This European Standard specifies particular requirements and performance criteria for the design and construction of cast-in-situ concrete chimneys as well as prefabricated concrete chimneys. It identifies requirements to ensure the mechanical resistance and stability of concrete chimneys in accordance with the general requirements given in EN 13084-1. As for chimneys attached to buildings the criteria given in Clause 1 of EN 13084-1:2000 apply. Unless otherwise stated in the following clauses the basic standard for the design of concrete structures, EN 1992-1-1, applies.