Deals with design, construction and testing. Maximum heat output 45 kW. Appendices cover remedial action for defective chimneys, and cleaning and maintenance.Cross References:BS 12BS 41BS 65BS 146BS 187BS 476:Part 3BS 715BS 835BS 890 BS 915BS 1014BS 1181BS 1198BS 1199 and 1200BS 1251BS 1344:Part 1BS 1344:Part 3BS 1344:Part 7BS 1449:Part 2BS 3892:Part 1BS 3921BS 4027BS 4543BS 4627BS 4729BS 5224BS 5534:Part 1BS 5628BS 6073:Part 1BS 6461:Part 2CP 3:Chapter V:Part 2CP 110CP 111CP 114CP 115CP 116CP 121CP 143CP 144 CP 403London Building (Constructional) By-laws 1972-1979Building Regulations 1976Building Regulations (Northern Ireland) 1977Building Standards (Scotland) Regulations 1981Building Standards (Scotland) Regulations 1982