AS/NZS 2566.1 Supp 1:1998

Gives helpful background information to AS/NZS 2566.1 and emphasizes the need for field compaction of the embedment material to be consistent with assumptions on which the equations are based. Appendix B gives worked examples which illustrate the application of AS/NZS 2566.1 for the selection of an appropriate pipe material and class of pipe.