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Certification of the manufacturing process of structural steel in accordance with EN 1090 during the execution of the CPR certification

EN 1090 : Execution of steel structures and aluminium structures
EN 1090-1: Requirements for conformity assessment for structural components
EN 1090-2: Technical requirements for the execution of steel structures
EN 1090-3: Technical requirements for the execution of aluminium structures
EN 1090-1: Determination and declaration of the characteristics of a structure
EN 1090-2&3 : Verification of manufacturing processes for structural steel manufacturer

EN 1090-2 regulates to select (declare) an execution class of a product and comply with the relevant requirements

※ EXC: Determined according to Risk Assessment (COF) and Complexity (by Owner or designer)

Execution Classes are determined considering the consequence class and category as below

EXC1	Supporting structures with steel up to strength class S275 Buildings with up to 2 floors (4 floors if detached) Bending beams up to 5m, projection beams up to 2m Stairs & railings in residential buildings Agricultural buildings, e.g. barns
EXC2	Supporting structures with steel up to strength class S700 Buildings with 2-15 floors
EXC3	Supporting structures with steel up to strength class S700 Assemblies/stadiums with large surface roof structures Buildings with more than 15 floors edestrian, bicycle, road and railway bridges Crane track
EXC4	Bridges (road & rail) over densely populated areas or industrial plants with high hazard potential Safety tanks in nuclear power plants.

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