AS1056.1 first published as part of ASC316-1957.ASC316-1970 revised and redesignated AS1056-1972.AS1056-1977 revised and redesignated as AS1056.1-1985.Second edition 1991.AS1056.2 first published 1985.AS1056.3 first published as part of ASC316-1970.ASC316-1970 revised and redesignated AS1056-1972.AS1056-1977 revised and redesignated in part as AS1056.3-1985.Third edition 2001.AS1056.1-1991, AS1056.2-1985 and AS1056.3-2001, revised, amalgamated and redesignated AS/NZS4692.1:2005.Reconfirmed 2016. AS 1056.1 first published as part of AS C316-1957. AS C316-1970 revised and redesignated AS 1056-1972. AS 1056-1977 revised and redesignated as AS 1056.1-1985. Second edition 1991. AS 1056.2 first published 1985. AS 1056.3 first published as part of AS C316-1970. AS C316-1970 revised and redesignated AS 1056-1972. AS 1056-1977 revised and redesignated in part as AS 1056.3-1985. Third edition 2001. AS 1056.1-1991, AS 1056.2-1985 and AS 1056.3-2001, revised, amalgamated and redesignated AS/NZS 4692.1:2005. Reissued incorporating Amendment No. 1 (April 2011). Reissued incorporating Amendment No. 2 (October 2015). Reissued incorporating Amendment No. 3 (January 2020).