Code of practice for domestic butane- and propane-gas-burning installations, Installations at permanent dwellings, residential park homes and commercial premises, with installation pipework sizes not exceeding DN 25 for steel and DN 28 for corrugated stainless steel or copper— 54 стр.
Flueing and ventilation for gas appliances of rated input not exceeding 70 kW net (1st, 2nd and 3rd family gases), Specification for the installation and maintenance of ventilation provision for gas appliances— 36 стр.
Flueing and ventilation for gas appliances of rated input not exceeding 70 kW net (1st, 2nd and 3rd family gases), Specification for installation of gas appliances to chimneys and for maintenance of chimneys— 122 стр.