First published in Australia as AS CA57.1—1972.Revised and redesignated AS 1905.1—1976.Fourth edition 1990.First published in New Zealand as part of NZS 1188:1954.Revised and redesignated in part as NZS 4232.1:1988.AS 1905.1—1990 and NZS 4232.1:1988, jointly revised, amalgamated and designated AS/NZS 1905.1:1997.AS/NZS 1905.1:1997 revised and redesignated as AS 1905.1—2005.Second edition 2015. First published in Australia as AS CA57.1-1972. Revised and redesignated AS 1905.1-1976. Fourth edition 1990. First published in New Zealand as part of NZS 1188:1954. Revised and redesignated in part as NZS 4232.1:1988. AS 1905.1-1990 and NZS 4232.1:1988, jointly revised, amalgamated and designated AS/NZS 1905.1:1997. AS/NZS 1905.1:1997 revised and redesignated as AS 1905.1-2005. Second edition 2015. Reissued incorporating Amendment No. 1 (July 2016).