AS/NZS 1546.1:2008

1-AS/NZS 1546.1:2008 ON-SITE DOMESTIC WASTEWATER TREATMENT UNITS - PART 1: SEPTIC TANKS
4-FOREWORD
5-CONTENTS
7-1 GENERAL
7-1.1 Objective
7-1.2 Scope
7-1.2.1 General
7-1.2.2 Structural design
8-1.3 Interpretation
8-1.4 Application
8-1.4.1 General
8-1.4.2 Conventional designs and materials
8-1.4.3 Non-standard materials, installations, or designs
9-1.4.4 Operation and Maintenance
9-1.5 Legislation
9-1.5.1 Australia
9-1.5.2 New Zealand
9-1.5.2.1 New Zealand Building Code
9-1.5.2.2 Resource Management Act
10-1.6 Referenced documents
13-1.7 Definitions
15-1.8 Abbrevations
16-2 PERFORMANCE REQUIREMENTS AND PERFORMANCE CRITERIA
16-2.1 Scope
16-2.2 General
16-2.3 Performance requirements
16-2.3.1 General
16-2.3.2 Septic tank
17-2.3.3 Holding tanks and pump wells
17-2.3.4 Serviceable life
18-2.4 Performance criteria
18-2.4.1 Capacities
18-2.4.2 Flow path
18-2.4.3 Inlet and outlet fittings
18-2.4.4 Outlet filters
18-2.4.5 Joints
18-2.4.6 Partitions
19-2.4.7 Access and inspection openings and covers
19-2.4.8 Extensions
19-2.4.9 Watertightness
19-2.4.10 Integrity
20-2.4.11 Loading of tanks
20-2.4.11.1 General
20-2.4.11.2 Integrity during handling or installation
20-2.4.11.3 Hydrostatic uplift
20-2.4.11.4 Lateral loads
21-2.4.11.5 Top loads
23-3 GENERAL REQUIRMENTS OF SEPTIC TANKS
23-3.1 Scope
23-3.2 Design
23-3.2.1 Tank
23-3.2.2 Anchorage
25-3.2.3 Vehicular loads
25-3.3 Inlet fittings and outlet fittings
25-3.3.1 Design
25-3.3.2 Size
25-3.3.3 Position of inlet and outlet fittings in tank
25-3.3.3.1 Inlet pipe
26-3.3.3.2 Inlet and outlet fittings
26-3.4 Optional devices
26-3.4.1 Partitions
27-3.4.2 Outlet filters
27-3.4.3 Gas baffle
27-3.5 Vents
28-3.6 Access and inspection openings and covers
28-3.7 Extensions
28-3.8 Holding tanks and pump wells
31-4 MARKING
31-4.1 Minimum information
31-4.2 Other components
31-4.3 Permanence and visibility
32-5 PRECAST CONCRETE STEEL-REINFORCED SEPTIC TANKS ANDPRECAST STEEL-FIBRE REINFORCED SEPTIC TANKS
32-5.1 Scope
32-5.2 Materials
32-5.2.1 Cement
32-5.2.2 Aggregate
32-5.2.3 Admixture
32-5.2.4 Steel reinforcement
32-5.2.4.1 Steel bars, fabric and wire
32-5.2.4.2 Steel fibre
32-5.3 Concrete
32-5.3.1 General
32-5.3.2 Specification
32-5.3.3 Fibre-reinforced concrete
33-5.4 Manufacture
33-5.4.1 General
33-5.4.2 Methods
34-5.4.2.1 Cylindrical walls
34-5.4.2.2 Tank ends
34-5.4.2.3 Steel reinforced tanks
34-5.4.2.3.1 Mixing of steel fibre
34-5.4.2.3.2 Concrete finish
34-5.4.2.3.3 Fibre content
34-5.4.3 Thickness of tank components
