Standard
UPDATE AVAILABLE
AS/NZS 2033:2008
[Superseded]Installation of polyethylene pipe systems
Specifies methods for handling, storage, installation, testing and commissioning of polyethylene (PE) pipelines, above or below ground, for pressure and non-pressure applications conveying liquids.
Published: 19/05/2008
Pages: 36
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope, definitions and material requirements
1.1 Scope
1.2 Normative references
1.3 Definitions
2 Products and materials
2.1 Scope of Section
2.2 Pipe and fittings
2.2.1 PE pipes and fittings
2.2.2 Chemical resistance
2.2.3 Permeation
2.2.4 Elastomeric seals
2.2.5 Lubricants for elastomeric seals and expansion joints
2.3 Hangers and clips
2.4 Pipe embedment and trench-fill materials
2.5 Tools and equipment
3 General requirements
3.1 Scope of Section
3.2 Transport, handling and storage
3.2.1 General
3.2.2 Transportation
3.2.3 Storage
3.3 Pre-installation inspection
3.3.1 Correct supply
3.3.2 Cleanliness
3.3.3 Fitness for use
3.4 Protection against damage
3.4.1 General
3.4.2 Protection from heat
3.5 Replacement of metallic water supply pipelines
3.6 Static electricity
3.7 Temperature considerations
3.7.1 Pressure re-rating due to thermal effects
3.7.1.1 Temperature of pipe wall
3.7.1.2 Predictable temperature variations
3.7.2 Provision for expansion and contraction
3.8 Effect of water hammer or pressure surges
4 Jointing methods
4.1 Scope of Section
4.2 Fusion joints
4.3 Mechanical compression fittings
4.4 Elastomeric seal joints
4.4.1 Application
4.4.2 Procedure
4.5 Flanged joints
4.5.1 Application
4.5.2 Requirements
4.5.3 Procedure
4.6 Threaded joints
4.6.1 Application
4.6.2 Procedure
4.7 Repair fittings
4.8 Connection of PE pipes and fittings to pipes and fittings of other materials—Other than threads and flanges
4.9 Service connections
5 Installation of buried pipes and fittings
5.1 Scope of Section
5.2 Pipeline installation using trenchless technology
5.3 Pipe installation in a trench
5.3.1 Provision of a trench
5.3.2 Excavation across improved surfaces
5.3.3 Minimum cover
5.3.4 Buckling under external load and vacuum
5.3.5 Anchorage
5.3.6 Encasement in concrete
5.3.7 Foundations and foundation stabilization
5.3.8 Prevention of flotation
5.3.9 Trench floor preparation
5.3.10 Placement of bedding
5.3.11 Pipe laying and jointing
5.3.12 Bending of pipes
5.3.13 Pipe embedment
5.3.14 Trench fill
5.3.15 Removal of trench supports, pegs and packing
5.3.16 Marking tape
5.4 Pipe installation in an embankment
6 Installation of pipes above ground
6.1 Scope of Section
6.2 Installation requirements
6.2.1 Grade and alignment
6.2.2 Pipe bending
6.2.3 Setting of pipes in concrete
6.2.4 Pipes passing through floors and walls
6.2.5 Pipe installation in a sleeve or duct
6.2.6 Penetration of fire-resistant structures
6.3 Support of pipelines
6.3.1 Supports
6.3.1.1 General
6.3.1.2 Sliding supports
6.3.1.3 Fixed supports
6.3.2 Spacing of supports
6.3.2.1 Pressure pipes
6.3.2.2 Non-pressure pipes
6.4 Provision for expansion
6.4.1 General
6.4.2 Maximum spacing of expansion joints
6.4.2.1 General
6.4.2.2 Cold and hot pipelines
6.4.2.3 Stacks and vertical pipes
6.4.2.4 Graded pipelines
6.4.3 Alternative provision for expansion
6.4.4 Installation of expansion joints
7 Testing of pipe system
7.1 Scope of Section
7.2 Testing of pressure pipe systems
7.2.1 Pre-test precautions
7.2.2 General requirements
7.2.3 Basic pressure test (Visual)
7.2.4 General pressure test (Technical)
7.2.4.1 General
7.2.4.2 Test procedure
7.2.5 Joints between test sections
7.3 Testing of non-pressure pipelines
7.3.1 General
7.3.2 Method 1—Hydrostatic test
7.3.3 Method 2—Low pressure air test
7.3.4 Method 3—Vacuum testing
7.4 Deflection testing
7.5 Closed circuit television (CCTV) inspection
8 Commissioning
9 Compressed gases
9.1 Scope
9.2 Contents identification
9.3 Pressure rating (PN, SDR) and temperature rerating
9.4 Joint types
9.5 Chemical resistance
9.6 UV resistance
9.7 Precautions
Appendix A
Appendix B
B1 General
B2 Removal of particulate materials
B3 Water quality
B3.1 Disinfection
B3.2 Materials extracted from the pipe or fittings during service
B4 Commissioning procedure and acceptance criteria
B5 Procedure for drinking water supply pipelines
Amendment control sheet
Cited references in this standard
Content history
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