Cross References:BS 812:Part 2BS 891:Part 1BS 1610:Part 1 BS 1881:Part 108BS 1881:Part 115BS 1881:Part 116BS 4550:Part 0BS 4550:Part 3:Section 3.1BS 4550:Part 4BS 4550:Part 5BS 4550:Part 6Replaces BS 12:Part 2:1971, BS 146:Part 2:1973, BS 1370:Part 2:1974, BS 4027:Part 2:1972, BS 4246:Part 2:1974 and partially replaces BS 915:Part 2:1972, BS 4248:1974 and BS 5224:1976.Replaced by BS EN 196-1:1995 but remains current as it is quoted in other standards. Partially replaced by BS 1881-131:1998.Incorporates the following:AMD 4247 published 31 May 1983AMD 4498 published 30 March 1984AMD 5704 published 29 July 1988