AS/NZS 2033:2024 Design and installation of polyolefin pipe systems
Preface
Section 1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.4 Abbreviations
Section 2 Products and materials
2.1 Scope of section
2.2 Pipe and fittings
2.2.1 Chemical resistance
2.2.2 Permeation
2.2.3 Elastomeric seals
2.2.4 Lubricants for elastomeric seals and expansion joints
2.2.5 UV resistance
2.3 Hangers and clips
2.4 Pipe embedment and trench-fill materials
2.5 Tools and equipment
Section 3 Design
3.1 Scope of section
3.2 Calculation of maximum allowable operating pressures
3.3 Design factors
3.4 Material temperature ratings for pressure pipes
3.5 Surge and fatigue pressure ratings
3.5.1 Operating pressure
3.5.2 Design
3.6 Disinfection effects of polyolefin pipe system materials
3.6.1 General
3.6.2 Polyethylene drinking water pipe systems
3.6.3 Materials used in hot and cold water systems
3.6.4 Polypropylene hot and cold water systems
3.6.5 Secondary disinfection degradation effects
3.7 Seismic risk area design
3.8 External load design
3.9 Effects of sunlight and fire
3.9.1 Effect of sunlight
3.9.2 Effect of fire
Section 4 General requirements
4.1 Scope of section
4.2 Transport, handling and storage
4.2.1 Transport and handling
4.2.2 Storage
4.3 Pre-installation inspection
4.3.1 Correct supply
4.3.2 Cleanliness
4.3.3 Fitness for use
4.4 Protection against damage
4.4.1 General
4.4.2 Protection from heat
4.5 Replacement of metallic water supply pipe systems
4.6 Static electricity
4.7 Temperature considerations
4.7.1 Pressure re-rating due to thermal effects
4.7.2 Provision for expansion and contraction
4.8 Effect of water hammer or pressure surges
4.9 Buckling under external load and vacuum
Section 5 Jointing methods
5.1 Scope of section
5.2 Fusion joints
5.2.1 General
5.2.2 Electrofusion
5.2.3 Butt welding
5.2.4 Socket fusion
5.2.5 Extrusion welding
5.3 Mechanical fittings
5.3.1 General
5.3.2 Radial and axial press fittings
5.4 Elastomeric seal joints
5.4.1 Application
5.4.2 Procedures
5.5 Flanged joints
5.5.1 Application
5.5.2 Requirements
5.5.3 Procedure
5.6 Threaded joints
5.6.1 Application
5.6.2 Procedure
5.7 Repair fittings
5.8 Mechanical and flexible couplings
5.9 Service connections
Section 6 Installation of buried pipes and fittings
6.1 Scope of section
6.2 Structural design of buried pipes and fittings
6.2.1 General
6.2.2 Graphical design method
6.2.3 Engineered structural design method
6.3 Identification of buried pipes
6.4 Installation of buried pipes using trenchless technology
6.5 Pipe installation in a trench
6.5.1 Provision of a trench
6.5.2 Excavation across improved surfaces
6.5.3 Minimum cover
6.5.4 Anchorage
6.5.5 Encasement in concrete
6.5.6 Foundations and foundation stabilization
6.5.7 Prevention of flotation
6.5.8 Trench floor preparation
6.5.9 Placement of bedding
6.5.10 Pipe laying and jointing
6.5.11 Bending of pipes
6.5.12 Pipe embedment
6.5.13 Trench fill
6.5.14 Removal of trench supports, pegs and packing
6.5.15 Marking tape
6.6 Pipe installation in an embankment
Section 7 Installation of pipes above ground
7.1 Scope of section
7.2 Installation requirements
7.2.1 Grade and alignment
7.2.2 Pipe bending
7.2.3 Setting of pipes in concrete
7.2.4 Pipes passing through floors and walls
7.2.5 Pipe installation in a sleeve or duct
7.2.6 Penetration of fire-resistant structures
7.3 Support of pipe systems
7.3.1 Supports
7.3.2 Spacing of supports
7.4 Provision for expansion
7.4.1 General
7.4.2 Maximum spacing of expansion joints
7.4.3 Alternative provision for expansion
7.4.4 Installation of expansion joints
7.4.5 Pipes laid on ground
Section 8 Hydrostatic pressure acceptance testing of PO pipe systems
8.1 Test methods
8.1.1 General
8.1.2 Measuring devices
8.2 System test pressure
8.3 Effects of elevation change along the pipe system
8.3.1 Effect of elevation difference on the allowable water loss
8.3.2 Test effectiveness for pipe systems with significant elevation difference
8.4 Testing PE pipes at elevated temperatures
8.5 Pipe system test length
8.6 Rate of filling the pipe system
8.7 Pressure testing personnel and equipment
8.7.1 General requirements
8.7.2 Blank ends
8.7.3 Recording time
8.7.4 Pressure pump
8.7.5 Pressure measurement equipment
8.7.6 Water volume measurement equipment
8.8 Pre-test requirements
8.9 Reporting
8.10 Pressure acceptance test methods
8.10.1 Constant pressure test
8.10.2 Pressure rebound test
8.10.3 Visual test
8.11 Testing of non-pressure pipelines
8.11.1 General
8.11.2 Method 1 — Hydrostatic test
8.11.3 Method 2 — Low pressure air test
8.11.4 Method 3 — Vacuum testing
8.12 Deflection testing
8.13 Closed-circuit television inspection
Section 9 Commissioning
Section 10 Compressed gases
10.1 General
10.2 Contents identification
10.3 Pressure rating and temperature re-rating
10.4 Joint types
10.5 Chemical resistance
10.6 Precautions
Section 11 Gaseous fluids
11.1 Fuel gas distribution
11.2 Fuel gas gathering
Appendix A (informative) Commissioning guide
Appendix B (informative) Guidelines for PE pipe installation in earthquake zones
Bibliography