34-5.4.4 Reinforcement
34-5.4.4.1 Cover
34-5.4.4.2 Corrosion protection
35-5.4.4.3 Quality of reinforcement
36-5.4.4.4 Lapping of reinforcement
36-5.4.4.5 Tank ends
36-5.4.5 Provision of fittings, partitions, and their assembly
36-5.4.5.1 Inlet and outlet fittings
36-5.4.5.2 Partitions
37-6 CAST-IN-SITU CONCRETE SEPTIC TANKS
37-6.1 Scope
37-6.2 Materials
37-6.3 Construction
37-6.3.1 Floors and walls
37-6.3.2 Roof
37-6.3.3 Cover to reinforcement
38-7 REINFORCEMENT CEMENT MORTAR SEPTIC TANKS
38-7.1 Scope
38-7.2 Materials and manufacture
39-8 GLASS FIBRE-REINFORCED PLASTIC SEPTIC TANKS
39-8.1 Scope
39-8.2 Performance requirements
39-8.2.1 General
39-8.2.2 Other requirements
39-8.3 Design
39-8.3.1 General
40-8.3.2 Design basis
40-8.4 Materials
40-8.4.1 Resin
40-8.4.2 Reinforcement
40-8.4.2.1 Glass-fibre
40-8.4.3 Gelcoats
40-8.4.3.1 Polyester
41-8.4.3.2 Other Gelcoats
41-8.4.4 Fasteners
41-8.5 Manufacture
41-8.5.1 General
41-8.5.2 Laminate and thickness
41-8.5.3 Surface finish
41-8.5.4 Inlet and outlet holes
42-8.5.5 Inlet and outlet fittings
42-8.5.6 Partitions
42-8.6 Testing
42-8.6.1 Type testing
42-8.6.1.1 Flexural strength and modulus of elasticity
42-8.6.1.2 Impact resistance
42-8.6.1.3 Hardness
42-8.6.1.4 Water absorption
42-8.6.1.5 Glass fibre content
42-8.6.1.6 Tensile strength
42-8.6.1.7 Tensile elongation
43-8.6.2 Routine quality control testing
43-8.6.3 Test records
44-9 PLASTIC SEPTIC TANKS
44-9.1 Scope
44-9.2 Performance requirements
44-9.2.1 General
44-9.2.2 Other requirements
44-9.3 Design
44-9.3.1 General
45-9.3.2 Thickness
45-9.4 Materials
45-9.4.1 Polymer
45-9.4.2 Fasteners
45-9.5 Manufacture
45-9.5.1 General
45-9.5.2 Joints
45-9.5.3 Fasteners
45-9.5.4 Inlet and outlet fittings
45-9.5.5 Partitions
45-9.6 Testing
45-9.6.1 Routine quality control testing
45-9.6.1.1 General
46-9.6.1.2 Test specimen
46-9.6.1.3 Tests
46-9.6.1.4 Test reports
47-APPENDIX A - DEMONSTRATING COMPLIANCE WITH THIS STANDARD
47-A1 SCOPE
47-A2 RELAVANCE
47-A3 PRODUCT CERTIFICATION
47-A4 DEFINITIONS
47-A4.1 Batch release test
47-A4.2 Production batch
47-A4.3 Sample
47-A4.4 Sampling plan
47-A4.5 Test batch
47-A4.6 Type testing
48-A5 TESTING
48-A5.1 Type testing
48-A5.2 Batch release testing
48-A5.3 Retesting
52-APPENDIX B - INSTALLATION OF SEPTIC TANKS
52-B1 SCOPE
52-B2 GENERAL
52-B2.1 Siting of tanks
52-B2.2 Soil
52-B2.3 Surface water
52-B2.4 Access
52-B2.5 Drainage
52-B2.6 Desludging
52-B3 INSTALLATION INSTUCTIONS
52-B3.1 General
53-B3.2 Councils
53-B3.3 Manufacturer
53-B3.4 Repairs
54-APPENDIX C - SEPTIC TANK CAPACITIES
