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AS 1546.3:2017
[Current]On-site domestic wastewater treatment units, Part 3: Secondary treatment systems
This Standard sets out requirements for the design, commissioning, performance and compliance testing of secondary treatment systems (STS) and advanced secondary treatment systems designed to treat domestic wastewater. The design hydraulic treatment capacities that may be tested in accordance with this Standard range from a minimum of 1200L/d to a maximum of 5000L/d. Guidance on installation, operation and maintenance is also provided.
Published: 16/02/2017
Pages: 51
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope of standard
1.2 Inclusions
1.3 Exclusions
1.4 Objectives
1.5 Interpretation
1.6 Application
1.6.1 General
1.6.2 Nutrients
1.6.3 Legislation
1.7 Normative references
1.8 Definitions
1.9 Test requirements
1.9.1 General
1.9.2 Test STS for assessment of compliance with this Standard
1.10 Abbreviations
2 Performance criteria and design requirements
2.1 Scope of section
2.2 Performance criteria
2.2.1 General
2.2.2 Effluent compliance criteria
2.2.3 Nutrient reduction testing (where specified by the supplier)
2.3 Design requirements
2.3.1 Design parameters
2.3.2 Design considerations
2.3.3 Temperature range
2.3.4 Tanks and fittings
2.3.5 Selection of materials
2.3.6 Design and construction of tanks
2.3.7 Emergency storage capacity
2.3.8 Contamination of effluent storage chamber
2.3.9 Mechanical and electrical equipment
2.3.10 Noise levels
2.3.11 Service life
2.3.12 Alarm system
2.3.13 Modifications
2.3.13.1 General
2.3.13.2 Modifications triggering system retest
2.3.13.3 Modifications not requiring retest
2.3.14 Sampling points
2.3.15 Disinfection
2.3.15.1 General
2.3.15.2 Disinfection apparatus
2.4 Electricity consumption
2.5 Installation
2.6 Operation and maintenance
3 Marking of secondary treatment systems
3.1 Scope of section
3.2 Requirements
3.2.1 Minimal information
3.2.2 Permanence and visibility
4 Information to be provided with an STS
4.1 Scope of section
4.2 STS documentation
4.2.1 STS data
4.2.2 Installation, operation and maintenance instructions
4.2.2.1 General
4.2.2.2 Installation instructions
4.2.2.3 Operating and maintenance instructions
5 Evaluation of product conformity
5.1 Scope of section
5.2 Product conformity
Appendix A
A1 Scope of Appendix
A2 Test STS
A3 Testing facility
A4 Installation for testing
A4.1 General
A4.2 Specifications
A5 Type testing procedures
A5.1 General
A5.2 Influent
A5.2.1 Influent collection
A5.2.2 Influent quality and testing
A5.2.3 Influent distribution
A5.2.4 Temperature
A5.3 Commissioning phase
A5.3.1 General
A5.3.2 Sludge accumulation testing
A5.3.3 Nutrient testing
A5.4 Sampling
A5.4.1 General
A5.4.2 Stress test sampling
A5.5 Method of analysis
A5.6 Testing schedule
A5.7 Daily influent flow schedule
A5.8 Sampling schedule
A5.9 Stress test procedures
A5.9.1 General
A5.9.2 Laundry day stress test
A5.9.3 Power failure stress test
A5.9.4 Overload (133% capacity) stress test
A5.9.5 Vacation/no flow stress test
A5.9.6 Chemical stress test
A5.9.7 Surge/peak flow stress test
A5.10 Alternative disinfection system testing
A5.11 Maintenance servicing
A5.12 Outcomes of testing
A5.13 Reporting
A5.14 Decommissioning the STS
Appendix B
B1 Scope of Appendix
B1.1 General
B1.2 Disinfection purpose
B2 Chlorine disinfection
B2.1 General
B2.2 Chlorine disinfection apparatus
B2.3 Chlorine application apparatus
B2.3.1 Liquid chlorine dosing
B2.3.2 Solid chlorine disinfection
B3 Ultraviolet light disinfection
B3.1 General
B3.2 Apparatus
B3.3 Ultraviolet lamps
Appendix C
C1 Scope of Appendix
C2 Installation
C3 Site requirements
C3.1 Near buildings
C3.2 Desludging access
C3.3 Geotechnical
C3.4 Surface and subsurface waters
C3.5 Sanitary drainage
C4 Manufacturer’s installation instructions
C5 Installation verification
Appendix D
D1 Scope of Appendix
D2 Operation and maintenance procedures
D2.1 General
D2.2 Procedures
D2.3 Manuals
D3 Operational monitoring
D3.1 General
D3.2 Disinfection monitoring
Appendix E
E1 Scope of Appendix
E2 Relevance
E3 Testing and product certification
E4 Definitions
E4.1 Batch release inspection and test
E4.2 Certification scheme
E4.3 Production batch
E4.4 Sample
E5 Minimum sampling and testing frequency plan
E5.1 General
E5.2 Quality plan
Amendment control sheet
Bibliography
Cited references in this standard
Content history
[Current]
[Available Superseded]
AS/NZS 1546.3-2008
DR AS 1546.3:2015
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