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AS 1281-2001


Cement mortar lining of steel pipes and fittings

Provides manufacturers, designers and purchasers of cement-mortar-lined steel pipes and fittings with a specification for their design and manufacture. This Standard applies to pipes of diameter 100 mm or larger, for the conveyance of water intended for human consumption or for the conveyance of wastewater or process water. Guidelines on information to be supplied by the purchaser to the manufacturer and variations that should be agreed upon at the time of inquiry or order are provided. Methods for demonstrating compliance with this Standard are also provided.
Published: 21/03/2001
Pages: 15
Table of contents
Cited references
Content history
Table of contents
About this publication
1 Scope
2 Referenced documents
3 Definitions
4 Materials
4.1 Aggregates
4.2 Cement
4.3 Water
4.4 Admixtures
4.5 Cement mortar
5 Proportioning of materials
5.1 Measurement and mixing of materials
5.2 Aggregate:cement ratio
5.3 Water:cement ratio
6 Preparation of steel surface
7 Application of mortar
7.1 Method of application
7.2 Centrifugal application
7.3 Spray application
7.4 Hand application
7.4.1 General
7.4.2 Adhesion to steel and cured mortar
7.4.3 Water:cement ratio
7.5 Reinforcement
8 Thickness of lining
9 Surface quality/workmanship
9.1 General
9.2 Defects
9.3 Repairs
10 Cement mortar ends
11 Curing of lining
11.1 Methods of curing
11.2 Water curing
11.3 Steam curing
12 Application of curing compounds and seal coats
13 Effect of cement mortar lining on water quality
14 Handling and storing of pipes
14.1 Lifting and handling
14.2 Storing and transporting
Appendix A
A1 General
A2 Information to be supplied by the purchaser
A3 Matters to be decided by agreement
A4 Information to be supplied by the manufacturer
Appendix B
B1 Scope
B2 Relevance
B3 Definitions
B4 Product certification
B5 Minimum sampling and testing frequency plan
B5.1 General
B5.2 Retesting
B5.3 Rejection after retest
Appendix C
Cited references in this standard
APHA 4500
pH value
APHA 2540
Total solids
APHA 3111
Metals by flame atomic absorption spectrometry
APHA 5520
Oil and grease
Suitability of plumbing and water distribution systems products for contact with potable water
Content history
AS 1281-2001 REC:2018
DR 99526
Inclusive of GST
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