54-C1 SCOPE
54-C2 APPLICATION AND USE
54-C2.1 Application
54-C2.1 Use
54-C3 SEPTIC TANKS
55-APPENDIX D - OUTLET FILTERS
55-D1 SCOPE
55-D2 APPLICATION AND USE
55-D1 OUTLET FILTER REQUIRMENTS
55-D3.1 Durability
55-D3.2 Construction and operation details
55-D3.3 Installation
55-D3.3.1 Filters intergral with the tank
55-D3.3.2 Filters external to the tank
56-D3.3.3 Filters retrofitted to an existing septic tank
56-D3.4 Access
56-D4 OPERATION AND MAINTENANCE SERVICING
57-APPENDIX E - TEST OF MANUFACTURERS INSTRUCTIONS FOR THE INSTALLATION OF FITTINGS IN A SOUND AND WATERTIGHT MANNER
57-E1 SCOPE
57-E2 PRINCIPLE
57-E3 TESTING
57-E3.1 Procedure
57-E3.2 Test criteria
57-E4 TEST RECORDS
58-APPENDIX F - DETERMINATION OF THE RESISTANCE OF A PARTITION TO A HYDROSTATIC HEAD (PUMPOUT TEST)
58-F1 SCOPE
58-F2 PRINCIPLES
58-F3 TESTING
58-F4 TEST RECORDS
59-APPENDIX G - DETERMINATION OF WATERTIGHTNESS
59-G1 SCOPE
59-G2 PRINCIPLES
59-G3 TESTING OF TANKS CAST-IN-SITU
59-G3.1 Testing procedure
59-G3.2 Test criteria
59-G4 TESTING OF FACTORY-BUILT TANKS
59-G4.1 Set-up and test procedure
60-G4.2 Test criteria
60-G5 REPAIR
60-G6 TEST RECORDS
62-APPENDIX H - DETERMINATION OF RESISTANCE TO LATERAL LOAD-HYDRAULIC TEST METHOD
62-H1 SCOPE
62-H2 PRINCIPLE
62-H3 APPARATUS
62-H4 TEST PROCEDURE
63-H5 ASSESSMENT
63-H6 TEST RECORDS
64-APPENDIX J - DETERMINATION OF RESISTANCE TO LATERAL LOAD-POINT LOAD TEST METHOD
64-J1 SCOPE
64-J2 PRINCIPLE
64-J3 APPARATUS
65-J4 TEST PROCEDURE
65-J4.1 Establish test loads
65-J4.2 Testing of empty septic tank
66-J4.3 Testing of tank filled with water
66-J5 ASSESSMENT
66-J6 TEST RECORDS
67-APPENDIX K - DETERMINATION OF RESISTANCE TO TOP LOADING
67-K1 SCOPE
67-K2 PRINCIPLE
67-K3 APPARATUS
67-K4 TEST PROCEDURE
67-K4.1 General
67-K4.2 Load application
68-K5 ASSESSMENT
68-K6 TEST RECORDS
70-APPENDIX L - DETERMINATION OF THE HARDNESS OF GLASS FIBRE-REINFORCED PLASTIC COMPOSITES
70-L1 GENERAL
70-L2 PRINCIPLE
70-L3 APPARATUS
70-L4 TEST SPECIMENS
70-L5 TEST PROCEDURE
70-L6 TEST RECORDS
71-APPENDIX M - DETERMINATION OF THE IMPACT RESISTANCE OF INJECTION MOULDED SEPTIC TANKS
71-M1 SCOPE
71-M2 PRINCIPLE
71-M3 APPARATUS
71-M4 TEST PROCEDURE
71-M5 TEST CRITERIA
72-M6 TEST RECORDS
73-APPENDIX N - LOW TEMPERATURE IMPACT TEST FOR ROTATIONALLY MOULDED SEPTIC TANKS
73-N1 SCOPE
73-N2 PRINCIPLE
73-N3 RELEVANCE
73-N4 DEFINITIONS
73-N4.1 Brittle failure
73-N4.2 Ductile failure
73-N4.3 Drop height
73-N5 CONDITIONING
73-N6 TEST PROCEDURE
73-N6.1 Test specimen
74-N6.2 Test procedure
74-N7 REPORT