1.范围1。1本标准规定了以下方面的最低设计和施工要求:（a）高度不超过12米的砖石或混凝土烟囱，用于壁炉，或用于组合额定热输出不超过120千瓦的电器；（b） 住宅用砖石或混凝土壁炉。附录中包括检查、维护、维修和改装指南。注:除第1.1条所述烟囱和壁炉外，其他烟囱和壁炉应按照加拿大国家建筑规范第6部分“通风和空调”建造。

1. Scope1.1 This Standard sets forth the minimum design and construction requirements for: (a) chimneys of masonry or concrete not exceeding 12 m in height that serve fireplaces, or that serve appliances with a combined rated heat output not exceeding 120 kW; (b) residential fireplaces of masonry or concrete.Guidelines for inspection, maintenance, repair, and retrofit are included in the Appendices.Note: Chimneys and fireplaces other than those described in Clause 1.1 shall be constructed in accordance with Part 6, Ventilating and Air-Conditioning, of the National Building Code of Canada.