Cross References:BS 146:2002BS 915-2BS 1370BS 3892-1BS 4027BS 4483:1998BS 6100-1BS 6100-6BS 6699BS 7976-2BS 7979BS 8102BS 8110-1:1997BS 8500-1BS 8500-2BS EN 197-1:2000BS EN 206-1BS EN 934-2BS EN 1008BS EN 12620BS EN 12878BS EN 13318 BS EN 13139BS EN 13892-4PD 6682-1PD 6682-3BS 12:1989BS 410-1BS 410-2BS 5395-1:2000BS 8201BS 8203BS 8204BS EN 1367-4BS EN 13055-1BS EN 13813CP 102:1973Building Regulations (England and Wales) Approved Document C4Building Standards (Scotland) Regulations Part G2. 1990Building Regulations (Northern Ireland)Building Regulations (Northern Ireland) Technical Booklet C. 1994