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AS/NZS 1546.2:2008
[Current]On-site domestic wastewater treatment units, Part 2: Waterless composting toilets
AS/NZS 1546.2 aims to: 1. Provide a set of performance statements that form a base against which any waterless composting toilet, conventional or innovative, may be assessed. 2. Provide manufacturers of waterless composting toilets with a performance evaluation test that will confirm the conditions under which it will function best (this will enable certification bodies to check that a product conforms to the Standard). 3. Ensure that the operation and maintenance of a waterless composting toilet is done in a safe manner that meets basic health requirements given that it involves the removal of composted or partially composted material.
Published: 25/05/2008
Pages: 42
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
FOREWORD
1 GENERAL
1.1 Objective
1.2 Scope and interpretation
1.2.1 Scope
1.2.2 Interpretation
1.3 Application
1.3.1 Conventional designs and materials
1.3.2 Non-standard materials, installations or designs
1.3.3 Operation and maintenance
1.4 Legislation
1.4.1 Australia
1.4.1.1 Approval
1.4.1.2 Building Code of Australia
1.4.2 New Zealand
1.4.2.1 New Zealand Building Code
1.4.2.2 Resource Management Act
1.4.2.3 Health Act
1.5 Referenced documents
1.6 Definitions
1.7 Abbreviations
2 PERFORMANCE REQUIREMENTS AND PERFORMANCE CRITERIA
2.1 Scope
2.2 Perfomance objective
2.3 General
2.3.1 Function
2.3.2 Context of use
2.4 Performance requirements
2.4.1 General
2.4.2 Public health and environment
2.4.3 Construction
2.4.4 Mechanical and electrical equipment
2.4.5 Serviceable life
2.5 Performance criteria – Public health and environment
2.5.1 Non-contact with compost pile
2.5.2 Opening at pedestal base
2.5.3 Ventilation
2.5.4 Insect and vermin control
2.5.5 Watertightness
2.5.6 End product quality
2.5.6.1 Composted end product
2.5.6.2 Liquid end product
2.6 Performance criteria – Construction
2.6.1 Access openings and covers to chambers
2.6.1.1 General
2.6.1.2 Access covers
2.6.2 Materials
2.6.2.1 Degradation
2.6.2.2 Exposure to the environment
2.6.2.3 Cleaning
2.6.3 Loads
2.6.3.1 General
2.6.3.2 Integrity during handling or installation
2.6.3.2.1 General
2.6.3.2.2 Verification test
2.6.3.3 In-ground installation
2.6.3.4 Hydrostatic uplift
2.6.3.5 Top loads
2.6.4 Inspection and maintenance
2.6.5 Mechanical and electrical equipment
2.6.6 Alarm system
2.6.7 Noise
3 DESIGN FACTORS
3.1 Scope
3.2 General
3.3 Design considerations – Public health and environment
3.3.1 End products
3.3.1.1 Composted end product
3.3.1.2 Excess liquid
3.3.2 Odour control
3.3.3 Insect and vermin control
3.4 Design considerations – Construction
3.4.1 Design capacity
3.4.2 Composting chamber
3.4.3 Access
3.4.4 Construction materials
3.4.4.1 Selection and use
3.4.4.2 Pipes, fittings, and fixings
3.5 Composting requirements
3.5.1 Compost aeration
3.5.2 Temperatures and humidities – Manufacturer’s specification
3.5.3 Temperatures and humidities – Short-term variance
3.5.4 Temperatures and humidities – Long-term variance
3.6 Marking
3.7 Testing
3.8 Monitoring
3.9 Non-residential design guidelines
4 INFORMATION AND INSTRUCTIONS
4.1 Scope
4.2 Installation, operation, and maintenance manual
4.2.1 Operating conditions
4.2.1.1 Normal conditions
4.2.1.2 Operating conditions outside approval test range
4.2.2 Installation instructions
4.2.3 Operation and maintenance
4.2.4 Risk management
4.2.4.1 Remedial action
4.2.4.2 Disposal of end products
5 MARKING
5.1 Minimum information
5.2 Permanence and visibility
APPENDIX A
A1 SCOPE
A2 QUALITY REQUIREMENTS
A3 COLOUR
APPENDIX B
B1 SCOPE
B2 PRINCIPLE
B3 APPARATUS
B4 TESTING
B4.1 Procedure
B4.2 Test criteria
B5 REPAIR
B6 TEST RECORDS
APPENDIX C
C1 SCOPE
C2 PRINCIPLES
C3 APPARATUS
C4 PROCEDURE FOR SAMPLING
C4.1 Samples
C4.2 Size, location, and number of samples
C4.2.1
C4.2.2
C4.3 Sample consistency, odour, and colour
C4.4 Sample labelling
C4.5 Sample storage and delivery
APPENDIX D
D1 SCOPE
D2 PRINCIPLE
D3 MODEL SERIES
D4 TEST SITE
D5 INSTALLATION, OPERATION, AND MAINTENANCE
D6 ANALYSIS OF SAMPLES
D7 TEST METHODOLOGY
D7.1 Test loading
D7.2 Period of evaluation
D7.3 Sampling
D7.3.1 Continuous process
D7.3.2 Batch process
D7.4 Testing
D8 USAGE DURING TEST PERIOD
D9 METEOROLOGICAL DATA
D10 REPORTING
D11 ASSESSMENT
APPENDIX E
E1 SCOPE
E2 RESIDENTIAL USE
E3 NON-RESIDENTIAL/PUBLIC FACILITIES
E3.1 Design capacity
E3.2 Numbers of toilet pedestals
E4 SEPARATION OF URINE
E5 REMOVAL OF EXCESS MOISTURE
E5.1 Ventilation
E5.2 Bulking material
E6 CONDITIONS FOR COMPOSTING
E7 Composting design requirements
APPENDIX F
F1 SCOPE
F2 RELEVANCE
F3 PRODUCT CERTIFICATION
F4 DEFINITIONS
F5 TESTING
F5.1 Type testing
F5.2 Batch release testing
F5.3 Retesting
APPENDIX G
G1 SCOPE
G2 CONTROL SYSTEM
G2.1 Pre-qualification
G2.2 Licensing
G3 MONITORING SYSTEMS
APPENDIX H
H1 SCOPE
H2 TRAINING/EDUCATION
H2.1 General
H2.2 Responsibility
H2.3 Education material
H2.4 Replacement material
H3 RISK
H4 INFORMATION FOR SERVICE OPERATORS
APPENDIX J
J1 SCOPE
J2 GENERAL
J3 CONTENTS
J4 ASSESSMENT OF RISK
APPENDIX K
K1 GENERAL
K2 PRINCIPLE
K2.1 Reduce risk of inhalation
K2.2 Reduce risk of ingestion
K2.3 Reduce risk of abrasion
Cited references in this standard
[Current]
The use of ventilation and airconditioning in buildings, Part 2: Ventilation design for indoor air contaminant control
AS 2031-2001
Selection of containers and preservation of water samples for microbiological analysis
[Available Superseded]
General requirements for the competence of testing and calibration laboratories
[Current]
Water quality — Sampling, Part 1: Guidance on the design of sampling programs, sampling techniques and the preservation and handling of samples
ASTM D4959:2007
Standard test method for determination of water (moisture) content of soil by direct heating
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