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 MANUFACTURER'S 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