NZS 5826:2000
Pool water quality
This covers the essential aspects of the operation and maintenance of pools in regard to pool water quality criteria including reference to methods of water treatment. It does not cover maintenance of heating equipment or of mechanical and electrical equipment. It covers all fresh water and sea water swimming pools and spa pools and geothermal pools during use. Safe handling of swimming pool chemicals is also covered.
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COMMITTEE REPRESENTATION
ACKNOWLEDGEMENT
COPYRIGHT
CONTENTS
RELATED DOCUMENTS
FOREWORD
1 SCOPE, OBJECTIVE AND INTERPRETATION
1.1 Scope
1.2 Objective
1.3 Interpretation
2 DEFINITIONS
3 WATER TREATMENT
3.1 General
3.2 Mechanical
3.3 Chemical
3.4 Discharge from pools
3.5 Training
4 WATER QUALITY CRITERIA AND TESTING FREQUENCIES
4.1 Introduction
4.2 Chemical criteria and frequency of testing
4.3 Microbiological criteria for public pools
5 ADDITIONAL REQUIREMENTS FOR SPA POOLS
5.1 General
5.2 Pool load factor and need for treatment
6 SPECIFIC REQUIREMENTS FOR GEOTHERMAL POOLS
6.1 General
6.2 Special requirements for unfiltered, non-recirculating geothermal systems
6.3 General precautions
7 CHEMICAL PRINCIPLES FOR CHLORINATED POOLS
7.1 Introduction
7.2 Chlorine-based treatment chemicals
7.3 Principles of free available chlorination
8 ALTERNATIVES TO CHLORINE FOR POOL DISINFECTION
8.1 General
8.2 Bromine
8.3 Ozonation
8.4 Polyhexamethylene biguanide hydrochloride (PHMB)/didecyl dimethyl ammonium chloride (DDAC)/ hydrogen peroxide
8.5 Ionic treatment (copper-silver ion treatment)
8.6 Ultraviolet treatment
8.7 Chlorine dioxide
8.8 Other means of disinfection
APPENDIX
A - Health considerations (Normative)
B - Safe handling and storage of chemicals (Informative)
C - Chemical dosing procedures (Informative)
D - Checklist of duties and procedures for safe operation of swimming pools (Informative)
E - Water quality test procedures, test kits and equipment (Informative)
F - Coagulations and flocculation (Informative)
G - Troubleshooting (Informative)
H - Glossary of Terms (Informative)
TABLE
1 – Chemical water quality criteria – domestic swimming pools and domestic spa pools
2 – Chemical water quality criteria – public swimming pools and public spa pools
3 – Minimum frequency of chemical testing for swimming pools
4 – Minimum frequency of chemical testing for spa pools
5 – Microbiological water quality criteria
A1 – Guideline contact times and dose rates to inactivate Giardia and Cryptosporidium
B1 – Guidelines for segregation when storing pool chemicals
E1 – Alkalinity x hardness products above which calcium carbonate scaling and precipitation can occur
E2 – Typical changes in pH and alkalinity expected when chemicals are added
G1 – Trouble shooting
FIGURE
B1 – Sample safety notice
D1 – Sample notice for filter plant and pool details
E1 – Watergram for determining chemical balance of water
E2 – Watergram for example calculation in E9.4
INDEX
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References
Code of practice for swimming pools
Code of practice for the operation of swimming pools - The control of pool water quality
Code of practice for the operation of swimming pools - Plain language code of practice for the control of water quality in school swimming pools
Code of practice for the operation of swimming pools - The control of water quality in home swimming pools
Code of practice for the operation of swimming pools - The control of water quality in commercial spa pools
Code of practice for the operation of swimming pools - The control of water quality in home spa pools
Related Information
A Guide To Occupational Health And Safety In The New Zealand Sex Industry
Ministry: WorkSafe New Zealand
Section: Disinfection of swimming and spa pools
Citation context:Spa water should be treated to NZ Standard 5826:2000 Pool Water Quality.
Public Health Bill 177-2 (2007)
Ministry: Ministry of Health
Section: Schedule 2, Part 2
Citation context:Pool means any pool (including fresh and sea water swimming pools, geothermal pools, and spa pools) other than domestic pools as defined by New Zealand Standard NZS 5826:2000.
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COMMITTEE REPRESENTATION
ACKNOWLEDGEMENT
COPYRIGHT
CONTENTS
RELATED DOCUMENTS
FOREWORD
1 SCOPE, OBJECTIVE AND INTERPRETATION
1.1 Scope
1.2 Objective
1.3 Interpretation
2 DEFINITIONS
3 WATER TREATMENT
3.1 General
3.2 Mechanical
3.3 Chemical
3.4 Discharge from pools
3.5 Training
4 WATER QUALITY CRITERIA AND TESTING FREQUENCIES
4.1 Introduction
4.2 Chemical criteria and frequency of testing
4.3 Microbiological criteria for public pools
5 ADDITIONAL REQUIREMENTS FOR SPA POOLS
5.1 General
5.2 Pool load factor and need for treatment
6 SPECIFIC REQUIREMENTS FOR GEOTHERMAL POOLS
6.1 General
6.2 Special requirements for unfiltered, non-recirculating geothermal systems
6.3 General precautions
7 CHEMICAL PRINCIPLES FOR CHLORINATED POOLS
7.1 Introduction
7.2 Chlorine-based treatment chemicals
7.3 Principles of free available chlorination
8 ALTERNATIVES TO CHLORINE FOR POOL DISINFECTION
8.1 General
8.2 Bromine
8.3 Ozonation
8.4 Polyhexamethylene biguanide hydrochloride (PHMB)/didecyl dimethyl ammonium chloride (DDAC)/ hydrogen peroxide
8.5 Ionic treatment (copper-silver ion treatment)
8.6 Ultraviolet treatment
8.7 Chlorine dioxide
8.8 Other means of disinfection
APPENDIX
A - Health considerations (Normative)
B - Safe handling and storage of chemicals (Informative)
C - Chemical dosing procedures (Informative)
D - Checklist of duties and procedures for safe operation of swimming pools (Informative)
E - Water quality test procedures, test kits and equipment (Informative)
F - Coagulations and flocculation (Informative)
G - Troubleshooting (Informative)
H - Glossary of Terms (Informative)
TABLE
1 – Chemical water quality criteria – domestic swimming pools and domestic spa pools
2 – Chemical water quality criteria – public swimming pools and public spa pools
3 – Minimum frequency of chemical testing for swimming pools
4 – Minimum frequency of chemical testing for spa pools
5 – Microbiological water quality criteria
A1 – Guideline contact times and dose rates to inactivate Giardia and Cryptosporidium
B1 – Guidelines for segregation when storing pool chemicals
E1 – Alkalinity x hardness products above which calcium carbonate scaling and precipitation can occur
E2 – Typical changes in pH and alkalinity expected when chemicals are added
G1 – Trouble shooting
FIGURE
B1 – Sample safety notice
D1 – Sample notice for filter plant and pool details
E1 – Watergram for determining chemical balance of water
E2 – Watergram for example calculation in E9.4
INDEX
Previous versions
NZS 5826:2000
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.