pools and spas

identify and implement treatment processes for identified water problems in swimming pools and spas

comply with safety requirements when sampling, testing and treating water in swimming pools and spas

report on outcomes of testing and treating swimming pool and spa water.

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:

water quality parameters

water contamination

treatment processes for water problems in swimming pools and spas.

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

communication skills to interact in an ethical manner with clients from diverse social, economic and cultural backgrounds

decision-making and problem-solving skills to identify types and appropriate treatments for water quality problems in swimming pools and spas

literacy skills to read and interpret regulatory and manufacturer guidelines for testing and treating water problems

numeracy skills to perform calculations related to water treatment

research skills to identify and locate information on ways of treating water problems in swimming pools and spas

technology skills to use water sampling and testing equipment

Required knowledge

chemical dosing: chemicals, procedures and benefits

common swimming pool and spa water problems:

algae

bather discomfort

biofilm

chlorination problems

cloudy water

combined chlorine

disinfectant by-products

discoloured water

faecal accident/incident

foaming

metal fixture corroding

nitrates

phosphates

recreational water illnesses

scale

scum line

stains

water balance problems

commonwealth, state or territory, and local government legislation and regulations, and Australian standards impacting on identifying and treating water problems in swimming pools and spas related to:

chemicals

dangerous goods

environment protection

environmental health

work health and safety

waste disposal

contamination response:

environmental

faecal

non-faecal

other

disinfection:

chlorine chemistry

disinfectants

principles

health effects of contaminated water in swimming pools and spas:

faecal incident response

faecal-related illnesses

recreational water illnesses

pool water contamination:

bacteria

protozoa

virus

testing:

for:

calcium hardness

chlorine demand

cyanuric acid

disinfection

hydrogen peroxide

metals

nitrates

non-halogen oxidisers

oxidation

oxidation reduction potential

pH

PHMB

phosphates

salt

temperature

total alkalinity

total dissolved solids

water balance

frequency

methods:

colorimetric

electronic

titrimetric

turbidimetric

procedures

sampling

test kit:

care

contents

treatments for swimming pool and spa water problems:

algaecides

breakpoint chlorination

chemical disinfection

chlorination

corrosion prevention

discoloured water

filtration

oxidation

ozone

shock dosing

spa water treatment:

reasons for treatment techniques

treatment techniques: change spa water, determine and correct pH level, sanitise the spa, and determine and correct total alkalinity

superchlorination

ultraviolet (UV) systems

water replacement

water balancing:

adjusted alkalinity

balance factors

calcium hardness

pH

principles

saturation index

temperature

testing

total alkalinity

total dissolved salts

water quality parameters

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.

Water quality parameters for:

private swimming pools and spas

public swimming pools and spas, including:

hydrotherapy and therapeutic exercise pools

wading and receiving pools associated with water slides

wave pools.

Tests may include:

colorimetric – disinfection and pH

electronic – total dissolved solids and pH

titrimetric – disinfection, total alkalinity and calcium hardness

turbidimetric – cyanuric acid.

Water problems may include:

algae

bather discomfort:

eye irritation

skin irritation

chlorination problems

cloudy water

discoloured water:

green or blue – green water

red-brown water

disinfectant by-products

faecal accident/incident

foaming

metal fixture corroding

microorganisms:

bacterial pathogens

protozoan pathogens

viral pathogens

yeast and fungal pathogens

scale

scum line

stains

water balance problems:

calcium hardness

pH

total alkalinity.

Treatment methods may include:

breakpoint chlorination

chemical disinfection

chlorination

corrosion prevention

filtration

oxidation

ozone

physical removal of pool water

shock dosing

spa water treatment:

changing spa water

determining and correcting pH level

sanitising the spa

total alkalinity

super chlorination

UV systems.

Preventative measures include:

pool and spa design

pool and spa maintenance

pool and spa operation.

Appropriate person includes:

facility manager

owner

swimming pool and spa operator.