Cross References:
BS 84
BS 93
BS 228
BS S 1
BS S 94
BS S 95
BS S 96
BS S 114
BS S 117
BS SP 101-104
BS T 35
BS T 45
DTD 121
DTD 904
Incorporates the following:
AMD 2753 published 30 November 1978
PD 2399 published 15 February 1956
PD 4086 published 15 February 1961
Amendment, August 2012. Amends and replaces BS SP 33 39:1951. Amendment, October 2015. Amends and replaces BS SP 33-39:1951+A4:2012