(1) The scope of Eurocode 8 is defined in EN 1998-1: 2004, 1.1.1 and the scope of thisStandard is defined in this clause. Additional parts of Eurocode 8 are indicated in EN 1998-1:2004, 1.1.3.(2) This standard specifies principles and application rules for the seismic design of thestructural aspects of facilities composed of above-ground and buried pipeline systems and ofstorage tanks of different types and uses, as well as for independent items, such as forexample single water towers serving a specific purpose or groups of silos enclosing granularmaterials, etc.(3) This standard includes the additional criteria and rules required for the seismic designof t